Common use of Other Defined Terms Clause in Contracts

Other Defined Terms. For the purpose of this Agreement, the following terms shall have the meanings given in the indicated Sections of this Agreement: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a) Aggregate ONEOK Damages 9.3(a) Agreement Preamble Audits 2.6(e) Balance Sheet 2.5(a) Balance Sheet Date 2.5(a) Books and Records 5.2(b)(i) Business Recitals Claim 9.7(a) Closing 1.3(a) Closing Date 1.3(a) Closing Working Capital 1.4(a) Closing Working Capital Statement 1.4(a) Common Units 3.1(e)(v) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(h) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c) Financial Statements 2.5(a) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m)

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given defined for such terms in the indicated Sections of this Agreementset forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aAcquisition Agreements 3.18(a)(ix) Affiliate Letter 2.4 Agent Expenses 7.3(f) Aggregate ONEOK Damages 9.3(aConsideration 2.1(e) Agreement Preamble Audits 2.6(eAppraisal Provisions 2.2(e) Appraisal Shares 2.2(e) By-Laws 1.5(b) Certificate of Incorporation 1.5(a) Certificate of Merger 1.3 Certificate 2.2(a) Closing 1.2 Closing Date 1.2 Closing Price 2.1(a) Closing Stockholder and Expense Schedule 2.1(g) Code Preamble Common Cash Amount 2.1(d) Common Exchange Ratio 2.1(d) Common Merger Consideration 2.1(d) Common Proceeds per Share 2.1(d) Common Stock 2.1(d) Company Preamble Company 401(k) Plan 5.8(b) Company Balance Sheet 2.5(a3.8 Company Board 3.3(c) Balance Sheet Date 2.5(aCompany Closing Certificate 2.1(g) Books and Records 5.2(b)(i) Business Recitals Claim 9.7(a) Closing 1.3(a) Closing Date 1.3(a) Closing Working Capital 1.4(a) Closing Working Capital Statement 1.4(a) Common Units 3.1(e)(v) Companies Recitals Company Recitals Disclosure Schedule Article III Company Subsidiary 2.2 Contribution Agreement 7.1(h) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c) Financial Statements 2.5(a3.7 Company Permits 3.12 Company Plans 3.13(a) FMV Schedules 10.10(aCompany Stamp Tax Amount 5.12(a) Company Stock 3.3(a) Confidentiality Agreement 5.4 DGCL 1.1 Diluted Common Stock Number 2.1(g) Effective Time 1.3 Employee Incentive Pool 5.13 Equity Right 3.3(b) ERISA 3.13(a) ERISA Affiliate 3.13(a) Escrow Agent 2.3(a) Escrow Agreement 2.3(a) Escrow Amount 2.1(e) Escrow Cash Amount 2.1(e) Escrow Period 2.3(a) Escrow Stock Amount 2.1(e) Exchange Act 4.5(a) Exon Xxxxxx 3.6(b) Fairness Approval 5.5 First Step Merger Preamble Governmental Approvals 6.3(aEntity 3.6 (b) GP Purchase Agreement 7.1(hIndemnified Parties 7.2 (a) Indemnitee 9.7(aIn-the-Money Option 2.1 (g) 55 Indemnitor 9.7(aKnowledge of the Company 3.10 Knowledge of Parent 4.5 (e) Indemnity Threshold 9.3(aLaws 3.6 (a) Interim Financial Statements 6.12 KCC Consent 7.1(gLiabilities 3.8 Liens 3.2 Losses 7.2 (a) License Period 6.9 Material Contracts 2.10(a3.18 (a) Minimum Maximum Number 2.1 (f) Merger Preamble Merger Consideration 2.2 (a) Merger Sub Preamble Option Pool Number 2.1 (g) Ordinary Shares 2.1 (a) Outside Date 8.1 (c) Ownership Percentage Interest 2.1 (e) Parent Preamble Parent Board 4.5 (e) Parent Disclosure Schedule Article IV Parent Plans 5.8 (c) Parent Stamp Tax Amount 5.12 (a) Parent SEC Documents 4.5 (a) Parent Subsidiaries 4.1 Post Closing 30-Day Period 2.3 (h)(ii) Preferred Stock 2.1 (c) Proceedings 3.10 Purchaser Representative 5.10 Record Date 6.2 (k) Retention Stock 5.13 SEC 4.5 (a) Second Step Merger 1.7 Section 262 2.2 (e) Securities Act 2.3 (h)(i) Securityholder Agent 7.3 (a) Series A Cash Amount 2.1 (a) Series A Exchange Ratio 2.1 (a) Series A Merger Consideration 2.1 (a) Series A Preferred Stock 2.1 (a) Series B Cash Amount 2.1 (b) Series B Exchange Ratio 2.1 (b) Series B Merger Consideration 2.1 (b) Series B Preferred Stock 2.1 (b) Series C Cash Amount 2.1 (c) Series C Exchange Ratio 2.1 (c) Series C Merger Consideration 2.1 (c) Series C Preferred Stock 2.1 (c) Series C Proceeds per Share 2.1 (c) Stockholder 2.1 (g) Stockholder Approval 3.4 Support Agreements Preamble Surviving Company 1.1 Tax Opinions 5.15 Termination Fee 8.2 (c) Third-Party Claim Amount 9.3(a7.2 (b) Net Working Capital Adjustment 1.4(d)(iiTransaction Proposals 5.3 Transferred Employee 5.8 (c) Neutral Auditors 1.4(cTransfer Taxes 5.12 (a) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(mWarrant 2.1 (g)

Other Defined Terms. For the purpose of this AgreementIn addition, the following terms shall have the meanings given ascribed to them in the indicated Sections section of this Agreement: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aAcquired Companies Recitals Acquired Company Assets 2.4(a) Aggregate ONEOK Damages 9.3(aAcquisition Transaction 5.14(a)(i) Agreement Preamble Audits 2.6(eAllocation 2.8 Allocation Schedule 2.8 Antitrust Approval 9.1 Approvals 2.9 Assigned Contracts 2.4(a)(ii) Balance Sheet 2.5(aAsturiano Recitals Base Purchase Price 2.2 Closing 2.3 Closing Date 2.3 CNDC 9.1 Closing Statement 2.7(b) Balance Sheet Competing Activity 5.13(b) Confidentiality Agreement 5.3 Convey 2.4(a) Dispute Notice 2.7(c) Dispute Resolution Period 2.7(c) Effective Date 2.5(aPreamble Excluded Assets 2.5 General Assignment and Bxxx of Sale 2.6(a)(iv) Books and Records 5.2(b)(iIndependent Accounting Firm 2.7(c) Inventory 2.4(a)(vi) Lender Mortgage 5.15 Lenders 5.15 Loan Obligations 5.15 Mondalva Recitals Names 5.8(a) Naviera Recitals Naviera Interests Recitals Ocean Business Recitals Claim 9.7(aOcean Business Guarantees 5.7 Ocean Business Intellectual Property 2.4(a)(iii) Closing 1.3(a) Closing Date 1.3(a) Closing Working Capital 1.4(a) Closing Working Capital Statement 1.4(a) Common Units 3.1(e)(v) Ocean Business Permits 3.5 Palmdeal Preamble Panama Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(h) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c) Financial Statements 2.5(a) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(iWC Claims 5.9(b) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b2.2 Purchased Interests Recitals Purchaser Preamble Purchaser Material Adverse Effect 4.1 Purchaser's Allocation 2.8 Release Confirmation 5.15 Required Charters 5.11 Restricted Entities 5.13(a) Sample Closing Statement 2.7(a) Scheduled Closing Date 2.3 Seller Preamble Seller's Allocation Notice 2.8 Transaction Recitals Transaction Accounting Principles 2.7(b) Transfer Taxes 6.2 Transferred Ocean Business Employees 5.6(a) Transition Services Agreement 1.3(b)(ii2.6(a)(iii) Shares UABL Preamble UP Argentina Preamble Vessels Recitals Straddle Periods 10.4(bWC Insurer 5.9(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(mWorkers Compensation Policies 5.9(b)

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given are defined in the indicated Sections of this Agreement: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(asections indicated. Agreement preamble Arizona Transaction Approval 7.2(f) Aggregate ONEOK Damages 9.3(aAssessments 3.16(c) Asset Purchase Price Allocation 6.3(f) Basket Amount 6.2(b) Business Relation 6.7(a)(ii) Buyer preamble Buyer Prepared Returns 6.3(a)(iii) Cannabist preamble Cap 6.2(b) CC VA preamble Claim Notice 6.4(d) Closing 2.5(a) Closing Date 2.5(a) Closing Item 2.4(a) Closing Statement 2.4(a) COBRA 3.14(b) Collateral 5.7(a)(ii) Company Recitals Company Collateral 5.7(a)(i) Company Employee Benefit Plan 3.14(a) Company Governing Documents 2.5(b)(iv) Confidential Information 5.8(a)(ii) CSA 9.13 Deposit 2.5(c)(i)(a) Employment and Services Agreement Preamble Audits 2.6(e3.14(f) Environmental Claims 3.17(b) Equity Recitals Estimated Cash 2.3 11 FH12251261.5 Estimated Closing Statement 2.3 Estimated Indebtedness 2.3 Estimated Transaction Expenses 2.3 Estimated Transaction Payments 2.3 Estimated Working Capital 2.3 Excess Amount 2.4(c) Excluded Federal Claims 9.13 Final Cash 2.4(a) Final Indebtedness 2.4(a) Final Transaction Expenses 2.4(a) Final Transaction Payments 2.4(a) Final Working Capital 2.4(a) Financial Statements 3.4(a) Funds Flow 2.5 IRS 3.14(a) Latest Balance Sheet 2.5(a3.4(a) Latest Balance Sheet Date 2.5(a3.4(a) Books and Records 5.2(b)(iLien Releases 2.5(b)(iii) Business Recitals Claim 9.7(aMarijuana Permits 3.16(b) Closing 1.3(aMaterial Contract 3.9(b) Closing Date 1.3(aMember Prepared Returns 6.3(a)(ii) Closing Working Capital 1.4(aMember preamble Notes 2.5(b)(ii) Closing Working Capital Statement 1.4(aObjection Notice 6.2(d) Common Units 3.1(e)(v) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(h) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c) Financial Statements 2.5(a) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(ipreamble Pledged Collateral 5.7(a)(ii) Purchase Price 1.2 Related 2.2 Restricted Period 6.7(b) Schedules 9.11 Service Contracts 3.6(j) Shortfall Amount 2.4(d) Survival Period 6.1 SWC Arizona Purchase Agreement preamble Tax Contest 6.3(d) Third Party 2.14 Resolution Period 1.4(bClaim 6.4(a) Services Transfer Taxes 6.3(f) UCC 5.7(a)(iii) Utility Systems 3.6(h) Valuation Firm 2.4(b) Virginia Purchase Agreement 1.3(b)(iipreamble WARN Act 3.13(e) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m)12 FH12251261.5

Other Defined Terms. For In addition to the purpose defined terms set forth in Section 1.01 of this AgreementExhibit A, each of the following capitalized terms shall have has the meanings given respective meaning specified in the indicated Sections of this AgreementSection set forth opposite such term below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a) Aggregate ONEOK Damages 9.3(a) Agreement Preamble Audits 2.6(eArticles of Merger 1.02 Bankruptcy and Equity Exceptions 3.04 Book-Entry Shares 2.03(b)(i) Balance Sheet 2.5(aCapitalization Reference Date 3.03(a) Balance Sheet Date 2.5(a) Books and Records 5.2(b)(i) Business Recitals Claim 9.7(aCertificate 2.03(b)(i) Closing 1.3(a) 1.03 Closing Date 1.3(a1.03 Commitment Letter 4.08 Company Preamble Company Acquisition Agreement 5.03(b) Closing Working Capital 1.4(aCompany Adverse Recommendation Change 5.03(b) Closing Working Capital Statement 1.4(a) Common Units 3.1(e)(v) Companies Company Articles 3.01 Company Board Recitals Company Recitals Board Recommendation 3.04 Company Subsidiary 2.2 Contribution Agreement 7.1(hBylaws 3.01 Company Common Stock 2.01(a) Controlling Party 10.7(cCompany Contract 3.15(a) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(cCompany Disclosure Letter Article III Company DRIP 3.03(c) Company Employee 6.10(a) Company Financial Statements 2.5(a3.06(a) FMV Schedules 10.10(aCompany Indemnified Parties 6.09(a) Governmental Company Intervening Event 5.03(f)(iii) Company Projections 3.22 Company Recommendation Change Notice 5.03(c) Company Reports 3.06(a) Company Required Consents 3.05(a) Company Required Statutory Approvals 6.3(a3.05(b)(iv) GP Purchase Company Risk Management Guidelines 5.01(a)(xix) Company Shareholder Approval 3.04 Company Shareholders Meeting 3.04 Company Subsidiaries 3.01 Company Takeover Proposal 5.03(f)(i) Company Voting Debt 3.03(d) Confidentiality Agreement 7.1(h6.02(b) Indemnitee 9.7(aConsent 3.05(b) 55 Indemnitor 9.7(aContinuation Period 6.10(a) Indemnity Threshold 9.3(aControlled Group Liability 3.09(d) Interim Debt Letters 4.08 DFS Provisions 9.07 Effective Time 1.02 End Date 8.01(b)(i) Environmental Permit 3.14(a)(i) Equity Securities 3.03(d) Exchange Act 3.05(b)(i) Exchange Agent 2.03(a)(i) Exchange Fund 2.03(a)(i) FERC 3.05(b)(iv) Filing 3.05(b) Final Order 7.01(b) Financing 4.08 Financing Parties 5.04(b) Financing Source Parties 9.07 FPA 3.05(b)(iv) GAAP 3.06(a) HSR Act 3.05(b)(ii) IBCL Recitals Insurance Policies 3.18 IRS IURC 3.09(b) 3.19(b) Legal Restraint 7.01(c) Liens 3.02 Maximum Amount 6.09(c) Merger Recitals Merger Consideration 2.01(a) Merger Sub Preamble Parent Preamble Parent Board Recitals Parent Common Stock 2.01(d) Parent Disclosure Letter Article IV Parent Financial Statements 6.12 KCC Consent 7.1(g4.04 Parent Reports 4.04 Parent Required Consents 4.03(a) License Period 6.9 Material Contracts 2.10(aParent Required Statutory Approvals 4.03(b)(iii) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(aPreferred Stock 3.03(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(iProceedings 5.02 Proxy Statement 6.01(a) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(bPUCO 3.19(b) Services Agreement 1.3(b)(iiPUHCA 2005 3.19(a) Shares Recitals Straddle Periods 10.4(bRepresentatives 5.03(a) Tax Controversy 10.7(aRepresented Employee 6.10(d) Tax Indemnitor 10.7(aRequired Consents 4.03(a) Tax Records 10.1 TransCanada Agreement 7.1(hRequired Statutory Approvals 4.03(b)(iii) Viking Indenture 7.2(m)SEC 3.05(b)(i) Securities Act 3.05(b)(i) Substitute Financing 5.04(e) Superior Company Proposal 5.03(f)(ii) Surviving Corporation 1.01 Takeover Statute 3.13 Transaction Litigation 6.04 WARN Act 3.10

Other Defined Terms. For the purpose of this Agreement, the The following capitalized terms shall have the meanings given in the Sections indicated Sections of this Agreementbelow: INDEX Defined Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a) Aggregate ONEOK Damages 9.3(aReference Adverse Recommendation Change 2.14(b) Agreement Preamble Audits 2.6(eFirst Paragraph Appraisal Shares 2.12 Audited Financial Statements 3.9(a) Balance Sheet 2.5(a3.9(a) Balance Sheet Date 2.5(a3.9(a) Books and Records 5.2(b)(iCall Reports 3.9(a) Business Recitals Claim 9.7(aCertificate 2.9(b) Certificate of Merger 2.3 Closing 1.3(a) 2.2 Closing Date 1.3(a2.2 -9- Defined Term Section Reference Continuing Employee 5.7(a) Closing Working Capital 1.4(aCRA 3.33 DOL 3.24(a) Closing Working Capital Statement 1.4(aEffective Time 2.3 Exchange Agent 2.9(a) Common Units 3.1(e)(vExchange Agent Agreement 2.9(a) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(hExchange Fund 2.9(a) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(cExcluded Shares 2.7(c) Financial Statements 2.5(a3.9(a) FMV Schedules 10.10(aIndemnitees 5.10(a) Governmental Approvals 6.3(aInsight First Paragraph Insight Common Stock 2.7(a) GP Purchase Agreement 7.1(hInsight Recommendation 2.14(a) Indemnitee 9.7(aInsight Series A Preferred Stock 3.6(a) 55 Indemnitor 9.7(aInsight Shareholders Recitals Insight Shareholders’ Meeting 2.14 Intellectual Property Rights 3.21 Interim Balance Sheet 3.9(a) Indemnity Threshold 9.3(aInterim Balance Sheet Date 3.9(a) Interim Financial Statements 6.12 KCC Consent 7.1(g3.9(a) License Period 6.9 Material Contracts 2.10(aLeased Property 3.14(c) Minimum Claim Amount 9.3(aLeases 3.14(c) Net Working Capital Adjustment 1.4(d)(iiLoans 3.17(a) Neutral Auditors 1.4(cMerger Consideration 2.7(a) NGA 2.17 NonNotice of Recommendation Change 2.14(b)(iii) ORC 2.3 Ohio Secretary 2.3 Ohio Superintendent 2.3 Option Cash-Controlling Party 10.7(cOut Agreement 2.8 OREO 3.14(b) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(kOwned Property 3.14(b) Northern Border Credit Agreements 7.2(kParent First Paragraph Parent Common Stock 2.7(a)(i) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(bParent Plans 5.7(d) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Parent SEC Filings 4.10 -10- Defined Term Section Reference Pre-Closing Period 4.1 PreFinancial Statements 5.15 Merger Consideration 2.7(a) Real Property 3.14(c) Regulatory Agencies 3.5 Shares 3.6(a) SRB Obligations 3.9(e) Surviving Bank 2.1 Tax Adjuster Cash Consideration 2.17 Tax Adjuster Stock Consideration 2.17 Tax-Closing Taxable Period 10.6(a)(iFree Reorganization Recital Termination Fee 7.2(b) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m)Total Option Cash Consideration 2.8

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given assigned to such terms in the indicated Sections of this Agreementlocation set forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aDefinition Location 2013 Audited Financial Statements 6.14 2015 Quarterly Statements 6.14 Accountant’s Determination 6.8(f)(ii) Aggregate ONEOK Damages 9.3(aAcquisition Proposal 6.20 Affected Foreign Employees 6.6(u) After-Acquired Business Real Property Appendix A After-Identified Common Software 6.11(c)(ii) After-Identified E-4 Software 6.11(c) After-Identified IPR 6.11(c)(i) Agreement Preamble Audits 2.6(eAgreement Date Preamble Allocation 3.3(a) Balance Sheet 2.5(aAllocation Methodology 3.3(a) Balance Sheet Date Allocation Statement 3.3(a) Antitrust Order 6.3(c) Applicable IM Business Property 6.11(d) Applicable Seller Retirement Plan 6.6(x)(i) Applicable Shared Contracts 4.18(a) Assigned Contracts Appendix A Assigned Material Contract 4.5(a) Assumed Debt Appendix C Assumed Liabilities Appendix C Assumed Pending Litigation Appendix C Audited Financial Statements 4.11(a) Bxxx of Sale 2.5(a) Books and Records 5.2(b)(i6.5(a) Business Recitals Claim 9.7(aGuarantees 6.17 Business Indemnitees 6.9(a) Business Real Property Appendix A Business Retirement Plans 6.6(x)(ii) Buyer Preamble Buyer Benefit Plans 6.6(n) Buyer Equity Commitments 5.5(a) Buyer Equity Financing 5.5(a) Buyer Indemnified Parties 9.1(a) Buyer Indemnified Party 9.1(a) Buyer Long Term Incentive Program 6.6(d) Buyer Losses 9.1(a) Buyer NQDCP 6.6(w) Buyer Rabbi Trust 6.6(w) Buyer Related Parties 10.3(d) Buyer’s 401(k) Plan 6.6(r) Buyer’s FSA 6.6(p) Buyer-Signed Tax Returns 6.8(c)(ii) Calculation Principles 3.2(b) Cap 9.2(a) CFO Certificate 6.15(f) C-H Holdings 5.5(a) C-H Holdings Equity Financing Commitment 5.5(a) Channel Agreements 4.5(a) Classified Government Contracts Retention Election 6.3(b) Cleared Employees 6.3(b) Closing 1.3(a8.1 Closing Business Cash Deficit Amount 3.5(a) Closing Business Cash Surplus Amount 3.5(a) Closing Business Indebtedness 3.5(a) Closing Date 1.3(a8.1 Closing Date Waiver 8.1 Closing Statement 3.5(a) Closing Working Capital 1.4(aCompeting Activity 6.10(a) Closing Working Capital Statement 1.4(aCompliant Offer 6.6(b) Common Units 3.1(e)(vConfidentiality Agreement 6.2(b) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Continuation Period 6.6(c) Continuing Employee 6.6(b) Copyright and Mask Work Assignment Agreement 7.1(h) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c) Financial Statements 2.5(a) FMV Schedules 10.10(aD&O Indemnity Arrangements 6.9(a) Governmental Approvals 6.3(aDebt Financing 5.5(a) GP Purchase Agreement 7.1(hDebt Financing Commitment 5.5(a) Indemnitee 9.7(aDeductible 9.2(b) 55 Indemnitor 9.7(aDelayed Matching Contributions 6.6(r) Indemnity Threshold 9.3(aDelayed Transfer Closing 2.7(c) Interim Financial Statements 6.12 KCC Consent 7.1(gDelayed Transfer Jurisdiction 2.7(c) License Period 6.9 Material Contracts 2.10(aDetermination Date 3.5(f) Minimum Claim Amount 9.3(aDHS 6.6(u) Disclosure Letter Article 4 Discontinued Products Appendix A Dispute Notice 3.5(c) DOL 6.6(u) DSS 6.3(b) DSS Approval 6.3(b) Effective Time 8.1 Employee Census 4.12(n) Employing Entity 6.6(b) Equity Financing 5.5(a) Equity Financing Commitments 5.5(a) Equity Transfer Documents 3.4(a) Estimated Business Indebtedness 3.2(b) Estimated Closing Net Working Capital 3.2(b) Estimated Closing Statement 3.2(b) Estimated Consideration 3.2(a) Estimated Net Pension Liabilities 3.6(a) Estimated Net Pension Liabilities Adjustment 1.4(d)(iiAmount 3.6(a) Neutral Auditors 1.4(cEstimated Pension Statement 3.6(a) NGA 2.17 NonEstimated Working Capital Adjustment Amount 3.2(a) Excluded Assets Appendix D Excluded Contracts Appendix D Excluded Employee Liabilities 6.6(k) Excluded Liabilities Appendix E Excluded Pending Litigation Appendix E Excluded Software Appendix D Excluded Tax Liabilities 6.8(a)(i) Exclusive Period 6.20 Exon-Controlling Party 10.7(cFxxxxx Filing 6.3(b) Northern Border FAR 4.20(c) Final Business Cash Deficit Amount 3.5(f) Final Business Cash Surplus Amount 3.5(f) Final Business Indebtedness 3.5(f) Final Closing Net Working Capital 3.5(f) Final Closing Statement 3.5(f) Final Consideration 3.5(f) Final Net Pension Liabilities 3.6(e) Final Net Pension Liabilities Adjustment Amount 3.6(e) Final Working Capital Adjustment Amount 3.5(f) Financing 5.5(a) Financing Agreements 6.15 Financing Commitments 5.5(a) FOCI 6.3(b) Foreign Continuing Employee 6.6(b) GIC Preamble Northern Border Credit GIC Equity Financing Commitment 5.5(a) Government Contract 4.20(a) Government Contract Bid(s) 4.20(c) Governmental Authority 4.3(a) Governmental Consent 6.3(a) GSA Contract 4.20(b) Independent Accountant 3.5(e) Independent Actuary 3.6(d) Information 6.12 Information Management Applications 6.10(a) Infringement Claims 9.1(c) Inventory Appendix A IPMA Preamble Key Separation Obligations 9.5 Leased Real Property Appendix A Lenders 5.5(a) Limited Guarantees Preamble Local Transfer Agreement Amendments 7.2(k2.5(a) Northern Border Credit Material Blended Pricing Agreements 7.2(k4.18(b) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(bMaterial Contracts 4.5(a) Northern Border Returns 10.4(bMaterial Shared Contracts 4.5(a) OCC Consent 7.1(gMinimum Amount 9.2(b) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(iiNegative Adjustment Amount 3.5(g) ONEOK Indemnity Cap 9.3(bNew Business Retirement Plan 6.6(x)(i) ONEOK Marks 6.9 Operating Assets 2.18(aNew U.S. Transition Health and Welfare Plans 6.6(dd) Notification 6.8(g) OFAC 4.22(a) Offer Recipient Employee 6.6(b) Officer Certificates 6.15(f) Operational Separation Activities 2.7(a) Other Transaction Agreements 7.1(hAsset Sellers 2.1 Other Buyer 2.1 Other Sellers 2.2 Other Share Sellers 2.2 Other Transfer Documents 2.5(a) 56 Outside Date 10.1(b) Parties Preamble Party Preamble Part-Year Fraction 10.5(aPatent Assignment 2.5(a) PrePaying Party 6.6(aa) Pension Calculation Principles 3.6(a) Pension Determination Date 3.6(e) Pension Dispute Notice 3.6(b) Positive Adjustment Amount 3.5(g) Post-Closing Period 4.1 PreTax Action 6.8(e)(ii) Post-Closing Taxable Period 10.6(a)(iTransaction Severance Benefits 6.6(i) Potential Contributor 9.2(h) Preliminary Allocation 3.3(a) Privileged Information 6.12 Privileges 6.12 Products Appendix A Proposed Spin-Off 4.16 Purchase Price 1.2 3.1 Purchase Transaction Preamble Purchased Assets Appendix A Qualified Representations 9.2(e) Qualifying Termination 6.6(i) Real Property Leases Appendix A Refund Recipient 6.8(e)(i) Registered Transferred IPR 4.7(a) Releasee 6.18(d) Releasors 6.18(d) Required Amount 5.5(d) Responsible Party 6.6(aa) Restricted Assets 2.6(a) Restricted Split Interest 2.6(c) Retained Contracts Agreement 2.6(d) Retention RSUs 6.6(d) Scheduled Guarantees 6.17 SEC 4.3(a) Section 3.3 Assets 3.3(a) Section 338(g) Elections 6.8(h) Securities Purchase Agreement Officer’s Certificate 6.15(f) Seller Preamble Seller 401(k) Plan 6.6(r) Seller Indemnified Party 9.1(b) Seller Losses 9.1(b) Seller Related Parties 11.5 Seller Severance Policies 6.6(i) Seller U.S. Benefits Transition Plans 6.6(dd) Seller’s FSA 6.6(p) Seller-Paid Transferred Pension Assets Appendix G Seller-Signed Tax Returns 6.8(d)(i) Split Interest 2.6(c) Sponsor Preamble Sponsor Equity Financing 5.5(a) Sponsor Equity Financing Commitment 5.5(a) Statutory Financial Statements 6.14 Straddle Period Tax Returns 6.8(c)(iii) Subleases 2.5(a) Substitute Unvested Award 6.6(d) Tangible Assets Appendix A Tax Attribute 6.8(e)(ii) Tax Benefit 9.2(i) Tax Claim 6.8(g) Tax Restoration Amount 10.3(b)(ii) Tax Return Filer 6.8(d)(iv) Termination Fee 10.3(b)(i) Third Party 2.14 Resolution Period 1.4(bClaim 9.3(c)(i) Third Party Claim Notice 9.3(c)(i) Trade Secret Assignment Agreement 2.5(a) Trademark Assignment 2.5(a) Transfer 2.6(a) Transfer Date 6.6(x)(iii) Transfer Tax Returns 6.8(b)(v) Transferred Intellectual Property Rights Appendix A Transferred IT Asset Appendix A Transferred Technology Appendix A Transition Services Agreement 1.3(b)(iiPreamble U.S. Benefits Transition Date 6.6(dd) Shares Recitals Straddle Periods 10.4(bU.S. Continuing Employee 6.6(b) Tax Controversy 10.7(aU.S. Health and Welfare Transition Date 6.6(p) Tax Indemnitor 10.7(aUnvested RSUs 6.6(d) Tax Records 10.1 TransCanada Agreement 7.1(hWithholding Party 3.7(a) Viking Indenture 7.2(m)ARTICLE 2 SALE OF ASSETS AND SHARES AND ASSUMPTION OF LIABILITIES

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given assigned to such terms in the indicated Sections of this Agreementthe Agreement set forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a) Aggregate ONEOK Damages 9.3(a) 280G Approval 6.11 Action 4.13 Agreement Preamble Audits 2.6(e) Balance Sheet 2.5(a) Balance Sheet Date 2.5(a) Books and Records 5.2(b)(i) Business Recitals Claim 9.7(a) CERCLA 4.16 Certificate of Merger 2.2 Closing 1.3(a) 2.2 Closing Date 1.3(a2.2 Company Preamble Company Benefit Plan 4.14(a) Closing Working Capital 1.4(a) Closing Working Capital Statement 1.4(a) Common Units 3.1(e)(v) Companies Recitals Company Recitals Disclosure Schedule Preamble to Article IV Company Subsidiary 2.2 Contribution Agreement 7.1(h) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Disclosure Schedule Supplement 6.5 Company Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c4.10(a) Company Licenses 4.10(c) Company Stock Certificates 3.2(e)(iv) Company Stockholder Representative 3.7(a) Company Stockholder Representative Completion Date 3.7(c) Company Stockholder Representative Costs 3.7(c) Confidentiality Agreement 7.1 Continuing Employees 7.2(a) Disbursement Amount 3.2(e)(ii) Disbursing Agent 3.2(e)(ii) Dissenting Shares 3.5 Dissenting Shares Payment 3.5 Dissenting Stockholder 3.5 EGTRRA 4.14(a) Escrow Release Amount 11.3(e)(ii) Exchange Documents 3.2(e)(iv) Financial Statements 2.5(a) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h4.5 GAAP 4.5 GUST 4.14(a) Indemnitee 9.7(a11.3(i) 55 12 Indemnitor 9.7(a11.3(i) Indemnity Threshold 9.3(aIndependent Expert 2.9(a)(iii) Interim Financial Statements 6.12 KCC Consent 7.1(gIntellectual Property 4.10(a) License Period 6.9 Leased Real Property 4.9(b) Leases 4.9(b) Letter of Transmittal 3.2(e)(iv) Material Contracts 2.10(aContract 4.12(a) Minimum Claim Amount 9.3(aMerger Recitals Merger Sub Preamble Notice of Objection 2.9(a)(ii) Net Parachute Payment 6.11 Parent Preamble Parent Disclosure Schedule Preamble to Article V Parent Indemnified Parties 11.3(a) Policies 4.17 Preliminary Closing Date Calculations 2.9(a)(i) Preliminary Company Transaction Expenses 2.9(a)(i) Preliminary Working Capital Adjustment 1.4(d)(ii2.9(a)(i) Neutral Auditors 1.4(cReal Property 4.9(b) NGA 2.17 Non-Controlling Review Period 2.8(b)(ii) Severance Policies 4.14(a) Stockholder Indemnified Parties 11.3(b) Straddle Period 8.5(a)(i) Subsidiary Shares 4.3(b) Surviving Corporation 2.1 Terminated Employees 7.2(c) Third Party 10.7(cLicenses 4.10(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(mThreshold Amount 11.3(c)

Other Defined Terms. For the purpose In addition, each of this Agreement, the following terms shall have the meanings meaning given to such term in the indicated Sections applicable Section of this Agreementthe Agreement listed opposite such term: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a) Aggregate ONEOK Damages 9.3(a) Agreement Preamble Audits 2.6(eAPI Corporation Returns 2.17(a) Balance Sheet 2.5(aAPI Leased Real Property 2.10(b) Balance Sheet Date 2.5(aAPI Registered IP 2.11(a)(i) Books and Records 5.2(b)(i) Business Recitals Claim 9.7(a) Closing 1.3(aAnti-Bribery Laws 2.15 Book Entry Shares 1.5(e) Closing Date 1.3(a1.3 Closing 1.3 Company Preamble Company 401(k) Closing Working Capital 1.4(aPlan 5.5(b) Closing Working Capital Statement 1.4(aCompany Board Recommendation 5.2(b) Common Units 3.1(e)(vCompany Certifications 2.6(a) Companies Company Change in Recommendation 5.2(b) Company Existing D&O Policy 5.6(a)(ii) Company Indemnified Persons 5.6(a)(i) Company Material Contract 2.12(a) Company Maximum Premium 5.6(a)(ii) Company Owned Real Property 2.10(a) Company Reimbursement Fee 8.3(b) Company SEC Documents 2.6(a) Company Specified Agreement 8.1(i) Company Stock Certificate 1.6 Company Stockholder Voting Agreements Recitals Company Stockholders’ Meeting 5.2(a) Company Termination Fee 8.3(b) Company Warrants 1.5(d) Company’s Financial Advisor 2.26 Continuing Employees 5.5(a) Effective Time 1.3 End Date 8.1(b) Exchange Act 2.12(a)(i) Exchange Agent 1.7(a) Exchange Fund 1.7(a) Exchange Ratio 1.5(a)(iii) Xxxx Corporations Returns 3.17(a) Xxxx Leased Real Property 3.10(b) Xxxx Registered IP 3.11(a)(i) Merger Sub Preamble Merger Recitals Company Subsidiary 2.2 Contribution Parent Benefit Plans 5.5(c) Parent Board Recommendation 5.3(b) Parent Certifications 3.6(a) Parent Change in Recommendation 5.3(b) Term Section Parent Existing D&O Policy 5.6(b)(ii) Parent Indemnified Persons 5.6(b)(i) Parent Intervening Event 5.3(c)(ii) Parent Material Contract 3.12(a) Parent Maximum Premium 5.6(b)(ii) Parent Owned Real Property 3.10(a) Parent SEC Documents 3.6(a) Parent Reimbursement Fee 8.3(c) Parent Specified Agreement 7.1(h8.1(h) Controlling Party 10.7(cParent Stockholder Voting Agreements Recitals Parent Stockholders’ Meeting 5.3(a) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(cParent Termination Fee 8.3(c) Parent Preamble Parent’s Financial Statements 2.5(a) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Advisor 3.26 Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(iRequired Company Stockholder Vote 2.24 Required Merger Sub Stockholder Vote 3.24 Required Parent Stockholder Vote 3.24 Surviving Corporation 1.1 Termination Fee 8.3(c) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(bWARN Act 2.18(k) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m)100 AGREEMENT AND PLAN OF MERGER AND REORGANIZATION among: XXXX INNOVATIONS INCORPORATED, a Delaware corporation; API MERGER SUB, INC., a Delaware corporation; and ADVANCED PHOTONIX, INC., a Delaware corporation Dated as of January 30, 2015 101 TABLE OF CONTENTS PAGE

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given assigned to such terms in the indicated Sections of this Agreementthe Agreement set forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aAccounting Principles 2.6(a)(i) Aggregate ONEOK Damages 9.3(aAction 4.19(a) Agreement Preamble Audits 2.6(eAllocation Statement 2.7 Altersteilzeit 7.4(b)(ix) Applicable Survival Period 10.1(d) Assigned Contracts 2.1(d) Assignment and Assumption Agreement 3.2(b) Assignment and Assumption of Lease 3.2(g) Assumed Liabilities 2.3 Audited Financial Statements 4.5(a)(i) Balance Sheet 2.5(a4.5(b) Balance Sheet Date 2.5(a4.5(b) Books and Records 5.2(b)(iBase Net Assets 2.6(a)(ii) Business Recitals Claim 9.7(aBusiness Authorizations 4.11(a) Buyer Preamble Buyer Closing Certificate 8.3(c) Buyer Disclosure Schedule Preamble Article V Buyer Indemnitees 10.2(a) Cash Consideration 2.5(a) Closing 1.3(a3.1 Closing Assets 2.6(a)(iii) Closing Date 1.3(a3.1 Closing Liabilities 2.6(a)(iv) Closing Working Capital 1.4(aNet Assets 2.6(a)(v) Closing Working Capital Net Assets Statement 1.4(a2.6(a)(vi) Common Units 3.1(e)(vCOBRA 7.4(i) Companies Confidentiality Agreement 6.3 Consents 4.4(a) Copyrights 4.15(a) CTC Recitals Company Recitals Company Subsidiary Deficit Amount 2.6(e)(i) DOJ 7.1(a) Escrow Agent 3.3(a) Escrow Fund 3.3(a) Excess Amount 2.6(e)(ii) Excluded Assets 2.2 Contribution Agreement 7.1(hExcluded Contracts 2.2(b) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Excluded Liabilities 2.4 Final Net Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c2.6(a)(vii) Financial Statements 2.5(a4.5(a) FMV Schedules 10.10(aForeign Plans 4.20(q) Governmental Approvals 6.3(aFTC 7.1(a) GP Purchase Agreement 7.1(hGerman Employees 7.4(b)(i) Indemnitee 9.7(aIn-Bound Licenses 4.15(c) 55 Indemnitor 9.7(aIndependent Expert 2.6(d) Indemnity Threshold 9.3(aIntellectual Property 4.15(a) Intellectual Property Rights 4.15(a) Interim Balance Sheet 4.5(b) Interim Balance Sheet Date 4.5(b) Interim Financial Statements 6.12 KCC Consent 7.1(g4.5(a)(ii) License Lease 4.14(c) Leased Real Property 4.14(b) Liabilities 4.6 Losses 10.2(a) Marks 4.15(a) Material Contract 4.17(a) Minor Contracts 4.17(b) Names 7.3(a) Noncompetition Period 6.9 Material Contracts 2.10(a6.8(a) Minimum Notice of Claim Amount 9.3(a10.4(a) Net Working Capital Adjustment 1.4(d)(iiNotice of Objection 2.6(c) Neutral Auditors 1.4(cOut-Bound Licenses 4.15(d) NGA 2.17 NonPatents 4.15(a) Pension Plan 4.20(b) Pensionssicherungsverein 7.4(b)(ix) Personal Property 4.12(a) Policies 4.23(a) Post-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(aClosing Tax Period 7.5(e) Pre-Closing Tax Period 4.1 Pre-Closing Taxable Period 10.6(a)(i7.5(e) Products 4.24(a) Proprietary Information 4.15(a) Purchase Price 1.2 Related 2.5(a) Purchased Assets 2.1 Qualified Lawsuit 7.12 Real Property 4.14(b) Representatives 6.3 Restricted Business 6.8(a) Restricted Contract 2.8(a) Review Period 2.6(c) Section 1060 Forms 2.7 Seller Preamble Seller Benefit Plans 4.20(a) Seller Closing Certificate 8.2(c) Seller Disclosure Schedule Preamble Article IV Seller Employees 2.4(f) Seller Benefit Plans 4.20(a) Seller Indemnitees 10.3(a) Seller Intellectual Property 4.15(e) Seller Owned Intellectual Property 4.15(b) Seller Registered Items 4.15(f) Software 4.15(a) Subsidiary Stock 4.3(a) Third Party 2.14 Resolution Period 1.4(bClaim 10.4(a) Third Party Defense 10.4(b) Transferred Employees 7.4(a)(ii) Transition Services Agreement 1.3(b)(ii7.10 Unexpected Employees 7.4(b)(v) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(mWertguthaben 7.4(b)(ix)

Other Defined Terms. For the purpose of this AgreementIn addition, the following terms shall have the meanings given ascribed to them in the indicated Sections corresponding section of this Agreement: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a338 Election 6.10(a) Aggregate ONEOK Damages 9.3(a) Acquisition 5.20 Agreement Preamble Audits 2.6(eAllocation Schedule 2.10 Allocations 2.10 Alternative Financing 5.16(b) Balance Sheet 2.5(aAlternative Financing Commitment Letter 5.16(b) Anti-Corruption Laws 3.19(a) Antitrust Laws 3.4 Approvals 2.11(a) Assignment and Assumption Agreement 2.8(a)(vi) Assumed Liabilities 2.6 Balance Sheet Date 2.5(a3.6(a) Books and Records 5.2(b)(iBase Purchase Price 2.2 BBU 5.17(a) Xxxx of Sale 2.8(a)(v) Burdensome Condition 5.1(c) Business Recitals Claim 9.7(aBalance Sheet 3.6(a) Business Financial Statements 3.6(a) Business Permits 3.12(b) Business Provided Credit Enhancements 5.8(b) Capex Period Capex Underspend definition Casualty Policies 5.10(b) Closing 1.3(a) 2.3 Closing Date 1.3(a2.3 Closing Statement 2.9(b) COBRA 5.7(j) Combined Tax Return 6.4(a) Commitment Letters 4.4 Company Representatives 3.19(a) Competing Business 5.14(b)(ii) Confidentiality Agreement 5.3 Covered Person 5.14(a) Debt Commitment Letter 4.4 Debt Financing 4.4 Deductible 9.2(c) Deeds 2.8(a)(vii) Definitive Financing Agreements 5.16(a) Dispute Notice 2.9(d) Dispute Resolution Period 2.9(d) Divestiture Action 5.1(c) Divestiture Offer 5.14(b)(iii) Divestiture Offer Acceptance Period 5.14(b)(iii) Divestiture Offer Price 5.14(b)(iii) Divestiture Offer Proposal Period 5.14(b)(iii) Divestiture Period 5.14(b)(iii) Enforceability Exceptions 3.3 Environmental Permits 3.13(a) Equity Commitment Letter 4.4 Equity Financing 4.4 Estimated Adjustment Amount 2.9(b) Estimated Closing Working Capital 1.4(aCash Amounts 2.9(b) Estimated Closing Working Capital Statement 1.4(aFunded Debt 2.9(b) Common Units 3.1(e)(vExcluded Assets 2.5 Excluded Business Taxes 6.1 Excluded Information 5.17(a) Companies Final Purchase Price 2.9(f) Financing 4.4 Financing Uses 4.4 Foreign Acquisition Agreements 2.12 Foreign Closing Documents 2.8(a)(viii) Guarantor Recitals Guaranty Recitals HK Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(h2.8(a)(iv) Controlling Indemnified Party 10.7(c9.4(a) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(cIndemnifying Party 9.4(a) Financial Statements 2.5(aIndependent Accounting Firm 2.9(d) FMV Schedules 10.10(aInfringe 3.9(b) Governmental Approvals 6.3(aInsurance Administration Procedures 5.10(b) GP Purchase Agreement 7.1(hInterest Rate 8.2(c) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a3.11(a) Minimum Claim Amount 9.3(aMirror Plan 5.7(k)(ii) Net Working Capital Adjustment 1.4(d)(iiMirror Trust 5.7(k)(ii) Neutral Auditors 1.4(cNew Captive Insurance Company 5.10(a) NGA 2.17 NonOFAC 3.19(d) Offered Divestiture Business 5.14(b)(iii) Outside Date 8.1(d) Post-Controlling Party 10.7(cClosing Statement 2.9(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble PartPost-Year Fraction 10.5(aRetirement Plan 5.7(k)(ii) Pre-Closing Period 4.1 Reorganization 5.13(a) Pre-Closing Taxable Period 10.6(a)(iSeparate Tax Return 6.4(a) Purchase Price 1.2 Purchased Assets 2.4 Purchased Consolidated Venture 2.4(a) Purchased Entities 2.4(a) Purchased Entity 2.4(a) Purchased Entity Securities 3.2(a) Purchased Entity Shares 2.4(a) Purchased Non-Consolidated Venture 2.4(a) Purchased Venture Governing Documents 3.2(b) Purchased Venture Interests 2.4(a) Purchased Venture Securities 3.2(b) Purchased Ventures 2.4(a) Purchaser Preamble Purchaser 401(k) Plan 5.7(g) Purchaser FSA Plan 5.7(h) Purchaser Indemnified Parties 9.2(a) Purchaser Material Adverse Effect 4.1(b) Purchaser Tax Indemnified Parties 6.1 Purchaser’s Allocation Notice 2.10 R&W Insurance Policy 5.18 Related Parties 10.14 Related Party 2.14 Resolution Agreement 3.16 Released Purchaser Parties 5.21(a) Released Seller Parties 5.21(b) Releasing Party Employees 5.21(a) Releasing Purchaser Parties 5.21(b) Releasing Seller Parties 5.21(a) Required Regulatory Approvals 7.1(a) Retained Liabilities 2.7 Sample Closing Statement 2.9(a) Sanctions 3.19(d) Securities Act 4.8 Self-Insured Claims 5.10(a) Seller Preamble Seller 401(k) Plans 5.7(g) Seller FSA Plan 5.7(h) Seller Indemnified Parties 9.3 Seller Licensed IP 5.9(b)(i) Seller Provided Credit Enhancements 5.8(a) Seller Tax Indemnified Parties 6.2 Seller’s Allocations 2.10 Shared Contract 2.11(c) Solvent 4.9 Specially Designated National or Blocked Person 3.19(d) Specified Business Contracts 2.4(b) Specified Non-Consolidated Venture 2.4(a) Specified Non-Consolidated Venture Interests 2.4(a) Step Plan 5.13(a) Straddle Period 1.4(bSeparate Tax Return 6.4(b) Subsequent Loss 6.5(c) Termination Fee 8.2(b) Third Party Claim 9.4(a) Top Customers 3.21(a) Top Suppliers 3.21(b) Trademarks Intellectual Property definition Transaction Recitals Transaction Accounting Principles 2.9(a) Transfer Taxes 6.12 Transferred Business Employee 5.7(a)(ii) Transferred FSA Balances 5.7(h) Transferred Intellectual Property 2.4(d) Transferred International Business Employees 5.7(m) Transferred IT Assets 2.4(r) Transferred Leased Property 2.4(c)(ii) Transferred Leases 2.4(c)(ii) Transferred Owned Property 2.4(c)(i) Transferred Permits 2.4(j) Transition Period 5.9(a) Transition Services Agreement 1.3(b)(ii2.8(a)(iii) Shares Recitals Straddle Periods 10.4(bVenture Equity Interests 3.2(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m)ARTICLE II

Other Defined Terms. For the purpose of this AgreementIn addition, the following terms shall have the meanings given ascribed to them in the indicated Sections corresponding section of this Agreement: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a) Aggregate ONEOK Damages 9.3(a) Acquisition Proposal 5.6 Agreement Preamble Audits 2.6(eApproval 2.8(a) Balance Sheet 2.5(aAssumed Liabilities 2.6(a) Balance Sheet Bankruptcy Code 5.13(i) -12- Capitalization Date 2.5(a4.2(a) Books and Records 5.2(b)(iCash Award 5.9(h) Business Recitals CBA 3.9(i) Change Definition of Material Adverse Effect Claim 9.7(aNotice 9.4(a) Claim Objection Notice 9.4(b) Closing 1.3(a2.2(a) Closing Consideration 2.3(a) Closing Date 1.3(a2.2(a) Closing Working Capital 1.4(aConsideration Adjustment 2.10(b) Closing Working Capital Statement 1.4(aContinuation Period 5.9(c) Common Units 3.1(e)(vContinuing Employee 5.9(b) Companies Copyrights Definition of Intellectual Property Customer Experience Software Definition of Transferred MRC Software Damages Cap 8.2 Data Contracts 5.15(a) Deductible 9.3(a)(i) Dividend 2.10(b) Employee Outsourcing and Transfer Agreement Term Sheet Definition of Employee Outsourcing and Transfer Agreement Employee Transfer Date 5.9(b) Enforceability Exceptions 4.3(a) Equity Term Sheet Definition of Amended LLC Agreement Excluded Assets 2.4 Fundamental Representation Survival Date 9.1(b) General Cap 9.3(a)(ii) General Survival Date 9.1(b) Guarantor Preamble Guarantor Licensees 5.13(b) Guarantor Original Software 5.13(a) Guarantor RSU Award 5.9(h) HSR Act 3.3 Inactive Employee 5.9(b) Indemnified Party 9.2(c) Indemnifying Party 9.2(c) Indian Liabilities 2.6(a)(iv) Indian Liabilities Cap 2.6(a)(iv) Inside Date 2.2(a) Liquidity Event 2.10(b) Loss 9.2(a) Losses 9.2(a) Marks Definition of Intellectual Property Material Contracts 3.13(a) Measurement Date 2.11(b) Misallocated Asset or Liability 5.8(b) Mortgage Servicing Platform Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(hNon-Antitrust Approvals 2.8(b) Non-Assignable Assets 2.8(a) Non-Material Source Code 5.13(h) Non-Recourse Party 9.2(f) Parties Preamble Patents Definition of Intellectual Property Per Claim Amount 9.3(a)(i) Periodic Taxes 6.3 Reference Date 4.5(a) Registered Transferred IP 3.10(a) Releasees 5.18 Releasors 5.18 Replacement Award 5.9(h) Required Approvals and Filings 5.2(a) Resolution Memorandum 9.4(c) Retained Liabilities 2.5(a) Sanctioned Countries 3.7(c) Shared Software 5.13(a) Spin‑Out 5.13(e)(ii) Subject Provision 9.4(a) Support Software Definition of Transferred MRC Software Tax Claim 9.5(b) Tax Controlling Party 10.7(c9.5(b) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c) Financial Statements 2.5(a) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Tax Non-Controlling Party 10.7(c9.5(b) Northern Border Third-Party Claim 9.4(a) Trade Laws 3.7(c) Trade Secrets Definition of Intellectual Property Transaction Recitals Transfer Taxes 6.2 Transferee Preamble Northern Border Credit Agreement Amendments 7.2(kTransferee 401(k) Northern Border Credit Agreements 7.2(kPlan 5.09(e) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(bTransferee Financial Statements 4.5(a) Northern Border Returns 10.4(bTransferee Fundamental Representations 9.1(c) OCC Consent 7.1(gTransferee Indemnified Parties 9.2(a) ONEOK Transferee India Employee Benefits 5.9(i) Transferee Releasee 5.18 Transferee Releasor 5.18 Transferee Securities 4.2(c) Transferee Taxes 9.5(b) Transferor Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(iiTransferor 401(k) ONEOK Indemnity Cap 9.3(bPlans 5.09(e) ONEOK Marks 6.9 Operating Transferor Financial Statements 3.6(a) Transferor Fundamental Representations 9.1(b) Transferor Indemnified Parties 9.2(b) Transferor Releasee 5.18 Transferor Releasor 5.18 Transferor Taxes 9.5(b) Transferred Contracts Definition of Transferred Assets 2.18(aTransferred Employee 5.9(b) Other Transaction Agreements 7.1(hTransferred Software Definition of Transferred Assets Transferred Tangible Personal Property Definition of Transferred Assets Transferring Entities Definition of Transferring Entity Trigger Event 2.11(b) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(aUnits 4.2(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(iWARN 3.9(j) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(bXome 5.15(b) Services Agreement 1.3(b)(iiXome Data Contracts 5.15(b) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m)ARTICLE II CONTRIBUTION

Other Defined Terms. For the purpose of this Agreement, the The following capitalized terms shall have the meanings given in the Sections indicated Sections of this Agreementbelow: INDEX Defined Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aReference ABCB Preamble ABCB 401(k) Aggregate ONEOK Damages 9.3(aPlan 5.7(e) ABCB Capitalization Date 4.7(a) ABCB Common Stock Issuance Recitals ABCB Contract 4.23(a) ABCB Disclosure Schedule 4.1(a) ABCB Financial Advisor 4.29 ABCB Financial Statements 4.10(a) ABCB Loans 4.17(a) ABCB Recommendation 2.13 ABCB Regulatory Agencies 4.6 ABCB Regulatory Agreement 4.6 ABCB SEC Filings 4.9 ABCB Shareholder Approval 4.3(a) ABCB Shareholders Recitals ABCB Shareholders’ Meeting 2.13 ABCB Stock Option 2.7(a) Acquisition Agreement 5.8(a) Adverse Recommendation Change 2.12(b) Agreement Preamble Audits 2.6(eAmeris Recitals Bank Merger Recitals Bank Merger Agreement Recitals BHCA 3.2(a) Balance Sheet 2.5(aBook-Entry Shares 2.8(b)(i) Balance Sheet Date 2.5(aCertificate of Merger 2.4(a) Books and Records 5.2(b)(iCertificates 2.8(b)(i) Business Recitals Chosen Courts 8.7(b) Claim 9.7(a5.9(a) Closing 1.3(a) 2.3 Closing Date 1.3(a2.3 Code Recitals Continuing Employee 5.7(a) Closing Working Capital 1.4(aCRA 3.18 Data Conversion 5.11 Discontinued Employee 5.7(b) Closing Working Capital Statement 1.4(aEffective Time 2.4(a) Common Units 3.1(e)(vExchange Agent 2.8(a) Companies Exchange Agent Agreement 2.8(a) Exchange Fund 2.8(a) Exchange Ratio 2.6(a) Excluded Shares 2.6(c) Fidelity Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(hFSC Preamble FSC 401(k) Controlling Party 10.7(cPlan 5.7(e) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(cFSC Capitalization Date 3.7(a) FSC Contract 3.23(a) FSC Disclosure Schedule 3.1(a) FSC Financial Advisor 3.30 FSC Financial Statements 2.5(a3.10(a) FMV Schedules 10.10(aFSC Insiders 5.17 FSC Loans 3.17(a) Governmental Approvals 6.3(aFSC Recommendation 2.12(a) GP Purchase FSC Regulatory Agencies 3.6 FSC Regulatory Agreement 7.1(h3.6 FSC SEC Filings 3.9 FSC Shareholder Approval 3.3(a) Indemnitee 9.7(aFSC Shareholders Recitals FSC Shareholders’ Meeting 2.12(a) 55 Indemnitor 9.7(aFSC Voting Agreement Recitals Georgia Secretary 2.4(a) Indemnity Threshold 9.3(aIndemnitees 5.9(a) Interim Financial Statements 6.12 KCC Consent 7.1(gLetter of Transmittal 2.8(b)(i) License Period 6.9 Material Contracts 2.10(aMaterially Burdensome Regulatory Condition 5.3(a) Minimum Claim Amount 9.3(aMerger Recitals Merger Consideration 2.6(a) Net Working Capital Adjustment 1.4(d)(iiNotice of Recommendation Change 2.12(b)(iii) Neutral Auditors 1.4(cPremium Cap 5.9(b) NGA 2.17 Non-Controlling Providing Party 10.7(c5.4(a) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k10 Regulatory Agencies 4.6 Requesting Party 5.4(a) Northern Border Credit Agreements 7.2(kSurviving Bank Recitals Surviving Corporation 2.1(a) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(bTakeover Statutes 3.3(b) Northern Border Returns 10.4(bTermination Fee 7.2(b) OCC Consent 7.1(gTransition Plan Year 5.7(c) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m)Trust Preferred Securities 5.16

Other Defined Terms. For the purpose of this Agreement, the The following capitalized terms shall have the meanings given in the Sections indicated Sections of this Agreementbelow: INDEX Defined Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aReference ABCB First Paragraph ABCB Capitalization Date 4.7(a) Aggregate ONEOK Damages 9.3(aABCB Disclosure Schedule 4.1(a) ABCB Ratio 7.1(h) ABCB Regulatory Agencies 4.6 ABCB Regulatory Agreement 4.6 ABCB Retention Program 5.16 ABCB SEC Filings 4.9 Acquisition Agreement 5.8(a) Additional Cash Payment Per Share 7.1(h) Adverse Recommendation Change 2.14(b) Agreement Preamble Audits 2.6(eFirst Paragraph Ameris Recitals Appraisal Shares 2.12 Audited Financial Statements 3.9(a) Balance Sheet 2.5(aBank Merger Recitals Bank Merger Agreement Recitals BOLI 3.27(b) Balance Sheet Date 2.5(aBook Entry Shares 2.9(b)(i) Books and Records 5.2(b)(iCertificates 2.9(b)(i) Business Recitals Certificate of Merger 2.4(a) Claim 9.7(a5.9(a) Closing 1.3(a) 2.3 Closing Date 1.3(a2.3 Closing Date Plan Year 5.7(c) Closing Working Capital 1.4(aContinuing Employee 5.7(a) Closing Working Capital Statement 1.4(aCRA 3.18 Discontinued Employee 5.7(b) Effective Time 2.4(a) Exchange Agent 2.9(a) Exchange Agent Agreement 2.9(a) Exchange Fund 2.9(a) Exchange Ratio 2.7(a) Excluded Shares 2.7(c) Georgia Secretary 2.4(a) Hxxxxxxx Recitals HSB First Paragraph HSB Common Units 3.1(e)(vStock 2.7(a) Companies HSB Disclosure Schedule 3.1(a) HSB Financial Advisor 3.30 HSB Financial Statements 3.9(a) HSB Intellectual Property 3.21 HSB Recommendation 2.14(a) HSB Regulatory Agencies 3.6 HSB Regulatory Agreement 3.6 HSB Retention Program 5.16 HSB Shareholder Approval 6.1(b) HSB Shareholders Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement HSB Shareholders’ Meeting 2.14(a) Indemnitees 5.9(a) Index Ratio 7.1(h) Controlling Party 10.7(cInformation Systems Conversion 5.11 Leases 3.14(b) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(cLetter of Transmittal 2.9(b)(i) Loans 3.17(a) Materially Burdensome Regulatory Condition 5.3(a) Merger Recitals Merger Consideration 2.7(a) Non-Voting Common Stock 2.7(a) Non-Solicitation Agreements Recitals Notice of Recommendation Change 2.14(b)(iii) Per Share Cash Consideration 2.7(a) Per Share Stock Consideration 2.7(a) Premium Cap 5.9(b) Regulatory Agencies 4.6 Stockholders’ Agreement 5.16 Surviving Corporation 2.1(a) Termination Fee 7.2(b) Trust Preferred Securities 5.19 Unaudited Financial Statements 2.5(a3.9(a) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Voting Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(mVoting Common Stock 2.7(a)

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given assigned to such terms in the indicated Sections of this Agreementthe Agreement set forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a) Aggregate ONEOK Damages 9.3(aAction 4.11(a) Agreement Preamble Audits 2.6(eAllocation Statement 2.5 Applicable Survival Period 10.1(d) Balance Sheet 2.5(aAssigned Contracts 2.1(c) Balance Sheet Date 2.5(aAssumed Liabilities 2.2 Business 4.8(g) Books and Records 5.2(b)(iBuyer Preamble Buyer Closing Certificate 8.3(c) Business Recitals Claim 9.7(aBuyer Common Stock 2.4 Buyer Disclosure Schedule Preamble Article V Buyer Indemnitees 10.2(a) Buyer Warranty Losses 10.2(b) CERCLA 4.12(a)(iv) Closing 1.3(a) 3.1 Closing Date 1.3(a3.1 Confidentiality Agreement ??? Consents 4.3(a) Environment 4.12(a)(i) Environmental Action 4.12(a)(ii) Environmental Cleanup Site 4.12(a)(iii) Environmental Laws 4.12(a)(iv) Environmental Permit 4.12(a)(v) Excluded Liabilities 2.3 Hazardous Substances 4.12(a)(vi) Losses 10.2(a) Noncompetition Period 6.8(a) Nondisclosure Agreements 4.9(c) Notice of Claim 10.4(a) PCBs 4.21(i) Policies 4.22(a) Post-Closing Working Capital 1.4(a) Closing Working Capital Statement 1.4(a) Common Units 3.1(e)(v) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(h) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c) Financial Statements 2.5(a) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Tax Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a7.5(b) Pre-Closing Tax Period 4.1 Pre-Closing Taxable Period 10.6(a)(i7.5(b) Proprietary Information 4.9(a) Purchase Price 1.2 Related 2.4(a) Purchase Price Shares 2.4(a) Purchased Assets 2.1 RCRA 4.12(a)(iv) Release 4.12(a)(vii) Representatives 6.3 Restricted Business 6.8(a) Restricted Contract 2.6(a) Section 1060 Forms 2.5 Seller Closing Certificate 8.2(c) Seller Disclosure Schedule Preamble Article IV Seller Group Recitals Seller Indemnitees 10.3(a) Seller Warranty Losses 10.3(b) Third Party 2.14 Resolution Period 1.4(bClaim 10.4(a) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods Third Party Defense 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m)ARTICLE II

Other Defined Terms. For the purpose of this AgreementIn addition, the following terms shall have the meanings given ascribed to them in the indicated Sections corresponding section of this Agreement: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a) Aggregate ONEOK Damages 9.3(a) Acquisition Proposal 5.17 Affiliate Transactions or Interests 3.21 Agreement Preamble Audits 2.6(eAlternative Financing 5.18(b) Balance Sheet 2.5(aAlternative Financing Commitment Letter 5.18(b) Antitrust Law 5.1(b) Back-to-Back Arrangement 5.7(b) Balance Sheet Date 3.7(a) Base Purchase Price 2.2 Business Balance Sheet 3.7(a) Business Financial Statements 3.7(a) Capital Investment 5.20(d)(i) Capital Transaction 5.20(d)(ii) Closing 2.3 Closing Date 2.3 Closing Statement 2.5(b) Commitment Letters 4.5 Company Preamble Company Data 3.15(h) Company IPR Agreements 3.12(a)(v) Company IT Systems 3.15(i) Company Material Contract 3.12(a) Company Permits 3.6(a) Company Proceeds 5.20(d)(iii) Company Software 3.15(g) Company Subsidiary 3.1(c) Competing Business 5.15(b) Confidential Information 5.3 Confidentiality Agreement 5.3 Contract Separation 5.7(a) Covered Person 5.15(a) Credit Enhancements 5.10(a) Credit Support …………………………………………………………………………… Section 5.10(c) Data Protection Program 3.15(h) Debt Commitment Letter 4.5 Debt Financing 4.5 Debt Financing Sources 4.5 Definitive Financing Agreements 5.18(a) Dispute Notice 2.5(d) Dispute Resolution Period 2.5(d) Divestiture Period 5.15(b)(iii) DOJ 5.1(b) Enforceability Exceptions 3.3 Equity Commitment Letter 4.5 Equity Financing 4.5 Equity Interests Recitals Estimated Adjustment Amount 2.5(b) Estimated Closing Cash Amounts 2.5(b) Estimated Closing Company Transaction Expenses 2.5(b) Estimated Closing Funded Debt 2.5(b) Excluded Information 5.19(a) Exclusivity Period 5.17 Exempt Transaction 5.17 Extraordinary Action 5.8 Final Purchase Price 2.5(f) Financing 4.5 Financing Uses 4.5 Foreign Closing Documents 2.4(v) FTC 5.1(b) Guarantor Recitals Guaranty Recitals Heritage Name 5.11(a) Holding Fee Payment 5.21 HSR Act 5.1(b) Indemnified Party 9.4(a) Indemnifying Party 9.4(a) Independent Accounting Firm 2.5(d) Insurance Policies 3.17 Inventions 5.11(b)(i) Inventor 3.15(f) Labor Agreement 3.11(b) Leased Real Property 3.19 Organizational Documents 3.1(d) Outside Date 8.1(d) Post-Closing Statement 2.5(c) Promissory Note 2.4(iv) Purchaser Preamble Purchaser 401(k) Plan 5.9(g) Purchaser Covenant Parties 5.11(b)(ii) Purchaser Group 5.1(a) Purchaser Indemnified Parties 9.2(a) Purchaser Material Adverse Effect 4.1, 4.1 Real Property Leases 3.19 Regulatory Remedy 5.1(c) Related Parties 10.14 Review Period 2.5(d) Sample Closing Statement 2.5(a) Books and Records 5.2(b)(iSecurities Act 4.9 Seller Preamble Seller 401(k) Business Recitals Claim 9.7(aPlans 5.9(g) Closing 1.3(aSeller Consolidated Returns 6.1(b) Closing Date 1.3(aSeller Covenant Parties 5.11(b)(i) Closing Working Capital 1.4(a) Closing Working Capital Statement 1.4(a) Common Units 3.1(e)(v) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(h) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c) Financial Statements 2.5(a) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Seller Indemnified Parties Preamble Party Preamble Part-Year Fraction 10.5(a) 9.3 Seller Pre-Closing Covenants 9.1 Seller Prepared Returns 6.1(b) Seller Separate Returns 6.1(b) Solvent 4.10 Stranded Shared Contract 5.7(b) Tax Sharing Agreements 3.16(h) Termination Fee 8.2(b) Third Party Claim 9.4(a) Transaction Recitals Transaction Accounting Principles 2.5(a) Transfer Taxes 6.6 Transferred Business Employee 5.9(a)(ii) Transferred International Business Employees 5.9(i) Transition Period 4.1 Pre-Closing Taxable Period 10.6(a)(i5.11(a) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Transition Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m2.4(iii)

Other Defined Terms. For the purpose of this Agreement, the The following terms shall will have the meanings given defined for such terms in the indicated Sections of this Agreementset forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a2013 Cxxx Memo 4.13(b) Aggregate ONEOK Damages 9.3(aAccounting Firm 2.17(c) Agreement Preamble Audits 2.6(eAdditional Shares 2.18(b) Balance Sheet 2.5(aAnti-Money Laundering Laws 4.26 Apps 4.28 Assumed Option 2.7(a)(i) Audited Financial Statements 6.19 Balance Sheet Date 2.5(a4.8(b) Books Benefit Arrangements 4.16(i) Buyer Introduction Buyer Disclosure Schedules 5 Buyer Excluded Representation 9.1(a)(ii) Buyer’s, Mxxxxx Sub’s and Records 5.2(b)(ithe SPAC’s Contractual Representations 5.20 Buyer’s, Mxxxxx Sub’s and the SPAC’s Extra Contractual Representations 5.20 Buyer’s Counsel 10.15(b) Business Recitals Cap 9.1(d)(ii) Certificate 2.9(c) Certificate of Merger 2.2 Claim 9.7(a) 6.11 Closing 1.3(a) 3.1 Closing Date 1.3(a) 3.1 Closing Working Capital 1.4(aIndebtedness 1.1(n) Closing Working Capital Statement 1.4(a2.5(d) Common Units 3.1(e)(vor (e) Companies Recitals Coattail Agreement 2.14 Company Recitals Introduction Company Subsidiary 2.2 Contribution Closing Cash 1.1(n) Company Disclosure Schedules 4 Company Intellectual Property 4.12(a) Company Shareholder Notice 6.17 Confidential Information 9.4 Confidentiality Agreement 7.1(h) Controlling Party 10.7(c6.4(a) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Offering 6.22(c) Dissenting Shares 2.8 Draft Working Capital 1.4(cStatement 2.17(a) Financial Statements 2.5(aEffective Time 2.2 Estimated Cash 2.6(c)(i) FMV Schedules 10.10(aEstimated Closing Merger Consideration 2.6(c)(i) Governmental Approvals 6.3(aEstimated Indebtedness 2.6(c)(i) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Estimated Working Capital Adjustment 1.4(d)(ii2.6(c)(i) Neutral Auditors 1.4(cExchange Agent 2.9(b) NGA 2.17 Exchange Rights Agreement 2.14 Founder Subscription Agreements Introduction Holdback Shares 2.6(d) Indemnified Party 9.1(e) Indemnifying Party 9.1(e) Intended Tax Treatment Introduction Leased Real Property 4.10(a) Letter of Transmittal 2.9(c) Lockup Agreement 2.14 Merger Consideration Spreadsheet 2.6(c)(i) Non-Controlling Accredited Seller 2.9(i) OFAC 4.27 Outside Date 8.1(b)(i) Owned Real Property 4.10(b) Party 10.7(cIntroduction Pension Plans 4.16(a) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(kPersonal Information 4.28 PIPE Investment Introduction PIPE Investment Amount Introduction PIPE Investor Introduction Post-Closing Straddle Period 9.9(c) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble PartPost-Year Fraction 10.5(aSigning Matters 6.18 Pre-Closing Straddle Period 9.8(c) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(iTax Periods 9.8(a) Purchase Price 1.2 Principal Seller 9.5 Privacy Requirements 4.28 Registration Rights Agreement 2.14 Related Party 2.14 Resolution Transaction 4.17 Releasee 9.9 RSU 2.7(a)(iii) Sanctions 4.27 Security Breach 4.28 Seller Introduction Seller Excluded Representation 9.1(a)(i) Seller Fundamental Representations 9.1(a)(i) Sellers’ and the Company’s Contractual Representations 4.34 Sellers’ and the Company’s Extra Contractual Representations 4.34 Sellers’ Counsel 10.15(a) Sellers’ Representative Introduction SPAC Introduction SPAC Board Recommendation 6.10(b) SPAC Closing Cash 7.3(g) SPAC Closing Statement 3.2 SPAC Financial Statements 5.10(a) SPAC Incentive Plan 9.10 Investor Rights Agreement 2.15 Straddle Period 1.4(b9.8(c) Services Agreement 1.3(b)(iiSubscription Agreements Introduction Surrender Documentation 2.9(c) Shares Recitals Straddle Periods 10.4(bSurviving Corporation 2.1 Tax Act 10.16 Tax Representations 9.1(a)(i) Tax Controversy 10.7(aMatter 9.8(g) Tax Indemnitor 10.7(aThird Party Claim 9.1(e) Tax Records 10.1 TransCanada Agreement 7.1(hThreshold 9.1(d)(i) Viking Indenture 7.2(mUnvested Exchanged Option 2.7(a)(iii) Vested Exchanged Option 2.7(a)(ii) Welfare Plans 4.16(b)

Other Defined Terms. For the purpose of this AgreementIn addition, the following terms shall have the meanings given ascribed to them in the indicated Sections corresponding section of this Agreement: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a) Aggregate ONEOK Damages 9.3(aAcceptable Confidentiality Agreement 5.3 (c) Agreement Preamble Audits 2.6(eAllocation Dispute Resolution Period 2.10 (b) Balance Sheet 2.5(aAnnual Net Sales Statement 2.13 (a)(iv) Balance Sheet Anti-Corruption Laws 3.12 (b) Applicable Earn-Out Payment Date 2.5(a2.13 (j) Books Approvals 2.11 (a) Assignment Agreement and Records 5.2(b)(iXxxx of Sale 2.8 (a)(iv) Assumed Liabilities 2.6 Base Purchase Price 2.2 Business Current Assets 2.4 (d) Business Recitals Claim 9.7(aField 1.1 Business Financial Information 3.6 (a) Business Intellectual Property 2.4 (b) Business Permits 3.13 (d) Clearance Date 5.4 (a) Clinical Study Transfer Agreement 5.23 Closing 1.3(a) 2.3 Closing Date 1.3(a2.3 Closing Statement 2.9 (b) Closing Working Capital 1.4(aCOBRA 6.2 (d)(i) Closing Working Capital Statement 1.4(aCompeting Acquisition Agreement 5.3 (e) Common Units 3.1(e)(vConfidential Business Information 5.3 (b) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Confidentiality Agreement 7.1(h5.5 (a) Contributor 3.9 (f) Controlling Party 10.7(c10.4 (d) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property COVID-19 1.1 COVID-19 Measures 1.1 Current Representation 11.14 (a) Data Room 11.13 Designated Person 11.14 (a) Dispute Notice 2.9 (d) Dispute Resolution Period 2.9 (d) Disputed Amount 2.13 (j) Earn-Out Payment 2.13 (a)(i) Earn-Out Product Transaction 2.13 (g) EMA 1.1 Equity Plan 6.4 Estimated Adjustment Amount 2.9 (b) Exchange Act 3.4 Excluded Assets 2.5 FCPA 3.12 (b) Final Allocation 2.10 (b) Final Purchase Price 2.9 FERC 6.1 Final Closing Working Capital 1.4(c(f) Financial Statements 2.5(aGuaranteed Obligations 11.15 (a) FMV Schedules 10.10(aGuarantees 5.11 Handling 3.20 ICH 1.1 Indemnified Party 10.4 (a) Governmental Approvals 6.3(aIndemnifying Party 10.4 (a) GP Purchase Agreement 7.1(hIndependent Accounting Firm 2.9 (d) Indemnitee 9.7(aINDs 5.18 (b) 55 Indemnitor 9.7(aIP Assignments 2.8 (b)(vi) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a3.10 (a) Minimum Claim Amount 9.3(aMaterial Customers 3.10 (a)(i) Net Working Capital Adjustment 1.4(d)(iiMaterial Supplier 3.10 (a)(ii) Neutral Auditors 1.4(cMono Product 1.1 New Plans 6.2 (c) NGA 2.17 Non-Controlling Party 10.7(c10.4 (d) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(kOFAC 3.12 (l) Northern Border Credit Agreements 7.2(kOld Plans 6.2 (c) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(bOutside Date 9.1 (d) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) PrePost-Closing Period 4.1 PreRepresentation 11.15 (a) Post-Closing Taxable Statement 2.9 (c) Preliminary Jurisdictional Allocation 2.10 (a) Privileged Communications 11.14 (b) Protected Period 10.6(a)(i6.2 (a) Purchase Price 1.2 Related Proxy Statement 3.22 Purchased Assets 2.4 Purchaser Preamble Purchaser Covered Person 5.16 (b) Purchaser DC Plans 6.3 (a) Purchaser FSA Plan 6.2 (e) Purchaser Guarantor Preamble Purchaser Indemnified Parties 10.2 (a) Purchaser Taxes 10.4 (d) Quarterly Net Sales Statement 2.13 (a)(iii) Registration Approvals 1.1 Released Earn-Out Amount 2.13 (j) Restricted Parties 3.12 (l) Retained Businesses 1.1 Retained Businesses Field 1.1 Retained Business Intellectual Property 5.29 Retained IP License 2.11 (e) Retained Liabilities 2.7 Sale Process NDA 5.3 (b) Sanctioned Countries 3.12 (l) Security Breach 3.20 Seller Preamble Seller Adverse Recommendation Change 5.3 (e) Seller Board Recitals Seller Collection Fees and Expenses 9.4 (c) Seller Covered Person 5.16 (a) Seller DC Plans 6.3 (a) Seller FSA Plan 6.2 (e) Seller Indemnified Parties 10.3 (a) Seller Recommendation 3.2 (a) Seller Severance Policy 6.2 (a) Seller Stockholder Approval 3.2 (a) Seller Stockholders’ Meeting 5.4 (b) Seller Taxes 10.4 (d) Shared Contract 2.11 (c) Specified Business Contracts 2.4 (a)(ii) Specified Indemnity Claim 2.13 (j) Tax Claim 10.4 (d) Termination Fee 9.4 (a) Third Party 2.14 Resolution Period 1.4(bClaim 10.4 (a) Transaction Recitals Transaction Accounting Principles 2.9 (a) Transfer Taxes 7.3 Transferred FSA Balances 6.2 (e) Transferred Inventory 2.4 (e) Transferred Tangible Personal Property 2.4 (c) Transition Distribution Services Agreement 1.3(b)(ii5.26 Transition Services Agreement 2.8 (a)(iii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(mWorking Capital Determination Schedule 2.9 (a)

Other Defined Terms. For In addition to the purpose of terms defined in the Recitals to this AgreementAgreement and Section 1.1, the following terms shall have the meanings given defined for such terms in the indicated Sections of this Agreementset forth below: INDEX Term Section 1935 Act 2.17 Accounting Firm 3.1 Actions 5.13 Adjusted Reserves 5.29 Adjustments 3.1 Aggregate Northern Border Damages 9.3(aSettlement Amount 3.3(c)(i) Aggregate ONEOK Damages 9.3(aBuyer Payment 7.15 Buyer’s Accountants 3.1 Buyer Employees 7.19 Buyer 401(k) Agreement Preamble Audits 2.6(e) Plan 7.17 Closing 4.1 Closing Date 4.1 Closing Adjusted Net Worth 3.1 Closing Date Balance Sheet 2.5(a) Balance Sheet Date 2.5(a) Books and Records 5.2(b)(i) Business Recitals Claim 9.7(a) Closing 1.3(a) 3.1 Closing Date 1.3(aIncome Statement 3.1 Closing Date Financial Statement 3.1 Computer Software 5.4(b) Closing Working Capital 1.4(a) Closing Working Capital Statement 1.4(a) Common Units 3.1(e)(v) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(hConfidential Information Art. X Consulting Agreements 4.3(c) Controlling Party 10.7(cShareholder Art. X Damages 11.3(a) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Deferred Purchase Price 2.1 Developments Art. X Difference 7.14(c) Dismissal of the Bankruptcy Proceeding 6.9 Employee Plan 5.24(a)(i) Endorsement Allonges 9.13 Environmental Claims 5.23(f)(ii) Environmental Conditions 5.23(f)(iii) ERISA 5.24(a)(ii) ERISA Affilliate 5.23(f)(iii) Environmental Laws 5.23(f)(i) Facility Side Letters 4.3(d)) Final Order 6.9 Gross Up Amount 7.14 Hazardous Substances 5.23(f)(iv) Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(cRights 5.4 Indemnification Amount 2.14 Indemnification Escrow Agreement 2.2(a) Financial Statements 2.5(a) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) IRS 7.17 2004 Interim Financial Statements 6.12 KCC Consent 7.1(g7.5 KERP 7.15 KERP Payment 7.15 Leased Property 5.5 Line of Credit 5.30 Line of Credit Maximum Amount 5.30 Litigation Escrow 7.9 8 MJ GeneWorks 401(d) License Period 6.9 Material Contracts 2.10(aPlan 7.17 Multiemployer Plan 5.24(a)(iv) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 New Products 5.4 Non-Controlling Party 10.7(ccompetition Period Art. X PBGC 5.24(a)(v) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(kPension Plan 5.24(a)(vi) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(iPersonnel 5.9(c)(i) Purchase Price 1.2 Related 2.1 Section 338(h)(10)Election 7.14 Senior Executive Dispute Schedule 5.13 Severance Costs 7.19 Shareholders’ Accountants 3.1 Sharehlders’ Loans 7.12 Simson Agreement 11.3(d) Simson Litigation 11.3(a) Territory Art. X Third-Party 2.14 Resolution Purchaser 7.19 30-Day Transfer Preparation Period 1.4(b7.19 Transfer 7.19 Transfer Net Profit 7.19 Transferred Assets 7.19 Warn Act 7.6(a) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(mWelfare Plan 5.24(a)(viii)

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given are defined in the indicated Sections of this Agreement: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(asections indicated. $1.60 Warrant 1.5(a)(iv) Aggregate ONEOK Damages 9.3(a$2.00 Warrant 1.5(a)(v) Acquired Assets 1.1 Acquired Records 1.1(c) Agreement Preamble Audits 2.6(epreamble Applicable Date 3.5(b) Assigned Leases 1.1(j) Assumed Contracts 1.1(a) Assumed Liabilities 1.3 Balance Sheet 2.5(a3.5(a) Balance Sheet Date 2.5(a3.5(a) Books and Records 5.2(b)(iBasket 6.4(a) Bxxx of Sale 2.2(a) Business Recitals Intellectual Property 1.1(e) Cap 6.4(c) Claim 9.7(aNotice 6.5(d) Closing 1.3(a) 2.1 Closing Date 1.3(a2.1 Disclosure Schedule Article III Equipment Lease 1.5(a)(ii) Closing Working Capital 1.4(a) Closing Working Capital Statement 1.4(a) Common Units 3.1(e)(v) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(h) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Excluded Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c) 1.2 Excluded Liabilities 1.4 Financial Statements 2.5(a3.5(a)(ii) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(aHistorical Financials 3.5(a)(ii) Interim Financial Statements 6.12 KCC Consent 7.1(gFinancials 3.5(a)(i) License Period 6.9 Inventories 1.1(b) Material Contracts 2.10(a3.4(a) Minimum Claim Amount 9.3(aMaterial Customers 3.16(a) Material Suppliers 3.16(b) notice 8.3 Net Value 1.5(a)(i) Net Working Capital Adjustment 1.4(d)(iiValue Statement 1.6(a) Neutral Auditors 1.4(cNote 1.5(a)(i) NGA 2.17 Non-Controlling Party 10.7(cNotice of Disagreement 1.6(b) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(ipreamble Permits 1.1(f) Purchase Price 1.2 Related 1.4(a)(ii) Purchase Price Allocation Schedule 1.8 Purchaser preamble Purchaser Balance Sheet 4.6(c) Purchaser Indemnitees 6.2 Purchaser Preferred Stock 4.2 Purchaser SEC Documents 4.6(a) Seller preamble Seller Indemnitees 7.3 Special Representations 7.1 Survival Period 6.1 Termination Date 8.1(d) Third Party 2.14 Resolution Period 1.4(bIntellectual Property 3.9(a) Services Agreement 1.3(b)(iiTransfer Taxes 7.3 Transferred Employees 5.11 Warrants 1.5(a)(v) Warrant Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m1.5(a)(v)

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given assigned to such terms in the indicated Sections of this Agreementset forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a) Aggregate ONEOK Damages 9.3(a---- ------- Accounting Arbitrator 2.04(d) Agreement Preamble Audits 2.6(eApplicable Amount 6.05(c) Balance Sheet 2.5(aArbitrator 11.13(a) Balance Sheet Date 2.5(aAssumed Contracts 2.02(a)(ii) Books and Records 5.2(b)(iAssumed Employees 6.01(d) Business Recitals Claim 9.7(aAssumed Liabilities 2.02(a) Benefit Gap Payment 6.05(a) Benefit Plans 3.12(a) Certificate 6.05(b) Closing 1.3(a2.05 Closing Date 2.05 Closing Accounts Receivable 2.04(a) Closing Deferred Revenue 2.04(a) Liability Closing Specified Liabilities 2.04(a) Competitive Activities 5.03(a) Competitive Products 5.03(a) Confidentiality Agreement 5.05(a) Current Bonus Cycle 6.05(c) Customer Contracts 3.15(a)(ii) Cutoff Date 1.3(a6.02(a)(vii) Closing Working Capital 1.4(aDeemed Liability Limit 3.15(b) Closing Working Capital Statement 1.4(aDispute 11.13(a) Common Units 3.1(e)(vEmployment Offer 6.01(a) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(hEuropean Specified Business 6.01(c) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Employee Final Closing Working Capital 1.4(cBonus Payment 6.05(c) Financial Statements 2.5(a3.04(a) FMV Schedules 10.10(aForeign Specified Business 6.01(b) Governmental Approvals 6.3(aEmployee ICC 11.13(a) GP Purchase Agreement 7.1(hIdentified Contracts 5.13(c) Indemnitee 9.7(aIndemnifiable Terminations 6.04(d) 55 Indemnitor 9.7(aIndemnified Party 10.05(a) Indemnity Threshold 9.3(aIndemnifying Party 10.05(a) Interim Financial Statements 6.12 KCC Consent 7.1(gLease Period 6.02(a)(iv) License Period 6.9 Leased Real Property 3.11 Loaned Employee 6.02(a)(iv) Losses 10.01 Mandatory Assumed Employee 6.04(a) Term Section ---- ------- Mandatory Business Employee 6.01(c) Material Contracts 2.10(a3.15(a) Minimum Claim Amount 9.3(aNotification Statutes 6.06 Offer Letter 6.01(a) Net Working Capital Adjustment 1.4(d)(iiParticipant 3.12(a) Neutral Auditors 1.4(cPermitted Goods and Services 5.03(a) NGA 2.17 Non-Controlling Party 10.7(cPurchaser Preamble Purchaser Indemnified Parties 10.02 Purchaser Plan 6.02(a)(viii) Northern Border Purchaser Welfare Plans 6.02(a)(ix) Purchaser's Superannuation Fund 6.03(b)(i) Refundable Transaction Taxes 7.06(b) Retained Contracts 5.13(a) Retained Liabilities 2.02(b) Retention Options 6.05(b) Retention Pool 6.05(b) SEC 5.15 Seller Preamble Northern Border Credit Agreement Amendments 7.2(kSeller Indemnified Parties 10.01 Seller's Bonus Plans 6.05(c) Northern Border Credit Agreements 7.2(kSeller's Relocation Policies 6.02(a)(xi) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(bSeller's Superannuation Fund 6.03(b)(ii) Northern Border Returns 10.4(bSpecified Assumed Liabilities 2.02(a)(v) OCC Consent 7.1(gSpecified Customer Contracts 3.15(b) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(iiStraddle Period 7.01(e) ONEOK Indemnity Cap 9.3(bSubmission Period 11.13(b) ONEOK Marks 6.9 Operating Assets 2.18(aTermination Benefit 6.03(b)(ii) Other Termination Date 9.01(b) Transaction Agreements 7.1(hTaxes 7.01(a) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(aTransferred Obligations 6.03(a)(i) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(iU.S. GAAP 2.04(e) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(bU.S. Specified Business Employee 6.01(b) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(mVesting Date 6.05(b)

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given assigned to such terms in the indicated Sections of this Agreementlocation set forth below: INDEX Defined Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aLocation Accrued Bonus 6.7(k)(ii) Aggregate ONEOK Damages 9.3(aAccrued Commissions 6.7(k)(ii) Accrued PTO 6.7(c) Acquisition Proposal 6.16 Agreement Preamble Audits 2.6(eAgreement Date Preamble Allocation Statement 3.3 Assumed Liabilities Appendix B Automatic Transferred Business Employee List 6.7(a) Balance Sheet 2.5(a) Balance Sheet Date 2.5(aBill of Sale 2.4(a)(i) Books and Records 5.2(b)(i6.6(a) Business Recitals Claim 9.7(aEmployee List 6.7(a) Buyer Preamble Buyer Benefit Plans 6.7(d) Buyer Indemnified Parties 9.1(a) Buyer Indemnified Party 9.1(a) Buyer Losses 9.1(a) Buyer Severance Policies 6.7(i) Xxxxx’s Foreign Statutory Retirement Plans 6.7(k)(i) Cap 9.2(b) Claims 6.18 Closing 1.3(a) 8.1 Closing Date 1.3(a8.1 Competing Activity 6.10(a) Closing Working Capital 1.4(aConfidentiality Agreement 6.3(b) Closing Working Capital Statement 1.4(aConsent Receipt Time 2.5(c) Common Units 3.1(e)(vContinuation Period 6.7(i) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(hData Security Requirements 4.7(a) Controlling Party 10.7(cDOJ 6.4(e) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Effective Time 8.1 Employing Entity 2.2 Entity Intellectual Property 6.7(b)(i) End Date 2.5(e) Equity Consideration 3.1 Excess Employee 6.7(r)(i) Exchange Act 6.17(c) Excluded Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(cAppendix C Excluded Contracts Appendix C Excluded Liabilities Appendix D Excluded Tax Liabilities 6.9(a)(i) Financial Statements 2.5(aForeign Continuing Employee 6.7(f) FMV Schedules 10.10(aFTC 6.4(e) Governmental Approvals 6.3(aAuthority 4.3(a) GP Purchase HSR Act 6.4(e) Independent Accountant 3.3 Information 6.12 IPMA Recitals Key Employee Offer Letters Recitals Labor Agreement 7.1(h4.12(d) Indemnitee 9.7(aLocal Transfer Agreement 2.4(a)(iv) 55 Indemnitor 9.7(aMaterial Assigned Contract 4.4(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a4.4(a) Minimum Claim Amount 9.3(aMaterial Shared Contract 4.4(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(cParties 11.17 NYSE 6.17 OFAC 4.18(b) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(aOffer Letter 6.7(b)(i) Other Transaction Agreements 7.1(hBuyer 2.1 Other Sellers 2.1 Outside Date 10.1(b) 56 Parent Preferred Stock 5.4(a) Parties Preamble Party Preamble Part-Year Fraction 10.5(aPatent Assignment 2.4(a)(ii) Potential Contributor 9.2(c) Pre-Closing Period 4.1 Pre6.1(a) Privileged Information 6.12 Privileges 6.12 Purchase Transactions Recitals Purchased Assets Appendix A RCAs 6.7(n) Releasees 6.18 Reports 5.10 Restricted Assets 2.5(b) Restricted Period 6.10(a) Restricted Rights 2.5(b) Restricted Rights Taxes 2.5(e) Restricted Split Interests 2.5(b) S-3 Indemnified Person 6.17(b) S-3 Registration Statement 6.17(a) Seller Preamble Seller Disclosure Letter Article 4 Seller Financial Information 4.11(a) Seller Indemnified Parties 9.1(b) Seller Indemnified Party 9.1(b) Seller Losses 9.1(b) Seller Names and Marks 6.13(a) Seller Released Claims 6.18 Seller Releasors 6.18 Split Interest 2.5(a) Subcontracted Work 2.5(e) Support Fund 6.7(q)(ii) Third-Closing Taxable Period 10.6(a)(iParty Claim 9.3(c)(i) Purchase Price 1.2 Related Third-Party 2.14 Resolution Period 1.4(bClaim Notice 9.3(c)(i) Services Agreement 1.3(b)(iiTop Customer 4.21 Top Supplier 4.21 Total Consideration 3.1 Trade Control Laws 4.18(c) Shares Trademark Assignment 2.4(a)(iii) Transfer Date 6.7(b)(i) Transfer Tax Returns 6.9(b)(ii) Transfer Taxes 6.9(b)(i) TSA Recitals Straddle Periods 10.4(bWARN Act 4.12(c) Tax Controversy 10.7(aWind-down License 6.13(a) Tax Indemnitor 10.7(aWithholding Party 3.5(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m)ARTICLE 2 SALE OF ASSETS AND ASSUMPTION OF LIABILITIES

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given defined for such terms in the indicated Sections of this Agreementset forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aTERM: SECTION: Accounts Receivable 4.23 Acquisition Corp. Recitals Acquisition Proposal 7.02(b) Aggregate ONEOK Damages 9.3(a) Agreement Preamble Audits 2.6(e) Balance Sheet 2.5(a) Balance Sheet Date 2.5(a) Books and Records 5.2(b)(i) Business Applicable Laws 4.14 California Fairness Hearing 3.13 California Law Recitals Claim 9.7(a) CERCLA 4.16 Claims 10.02 Closing 1.3(a) 3.10 Closing Date 1.3(a3.10 Closing Price 3.01(a)(i) Closing Working Capital 1.4(a) Closing Working Capital Statement 1.4(a) Common Units 3.1(e)(v) Companies Code Recitals Commissioner 3.13 Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(hAffiliated Group 4.13(c) Controlling Party 10.7(cCompany Certificate 3.01(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Company Common Stock Recitals Company Financial Statements 4.05 Company Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c4.11 Company Option Recitals Company Warrant Recitals Computer Systems 4.27 Confidentiality Agreement 7.02(b) Financial Statements 2.5(aDevelopment Agreements 4.30 DGCL Recitals Dissenting Shares 3.03 DOJ 7.01(e) FMV Schedules 10.10(aEffective Time 2.03 Environmental Violation 4.16 ERISA Affiliates 4.15(a) Escrow Agent 3.04 Escrow Agreement 3.04 Escrow Amount 3.04 Escrowed Shares 3.04 Exchange Act 5.04 Exchange Ratio 3.01(a) FTC 7.01(e) GAAP 4.05 Governmental Approvals 6.3(aAgency 4.07 Gross Stock Consideration 3.01(a) GP Purchase H&Q 7.01(m) Hazardous Materials 4.16 Information Statement 7.01(d) Intellectual Property 4.11 Interim Balance Sheet 4.04 Major Customers 4.22 Major Suppliers 4.22 Merger Recitals Net Stock Consideration 3.01(a) Original Agreement 7.1(hRecitals Parent Recitals Parent Certificate 3.01(c) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(ii) Shares Parent Common Stock Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m)Parent Filings 5.06

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given assigned to such terms in the indicated Sections of this Agreementthe Agreement set forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a) Aggregate ONEOK Damages 9.3(aAccounting Principles 3.4(a) Agreement Preamble Audits 2.6(eAllocation Statement 2.8 Applicable Survival Period 8.1(c) Balance Sheet 2.5(aAssigned Contracts 2.1(a) Balance Sheet Date 2.5(aAssigned Equipment 2.1(d) Books and Records 5.2(b)(iAssumed Liabilities 2.3 Assumption Agreement 2.7(a)(ii) Xxxx of Sale 2.7(a)(i) Brand Preamble Business Recitals Claim 9.7(aPreamble Buyer Preamble Buyer Closing Certificate 6.3(c) Buyer Covered Losses 8.3(b) Buyer Deductible 8.3(b) Buyer Indemnitees 8.2(a) Buyer’s Deductions 5.14(b) Cash Consideration 2.5 Closing 1.3(a) 2.6 Closing Date 1.3(a2.6 Covered Losses 8.2(b) Closing Working Capital 1.4(aDeductible 8.2(b) Closing Working Capital Statement 1.4(aEquipment 2.2(d) Common Units 3.1(e)(vExcluded Assets 2.2 Excluded Liabilities 2.4 Financial Data 3.4(a) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(hFinancing 4.5 GAAP 3.4(a) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(cAssignments 2.7(a)(iii) Financial Statements 2.5(aLosses 8.2(a) FMV Schedules 10.10(aManufacturing Agreement 2.7(a)(v) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a) Minimum Notice of Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i8.4(a) Purchase Price 1.2 Related 2.5 Purchased Assets 2.1 Registered Business Intellectual Property 3.8(a) Returned Products 2.3(e) Section 1060 Forms 2.8 Seller Preamble Seller Closing Certificate 6.2(c) Seller Disclosure Schedule Preamble to Article III Seller Disclosure Schedule Supplement 5.2(b) Seller Indemnitees 8.3(a) Seller’s Deductions 5.14(a) Third Party 2.14 Resolution Period 1.4(bClaim 8.4(a) Third Party Defenses 8.4(b) Transition Services Agreement 1.3(b)(ii2.7(a)(iv) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(mU.S. Registered Business Intellectual Property 3.8(b)

Other Defined Terms. For In addition to the purpose defined terms in Section 1.1, each of this Agreement, the following capitalized terms shall have the meanings given meaning ascribed thereto in the indicated Sections of this Agreementcorresponding Sections: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a) Aggregate ONEOK Damages 9.3(a) Agreement Preamble Audits 2.6(eAcquisition Proposal 5.10 Benefit Plan 3.2(z)(i) Balance Sheet 2.5(a) Balance Sheet Date 2.5(a) Books and Records 5.2(b)(i) Business Recitals Claim 9.7(aCap 8.4(b) Closing 1.3(aPayment 2.4 Confidentiality Agreement 5.4 Corporation Recitals Deductible 8.4(b) Closing Date 1.3(a) Closing Working Capital 1.4(a) Closing Working Capital Statement 1.4(a) Common Units 3.1(e)(v) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(h) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c) Financial Draft Statements 2.5(a) FMV Schedules 10.10(aEmployee 3.2(y)(iii) Governmental Approvals Estimated Balance Sheet Liabilities 2.3(b) Estimated Bonus Amount 2.3(b) Estimated Statements 2.3(a) Estimated Swept Cash 2.3(b) Estimated Transaction Costs 2.3(b) Estimated Total Assets 2.3(b) Excess Capital Dividends 5.2(c) Excess Eligible Dividends 5.2(b) Final Balance Sheet Liabilities 2.5(e) Term Section Final Bonus Amount 2.5(e) Final Swept Cash 2.5(e) Final Total Assets 2.5(e) Final Transaction Costs 2.5(e) Guarantor Preamble Insurance Policies 3.2(w) Joint Venture Agreement 3.2(h)(i) Leased Properties 3.2(t) Material Contracts 3.2(n)(i) Notice 9.1 Notice of Objection 2.5(c) ONHWPA 3.2(s)(x) Parent Preamble Planning Regulations 3.2(s)(v)(A) Purchase Price 2.2 Purchased Shares Recitals Purchaser Preamble Restrictive Covenants 7.3(e) Purchaser's and Parent's Closing Certificate 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border SE 9.5 Seller Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Seller Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m)Reorganization 5.2

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given defined for such terms in the indicated Sections of this Agreementset forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aAcquired Business 2.3(i) Aggregate ONEOK Damages 9.3(aAcquired Entity 2.3(e) Agreement Preamble Audits 2.6(eADSP 10.3(b) Antitrust Division 6.1(a) Benefit Plans 4.13(a) Term Section Buyer 125 Plan 6.4 Buyer Plan 4.13(a) Claim Notice 9.2(c) Closing 3.1 Closing Date 3.1 Closing Purchase Price 2.1 Company Benefit Plans 4.13(a) Company Intellectual Property 4.19(b) Company Permits 4.16(a) Company Systems 4.19(g) Competing Business 6.8(a) Competing Products 2.3(e) Delivery Date 2.3(b) DHR 11.14(a) Disputed Items 2.3(e) Earnout Final Settlement Date 2.3(c) Earnout Notice of Disagreement 2.3(c) Earnout Payoff Amount 2.3(e) Earnout Statement 2.3(b) Estimated Adjustment Amount 2.1 Estimated Closing Balance Sheet 2.5(a2.1 Estimated Closing Cash 2.1 Estimated Closing Financial Certificate 2.1 Estimated Closing Indebtedness 2.1 Estimated Overall Purchase Price Adjustment 2.1 Excess Payment 2.2(d)(i) FDA 4.16(b) FDA Cost-Sharing Covenant 6.15(b) FD&C Act 4.16(b) Final Adjustment Amount 2.2(a) Final Closing Balance Sheet Date 2.5(a2.2(a) Books and Records 5.2(b)(i) Business Recitals Claim 9.7(a) Closing 1.3(a) Closing Date 1.3(a) Closing Working Capital 1.4(a) Closing Working Capital Statement 1.4(a) Common Units 3.1(e)(v) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(h) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Term Section Final Closing Working Capital 1.4(cCash 2.2(a) Final Closing Financial Statements 2.5(aCertificate 2.2(a) FMV Schedules 10.10(aFinal Closing Indebtedness 2.2(a) Governmental Approvals 6.3(aFinal Overall Cash Purchase Price Adjustment 2.1 Final Settlement Date 2.2(b) GP Purchase Agreement 7.1(hGuaranty 11.14(b) Indemnitee 9.7(aIndemnified Claim 9.2(d) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(aInitial Cash Price 2.1 Insurance Policies 4.25 Insured Loss 9.3(b) Interim Financial Information 6.11 NJDEP 6.3(e) Non-Competition Period 6.8(b) Notice of Disagreement 2.2(b) Notice Period 9.2(c) Preliminary Allocation 10.3 Regulatory Approvals 6.1(a) Reimbursement Accounts 6.4 Restricted Party 6.8(a) Retained Earnout Amount 2.3(c) Sale Notice 2.3(j) Section 2.3(e)(X) Notice 2.3(e) Section 2.3(e)(Y) Notice 2.3(e) Seller 125 Plan 6.4 Shortfall Reduction 2.2(d)(i) Significant Customer 4.24(a) Significant Supplier 4.24(a) Surviving Covenants 9.1(b) Tax Claims 10.6 Territory 6.8(a) Third Party Claim 9.2(c) Term Section Thoratec Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a) Minimum Claim 4.9 Threshold Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Transition Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m6.12(b)

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given assigned to such terms in the indicated Sections of this Agreementlocation set forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aDefinition Location Accrued PTO 6.6(e) Aggregate ONEOK Damages 9.3(aAffected Foreign Employees 6.6(s) Agreement Preamble Audits 2.6(eAgreement Date Preamble Allocation 3.3 Assigned Contracts Appendix A Assigned Material Contract 4.5(a) Balance Sheet 2.5(a) Balance Sheet Date 2.5(a) Assumed Liabilities Appendix C Books and Records 5.2(b)(i6.5(a) Business Recitals Claim 9.7(aGuarantees 6.15 Business Real Property Appendix A Buyer Preamble Buyer Benefit Plans 6.6(m) Buyer Indemnified Parties 9.1(a) Buyer Indemnified Party 9.1(a) Buyer Losses 9.1(a) Buyer’s 401(k) Plan 6.6(q) Buyer’s FSA 6.6(o) Cap 9.2(a) Cayman IP Acquisition Preamble Closing 1.3(a) 8.1 Closing Date 1.3(a8.1 Competing Activity 6.10(a) Closing Working Capital 1.4(aCompliant Offer 6.6(a) Closing Working Capital Statement 1.4(aConfidentiality Agreement 6.2(b) Common Units 3.1(e)(v) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(h2.5(a) Controlling Party 10.7(cConflict Minerals 4.22(c) Conversion Contemplated Transactions 6.11 CPR Rules 11.12 Entities 2.2 Appendix F Continuation Period 6.6(b) Continuing Employee 6.6(a) Contributed Assets Preamble Copyright and Mask Work Assignment Agreement 2.5(a) Deductible 9.2(b) Denver LLC Agreement Preamble DHS 6.6(s) Disclosure Letter Article 4 Effective Time 8.1 Employee Accrued PTO Payment 6.6(e) Employee Census 4.12(k) Employing Entity 2.2 Entity Intellectual Property 6.6(a) Equity Consideration 3.1 Equity Consideration Cancellation 9.3(d) Equity Consideration Valuation 9.3(d) Equity Transfer Documents 3.4(a) Excluded Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(cAppendix D Excluded Employee Liabilities 6.6(j) Excluded IT Assets Appendix D Excluded Liabilities Appendix E Excluded Pending Litigation Appendix E Excluded Tax Liabilities 6.8(a)(i) Financial Statements 4.11(a) Foreign Continuing Employee 6.6(a) Government Contract 4.20 Governmental Authority 4.3(a) India Asset Purchase Preamble Information 6.12 Investors 3.2 IPMA Preamble Local Transfer Agreement 2.5(a) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 MACOM India Preamble Material Contracts 2.10(a4.5(a) Material Shared Contracts 4.5(a) Minimum Claim Amount 9.3(a9.2(b) Net Working Capital Adjustment 1.4(d)(iiModified Cap 9.2(a)(i) Neutral Auditors 1.4(cNew India Co. Preamble New Taiwan Co. Preamble Notification 6.8(g) NGA 2.17 Non-Controlling Party 10.7(cOFAC 4.22(a) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(aOffer Recipient Employee 6.6(a) Other Transaction Agreements 7.1(hAsset Sellers 2.1 Other Sellers 2.2 Other Share Sellers 2.2 Other Transfer Documents 2.5(a) 56 Parent Preamble Parties Preamble Party Preamble Part-Year Fraction 10.5(aPatent Assignment 2.5(a) PrePost-Closing Period 4.1 PreTax Action 6.8(e)(ii) Post-Closing Taxable Period 10.6(a)(iTransaction Severance Benefits 6.6(i) Privileged Information 6.12 Privileges 6.12 Products Appendix A Purchase Price 1.2 Related 3.1 Purchase Transaction Preamble Purchased Assets Appendix A Real Property Leases Appendix A Refund Recipient 6.8(e)(i) Registered Transferred IPR 4.7(a) Releasee 6.16(d) Releasors 6.16(d) Restricted Assets 2.6(a) Restricted Split Interest 2.6(d) Seller Preamble Seller 401(k) Plan 6.6(q) Seller Indemnified Party 2.14 Resolution 9.1(b) Seller Losses 9.1(b) Seller’s FSA 6.6(o) Seller-Signed Tax Returns 6.8(d)(i) Share Purchases Preamble Specified Indemnification Provision Appendix F Split Interest 2.6(c) Statutory Financial Statements 6.14 Straddle Period 1.4(bTax Returns 6.8(d)(ii) Subcontracted Work 2.6(f) Taiwan Asset Purchase Preamble Tangible Assets Appendix A Tax Attribute 6.8(e)(ii) Tax Benefit 9.2(h) Tax Return Filer 6.8(d)(iii) Third Party Claim 9.3(c)(i) Third Party Claim Notice 9.3(c)(i) Trademark Assignment 2.5(a) Transfer 2.6(a) Transfer Tax Returns 6.8(b)(v) Transferred Intellectual Property Rights Appendix A Transferred IT Assets Appendix A Transferred Real Property Assets Appendix A Transferred Technology Appendix A Transition Services Agreement 1.3(b)(iiPreamble U.S. Continuing Employee 6.6(a) Shares Recitals Straddle Periods 10.4(bU.S. Health and Welfare Transition Date 6.6(o) Tax Controversy 10.7(aVietnam Share Purchase Preamble WARN Act 6.6(b) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(mWithholding Party 3.5(a)

Other Defined Terms. For the purpose of this Agreement, the following terms shall have the meanings given in the indicated Sections of this Agreement: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a2010 Health Care Law 4.19(n) Aggregate ONEOK Damages 9.3(aAccrued Bonus Amount 6.6(f) Acquired Business 2.7(l)(xii) Acquired General Partner Interests Recitals Acquired Interests Recitals Acquired Limited Partnership Interests Recitals Acquired Management Business 2.7(l)(ix) Acquired Management Business Entities 2.7(c) Acquired Multi-Product Business 2.7(l)(xii) Acquiror Preamble Acquiror Business 2.7(l)(i) Acquiror Entity Parties 6.9(c) Acquiror Indemnitees 10.2(a) Acquiror Parties Preamble Acquiror Partnership Agreement Recitals Acquiror Party Preamble Audits 2.6(eAcquiror Tax Contest 6.12(b)(iii) Balance Sheet 2.5(aAcquiror Tax Contest Portion 6.12(b)(iii) Balance Sheet Date 2.5(aAcquiror Transaction Advisors 6.9(c) Books Adjustment Escrow Account 2.5 Affiliate Agreement 4.13 Alabama CarryCo Preamble Alabama Founder Trust Preamble Alabama New GP Recitals Alabama OpCo Preamble Alabama Tax Contest Portion 6.12(b)(ii) Allocation Notice 2.9 Alternative Transaction 6.22 Annual Cash Holdback Dispute Notice 2.6(b) Annual Cash Holdback Payment Statement 2.6(a) API Preamble API Entities Preamble API Entity Preamble API Entity Indemnitees 10.2(b) API Entity Parties 6.9(a) API GP Preamble API GP Members Preamble API Representative Parties 11.13(h) API Representative Reserves 11.13(f) API Seller Released Claims 6.15(a) API Seller Releasing Parties 6.15(a) API Sellers Preamble API Transaction Advisor 6.9(a) Bankruptcy and Records 5.2(b)(iEquity Exception 3.2(a) Term Section Benefit Continuation Period 6.6(a) Business Recitals Claim 9.7(aIT Assets 4.20(h) Capitalization Date 5.7(a) Cash Estimate 2.4(a) CEA 4.14(ii) Certain Contribution Strategy 2.7(l)(ii) Certificate of Merger 2.1(b) Change of Control 2.7(l)(iii) Claims Notice 10.4(b) Client Deficit Percentage Estimate 2.4(a) Closing 1.3(a2.2 Closing Date 2.2 Closing Form 8-K 6.4(d) Closing Date 1.3(aIndebtedness Estimate 2.4(a) Closing Working Capital 1.4(aTransactions Recitals Closing Units 2.1(d) Closing Working Capital Statement 1.4(aCombined Business Product 2.7(l)(iv) Common Units 3.1(e)(vStock 5.7(a) Companies Recitals Preamble Companies Interests 4.2(a) Company Recitals Preamble Company Subsidiary 2.2 Contribution Agreement 7.1(hReleased Claims 6.15(b) Controlling Party 10.7(cCompany Released Parties 6.15(a) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(cCompany Releasing Parties 6.15(b) Financial Statements 2.5(aCompany Software 4.20(i) FMV Schedules 10.10(aContinuing Employees 6.6(a) Governmental Approvals 6.3(aCovered Matter 6.9(a) GP Purchase Agreement 7.1(hData Room 11.3 Xxxxx Xxxx 6.9(c) Indemnitee 9.7(aDebt Financing Letters 6.21(c) 55 Indemnitor 9.7(aDeferred Compensation Plan 6.6(e) Indemnity Threshold 9.3(aDelayed Product 2.7(l)(v) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(mDOL 4.17(g)

Other Defined Terms. For In addition to the purpose defined terms set forth on Section 2 of this AgreementExhibit A, each of the following capitalized terms shall have has the meanings given meaning specified in the indicated Sections of this AgreementSection set forth opposite such term below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a) Aggregate ONEOK Damages 9.3(a) Advance Termination Notice 5.13 Agreement Preamble Audits 2.6(eAllocation 2.10(a) Balance Sheet 2.5(aAssumed Liabilities 2.03 Available Funds Agreement Recitals Available Funds L/C Recitals Bankruptcy and Equity Exceptions 3.02(a) Balance Sheet Date 2.5(aBeneficial Interest 5.08(c) Books and Records 5.2(b)(i2.01(g) Business Recitals Buyer Preamble Buyer Burdensome Condition 5.04(h) Buyer Disclosure Schedule Article IV Buyer Fundamental Representations 7.01 Buyer Required Consents 4.03(a) Buyer Termination Fee 9.02(a) Cap 8.01(c) Claim 9.7(aNotice 8.03(a) Closing 1.3(a2.08 Closing Date. 2.08 Consent 3.03(a) Closing Date 1.3(aConsent Required-Warranties 2.12 Deductible 8.01(b)(i) Closing Working Capital 1.4(aDirect Claim 8.03(c) Closing Working Capital Statement 1.4(aEmergency Preparedness Agreements 2.01(l)(ii) Common Units 3.1(e)(vEntergy Recitals Entergy Name and Marks 2.02(g) Companies Excluded Assets 2.02 Excluded Liabilities 2.04 Facility Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(hFiling 3.03(a) Controlling Party 10.7(cIndemnified Buyer Entities 8.01(a) Conversion Transactions 6.11 CPR Rules 11.12 Indemnified Entity 8.03(a) Indemnified Seller Entities 2.2 8.02(a) Indemnifying Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c8.03(a) Financial Statements 2.5(aInsurance Policies 3.20 IT Transition 5.09(b) FMV Schedules 10.10(aLegal Restraint 6.01(c) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a3.07(a) Minimum Claim Amount 9.3(a8.01(b)(ii) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Nine Mile Termination Notice 5.13 Non-Controlling Party 10.7(cAssigned Contracts 2.02(l) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(kNon-Transferred Asset 5.05 Non-Transferred Liability 5.05 NRC Financial Assurances 5.04(h) Northern Border Credit Agreements 7.2(kObservers 5.03(a) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(bOutside Date. 9.01(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble PartPre-Year Fraction 10.5(aClosing Contractual Liabilities. 2.03(b) Pre-Closing Period 4.1 Refueling Buyer Burdensome Condition 5.06(d) Pre-Closing Taxable Period 10.6(a)(iRefueling Seller Burdensome Condition 5.06(c) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b2.06(a) Services Agreement 1.3(b)(iiReal Property 2.01(a) Shares Reports 3.14 Required Consents 4.03(a) Reversal Event 5.06(e) Reversal Notice 5.06(e) Schedule of Ruling Amounts 3.19(b) Schedule Update 5.07 Seller Preamble Seller Burdensome Condition 5.04(f) Seller Disclosure Schedule Article III Seller Entities Recitals Straddle Periods 10.4(bSeller Fundamental Representations 7.01 Seller Required Consents 3.03(a) Seller Tax Representations 7.01 Seller Termination Fee 9.02(b) Signing Fee 2.05 Specified Shared Contracts 2.01(m) Tax Controversy 10.7(aClaim. 10.05 Termination Event 9.01 Transaction Recitals Transferable Permits 2.01(d) Transferee Party 5.05 Transferor Party 5.05 Transferred Assets 2.01 Transfer Tax Indemnitor 10.7(aValuation 2.10(b) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(mTransition Committee 5.09(b)

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given defined for such terms in the indicated Sections of this Agreementset forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aAdjusted Initial Stock Consideration 2.10(c)(iii) Aggregate ONEOK Damages 9.3(aAdjustment Amount 2.10(c)(iii) Agreement Preamble Audits 2.6(eBG&E 4.2(a)(xvi) Balance Sheet 2.5(aByLaws 5.5 Cap Amount 2.14(d)(i) Balance Sheet Date 2.5(aCash Consideration 2.5(b)(i) Books and Records 5.2(b)(i) Business Recitals Claim 9.7(aCertificate of Incorporation 5.5 Closing 4.1 Closing Consideration Schedule 8.9 Closing Payment Certificate 2.8 Closing Per Share Stock Consideration 2.5(b)(iii) Closing 1.3(aStatement 2.10(a) Closing Company Preamble Company Change Objection 2.13(b) Company Change Objection Statement 2.13(b) Term Section Company Review Representative 2.13(b) DGCL Recitals Dispute Notice 2.14(b) Dissenting Shares 2.6(a) Dissenting Stockholder 2.6(d) DLLCA Recitals Domain Names 5.13(b) Earn-Out Determination Date 1.3(a2.14(d)(ii) Closing Earn-Out Expiration Date 2.13(g) Earn-Out Payment 2.13(a) Effective Time 2.2 ERISA 5.15(a) Escrow Account 2.9 Escrow Amount 2.9 Escrow Shares 2.9 Estimated Net Working Capital 1.4(aAmount 2.8 Excess Dissenting Share Payments 2.6(c) Closing Working Capital Excess Licensing Fees 2.14(d)(iii) Excess Licensing Fees Statement 1.4(a2.14(b) Common Units 3.1(e)(vXxxxxx Employment Agreement 4.2(a)(xiv) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(hFeasibility Completion Date 2.13(c) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(cPerformance Criteria 2.13(c) Financial Statements 2.5(a5.7 First Step Merger Recitals Fundamental Representations 12.2(c)(ii) FMV Schedules 10.10(aFundamental Transaction 2.17 Incremental Startup Investment 2.13(k)(i) Governmental Approvals 6.3(aIndemnified Party 12.5(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(aIndemnifying Party 12.5(a) Indemnity Threshold 9.3(aPayouts 2.14(d)(iv) Interim Financial Statements 6.12 KCC Consent 7.1(gIndependent Auditor 2.10(b) Independent Engineer 2.13(a) Initial Stock Consideration 2.5(b)(ii) Term Section Initial Surviving Corporation 2.1 Licensing Fees 2.14(d)(v) Maximum Earn-Out Payment 2.13(k)(ii) Merger Recitals Merger Sub Preamble Objections Statement 2.10(b) Outstanding Common Stock Number 2.5(b)(iv) Parent Preamble Parent Documents 7.2 Parent Fundamental Representations 12.3(b)(i) Parent Indemnified Parties 12.2(a) Parent Proposed Change 2.13(b) Parent Proposed Change Statement 2.13(b) Parent Registration Statement 2.11(a) Parent SEC Documents 7.10 Performance Criteria 2.13(a) Performance Criteria Percentage 2.13(k)(iii) Permitted Objection 2.14(b) Principal Stockholder Preamble Proposed Final Performance Criteria 2.13(c) Proposed Final Performance Criteria Statement 2.13(c) Qualified License Period 6.9 Material Contracts 2.10(aAgreement 2.14(d)(vi) Minimum Claim Qualified Licensing Fees 2.14(d)(vii) Real Property Lease 5.11(b) Registrable Payoff Amount 9.3(aShares 2.11(a) Net Working Capital Adjustment 1.4(d)(iiRegistrable Stock Consideration 2.11(a) Neutral Auditors 1.4(cRestricted Stockholders 11.1 Second Step Certificate of Merger 2.12(c) NGA 2.17 Non-Controlling Party 10.7(cSecond Step Effective Time 2.12(c) Northern Border Second Step Merger Recitals Second Merger Sub Preamble Northern Border Credit Agreement Amendments 7.2(kShares 2.5(b)(i) Northern Border Credit Agreements 7.2(kSilvaGas Gasifier 2.13(a) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(bTerm Section Stockholders Preamble Stockholder Indemnified Parties 12.3(a) Northern Border Returns 10.4(bStockholder Representative Preamble Stockholder Transmittal Letter 2.7(a) OCC Consent 7.1(gStock Certificates 2.7(a) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(bSurvival Date 12.1 Surviving Company 2.12(a) Tax Controversy 10.7(aClaim 8.7(e) Tax Indemnitor 10.7(aTechnical Review Committee 2.13(b) Tax Records 10.1 TransCanada Third-Party Claim 12.5(a) Threshold 12.2(c)(ii) Transaction Recitals Transfer 8.8(b) Transfer Taxes 8.7(i) Voting Debt 5.3(b) Weeks Employment Agreement 7.1(h4.2(a)(xv) Viking Indenture 7.2(m)Written Consent 8.10

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given assigned to such terms in the indicated Sections of this Agreementthe Agreement set forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aAction 3.16 Additional Financial Statements 5.14 Agent 5.10 Agreement Preface Applicable Survival Period 9.1(c) Aggregate ONEOK Damages 9.3(aArbitration Firm 2.10(c) Agreement Preamble Audits 2.6(eAudited Financial Statements 3.6(a) Auditor 5.14 Balance Sheet 2.5(a3.6(b) Balance Sheet Date 2.5(a3.6(b) Books and Records 5.2(b)(iCap 9.2(c) Business Recitals Claim 9.7(aCertificates 2.3 Charter Documents 3.1(b) Closing 1.3(a) 1.2 Closing Date 1.3(a) 1.2 Closing Working Capital 1.4(a2.10(b) Closing Code 2.9 Common Stock Merger Consideration 2.1 Company Preface Company Common Stock 2.2(a) 50 Company Intellectual Property 3.13(f) Company Option Plan 2.4 Company Owned Intellectual Property 3.13(c) Company Owned Software 3.13(n)(i) Company Preferred Stock 3.2(a) Company Registered Items 3.13(g) Company Stockholder Approval 3.4(b) Company Stockholders 2.6 Confidential Information 2.10(d) Confidentiality Agreement 5.2 Consents 3.5(a) Contaminant 3.13(n)(v) Copyrights 3.13(a) Disabling Code 3.13(n)(v) Dissenting Share Payments 2.8(b) Dissenting Shares 2.8(a) Document Production 3.13(b) Domain Names 3.13(a) Effective Time 1.2 Employee Benefit Plan 3.17(a) Estimated Working Capital Statement 1.4(a2.10(a) Common Units 3.1(e)(v) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(h) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Estimated Working Capital 1.4(cClosing Adjustment 2.10(a) Exchange Act 4.4(b) Final Working Capital 2.10(c) Financial Statements 2.5(a3.6(a) FMV Schedules 10.10(aFIRPTA Certificate 5.12 Fundamental Representations and Warranties 9.1(b) Governmental Approvals 6.3(aGAAP 3.6(b) GP Purchase Agreement 7.1(hIn-Bound Licenses 3.13(d) Indemnitee 9.7(aIndemnification Threshold 9.2 Indemnitors 9.2 Intellectual Property 3.13(a) 55 Indemnitor 9.7(aIntellectual Property Rights 3.13(a) Indemnity Threshold 9.3(aInterim Balance Sheet 3.6(b) Interim Balance Sheet Date 3.6(b) Interim Financial Statements 6.12 KCC Consent 7.1(g3.6(a) License Interim Parent Note 2.1 IRS 3.17(a) Landlord 5.5 Liabilities 3.7 Liens 3.3(a) Losses 9.2(a) Marks 3.13(a) Merger 1.1 Merger Consideration 2.1 Merger Sub Preface Net Asset Statement 2.10(b) Net Proceeds 9.6 Nondisclosure Agreements 3.13(j) Notice of Claim 9.3 NRS 1.1 Optionholder 2.4 Out-Bound Licenses 3.13(e) Parent Preface Parent Indemnitees 9.2 Parent Preferred Stock 4.2 Patents 3.13(a) Per Share Cash Merger Consideration 2.2(a) Per Share Stock Merger Consideration 2.2(a) Permitted Liens 3.11 Principal Stockholders Recital Proposal 5.10 Proprietary Information 3.13(a) Public Software 3.13(n)(vi) Real Estate Lease 5.5 Registration Period 6.9 Material Contracts 5.13 Representatives 5.2 52 SEC 4.5 Securities Act 4.5(a) Software 3.13(a) Stockholders’ Representative Preface Surviving Corporation 1.1 Systems 3.13(n)(v) Target Working Capital 2.10(a) Minimum Tax 3.18(a)(i) Tax Returns 3.18(a)(ii) Taxing Authority 3.18(a)(iii) Terminated Employees 5.4(a) Third Party Claim Amount 9.3(a) Net Third Party Defense 9.3(b) Transmittal Letter 2.3(a) Treasury Shares 2.1(a)(i) Tucows Common Stock 2.1 Parent Note 2.1 Tucows Party 4.1 Tucows Parties 4.1 Tucows SEC Reports 4.5(a) Warranty Losses 9.2 Work Product Agreements 3.13(k) Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m2.10(a)

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given defined for such terms in the indicated Sections of this Agreementset forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aAcquisition Proposal 6.6(a) Aggregate ONEOK Damages 9.3(a) Articles of Merger 2.2 Agreement Preamble Audits 2.6(eAntitrust Law 6.7(b) Balance Sheet 2.5(a7.2(c) Balance Sheet Date 2.5(a7.2(c) Books and Records 5.2(b)(iBenefit Plans 4.13(a) Business Board of Directors Recitals Claim 9.7(aBoard Recommendation 4.2 Capitalization Date 4.5(a) Certificate 3.5(b) Certificate of Merger 2.2 Closing 1.3(a) 2.2 Closing Date 1.3(a2.2 Commitment Letters 5.6 Company Preamble Company Common Stock 3.1(a) Closing Working Capital 1.4(aCompany Disclosure Letter Article IV Company Personnel 6.1(a) Closing Working Capital Costs 6.9(a) Dissenting Shares 3.4(a) DOJ 6.7(b) Effective Time 2.2 Environmental Laws 4.17(b) Environmental Permits 4.17(b) ERISA Affiliate 4.13(c) Excluded Shares 3.1(a) Existing Credit Facility 6.12 Financing 5.6 Foreign Plans 4.13(a) FTC 6.7(b) Indemnified Directors and Officers 6.9(a) Infringement 4.16(b)(iii) Key Employee 7.2(f) Leased Real Property 4.15(b) Licenses 4.11(a) Material Contract 4.10(b) Materials of Environmental Concern 4.17(b) Merger Recitals Merger Consideration 3.1(a) Merger Sub Preamble Term Section NASDAQ 4.4 Owned Real Property 4.15(a) Parent Preamble Payee 8.2(f) Paying Agent 3.5(a) Payor 8.2(f) Proxy Statement 1.4(a6.4(a) Common Units 3.1(e)(vReal Property Lease 4.15(b) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(hRegulation S-K 4.7(b) Controlling Party 10.7(cRegulation S-X 4.7(a) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(cRepresentatives 6.6(a) Financial Statements 2.5(aRequisite Stockholder Vote 4.2 Xxxxxxxx-Xxxxx Act 4.11(b) FMV Schedules 10.10(aSEC 3.5(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(iiSEC Reports 4.7(a) Shares Recitals Straddle Periods 10.4(b3.1(a) Tax Controversy 10.7(aStockholders Meeting 6.3 Superior Proposal 6.6(a) Tax Indemnitor 10.7(aSurviving Corporation 2.1 Termination Date 8.1(c) Tax Records 10.1 TransCanada Agreement 7.1(hTermination Fee 8.2(b) Viking Indenture 7.2(mWARN 4.14(b)

Other Defined Terms. For the purpose of this AgreementIn addition, the following terms shall have the meanings given ascribed to them in the indicated Sections corresponding section of this Agreement: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aAccounting Firm 2.10(d) Aggregate ONEOK Damages 9.3(aAccounting Principles 2.10(b) Adjustment Determination Date 2.9(e) Adjustment Review Period 2.9(c) Adjustment Standard 2.9(b) Adjustment Statement 2.9(b) Agreement Preamble Audits 2.6(e) Balance Sheet 2.5(a) Allocation Schedule 2.11 Approvals 2.12 Assumed Liabilities 2.6 Balance Sheet Date 2.5(a) Books and Records 5.2(b)(i3.5 Business Recitals Business Balance Sheet 3.5 Business Financial Statements 3.5 Business Intellectual Property 2.4(b) Business Recitals Claim 9.7(aPermits 3.12(b) Business Tangible Property 2.4(d) Cap 9.2(a) Closing 1.3(a) 2.3 Closing Date 1.3(a2.3 Closing Statement 2.10(b) Confidentiality Agreement 5.3(b) De Minimis Claim 9.2(b) Deductible 9.2(b)(i) Determination 2.10(e) Determination Date 2.10(f) Discussion Period 2.9(d) Dispute Notice 2.9(d) Excluded Assets 2.5 Fundamental Representations 9.1(a) General Assignment and Xxxx of Sale 2.8(a)(v) Identified Employee 5.13(b) Indemnified Party 9.4(a) Indemnifying Party 9.4(a) Inventory 2.4(f) Key Employee 5.13(a) Lease 3.10 Material Contracts 3.11(a) Material Customers 3.19(a) Material Suppliers 3.19(b) Names 5.8(a) Original Phase I Assessment 5.8(a) Outside Date 8.1(d) Post-Closing Statement 2.9(c) Proprietary Information License Agreement 2.8(a)(iii) Purchased Assets 2.4 Purchaser Preamble Purchaser Indemnified Parties 9.2(a) Purchaser Material Adverse Effect 4.1 Purchaser Proposed Adjustment 2.9(a) Purchaser’s Allocation 2.11 QOE 2.9(a) Resale Certificate 2.8(a)(vi) Retained Liabilities 2.7 Retention Bonus Amount 5.6(a) Review Period 2.10(c) Sample Closing Statement 2.10(a) Seller Preamble Seller Indemnified Parties 9.3(a) Seller Proposed Adjustment 2.9(b) Seller’s Allocation Notice 2.11 Shortfall Certificate 5.15(a) Shortfall Dispute Notice 5.15(a) Shortfall Review Priod 5.15(a) Third Party Claim 9.4(a) Transaction Recitals Transfer Taxes 6.2 Transferred Employees 5.6(a) Transition Services Agreement 2.8(a)(iv) Working Capital 1.4(a) Closing Working Capital Statement 1.4(a) Common Units 3.1(e)(v) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(h) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c) Financial Statements 2.5(a) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i) Adjusted Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m2.10(g)

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given assigned to such terms in the indicated Sections of this Agreementlocation set forth below: INDEX Defined Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aLocation Accountant’s Determination 6.9(e)(ii) Aggregate ONEOK Damages 9.3(aAcquisition Entities 2.8(c) Acquisition Proposal 6.21 Affected Foreign Employees 6.7(r) Affiliate Payments 5.12(a) After-Acquired Business Real Property Appendix A Agreement Preamble Audits 2.6(eAgreement Date Preamble Allocation Statement 3.3 Alternative Structure Notice 10.1(b) Balance Sheet Anti-Corruption Laws 4.18(a) Antitrust Order 6.4(b) Arion Preamble Arion Benefit Plans 6.7(m) Arion Business Real Property 5.14(a) Arion Disclosure Letter Article 5 Arion Entities Preamble Arion Financial Statements 5.11(a) Arion Incentive Plan 6.7(d) Arion Indemnified Parties 9.1(a) Arion Indemnified Party 9.1(a) Arion Interim Financial Statement Date 5.11(a) Arion Liability Limitation 10.2 Arion Losses 9.1(a) Arion Material Contracts 5.5(a) Arion Opco Preamble Arion Option Plan 5.4(b) Arion Pre-Closing Restructuring Steps 2.8(b) Arion Registered IPR 5.7(a) Arion Related Parties 10.3(d) Assigned Contracts Appendix A Assigned Lease Agreements 2.5(a) Balance Sheet Date Assigned Leased Properties Appendix A Assumed Liabilities Appendix C Attributable Accrued Bonus Amount 6.7(p) Base Purchase Price 3.1 Xxxx of Sale 2.5(a) Books and Records 5.2(b)(i6.6(a) Business Recitals Claim 9.7(aGuarantees 6.18 Business Indemnitees 6.10(a) Business Leases Appendix A Business Real Property Appendix A Calculation Principles 3.2(b) Closing 1.3(a8.1 Closing Business Cash 3.5(a) Closing Business Indebtedness 3.5(a) Closing Date 1.3(a8.1 Closing Sphinx Transaction Expenses 3.5(a) Closing Working Capital 1.4(aStatement 3.5(a) Closing Working Capital Statement 1.4(aTransaction Expenses 3.5(a) Common Units 3.1(e)(vCompeting Activity 6.11(a) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Compliant Offer 6.7(b) Confidentiality Agreement 7.1(h6.3(b) Controlling Party 10.7(cConsent Receipt Time 2.6(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Continuation Period 6.7(c) Continuing Employee 6.7(b) D&O Indemnity Arrangements 6.10(a) Debt Financing 5.12(a) Debt Financing Commitment 5.12(a) 21 Delayed Transfer Condition 2.7(b) Determination Date 3.5(f) DHS 6.7(r) Disclosure Letters Article 5 Discontinued Products Appendix A Dispute Notice 3.5(c) Effective Time 8.1 Employing Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final 6.7(c) Equity Consideration 3.1 Equity Transfer Documents 3.4(a) Estimated Business Cash 3.2(b) Estimated Business Indebtedness 3.2(b) Estimated Closing Working Capital 1.4(c) Financial Statements 2.5(a) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Working Capital 3.2(b) Estimated Closing Statement 3.2(b) Estimated Sphinx Transaction Expenses 3.2(b) Estimated Transaction Expenses 3.2(b) Excess Cash 3.5(i) Excluded Assets Appendix D Excluded Contracts Appendix D Excluded Copyrights Appendix D Excluded Employee Liabilities 6.7(j) Excluded Liabilities Appendix E Excluded Other IP Appendix D Excluded Tax Liabilities 6.9(a)(i) Excluded Technology Appendix D Excluded Trademarks Appendix D Fee Letters 5.12(b) Final Business Cash 3.5(f) Final Business Indebtedness 3.5(f) Final Cash Consideration 3.5(f) Final Closing Net Working Capital 3.5(f) Final Closing Statement 3.5(f) Final Sphinx Transaction Expenses 3.5(f) Final Transaction Expenses 3.5(f) Final Working Capital Adjustment 1.4(d)(iiAmount 3.5(f) Neutral Auditors 1.4(cForeign Continuing Employee 6.7(b) NGA 2.17 Governmental Authority 4.3(a) Governmental Consent 6.4(a) Guarantors Recitals Inactive Employee 6.7(b) Independent Accountant 3.3 Information 6.13 Limited Guarantees Recitals 22 Local Transfer Agreement 2.5(a) Material Assigned Contract 4.5(a) Material Shared Contract 4.5(a) Negative Adjustment Amount 3.5(g) New Lease Agreements 2.5(a) Non-Controlling Party 10.7(cCompete Period 6.11(a) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(kNotification 6.9(f) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(aOffer Recipient Employee 6.7(b) Other Transaction Agreements 7.1(hArion Entity 2.1 Other Asset Sphinx Entities 2.1 Other Share Sphinx Entities 2.2 Other Sphinx Entities 2.2 Outside Date 10.1(b) 56 Parties Preamble Party Preamble PartPatent Assignment 2.5(a) Permitted PKI Offerings 6.11(b)(ii) Personal Information 4.7(k) PKI 4.7(m) Positive Adjustment Amount 3.5(g) Post-Year Fraction 10.5(aClosing Operating Cash 5.12(a) Post-Closing Tax Action 6.9(d)(ii) Potential Contributor 9.2(b) Pre-Closing Period 4.1 Claims 6.8 Pre-Closing Taxable Tax Returns 6.9(c)(i) Preliminary Allocation 3.3 Preliminary Transition Service Schedules 6.17(a) Prepayment 5.12(a) Privileged Information 6.13 Privileges 6.13 Products Appendix A Purchase Transactions Recitals Purchased Assets Appendix A Qualifying Termination 6.7(h) Real Property Leases 2.5(a) Registered Transferred IPR 4.7(a) Requested Sphinx Restructuring Steps 2.8(c) Required Amount 5.12(d) Required Financial Information 6.15 Restricted Assets 2.6(b) Restricted Rights 2.6(b) Restricted Split Interests 2.6(b) Scheduled Guarantees 6.18 SEC 4.3(a) Separate Transfer Business 2.7 Separate Transfer Date 2.7(c) Separate Transfer Jurisdiction 2.7 Similar Benefits 6.7(c) Specified Breach 10.3(b) Sphinx Preamble Sphinx 401(k) Plan 6.7(o) Sphinx Disclosure Letter Article 4 Sphinx Foreign Benefit Plan 4.12(k) Sphinx Indemnified Parties 9.1(b) Sphinx Indemnified Party 9.1(b) Sphinx Losses 9.1(b) Sphinx Material Contracts 4.5(a) Sphinx Open Positions 6.1(a)(xvi) Sphinx Pre-Closing Restructuring 2.8(c) Sphinx Pre-Closing Restructuring Steps 2.8(a) Sphinx Retained Taxes Appendix E Sphinx Severance Agreements 6.7(h) Sphinx Severance Policies 6.7(i) Sphinx Unaudited Financial Statements 4.11(a) Split Interest 2.6(a) Straddle Period 10.6(a)(iTax Returns 6.9(c)(ii) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(bSubcontracted Work 2.6(e) Services Agreement 1.3(b)(iiSubcontracted Work Indemnity 2.6(e) Shares Recitals Straddle Periods 10.4(bSublease Agreements 2.5(a) Subleased Properties Appendix A Tangible Assets Appendix A Tax Attribute 6.9(d)(ii) Tax Controversy 10.7(aClaim 6.9(f) Tax Indemnitor 10.7(aReturn Filer 6.9(e)(ii) Termination Fee 10.3(b) Third-Party Claim 9.3(c) Total Consideration 3.1 Trademark Assignment 2.5(a) Transaction Committee 2.9 Transaction Committee Activities 2.9 Transaction Severance Benefits 6.7(h) Transfer 2.6(b) Transfer Tax Records 10.1 TransCanada Agreement 7.1(hReturns 6.9(b)(ii) Viking Indenture 7.2(mTransfer Taxes 6.9(b)(i) Transferred Intellectual Property Rights Appendix A Transferred Patents Appendix A Transferred Technology Appendix A U.S. Continuing Employee 6.7(b) WARN Act 4.12(c) Withholding Party 3.6(a)

Other Defined Terms. For the purpose of The following capitalized terms are defined in this Agreement, the following terms shall have the meanings given Agreement in the Section indicated Sections of this Agreementbelow: INDEX Defined Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a1060 Forms 3.4 Accounts Payable Statement 3.3(a) Aggregate ONEOK Damages 9.3(a) Acquired Businesses 1.1 Acquisition Recitals Agreement Preamble Audits 2.6(eAmendment Date Preamble Assumed Liabilities 2.3(a) Balance Sheet 2.5(aBuyer Preamble Buyer Expenses 9.2(c) Balance Sheet Buyer Indemnified Party 10.1(a) Buyer Losses 10.1(a) Change in Company Recommendation 5.3(b) Claim Notice 10.3 Closing 7.1 Closing Date 2.5(a) Books and Records 5.2(b)(i) Business Recitals Claim 9.7(a) 7.1 Closing 1.3(aDate Cash Statement 3.3(a) Closing Date 1.3(aNet Working Capital 3.2(b) Closing Working Capital 1.4(a) Closing Date Net Working Capital Statement 1.4(a3.3(a) Common Units 3.1(e)(vClosing Statement 3.3(a) Companies Company Preamble Company Indemnified Party 10.1(b) Company Losses 10.1(b) Company Plans 4.1(o) Company SEC Documents 4.1(g) Company Special Meeting 5.7(b) Consents 2.5 Consumables Business Recitals Company Consumables Business Balance Sheet 2.3(a) Deficiency 3.3(d) Designated Purchasers Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(hEscrow Funds 3.2(a) Controlling Party 10.7(cExcluded Assets 2.2(b) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(cExcluded Liabilities 2.3(b) Financial Statements 2.5(a4.1(g) FMV Schedules 10.10(aForeign Benefit Plan 4.1(o) Governmental Approvals 6.3(aGrace Acquisition 10.1(a) GP Purchase Agreement 7.1(hIndemnified Party 10.3 Indemnifying Party 10.3 Indemnity Claim 10.3 Independent Accounting Firm 3.3(c) Indemnitee 9.7(aInitial Closing Escrow Period 3.2(a) 55 Indemnitor 9.7(aInventory Count 3.3(a) Indemnity Threshold 9.3(aLeader 5.1(b) Interim Financial Statements 6.12 KCC Consent 7.1(gLeased Real Property 2.2(a) License Period 6.9 Material Contracts 2.10(aLeases 4.1(i) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(mLIBOR 3.3(e)

Other Defined Terms. For the purpose of this Agreement, the The following terms shall will have the meanings given defined for such terms in the indicated Sections of this Agreementset forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a) Aggregate ONEOK Damages 9.3(aAcquired Assets 2.1 Acquired Material Contracts 4.17 Acquisition Proposal 3.4(d) Agreement Preamble Audits 2.6(eALC Act 4.11(d) ALC Consent 4.11(d) Assignment and Assumption Agreement 2.3(a) Assumed Accounts Payable 2.3(a) Assumed Contracts 2.1(e) Assumed Liabilities 2.3(a) Benefit Plan 4.14(c) Xxxx of Sale 3.6(a) Business Recitals Business Assets 2.3(b) Buyer Preamble Buyer Damages 7.2 Table of Contents Buyer Indemnifying Party 7.3 Buyer Indemnitees 7.2 Buyer Material Adverse Effect 5.1 Buyer Transaction Documents 3.7(j) Claims Notice 7.5 Closing 3.1 Closing Balance Sheet 2.5(a) Balance Sheet Closing Date 3.1 Closing Net Working Capital 2.5(a) Books and Records 5.2(b)(iClosing Purchase Amount 2.4(b) Business Recitals Claim 9.7(aConfidential Information 6.2 Consulting Agreement 3.2(g) Contracts 2.1(e) Disclosure Schedule 1.1 Disputed Amounts 2.5(c) Environment 1.1 Environmental Liability Cap 7.6(e) Environmental Liability Deductible 7.6(e) Environmental Permits 2.3(b) Environmental Representations 7.1 ETA 4.20(d) Escrow Agent 2.4(d) Escrow Agreement 2.4(d) Escrow Amount 2.4(d) Estimated Closing 1.3(aStatement 2.4(c) Closing Date 1.3(a) Closing Estimated Net Working Capital 1.4(a2.4(c) Closing Working Capital Statement 1.4(aExcluded Assets 2.2 Excluded Liabilities 2.3(b) Common Units 3.1(e)(vExclusivity Period 3.4(d) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(hExisting Environmental Condition 2.3(b) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(cFacility 2.1(b) Financial Statements 2.5(a4.6(a) FMV Schedules 10.10(aFundamental Representations 7.1 General Indemnification Cap 7.6(a) Governmental Approvals 6.3(aGST 4.20(d) GP Purchase Agreement 7.1(hHCA 4.11(e) Indemnitee 9.7(aIndemnification Threshold 7.6(a) 55 Indemnitor 9.7(aindemnified party 7.4(a) Indemnity Threshold 9.3(aIndependent Accountant 2.5(c) Interim Financial Statements 6.12 KCC Consent 7.1(gIntellectual Property 2.1(f) License Period 6.9 ILPP 4.14(f) Inventory 2.1(a) Koppers Preamble Liens 2.1 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) 4.17 Table of Contents Net Working Capital Adjustment 1.4(d)(ii2.4(c) Neutral Auditors 1.4(cObjection Notice 2.5(b) NGA 2.17 NonPermitted Liens 4.10(a) Permits 2.1(i) Post-Controlling Party 10.7(cBalance Sheet Liabilities 4.6(b) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) PrePost-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(iAdjustment 2.5(e) PSTA 3.13 Purchase Orders 2.1(j) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b2.4(a) Services Agreement 1.3(b)(iiPurchase Price Decrease 2.5(e) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(mPurchase Price Increase 2.5(e)

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given are defined in the indicated Sections of this Agreement: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(asections indicated. Agreement preamble Arizona Transaction Approval 7.2(f) Aggregate ONEOK Damages 9.3(aAssessments 3.16(c) Asset Purchase Price Allocation 6.3(f) Basket Amount 6.2(b) Business Relation 6.7(a)(ii) Buyer preamble Buyer Prepared Returns 6.3(a)(iii) Cannabist preamble Cap 6.2(b) CC VA preamble Claim Notice 6.4(d) Closing 2.5(a) Closing Date 2.5(a) Closing Item 2.4(a) Closing Statement 2.4(a) COBRA 3.14(b) Collateral 5.7(a)(ii) Company Recitals Company Collateral 5.7(a)(i) Company Employee Benefit Plan 3.14(a) Company Governing Documents 2.5(b)(iv) Confidential Information 5.8(a)(ii) CSA 9.13 Deposit 2.5(c)(i)(a) Employment and Services Agreement Preamble Audits 2.6(e3.14(f) Environmental Claims 3.17(b) Equity Recitals Estimated Cash 2.3 Estimated Closing Statement 2.3 Estimated Indebtedness 2.3 Estimated Transaction Expenses 2.3 Estimated Transaction Payments 2.3 Estimated Working Capital 2.3 Excess Amount 2.4(c) Excluded Federal Claims 9.13 Final Cash 2.4(a) Final Indebtedness 2.4(a) Final Transaction Expenses 2.4(a) Final Transaction Payments 2.4(a) Final Working Capital 2.4(a) Financial Statements 3.4(a) Funds Flow 2.5 IRS 3.14(a) Latest Balance Sheet 2.5(a3.4(a) Latest Balance Sheet Date 2.5(a3.4(a) Books and Records 5.2(b)(iLien Releases 2.5(b)(iii) Business Recitals Claim 9.7(aMarijuana Permits 3.16(b) Closing 1.3(aMaterial Contract 3.9(b) Closing Date 1.3(aMember Prepared Returns 6.3(a)(ii) Closing Working Capital 1.4(aMember preamble Notes 2.5(b)(ii) Closing Working Capital Statement 1.4(aObjection Notice 6.2(d) Common Units 3.1(e)(v) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(h) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c) Financial Statements 2.5(a) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(ipreamble Pledged Collateral 5.7(a)(ii) Purchase Price 1.2 Related 2.2 Restricted Period 6.7(b) Schedules 9.11 Service Contracts 3.6(j) Shortfall Amount 2.4(d) Survival Period 6.1 SWC Arizona Purchase Agreement preamble Tax Contest 6.3(d) Third Party 2.14 Resolution Period 1.4(bClaim 6.4(a) Services Transfer Taxes 6.3(f) UCC 5.7(a)(iii) Utility Systems 3.6(h) Valuation Firm 2.4(b) Virginia Purchase Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(mpreamble WARN Act 3.13(e)

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given are defined in the indicated Sections of this Agreementsection indicated: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aCertificate of Merger 2.3 Certificates 2.8(b) Aggregate ONEOK Damages 9.3(aCharter Documents 3.1(a) Agreement Preamble Audits 2.6(eClosing 2.3 Closing Date 2.3 COBRA 3.13(a) Code 2.8(e) Company 3.12(e) Company Balance Sheet 3.5(b) Company Contracts 3.14 Company Employee Plan 3.13(a) Company Financials 3.5(b) Company Options 3.2(b) Company Stock Option Plans 2.7(c) Company Warrants 3.2(c) Company’s Intellectual Property 3.9(a) Table of Contents Rights Debt Obligation Certificate 6.11 DGCL 2.1 Disclosure Memo 1.3 Dissenting Shares 2.10 DOL 3.13(a) Effective Time 2.3 Employee 3.13(a) Employee Agreement 3.13(a) Environmental Claims 3.12(a) Environmental Clean-Up Site 3.12(a) Environmental Laws 3.12(a) Environmental Permits 3.12(a) ERISA 3.13(a) ERISA Affiliate 3.13(a) FICA 3.7(b) Filings 6.2(a) FMLA 3.13(a) FUTA 3.7(b) GAAP 3.5(b) Hazardous Materials 3.12(a) Intellectual Property Rights 3.9(a) International Employee Plan 3.13(a) IRS 3.13(a) Merger recitals Merger Consideration 2.7(a) Merger Sub 2.5(a) Balance Sheet Date 2.5(aMerger Sub Common Stock 2.7(d) Books and Records 5.2(b)(iMultiemployer Plan 3.13(a) Business Recitals Claim 9.7(aOutsourced Plan 3.13(b) Closing 1.3(aPaying Agent 2.8(a) Closing Date 1.3(aPayment Fund 2.8(a) Closing Working Capital 1.4(aPBGC 3.13(a) Closing Working Capital PCBs 3.12(a) Pension Plan 3.13(a) Permits 3.10(b) Preferred Stock 3.2(a) Principal Stockholders recitals Proxy Statement 1.4(a6.1(a) Common Units 3.1(e)(vRecommendation 2.1 Release 3.12(a) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(hTable of Contents Returns 3.7(a) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c) Financial Statements 2.5(a) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(iiSEC Reports 3.5(a) Shares Recitals Straddle Periods 10.4(b3.2(a) Steyr Claims 3.26 Steyr License Agreement 3.26 Stockholder Approval 3.4(a) Stockholders Meeting 6.1(b) Subsidiaries 3.12(e) Surviving Corporation 2.2 Tax Controversy 10.7(a3.7(t) Tax Indemnitor 10.7(aTaxes 3.7(t) Tax Records 10.1 TransCanada Termination Fee 8.3(b) Third Party IP Rights 3.9(c) Triggering Event 8.1(g) Voting Agreement 7.1(h) Viking Indenture 7.2(mrecitals WARN 3.13(q)

Other Defined Terms. For the purpose In addition, each of this Agreement, the following terms shall have the meanings meaning given to such term in the indicated Sections applicable Section of this Agreementthe Agreement listed opposite such term: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a) Aggregate ONEOK Damages 9.3(aAcceptance Time 1.5(a) Agreement Preamble Audits 2.6(eAlaska Corporation Returns 3.15(a) Balance Sheet 2.5(aAlaska Leased Real Property 3.8(c) Balance Sheet Date 2.5(aAlaska Material Registered IP 3.9(a)(i) Books and Records 5.2(b)(iAMAG Merger Agreement 3.11 Anti-Bribery Laws 3.13 Antitrust Filings 6.6(a) Business Cash Portion Recitals Claim 9.7(a) Closing 1.3(a) Closing Date 1.3(a2.3 Closing 2.3 Commitment Letter 4.3(c) Closing Working Capital 1.4(aCompany Preamble Company 401(k) Closing Working Capital Statement 1.4(aPlan 6.4(c) Company Board Recommendation 3.21 Company Certifications 3.4(a) Company Change in Recommendation 5.4(e) Company Common Units 3.1(e)(v) Companies Stock Recitals Company ESPP 3.3(c) Company Existing D&O Policy 6.5(b) Company Indemnified Persons 6.5(a) Company Intervening Event 5.4(f)(ii) Company Material Contract 3.10(a) Company Maximum Premium 6.5(b) Company Owned Real Property 3.8(b) Company Rights Agreement Amendment 3.28 Company Rights 3.3(d) Company SEC Documents 3.4(a) Company Specified Agreement 8.1(e) Company Stock Certificate 2.7 Company Stockholders 1.1(f) Company Stockholder Support Agreements Recitals Company Subsidiary 2.2 Contribution Stockholders’ Meeting 6.2(a)(i) Company Termination Fee 8.3(b) Company’s Financial Advisor 3.25 Compensation Committee 3.30 Continuing Directors 1.5(a) Continuing Employees 6.4(a) CVR Agreement 7.1(hRecitals CVR Recitals CVR Rights Agent Recitals Debt Financing 4.3(b) Controlling Party 10.7(cDesignated Date 6.3(d) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(cExhibit A-13 Term Section Dissenting Shares 2.6 Effective Time 2.3 EMA Re-Examination 5.4(f)(ii) Financial Statements 2.5(aEmployment Compensation Arrangement 3.30 End Date 8.1(b) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(mExchange Act 3.4(d)

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given are defined in the indicated Sections sections indicated. Acquired Assets 2.1 Allocation Statement 2.9(a) Assigned Contracts 2.1(c) Assignment and Assumption Agreement 2.1 Astromec preamble Assumed Liabilities 2.4(a) Xxxx of this Agreement: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aSale 2.1 Book Value Objection 2.5(c) Aggregate ONEOK Damages 9.3(a) Agreement Preamble Audits 2.6(e) Balance Sheet 2.5(a) Balance Sheet Date 2.5(a) Books and Records 5.2(b)(i) Business Recitals Claim 9.7(a) Notice 6.3 Closing 1.3(a2.10(a) Closing Date 1.3(a2.10(a) Closing Working Capital 1.4(aPayment 2.5(a) Closing Working Capital COBRA 5.2(d) Current Products 2.6(a)(i) Earnout Payments 2.6(a) Earnout Period 2.6(a) Earnout Sales Base 2.6(a) Earnout Statement 1.4(a2.6(a) Common Units 3.1(e)(vEncumbered Assets 2.2 Excluded Assets 2.3 Excluded Liabilities 2.4(b) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(hGoodwill 2.1(i) Controlling Indemnified Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity 6.3 Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(cAssignment 2.1 Inventory 2.1(a) Financial Statements 2.5(aMajor Customer 4.15 Major Vendor 4.15 Notice of Objection 2.6(c) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Parent preamble Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(apreamble Physical Inventory 2.5(b) Pre-Closing Paid Expenses 2.1(j) Pro-Dex preamble Purchase Orders 2.1(c) Purchased Intellectual Property 2.1(f) Purchaser Indemnitee 6.2(a) Purchaser preamble Purchaser Parent preamble Records 2.1(f) Responsible Party 6.3 Seller preamble Seller Indemnitee 6.2(b) Shared Assets 4.4 Subject Employees 5.2 (a) Supplies 2.1(b) Survival Period 4.1 Pre-Closing Taxable Period 10.6(a)(i6.1 Terminated Employees 5.2(a) Purchase Price 1.2 Related Threshold 6.5(a)(i) Third Party 2.14 Resolution Period 1.4(bClaim 6.4(a) Services Transfer Taxes 2.8 Transferred Employees 5.2(a) Transferred Permits 2.1(e) Transition Production Agreement 1.3(b)(ii2.10(b)(iv) Shares Recitals Straddle Periods 10.4(bUnresolved Items 2.6(c) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(mWarranty Liability 2.4(b)(iii)

Other Defined Terms. For the purpose of this Agreement, the The following terms shall will have the meanings given defined for such terms in the indicated Sections of this Agreementset forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a2013 Xxxx Memo 4.13(b) Aggregate ONEOK Damages 9.3(aAccounting Firm 2.17(c) Agreement Preamble Audits 2.6(eAdditional Shares 2.18(b) Balance Sheet 2.5(aAnti-Money Laundering Laws 4.26 Apps 4.28 Assumed Option 2.7(a)(i) Audited Financial Statements 6.19 Balance Sheet Date 2.5(a4.8(b) Books Benefit Arrangements 4.16(i) Buyer Introduction Buyer Disclosure Schedules 5 Buyer Excluded Representation 9.1(a)(ii) Buyer’s, Merger Sub’s and Records 5.2(b)(ithe SPAC’s Contractual Representations 5.20 Buyer’s, Merger Sub’s and the SPAC’s Extra Contractual Representations 5.20 Buyer’s Counsel 10.15(b) Business Recitals Cap 9.1(d)(ii) Certificate 2.9(c) Certificate of Merger 2.2 Claim 9.7(a) 6.11 Closing 1.3(a) 3.1 Closing Date 1.3(a) 3.1 Closing Working Capital 1.4(aIndebtedness 1.1(n) Closing Working Capital Statement 1.4(a2.5(d) Common Units 3.1(e)(vor (e) Companies Recitals Coattail Agreement 2.14 Company Recitals Introduction Company Subsidiary 2.2 Contribution Closing Cash 1.1(n) Company Disclosure Schedules 4 Company Intellectual Property 4.12(a) Company Shareholder Notice 6.17 Confidential Information 9.4 Confidentiality Agreement 7.1(h) Controlling Party 10.7(c6.4(a) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Offering 6.22(c) Dissenting Shares 2.8 Draft Working Capital 1.4(cStatement 2.17(a) Financial Statements 2.5(aEffective Time 2.2 Estimated Cash 2.6(c)(i) FMV Schedules 10.10(aEstimated Closing Merger Consideration 2.6(c)(i) Governmental Approvals 6.3(aEstimated Indebtedness 2.6(c)(i) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Estimated Working Capital Adjustment 1.4(d)(ii2.6(c)(i) Neutral Auditors 1.4(cExchange Agent 2.9(b) NGA 2.17 Exchange Rights Agreement 2.14 Founder Subscription Agreements Introduction Holdback Shares 2.6(d) Indemnified Party 9.1(e) Indemnifying Party 9.1(e) Intended Tax Treatment Introduction Leased Real Property 4.10(a) Letter of Transmittal 2.9(c) Lockup Agreement 2.14 Merger Consideration Spreadsheet 2.6(c)(i) Non-Controlling Accredited Seller 2.9(i) OFAC 4.27 Outside Date 8.1(b)(i) Owned Real Property 4.10(b) Party 10.7(cIntroduction Pension Plans 4.16(a) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(kPersonal Information 4.28 PIPE Investment Introduction PIPE Investment Amount Introduction PIPE Investor Introduction Post-Closing Straddle Period 9.9(c) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble PartPost-Year Fraction 10.5(aSigning Matters 6.18 Pre-Closing Straddle Period 9.8(c) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(iTax Periods 9.8(a) Purchase Price 1.2 Principal Seller 9.5 Privacy Requirements 4.28 Registration Rights Agreement 2.14 Related Party 2.14 Resolution Transaction 4.17 Releasee 9.9 RSU 2.7(a)(iii) Sanctions 4.27 Security Breach 4.28 Seller Introduction Seller Excluded Representation 9.1(a)(i) Seller Fundamental Representations 9.1(a)(i) Sellers’ and the Company’s Contractual Representations 4.34 Sellers’ and the Company’s Extra Contractual Representations 4.34 Sellers’ Counsel 10.15(a) Sellers’ Representative Introduction SPAC Introduction SPAC Board Recommendation 6.10(b) SPAC Closing Cash 7.3(g) SPAC Closing Statement 3.2 SPAC Financial Statements 5.10(a) SPAC Incentive Plan 9.10 Investor Rights Agreement 2.15 Straddle Period 1.4(b9.8(c) Services Agreement 1.3(b)(iiSubscription Agreements Introduction Surrender Documentation 2.9(c) Shares Recitals Straddle Periods 10.4(bSurviving Corporation 2.1 Tax Act 10.16 Tax Representations 9.1(a)(i) Tax Controversy 10.7(aMatter 9.8(g) Tax Indemnitor 10.7(aThird Party Claim 9.1(e) Tax Records 10.1 TransCanada Agreement 7.1(hThreshold 9.1(d)(i) Viking Indenture 7.2(mUnvested Exchanged Option 2.7(a)(iii) Vested Exchanged Option 2.7(a)(ii) Welfare Plans 4.16(b)

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given specified in the indicated Sections section of this Agreement: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aAccounting Firm 2.6(b) Aggregate ONEOK Damages 9.3(aAffirmation 6.10(b) Agreement Preamble Audits 2.6(eAlchemist Confidentiality Agreement 6.3(a) Balance Sheet Allocation Schedule 2.7 Assigned Contracts 2.1(b) 10 Assumed Liabilities 2.3 Base Purchase Price 2.5(a) Balance Sheet Date 2.5(aBasket 11.4(a) Books and Records 5.2(b)(i2.1(h) Business Recitals Claim 9.7(aBalance Sheet 4.7 Business Permits 4.18(a) Buyer Preamble Buyer Adjustment Amount 2.6(c) Buyer Assets 5.4(b) Buyer Deposit 6.9(a) Buyer Escrow Account 6.9(a) Buyer Escrow Agreement 4.28 Buyer Escrow Funds 6.9(a) Buyer Indemnified Parties 11.2(b) Buyer Restricted Party 7.4(b) Buyer Termination Fee 10.6(a) Closing 1.3(a3.1 Competing Business 7.11 Completion Standards 6.10(a) Closing Confidentiality Agreement 6.3(a) Consultant 6.10(a) Copyrights 1.1(hh) Credian Confidentiality Agreement 6.3(a) Deficiencies Statement 6.10(b) Direct Claim 11.5(b) ERISA 1.1(lll) Escrow Account 6.9(b) Escrow Agent 6.9(a) Escrow Agreement 6.9(b) Escrow Funds 6.9(b) Estimated Purchase Price 2.5(a) Excluded Assets 2.2 Excluded Liabilities 2.4 Expenses 12.1 Factory (Kun) Mortgage Agreement 6.9(b) Governmental Authorizations 4.5 ICC 12.3 Indemnity Cap 11.4(a) Inventory 2.1(a) IT Auditor 6.10(a) IT Separation 6.10(a) Kun Mortgage 6.9(b) Kun Mortgage Certificate 6.9(b) Legal Actions 4.10 MagnaChip ListCo 1.1(b) Material Business IT Systems 6.10(a) Material Contracts 4.12 MSK Preamble Notice of Claim 11.5(b) Notice of Disagreement 2.6(b) 11 Other Party Records 7.5 Patents 1.1(hh) Permits 4.18(a) Proposal 6.8 Purchase Price 2.5(a) Purchased Assets 2.1 Purchased Intellectual Property 2.1(d) Real Property 4.17(a) Real Property Leases 4.17(b) Release Date 1.3(a6.9(e) Closing Remaining Shared Contracts 2.8(c) Replication Period 2.8(c) Rules 12.3 Seller Preamble Seller Adjustment Amount 2.6(c) Seller Deposit 6.9(b) Seller Disclosure Letter IV Seller Escrow Account 6.9(b) Seller Escrow Agreement 6.9(b) Seller Escrow Funds 6.9(b) Seller Indemnified Parties 11.2(a) Seller Related Parties 11.1(e) Seller Restricted Party 7.4(a) Seller Security Amount 6.9(b) Seller Termination Fee 10.6(b) Shared Contract 2.8(c) Significant Customer 4.21(a) Significant Supplier 4.21(b) Software 1.1(hh) Statement 2.6(a) Subsidiary Transferor Recitals Subsidiary Transferors Recitals Termination Date 10.2(a) Termination Fee 10.6(b) Termination Fees 10.6(b) Third Party Claim 11.5(a) Threshold Amount 11.4(a) Trademarks 1.1(hh) Transaction Recitals Transferred Employee 8.1 Transferred Employee Confirmations 8.1 VAT Invoice 7.8(b) W&I Insurance Policy 11.1(a) Working Capital 1.4(aEstimate 2.5(b) Closing Working Capital Statement 1.4(a) Common Units 3.1(e)(v) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(h) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c) Financial Statements 2.5(a) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m)Wrong Pocket Asset 7.3 Wrong Pocket Excluded Asset 7.3 Wrong Pocket Purchased Asset 7.3

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given assigned to such terms in the indicated Sections of this Agreementthe Agreement set forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aAccounting Referee 2.6(d) Aggregate ONEOK Damages 9.3(aAcquisition 2.1 Action 4.13 Agents 7.1(b) Agreement Preamble Audits 2.6(eApplicable Survival Period 11.1(c) Balance Sheet 2.5(aCash 2.6(c) Balance Sheet Date 2.5(aReserve 2.6(c) Books and Records 5.2(b)(iBalance Sheet Working Capital 2.6(c) Business Recitals Claim 9.7(aBase Identification Period 11.1(a) Buyer Preamble Buyer Disclosure Schedule Preamble to Article V Buyer Indemnitees 11.2(a) Cash Estimate 2.6(a) Cash Surplus 2.6(e) CERCLA 4.16 Closing 1.3(a) 2.3 Closing Date 1.3(a2.3 Closing Purchase Price 2.1 Closing Transaction Expense Certificate 12.3 COBRA 4.14 Commitment Letters 5.5 Company Preamble Company Benefit Plan 4.14 Company Debt Amount 2.2 Company Disclosure Schedule Preamble to Article IV Company Intellectual Property 4.10(c) Closing Company Licenses 4.10(c) Company Owned Intellectual Property 4.10(b) Confidential Information 7.1(a)(i) Continuing Employees 7.3(a) Core Representations 11.1(a) Deductible 11.2(b) Environmental Laws 4.16 Escrow Agent 2.4 Escrow Amount 2.4 Estimated Balance Sheet Statement 2.6(a) Estimated Working Capital 1.4(a2.6(a) Closing Fair Market Value Statement 8.4(g) Final Cash 2.6(d) Final Reserve 2.6(d) Final Working Capital 2.6(d) Financial Statements 4.5 Hazardous Substance 4.16 Indemnification Escrow 2.8 Indemnity Cap 11.2(b) Intellectual Property 4.10(a) Leased Real Property 4.9(b) Leases 4.9(b) Liquor License Holders 6.12(a) MAE Notice 6.6 Material Contract 4.12(b) Most Recent Fiscal Month End 4.5(a) Notice of Claim 11.4(a) Notice of Disagreement 2.6(d) Objection Period 2.6(d) Offering Documents 6.11(a) Payoff Certificate 2.2 Policies 4.17 Purchase Price 2.1 Reports 7.1(a)(i) S-1 Financial Statements 6.11(b) Section 338(h)(10) Election 8.4(f) Seller Disclosure Schedule Preamble to Article III Seller Indemnitees 11.3(a) Subsidiary Shares 4.3(b) Third Party Claim 11.4(a) Third Party Defenses 11.4(b) Third Party Licenses 4.10(c) WARN Act 4.15(b) Working Capital Escrow 2.8 Working Capital Shortfall 2.6(e) Working Capital Statement 1.4(a2.6(c) Common Units 3.1(e)(v) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(h) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c) Financial Statements 2.5(a) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(mSurplus 2.6(e)

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given meaning set forth in the indicated Sections of this Agreementset forth below: INDEX Defined Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aAcquisition Proposal 6.05(e) Aggregate ONEOK Damages 9.3(a) Action 3.09 Affiliate Transactions 3.20 Agreement Preamble Audits 2.6(eCertificate of Merger 1.03 Certificates 2.04(b) Balance Sheet 2.5(aChange in Board Recommendation 6.05(c) Balance Sheet Date 2.5(a) Books and Records 5.2(b)(i) Business Recitals Claim 9.7(aChange in Control Agreement 3.10(c) Closing 1.3(a) 1.02 Closing Date 1.3(a1.02 Code 3.10(b) Closing Working Capital 1.4(aCompany Preamble Company Approvals 3.05(b) Closing Working Capital Statement 1.4(a) Common Units 3.1(e)(v) Companies Company Board Recitals Company Recitals Board Recommendation 3.04(b) Company Subsidiary 2.2 Contribution Common Stock 2.01(a) Company Disclosure Schedule Article III Company Permits 3.06(a) Company Preferred Stock 3.03(a) Company Rights Agreement 7.1(h3.03(b) Controlling Company Stock Option 2.02(a) Company Stock Option Plans 2.02(a) Company Stockholders’ Meeting 6.03 Company Termination Fee 8.03(d) Confidentiality Agreement 6.04(b) Contracts 3.05(a) Customers 3.21(a) DGCL 1.01 Dissenting Shares 2.05(a) Effective Time 1.03 Employee 6.07(a) Environmental Laws 3.15(c)(i) Environmental Permits 3.15(c)(ii) ERISA 3.10(a) ERISA Affiliate 3.10(b) 40 Exchange Act 3.05(b) Exchange Fund 2.04(a) Expenses 8.03(a) FPS Customers 3.16(b)(ix) GAAP 3.07(b) Governmental Entity 3.05(b) Hazardous Substances 3.15(c)(iii) HSR Act 3.05(b) Indemnified Party 10.7(c6.06(b) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Independent Committee 3.04(a) Independent Committee Recommendation 3.04(b) Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c3.13 In-the-Money Option 2.02(a) Financial Statements 2.5(aIRS 3.10(a) FMV Schedules 10.10(aLeased Real Properties 3.12(b) Governmental Approvals 6.3(aLien 3.05(a) GP Purchase Agreement 7.1(hMaterial Adverse Effect 3.01(c) Indemnitee 9.7(aMaterial Contract 3.16(b) 55 Indemnitor 9.7(aMeasurement Date 3.03(a) Indemnity Threshold 9.3(aMerger Recitals Merger Co Preamble Merger Consideration 2.01(a) Interim Financial Statements 6.12 KCC Consent 7.1(gMROP Customers 3.16(b)(ix) License Period 6.9 Material Contracts 2.10(aMultiemployer Plan 3.10(b) Minimum Claim Amount 9.3(aMultiple Employer Plan 3.10(b) Net Working Capital Adjustment 1.4(d)(iiNasdaq 3.05(b) Neutral Auditors 1.4(cNotice of Superior Proposal 6.05(b) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(aOFAC 3.06(d) Other Transaction Agreements 7.1(hFilings 6.01 Other Contemplated Transactions 3.04(a) 56 Parties Owned Real Property 3.12(a) Parent Preamble Party Preamble PartParent Approvals 4.03(b) Parent Benefit Programs 6.07(a) Parent Retiree Medical Programs 6.07(a) Parent Termination Fee 8.03(e) Parent Welfare Benefit Plans 6.07(c) Paying Agent 2.02(a) Per Share Merger Consideration 2.01(a) Permitted Liens 3.12(a) Plans 3.10(a) Proxy Statement 6.01 Real Property Lease 3.12(b) Recommendation 3.04(b) Representatives 6.04(a) Restricted Shares 2.02(b) Rights 3.03(b) Xxxxxxxx-Year Fraction 10.5(aXxxxx Act 3.06(c) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(iSDNs 3.06(e) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(bSEC 3.07(a) Services Agreement 1.3(b)(iiSEC Reports 3.07(a) 41 Securities Act 3.07(a) Shares Recitals Straddle Periods 10.4(b2.01(a) Solvent 4.12 Stockholder Approval 3.04(c) Subsidiary 3.01(a) Superior Proposal 8.01 Suppliers 3.21(b) Surviving Corporation 1.01 Takeover Laws 3.19 Tax or Taxes 3.14(f)(i) Tax Controversy 10.7(aReturns 3.14(f)(ii) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m)Termination Date 8.01

Other Defined Terms. For the purpose of this AgreementIn addition, the following terms shall have the meanings given ascribed to them in the indicated Sections corresponding section of this Agreement: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a) Aggregate ONEOK Damages 9.3(aContribution Margin 2.07(a) Agreement Preamble Audits 2.6(eApproval 2.09 Assigned Contracts 2.01(b) Balance Sheet 2.5(aAssumed Employee Plans 4.07(b) Assumed Liabilities 2.03 Austin Assignment 2.06(a)(viii) Balance Sheet Date 2.5(a4.17(a) Board of Directors 6.02(c) Bond Maintenance Period 6.13 Books and Records 5.2(b)(i2.01(e) Business Recitals Claim 9.7(aBusiness Balance Sheet 4.17(a) Business Employees 6.08(a) Business Financial Statements 4.17(a) Business Intellectual Property 2.01(d) Business Intellectual Property Agreements 4.03(b) CAA 1.01 Cap 9.02(c) Capital Expenditures Budget 6.01(e) CCMG Preamble CCMG General Assignment and Xxxx of Sale 2.06(a)(iv) CCMG Material Adverse Effect 3.01(a) CERCLA 1.01 Cincinnati Lease 2.06(a)(x) Closing 1.3(a) 2.05 Closing Date 1.3(a2.05 Closing Purchase Price 2.06(a)(i) Closing Working Capital 1.4(aCLS Preamble CLS General Assignment and Xxxx of Sale 2.06(a)(v) Closing CLS Material Adverse Effect 3.01(b) CM 6.12(d) CMG Utah Preamble CMG Utah General Assignment and Xxxx of Sale 2.06(a)(xvi) CMG Utah Material Adverse Effect 3.01(d) COBRA 6.01(k) Code 4.07(g)(ii) Term Section Combined Aggregate 4.04(b) Competitive Operations 6.12(b) Confidentiality Agreement 6.03 Contribution Margin 2.07(a) Convergys Preamble Convergys Financial Advisor 6.02(b) Convergys General Assignment and Xxxx of Sale 2.06(a)(vi) Convergys Material Adverse Effect 3.01(c) Credit Enhancements 6.13 CWA 1.01 Deferred Payment Note 2.06(a)(i) DOJ 6.06(b) Employee Maintenance Agreement 2.06(a)(vii) Employee Plan 4.07(a) EPCRKA 1.01 ERISA 4.07(a) ERISA Affiliate 4.07(d) Excluded Assets 2.02 Fair Value Price 6.17(b) Final Working Capital Statement 1.4(a2.08(a) Common Units 3.1(e)(vFixed Assets 2.01(a) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Foreign Purchase Agreements 7.01(d) FTC 6.06(b) General Enforceability Exceptions 3.02 Global Closing Purchase Price 2.01 Global Purchase Price 2.01 Guarantees 4.18 Healthcare Groups 6.12(d)(i) Healthcare Services 6.12(d)(i) HSR Act 3.03 Inactive Business Employee 6.08(b) Inactive Business Employee Disability Expenses 6.08(b) Inactive Business Employee Transfer Date 6.08(b) Indemnified Party 9.04(a) Independent Accounting Firm 2.08(b) Jacksonville Lease 2.06(a)(xiii) Jacksonville Warehouse Sublease 2.06(a)(xiv) Know-How 2.01(h) Leased Real Property 4.02 Master Services Agreement 7.1(h2.06(a)(xii) Controlling Party 10.7(cMaterial Contract 4.04(a) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(cMaterial Customers 4.15 Material Supplier Contract 4.04(a) Financial Statements 2.5(aMaterial Suppliers 4.15 Term Section Names 6.10(a) FMV Schedules 10.10(aNISL Preamble Open Source Software 4.03(g) Governmental Approvals 6.3(aOSHA 1.01 PBGC 4.07(d) GP Purchase Agreement 7.1(hPermits 2.01(c) Indemnitee 9.7(aPersonnel Records 6.08(m) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) PrePost-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(iAssigned Contract Employee 6.08(a) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b2.01 Purchased Assets 2.01 Purchaser Preamble Purchaser Disclosure Schedules Article V Purchaser Indemnitees 9.02(a) Services Purchaser Material Adverse Effect 5.01 Purchaser Professional Indemnity Insurance Policy 1.01 RCRA 1.01 Representatives 6.02(a) Retained Business Maintenance Agreement 1.3(b)(ii2.06(a)(xi) Shares Recitals Straddle Periods 10.4(bRetained Contract Collateral Assets 2.02(b) Retained Contracts 2.02(a) Retained Employee Plans 4.07(c) Retained Liabilities 2.04 Retained Tax Controversy 10.7(aLiabilities 2.04(e) Tax Indemnitor 10.7(aSample Working Capital Statement 4.17(b) Tax Records 10.1 TransCanada Agreement 7.1(hSeller Preamble Seller Entities 4.18 Seller Group 4.05(a) Viking Indenture 7.2(mSeller Indemnitees 9.03(a)

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given set forth in the indicated Sections of this Agreementset forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a) Aggregate ONEOK Damages 9.3(aActions 4.7 ADSs 3.1(a) Agreement Preamble Audits 2.6(eAlternative Acquisition Agreement 6.2(d)(ii) Balance Sheet 2.5(aAlternative Financing 6.9(b) Balance Sheet Alternative Financing Documents 6.9(b) Applicable Date 2.5(a4.5(a) Books Bankruptcy and Records 5.2(b)(iEquity Exception 4.3(a) Business Book-Entry Shares 3.1(a) BVI Companies Act Recitals Claim 9.7(a) BVI Plan of Merger 2.3 Closing 1.3(a) 2.2 Closing Date 1.3(a2.2 Company Preamble Company Adverse Recommendation 6.2(d)(ii) Closing Working Capital 1.4(aCompany Benefit Plans 4.8(a) Closing Working Capital Statement 1.4(aCompany Disclosure Schedule Article IV Company IP 4.14(a) Common Units 3.1(e)(vCompany Option 3.3(a) Companies Recitals Company Recitals Recommendation 4.3(c) Company Subsidiary 2.2 Contribution Reports 4.5(a) Company Termination Fee 8.3(a)(ii) Confidential Information 9.12(b) Contract 4.3(d) Damages 6.11(b) Debt Commitment Letter 5.3(a) Debt Financing 5.3(a) Deposit Agreement 7.1(h3.1(a) Controlling Depositary 3.1(a) Dispute 9.4(b) Dissenting Shareholders 3.1(a) Dissenting Shares 3.1(a) Effective Time 2.3 Employees 4.13 Equity Commitment Letter 5.3(a) Equity Financing 5.3(a) ERISA 4.8(a) Exchange Act 4.4 Exchange Fund 3.2(a) Excluded Party 10.7(c6.2(b) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(cExcluded Shares 3.1(a) Financial Statements 2.5(aFacility Agreement 6.9(a) FMV Schedules 10.10(aFinancing 5.3(a) Financing Documents 5.3(a) Founder Shares 3.1(a) GAAP 4.5(b) Go-Shop Period End Date 6.2(a) Governmental Approvals 6.3(aEntity 3.2(d) GP Purchase Agreement 7.1(hHKIAC 9.4(b)(i) Indemnitee 9.7(aHKIAC Rules 9.4(b)(i) 55 Indemnitor 9.7(aIC Financial Advisor 4.16 Indemnified Parties 6.11(a) Indemnity Threshold 9.3(aInjunction 7.1(b) Interim Financial Statements 6.12 KCC Consent 7.1(gJudgment 4.7 Laws 4.9(a) License Period 6.9 Lender 5.3(a) Liabilities 4.7 Licenses 4.9(b) Liens 4.2 Limited Guarantee Recitals Limited Guarantor Recitals Material Contracts 2.10(aContract 4.10(a)(vi) Minimum Claim Amount 9.3(aMemorandum and Articles of Association 2.4 Merger Recitals Merger Consideration 3.1(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Merger Sub Preamble Non-Controlling Party 10.7(cWholly Owned Subsidiaries 4.2 Notice of Superior Proposal 6.2(d)(ii) Northern Border Owned Real Property 4.11(a) Parent Preamble Northern Border Credit Parent Termination Fee 8.3(b) Paying Agent 3.2(a) Per ADS Merger Consideration 3.1(a) Per Share Merger Consideration 3.1(a) Proxy Statement 4.4 Requisite Company Vote 4.3(b) Rollover Agreement Amendments 7.2(kRecitals Rollover Shareholders 3.1(a) Northern Border Credit Agreements 7.2(kRollover Shares 3.1(a) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(bXxxxxxxx-Xxxxx Act 4.5(a) Northern Border Returns 10.4(bSEC Article IV Securities Act 4.5(a) OCC Consent 7.1(gShare 3.1(a) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(iiShare Certificate 3.1(a) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(iiShareholders’ Meeting 6.4(a) Shares 3.1(a) Solicited Person 6.2(a) Stock Plan 4.2 Surviving Corporation 2.1 Terminated Acquisition Proposal 6.2(b) Termination Date 8.1(b)(i) Tier I Termination Fee 8.3(a)(ii) Tier II Termination Fee 8.3(a)(ii) Voting Agreement Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m)Wholly Owned Subsidiaries 4.2

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given assigned to such terms in the indicated Sections of this Agreementthe Agreement set forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aAcquired Audited Financial Statements 3.7 Acquired Balance Sheet 3.7 Acquired Balance Sheet Date 3.7 Acquired Companies 3.2(a) Aggregate ONEOK Damages 9.3(aAcquired Company Benefit Plans 3.19(a) Acquired Financial Statements 3.7 Acquired Interim Balance Sheet 3.7 Acquired Interim Financial Statements 3.7 Acquired Subsidiary Shares 3.4(b) Action 3.18(a) Agreement Preamble Audits 2.6(eApplicable Survival Period 9.1(d) Balance Sheet 2.5(aBelizean Companies 3.1(a) Balance Sheet Date 2.5(aBuyer Preamble Buyer Indemnitees 9.2(a) Books and Records 5.2(b)(i) Business Recitals Claim 9.7(aBuyer Warranty Losses 9.2(b) Closing 1.3(a) 2.3 Closing Date 1.3(a2.3 Consents 3.6(a) Closing Working Capital 1.4(aCooperation Agreement 6.5(a) Closing Working Capital Statement 1.4(aCopyrights 3.15(a) Common Units 3.1(e)(vElection Notice 9.10(b) Companies Environment 3.21(a)(i) Environmental Action 3.21(a)(ii) Environmental Clean-up Site 3.21(a)(iii) Environmental Laws 3.21(a)(iv) Environmental Permits 3.21(a)(v) Exchange Act 5.9 50 Excluded HemcoNic Assets 3.8(b) Forestry Credits 3.9(b) Forestry Note 2.4(i) Hazardous Substances 3.21(a)(vi) Hemco Recitals Company Hemco Shares 3.3(e) HemcoNic Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(hHemcoNic Interests Recitals HemcoNic Properties 3.14(a) Controlling Party 10.7(cHemcoNic Shares 3.4(b) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity IFRS 3.7 Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c3.15(a) Financial Statements 2.5(aIntellectual Property Rights 3.15(a) FMV Schedules 10.10(aLeased Personal Property 3.12(b) Governmental Approvals 6.3(aLeased Real Property 3.13(a) GP Purchase Liabilities 3.8(a) Losses 9.2(a) Lough Preamble Management Recitals Management Shares Recitals Management Services Agreement 7.1(h6.4(d) Indemnitee 9.7(aMarks 3.15(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Xxxxxx Preamble Material Contracts 2.10(a3.17(b) Minimum Matuzulen Recitals Nicaraguan Companies 3.2(a) Nicaragua GAAP 3.7 Notice of Claim Amount 9.3(a9.4(a) Net Working Capital Adjustment 1.4(d)(iiOwned Personal Property 3.12(a) Neutral Auditors 1.4(cOwned Real Property 3.13(a) NGA 2.17 Non-Controlling Party 10.7(cPermitted Dividends 3.16(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(kPersonal Properties 3.12(a) Northern Border Credit Agreements 7.2(kPlan Shares 2.5(b) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(bPolicies 3.22(a) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Prohibited Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i8.4 Proprietary Information 3.15(a) Purchase Price 1.2 Related 2.1 Purchase Price Balance 2.2 Real Property 3.13(a) Release 3.21(a)(vii) Report 3.17(f) Representatives 5.4 Restructured Legacy Businesses 3.8(a) Xxxx Preamble Section 338 Election 3.6(d) Seller Documents 3.5 51 Seller Indemnitees 9.3(a) Seller Release 6.4(c) Seller Warranty Losses 9.3(b) Sellers Preamble Third Party 2.14 Resolution Period 1.4(bClaim 9.4(a) Third Party Defense 9.4(b) Transition Services Agreement 1.3(b)(ii6.4(b) Shares TWL Preamble UG Common Stock 6.4(d) Vesubio Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m)Vesubio Loan 5.10

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given assigned to such terms in the indicated Sections of this Agreementthe Agreement set forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aAction 3.18(a) Aggregate ONEOK Damages 9.3(aAgent 5.7 Agreement Preface Allocation Certificate 5.9 Applicable Survival Period 10.1(d) Agreement Preamble Audits 2.6(eApplication Survival Period 10.1(d) Balance Sheet 2.5(a3.6(b) Balance Sheet Date 2.5(a3.6(b) Books and Records 5.2(b)(iBaseline Measurement Period 2.8(b) Business Recitals Claim 9.7(aBaseline Revenue 2.8(b) Baytree Capital 3.26 California Commissioner 7.2(a) California Securities Law 7.2(a) CERCLA 3.21(a)(iv) Certificates 2.2(c) 79 Charter Documents 3.1(b) Common Stock 2.1(a) Clickthroughs 6.4(b)(ii) Closing 1.3(a1.2 Closing Consideration 2.1(b)(i) Closing Date 1.3(a) Closing Working Capital 1.4(a) Closing Working Capital Statement 1.4(a) Common Units 3.1(e)(v) Companies 1.2 Code Recitals Company Recitals Preface Company Subsidiary 2.2 Contribution Agreement 7.1(hBenefit Plan 3.19(a) Controlling Party 10.7(cCompany Common Stock 2.1(a) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Company Common Stock Equivalents 2.1(a) Company Disclosure Schedule Preamble Article III Company Equity Holders 5.9 Company Intellectual Property Assets 2.9 FERC 6.1 3.15(e) Company Milestone 6.4(b)(i) Company Owned Intellectual Property 3.15(b) Company Owned Software 3.15(n)(i) Company Registered Items 3.15(f) Company Shares 3.2(a) Company Stock Options 2.1(a) Company Stockholder 2.1(b) Company Stockholder Approval 3.4(b) Company Stockholder Indemnitees 10.2(b) Company Voting Agreements Recitals Confidentiality Agreement 5.3 Consents 3.5(a) Constituent Corporations 1.1 Conversion Rate 6.4(b)(iii) Copyrights 3.15(a) Delaware Code 1.1 Dissenting Share Payments 2.6(b) Dissenting Shares 2.6(a) Earnout Consideration 2.1(b)(i) Earnout Dispute Notice 2.8(c)(ii) Earnout Measurement Period 2.8(a)(ii) Earnout Payment 2.8(a) Effective Time 1.2 Environment 3.21(a)(i) Environmental Action 3.21(a)(ii) Environmental Clean-Up Site 3.21(a)(iii) Environmental Laws 3.21(a)(iv) Environmental Liabilities 3.21(a)(v) Environmental Permit 3.21(a)(vi) ERISA 3.19(a) ERISA Affiliate 3.19(a) Escrow Agent 2.2(d) Escrow Agreement 2.2(d) Escrow Fund 10.3(a) Excess Revenue 2.8(b) Exchange Act 4.4(b) Exchange Ratio 2.1(b)(i) Final Closing Working Capital 1.4(cStatement of Revenue 2.8(c)(ii) Financial Statements 2.5(a3.6(a) FMV Schedules 10.10(aFIRPTA Certificate 5.10 Funding 6.4(a) Governmental Approvals 6.3(aGAAP 3.6(b) GP Purchase Agreement 7.1(hHazardous Substances 3.21(a)(vii) Indemnitee 9.7(aHearing 7.2(a) 55 Indemnitor 9.7(aHearing Notice 7.2(a) In-Bound Licenses 3.15(c) Indemnification Date 10.2(c) Indemnification Threshold 10.2(c) Indemnitors 10.2(a) Indemnity Threshold 9.3(aStock Price 10.3(b) Information Statement 7.2(a) Intellectual Property 3.15(a) Intellectual Property Rights 3.15(a) Interim Balance Sheet 3.6(b) Interim Balance Sheet Date 3.6(b) Interim Financial Statements 6.12 KCC Consent 7.1(g3.6(a) License Period 6.9 Joint Operating Agreement Recitals Liabilities 3.7 Liens 3.3(a) Lockup Agreement 6.2 Losses 10.2(a) Marks 3.15(a) Material Contracts 2.10(a3.17(b) Minimum Merger 1.1 Merger Consideration 2.1(b)(i) Merger Sub Preface Minor Contracts 3.17(e) Monthly Budget 6.4(b)(iv) Nondisclosure Agreements 3.15(i) Notice of Claim Amount 9.3(a10.4(a) Net Working Capital Adjustment 1.4(d)(iiOut-Bound Licenses 3.15(d) Neutral Auditors 1.4(cParent Preface Parent Common Stock 2.1(b)(i) NGA 2.17 Non-Controlling Parent Indemnitees 10.2(a) Parent Preferred Stock 4.2 Parent SEC Reports 4.5(a) Parent Stockholder Approval 4.3(a) Patents 3.15(a) PCBs 3.21(h) Pension Plan 3.19(b) Permit 7.2(b) Permit Application 7.2(a) Permitted Liens 3.12(a) Policies 3.23(a) Principal Company Stockholder Recitals Proposal 5.7 Proprietary Information 3.15(a) Proxy Statement 7.2(a) 82 RCRA 3.21(a)(iv) Real Property 3.14(a) Release 3.21(a)(viii) Representatives 5.3 Revenue 2.8(a)(i) Reviewing Accountant 2.8(c)(ii) SEC 4.5(a) Securities Act 4.5(a) Software 3.15(a) Statement of Revenue 2.8(c)(i) Stockholders' Representative Preface Stockholders' Representative Agreement 2.2(d) Surviving Corporation 1.1 Tax 3.9(a)(i) Tax Returns 3.9(a)(ii) Taxing Authority 3.9(a)(iii) Third Party 10.7(cClaim 10.4(a) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns Third Party Defense 10.4(b) OCC Consent 7.1(gTotal Parent Shares 2.1(b)(i) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(iiTransitioned Employees 6.1 Transmittal Letter 2.2(b) ONEOK Indemnity Cap 9.3(bTreasury Shares 2.1(b)(i) ONEOK Marks 6.9 Operating Assets 2.18(aWarranty Losses 10.2(c) Other Transaction Work Product Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m3.15(j)

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given assigned to such terms in the indicated Sections of this Agreementthe Agreement set forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aAAA 10.7 Action 3.18(a) Aggregate ONEOK Damages 9.3(a) Agent 5.7 Agreement Preamble Audits 2.6(eApplicable Survival Period 9.l(c) Appreciation Value 2.1(a) Audited Financial Statements 3.6(a) Balance Sheet 2.5(a3.6(b) Balance Sheet Date 3.6(b) CERCLA 3.21(a)(iv) Certificates 2.2(b) Certificate of Merger 1.2 CFO Certificate 2.6(a) Claim 6.7(c) Closing 1.2 Closing Date 1.2 Code 2.3 Collateral Sources 9.7 70 Company Preamble Company Benefit Plan 3.19(a) Company Common Stock 2.1(a) Company Disclosure Schedule Article III Preamble Company Indemnitees 6.7(a) Company Shares 3.2(a) Company Stockholder 2.1 Company Stockholder Approval Recitals Confidentiality Agreement 5.3 Consents 3.5(a) Copyrights 3.15(a)(iii) Deductible 9.2(b) DGCL 1.1 Dissenting Shares 2.5(a) Books and Records 5.2(b)(iDOJ 6.1(b) Business Recitals Claim 9.7(aEffective Time 1.2 Environment 3.21(a)(i) Closing 1.3(aEnvironmental Action 3.21(a)(ii) Closing Date 1.3(aEnvironmental Clean-Up Site 3.21(a)(iii) Closing Working Capital 1.4(aEnvironmental Laws 3.21(a)(iv) Closing Working Capital Statement 1.4(aEnvironmental Liabilities 3.21(a)(v) Common Units 3.1(e)(vEnvironmental Permit 3.21(a)(vi) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(hERISA 3.19(a) Controlling Party 10.7(cERISA Affiliate 3.19(a) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(cEscrow Funds 2.2(a) Excluded Shares 2.1(b) Executing Stockholder 2.2(a) Financial Statements 2.5(a3.6(a) FMV Schedules 10.10(aFinancing Commitment 4.7 FIRPTA Certificate 5.9 FTC 6.1(b) Governmental Approvals 6.3(aGAAP 3.6(b) GP Purchase Agreement 7.1(hGuarantor Preamble Hazardous Substances 3.21(a)(vii) Indemnitee 9.7(aHSR Act 3.5(b) 55 Indemnitor 9.7(aIndemnitees 9.3 Indemnitors 9.3 Initial Cap 9.2(b) Indemnity Threshold 9.3(aInitial Tax Cap 9.2(b) Intellectual Property 3.15(a) Intellectual Property Licenses 3.15(g) Interim Balance Sheet 3.6(b) Interim Balance Sheet Date 3.6(b) Interim Financial Statements 6.12 KCC Consent 7.1(g3.6(a) License Period 6.9 Leased Real Property 3.14(b) Liabilities 3.7 Liens 3.3(a) Losses 9.2(a) Marks 3.15(a)(ii) Material Amount of Deductions 3.9(a)(vi) Material Amount of Income 3.9(a)(vi) Material Amount of Taxes 3.9(a)(iv) Material Contracts 2.10(a3.17(b) Minimum Claim Amount 9.3(aMaterial Tax Return 3.9(a)(v) Merger 1.1 Merger Consideration 2.1(a) Merger Sub Preamble Net Working Capital Adjustment 1.4(d)(iiIndebtedness 2.1(a) Neutral Auditors 1.4(c) NGA 2.17 Noncompetition Agreement 5.9 Non-Controlling Party 10.7(cExecuting Stockholder 2.2(a) Northern Border Notice of Claim 9.4(a) Outbound Licenses 3.15(g) Owned Real Property 3.14(a) Parent Preface Parent Disclosure Schedule Article IV Preamble Northern Border Credit Agreement Amendments 7.2(kParent Indemnitees 9.2(a) Northern Border Credit Agreements 7.2(kParent Indemnitor 9.3 Patents 3.15(a)(i) Northern Border Disclosure Schedules 3 Northern Border Indemnity Paying Agent 2.2(a) Payment Fund 2.2(a) Payment Funds 2.2(a) PCBs 3.21(a)(vii) Pension Plan 3.19(b) Percentage Interest 9.2(a) Per Share Amount 2.1(a) Per Share Payment Amount 2.2(b) Permitted Liens 3.12(b) Policies 3.23 Potential 280G Benefits 5.12 Principal Company Stockholders Preamble Pro Rata Interest 9.2(c) RCRA 3.21(a)(iv) Real Property 3.14(b) Real Property Lease 3.14(c) Release 3.21(a)(viii) Representatives 5.3 Restraints 7.1(c) SARs Fund 2.6 SARs Payment 2.1(a) SARs Plan 2.1(a) Second Tax Cap 9.3(b9.2(b) Northern Border Returns 10.4(bSecondary Payment Fund 2.2(a) OCC Consent 7.1(gStockholder Indemnitees 9.3 Stockholder Indemnitors 9.2(a) ONEOK Stockholder Representative Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(iiStockholder Tax Defense 9.4(b) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(bSurviving Corporation 1.1 Tax 3.9(a)(i) Tax Controversy 10.7(aLoss 9.2(b) Tax Indemnitor 10.7(aProceeding 9.4(b) Tax Records 10.1 TransCanada Agreement 7.1(hReturns 3.9(a)(ii) Viking Indenture 7.2(mTaxing Authority 3.9(a)(iii) 73 Third Party Claim 9.4(a) Third Party Defense 9.4(b) Third Party Proposal 5.7 Third Tax Cap 9.2(b) Trade Secrets 3.15(a)(iv) Transaction Expenses 2.1(a) Transfer Taxes 10.14 Uncertificated Shares 2.2(b) WARN Act 3.20(e) Warranty Losses 9.2(b)

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given assigned to such terms in the indicated Sections of this Agreementthe Agreement set forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a) Aggregate ONEOK Damages 9.3(aAction 4.13 Advisors 3.7(a) Agreement Preamble Audits 2.6(eAntitrust Authorities 8.2(c) Balance Sheet 2.5(a) Balance Sheet Date 2.5(a) Books and Records 5.2(b)(i) Business Recitals Claim 9.7(a) CERCLA 4.16 Certificate of Merger 2.2 Closing 1.3(a) 2.2 Closing Date 1.3(a2.2 Commitment Letters 5.5(ii) Closing Working Capital 1.4(aConfidentiality Agreement 7.1 Continuing Employees 7.3(a) Closing Working Capital Statement 1.4(aDebt Commitment Letters 5.5(ii) Common Units 3.1(e)(vDebt Payoff Letters 9.2(h) Companies Deductible Amount 11.3 (c)(i)(x) DGCL Recitals Company Recitals Company Subsidiary Dissenting Shares 3.5 Dissenting Stockholder 3.5 DOJ 8.2(b)(ii) Effective Time 2.2 EGTRRA 4.14(a) Environmental Laws 4.16(a) Environmental Sampling 11.3(c)(i) Equity Commitment Letter 5.5(ii) Escrow Contribution Agreement 7.1(h) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(cPer Share Amount 2.3(b)(ii)(y) Financial Statements 2.5(a4.5(ii) FMV Schedules 10.10(aFTC 8.2(b)(ii) Governmental Approvals 6.3(aGAAP 4.5(ii) GP Purchase Agreement 7.1(hGUST 4.14(a) Indemnitee 9.7(a11.3(i) 55 Indemnitor 9.7(a11.3(i) Indemnity Independent Expert 2.9(a)(iii) Intellectual Property 4.10(a) ISRA 4.16(e) Leased Real Property 4.9(b) Leases 4.9(b) Legacy Environmental Conditions 11.3(c)(i) Material Contract 4.12(a) Merger Recitals Merger Sub Preamble Notice of Objection 2.9(a)(ii) Owned Real Property 4.9(a) Parent Preamble Parent Disclosure Schedule Preamble to Article V Parent Indemnified Parties 1l.3(a) Party Recitals Parties Recitals Per Claim Threshold 9.3(a11.3(c)(i)(y) Interim Financial Statements 6.12 KCC Consent 7.1(gPolicies 4.17 Preliminary Acquisition Amount 2.9(a)(i)(C) License Period 6.9 Material Contracts 2.10(aPreliminary Available Cash 2.9(a)(i)(D) Minimum Claim Preliminary CapEx Adjustment 2.9(a)(i)(B) Preliminary Closing Date Calculations 2.9(a)(i) Preliminary Target Debt Amount 9.3(a2.9(a)(i)(E) Net Preliminary Target Transaction Expenses 2.9(a)(i)(F) Preliminary Working Capital Adjustment 1.4(d)(ii2.9(a)(i)(A) Neutral Auditors 1.4(cReal Property 4.9(b) NGA 2.17 Non-Controlling Review Period 2.8(b)(ii) Severance Policies 4.14(a) -13- Stockholder Indemnified Parties 1l.3(b) Straddle Period 8.5(a)(i) Subsidiary Shares 4.3(b) Surviving Corporation 2.1 Target Preamble Target Benefit Plan 4.14(a) Target Disclosure Schedule Preamble to Article IV Target Disclosure Schedule Supplement 6.5 Target Intellectual Property 4.10(a) Target Licenses 4.10(c)(i) Target Stockholder Representative 3.7(a) Target Stockholder Representative Completion 3.7(c) Date Target Stockholder Representative Costs 3.7(c) Target Stockholder Representative Expense 2.3(a)(ii) Amount Third Party 10.7(cLicenses 4.10(c)(ii) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(mWARN Act 6.2(s)

Other Defined Terms. For the purpose of The following capitalized terms are defined in this Agreement, the following terms shall have the meanings given Agreement in the Section indicated Sections of this Agreementbelow: INDEX Defined Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a) Aggregate ONEOK Damages 9.3(a) Agreement Preamble Audits 2.6(e) Balance Sheet 2.5(a) Balance Sheet Assumed Liabilities 2.3 Closing 8.1 Closing Date 2.5(a) Books and Records 5.2(b)(i) Business Recitals Claim 9.7(a8.1 Closing Inventory Value 3.2(a) Closing 1.3(aPayment 3.1(a) Closing Date 1.3(aConsents 2.6 Deferred Payments 3.1(b) Closing Working Capital 1.4(aDirect Claim 10.3(c) Closing Working Capital Statement 1.4(aDispute Notice 3.2(b) Common Units 3.1(e)(vExcluded Assets 2.2 Excluded Liabilities 2.4 First Deferred Payment 3.1(b) Companies Foundry Services Agreement Recitals Company Recitals Company Subsidiary 2.2 Contribution In-Licenses 4.9(g) Indemnification Cap 10.5(b Indemnifying Party 10.3(a) Independent Accounting Firm 3.2(c) Nondisclosure Agreement 7.1(h6.4 Notice of Claim 10.3(c) Controlling Party 10.7(cDefined Term Section Objection Notice 10.3(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c) Financial Statements 2.5(a) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 NonOut-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(aLicenses 4.9(l) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i) 6.1 Product License Agreement Recitals Purchase Price 1.2 Related 3.1 Purchase Price Allocation 3.4(a) Purchaser Preamble Purchaser Losses 10.1 Restricted Business 6.6(a) Restricted Period 6.6(a) Second Deferred Payment 3.1(b) Seller Preamble Seller Fundamental Representations 10.4 Seller Losses 10.2 Seller Statement 3.2(a) Target Inventory Value 3.2(f) Termination Date 9.1(b) Third-Party 2.14 Resolution Period 1.4(bClaim 10.3(a) Threshold 10.5(a) Transferred Assets 2.1 Transferred Contracts 2.1(g) Transferred Copyable Technology 2.1(e) Transferred Inventory 2.1(a) Transferred IP 2.1(d) Transferred Non-Copyable Technology 2.1(f) Transferred Other IP 2.1(d) Transferred Patents 2.1(c) Transferred Permits 2.1(h) Transferred Tangible Assets 2.1(b) Transferred Technology 2.1(f) Transition Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m)Recitals

Other Defined Terms. For the purpose of this Agreement, the following terms shall have the meanings given in the indicated Sections of this Agreement: INDEX Term Section 1935 Act 2.17 2.18 Aggregate Northern Border Damages 9.3(a) Aggregate ONEOK Damages 9.3(a) Agreement Preamble Audits 2.6(e) Balance Sheet 2.5(a) Balance Sheet Date 2.5(a) Books and Records 5.2(b)(i) Business Recitals Claim 9.7(a) Closing 1.3(a) 60 Closing Date 1.3(a) Closing Working Capital 1.4(a1.5(a) Closing Working Capital Statement 1.4(a1.5(a) Common Units 3.1(e)(v) 1.2 Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(h) Contributing NBP General Partners 1.1 Controlling Party 10.7(c) Conversion Transactions 6.11 Conversion Units 1.2 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 6.1(a) Final Closing Working Capital 1.4(c1.5(c) Financial Statements 2.5(a) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) NBILP Preamble NBILP Partnership Agreement 1.4 NBP Partnerships Preamble NBP Partnerships Disclosure Schedules 3 Net Working Capital Adjustment 1.4(d)(ii1.5(d)(ii) Neutral Auditors 1.4(c1.5(c) NGA 2.17 2.18 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k7.2(j) Northern Border Credit Agreements 7.2(k7.2(j) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Partnership Agreement 1.2 Northern Border Purchase Agreement 7.1(h) Northern Border Returns 10.4(b) Northern Border SEC Documents 3.9(a) Northern Plains 1.1 OBPI 7.1(k) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a2.19(a) Other Transaction Agreements 7.1(h) 56 Pan Border 1.1 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i10.6(a) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b1.5(b) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Units 1.2 Viking Indenture 7.2(m7.2(l)

Other Defined Terms. For the purpose of this Agreement, the following terms shall have the meanings given in the indicated Sections of this Agreement: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a) Aggregate ONEOK Damages 9.3(a) $ 7.3 Agreement Preamble Audits 2.6(eBoard Size Increase Restricted Period Termination Option 2.1(a) Balance Sheet 2.5(a) Balance Sheet Date 2.5(a) Books and Records 5.2(b)(i) Business Recitals Claim 9.7(aCBC Act Effect 1.8(c) Closing 1.3(a) Closing Date 1.3(a) Closing Working Capital 1.4(a) Closing Working Capital Statement 1.4(a) Common Units 3.1(e)(v) Companies Recitals 1.1 Company Recitals Company Bank Subsidiary 2.2 Contribution Recitals control 7.1 controlled 7.1 controlling 7.1 Demand 5.1(a) Demand Registration 5.1(a) dollars 7.3 Eligibility Criteria 1.3(a) Excess Transaction Expenses 6.2 Exempt Issuance 2.2(b) extent 7.3 Federal Reserve Board Confirmation 1.10(d) Follow-On Merger Recitals Form S-3 5.3(a) Free Writing Prospectus 5.5(a)(iv) in writing 7.3 Inspectors 5.5(a)(x) Investor Preamble Investor Related Parties 1.2(h) Losses 5.8(a) Merger Recitals Merger Agreement 7.1(h) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c) Financial Statements 2.5(a) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(aRecitals NASDAQ 1.3(a) Other Transaction Agreements 7.1(hDemanding Sellers 5.2(b) 56 Parties Other Proposed Sellers 5.2(b) Parent Preamble Party Preamble PartParent Bank Board 1.1 Parent Bank Subsidiary Recitals Parent Board 1.1 Parent Common Stock Recitals Parent Control Effect 1.8(a) Parent Indemnitee 6.1 Parent Share Issuance 2.2 (a) Parent Share Issuance Notice 2.2 (a)(ii) party 7.3 Permitted Transfer 2.1 (b) Permitted Transferee 2.1 (b) Piggyback Notice 5.2 (a) Piggyback Registration 5.2 (a) Proposed Securities 2.4 (a)(i) Records 5.5 (a)(x) Regulatory Exempt Issuance 2.2 (b)(iii) Representatives 1.9 (a)(iii) Requested Information 5.7 (a) Restricted Activities 3.1 (b) Restricted Period 2.1 (a) Shelf Notice 5.3 (a) Shelf Offering 5.3 (d) Shelf Registration Statement 5.3 (a) Standstill Period 2.3 (d) Take-Year Fraction 10.5(aDown Notice 5.3 (d) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m)written 7.3

Other Defined Terms. For the purpose In addition, each of this Agreement, the following terms shall have the meanings meaning given to such term in the indicated Sections applicable Section of this AgreementAgreement listed opposite such term: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aAntitrust Filings 5.3 (a) Aggregate ONEOK Damages 9.3(aAudited Financial Statements 5.13 (a) Agreement Preamble Audits 2.6(e) Balance Sheet 2.5(a) Balance Sheet Date 2.5(a) Books and Records 5.2(b)(i) Business Recitals Claim 9.7(aBurdensome Condition 5.3 (c) Closing 1.3(a) 1.3 Closing Date 1.3(a) Closing Working Capital 1.4(a) Closing Working Capital Statement 1.4(a) Common Units 3.1(e)(v) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(h) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c) 1.3 Communications Business Unaudited Financial Statements 2.5(a2.4 (a) FMV Schedules 10.10(aCommunications Company Returns 2.13 A-14 Term Section Xxxxxxx Preamble Effective Time 1.3 End Date 8.1 (b) Governmental Approvals 6.3(aEnvironmental Laws 2.15 Environmental Liabilities 2.15 Exchange Agent 1.6 (b) GP Purchase Agreement 7.1(hExchange Fund 1.6 (b) Indemnitee 9.7(aFCPA 2.11 (a) 55 Indemnitor 9.7(aFirst Merger Recitals First Merger Surviving Entity 1.1 (a) Indemnity Threshold 9.3(aHazardous Materials 2.15 Intervening Event 5.2 (c)(ii) Interim Financial Merger Sub(s) Preamble Merger Sub II Preamble Mergers Recitals NetScout Preamble NetScout Board Recommendation 5.2 (b) NetScout Certifications 3.4 (a) NetScout Change in Recommendation 5.2 (b) NetScout Company Returns 3.13 (a) NetScout ESPP 3.3 (c) NetScout Inbound Licenses 3.8 (b) NetScout Leased Real Property 3.7 (b) NetScout Material Contract 3.9 (a) NetScout Material Inbound Licenses 3.8 (b) NetScout Material Registered IP 3.8 (a) NetScout Restricted Business 5.15 (a) NetScout SEC Documents 3.4 (a) NetScout Stockholders’ Meeting 5.2 (a) NetScout Termination Fee 8.3 (b) Newco Preamble Newco Inbound Licenses 2.8 (b) Newco Leased Real Property 2.7 (b) Newco Material Contract 2.9 (a) Newco Material Inbound Licenses 2.8 (b) Newco Material Registered IP 2.8 (a) Newco Registration Statements 6.12 KCC Consent 7.1(g5.1 (a) License Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(aPer Share Merger Consideration 1.5 (a)(iii) Pre-Closing Period 4.1 PreRequired Merger Sub Stockholder Vote 3.20 Required NetScout Stockholder Vote 3.20 Term Section Second Merger Recitals Second Merger Effective Time 1.3 Second Merger Surviving Entity 1.1 (b) Schedule TO 5.1 (a) Shrink-Closing Taxable Period 10.6(a)(iWrap 2.8 (b) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m)AGREEMENT AND PLAN OF MERGER AND REORGANIZATION among: NETSCOUT SYSTEMS, INC., a Delaware corporation; RS MERGER SUB I, INC., a Delaware corporation; RS MERGER SUB II, LLC, a Delaware limited liability company XXXXXXX CORPORATION, a Delaware corporation; and POTOMAC HOLDING LLC, a Delaware limited liability company Dated as of October 12, 2014 Table Of Contents PAGE

Other Defined Terms. For the purpose of this AgreementIn addition, the following terms shall have the meanings given ascribed to them in the indicated Sections corresponding section of this Agreement: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a338 Election 6.10(a) Aggregate ONEOK Damages 9.3(aAccrued PTO 5.7(e) Agreement Preamble Audits 2.6(eAllocation 2.1 Allocation Schedule 2.1 Antitrust Laws 3.4 Apportionment 5.7(g)(i) Approvals 2.11(a) Assignment Agreement and Xxxx of Sale 2.8(a)(v) Assumed Liabilities 2.6 Base Purchase Price 2.2 Beneficial Shares 2.1 Business Balance Sheet 2.5(a) Balance Sheet Date 2.5(a) Books and Records 5.2(b)(i3.6(a) Business Recitals Claim 9.7(aEmployee Census 3.16(a) Business Financial Information 3.6(a) Business Intellectual Property 2.4(d) Business Permits 3.13(b) Cap 9.2(b)(ii) Chicago Facility 2.7(b) Chosen Court 10.7 Closing 1.3(a) 2.3 Closing Date 1.3(a2.3 Closing Statement 2.9(b) Combined Tax Return 6.4(a) Competing Business 5.13(b) Confidentiality Agreement 5.3 Consultation Processes 5.7(l) Continuation Period 5.7(b)(i) Covered Person 5.13(a) De Minimis Amount 9.2(b)(i) Deductible 9.2(b)(i) Deferred Asset Closing Countries 2.16(a) Deferred Assets 2.16(a) Deferred Closing 2.16(b) Deferred Closing Conditions 2.16(b) Deferred Closing Country Amount 2.16(i) Deferred Closing Country Closing Working Capital 1.4(a2.9(c) Deferred Closing Working Capital Date 2.16(b) Deferred Income Tax Liabilities 6.5(b) Deferred Liabilities 2.16(a) Deferred Retained Assets 2.17(a) Deferred Retained Closing 2.17(b) Deferred Retained Closing Conditions 2.17(b) Deferred Retained Closing Date 2.17(b) Deferred Retained Liabilities 2.17(a) Determination 2.10(e) Dispute Notice 2.9(d) Dispute Resolution Period 2.9(d) Draft Deferred Retained Settlement Statement 1.4(a2.17(j) Common Units 3.1(e)(vDraft Deferred Settlement Statement 2.16(j) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(hEquipment Lease 2.8(a)(x) Controlling Estimated Adjustment Amount 2.9(b) Estimated Closing Cash Amounts 2.9(b) Estimated Closing Funded Debt 2.9(b) Excluded Assets 2.5 Final Purchase Price 2.9(f) Foreign Acquisition Agreements 2.12 Foreign Closing Documents 2.8(a)(vii) GCP Tecnologías Venezuela, S.A. Tax Return 6.4(a) Guarantees 5.8 Indemnified Party 10.7(c9.4(a) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(cIndemnifying Party 9.4(a) Financial Statements 2.5(aIndependent Accounting Firm 2.9(d) FMV Schedules 10.10(aInitial Deferred Retained Settlement Amount 2.17(h) Governmental Approvals 6.3(aInitial Deferred Settlement Amount 2.16(h) GP Purchase Agreement 7.1(hIntercompany Arrangements 5.6 Interim Allocation 2.1 International Asset Employee 5.7(d)(i) Indemnitee 9.7(aInventory 2.4(i) 55 Indemnitor 9.7(aIP Assignment 2.8(a)(xi) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a3.12(a) Minimum Claim Amount 9.3(aMaterial Employee 3.16(i) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Regulatory Approvals 2.11(b) Non-Settling Party 10.7(c2.10(e) Northern Border Original Agreement Preamble Northern Border Credit Agreement Amendments 7.2(kOriginal Execution Date Preamble Outside Date 8.1(d) Northern Border Credit Agreements 7.2(kOwned Real Property 2.4(c) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble PartPost-Year Fraction 10.5(aClosing Statement 2.9(c) Pre-Closing Period 4.1 Seller Tax Return 6.4(a) Pre-Closing Taxable Period 10.6(a)(iWC Claims 5.10(b) Proposed Allocation Settlement Notice 2.10(e) Purchase Price 1.2 Related 2.2 Purchased Assets 2.4 Purchased Entities 2.4(a) Purchased Entity Shares 2.4(a) Purchaser Preamble Purchaser 401(k) Plan Section 5.7(b)(iii) Purchaser FSA Plan Section 5.7(b)(iv) Purchaser Indemnified Parties 9.2(a) Purchaser Material Adverse Effect 4.1 Purchaser Operational Instructions 2.16(e) Purchaser Tax Indemnified Parties 6.1 Purchaser’s Allocation Notice 2.1 Qualifying O.U.S. Offer 5.7(d)(i) Qualifying Offer 5.7(d)(i) Qualifying U.S. Offer 5.7(b)(i) Real Property 2.4(c) Registered Business Intellectual Property 3.10(a) Restricted Period 5.13(b) Retained Claims 2.5(k) Retained Liabilities 2.7 Sample Closing Statement 2.9(a) Securities Act 4.7 Seller Preamble Seller 401(k) Plans Section 5.7(b)(iii) Seller FSA Plan Section 5.7(b)(iv) Seller Indemnified Parties 9.3(a) Seller Operational Instructions 2.17(e) Seller Tax Indemnified Parties 6.2 Seller’s Allocation 2.1 Settling Party 2.14 Resolution 2.10(e) Shared Contract 2.11(c) Significant Customer 3.18(a) Significant Supplier 3.18(d) Specified Business Contracts 2.4(b) Specified Tax Proceeding 6.6(a) Straddle Period 1.4(bCombined Tax Return 6.4(b) Straddle Period Purchaser Tax Return 6.4(b) Supply Agreement 2.8(a)(ix) Termination Liabilities 5.7(d)(i) Third Party Claim 9.4(a) Tolling Agreement 2.8(a)(iii) Trademark License Agreement 2.8(a)(viii) Transaction Recitals Transfer Taxes 6.12(a) Transferred Business Employees 5.7(a) Transferred Business Independent Contractor Agreements 2.4(p) Transferred FSA Balances Section 5.7(b)(iv) Transferred Leased Property 2.4(c) Transferred Permits 2.4(k) Transferred U.S. Business Employee 5.7(b)(i) Transition Services Agreement 1.3(b)(ii2.8(a)(iv) Shares Recitals Straddle Periods 10.4(bTSA Counterparty 6.6(a) Tax Controversy 10.7(aWarranty Deed 2.8(b)(viii) Tax Indemnitor 10.7(aWorkers Compensation Policies 5.10(b) Tax Records 10.1 TransCanada Agreement 7.1(hWorking Capital Accounting Principles 2.9(a) Viking Indenture 7.2(m)ARTICLE II

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given assigned to such terms in the indicated Sections of this Agreementthe Agreement set forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aAcquisition Transaction 5.3(a) Aggregate ONEOK Damages 9.3(aAction 3.13 Agreement Preface CERCLA 3.21(a)(i) Agreement Preamble Audits 2.6(eCertificates 2.2(a) Closing 1.2(a) Closing Date 1.2(a) Code 2.3 Company Preface Company Balance Sheet 2.5(a) 3.8 Company Balance Sheet Date 3.8 Company Benefit Plan 3.16(a) Company CBAs 3.20(a) Company Common Stock 3.5(a) Company Disclosure Schedule Preamble Article III Company Financial Advisor 3.26 Company Financial Statements 3.8 Company Intellectual Property 3.19(b) Company Pension Plan 3.16(c) Company Registered Items 3.19(c) Company SEC Reports 3.7(a) Company Securities 3.5(c) Company Stockholder 2.1 Company Stockholder Approval 3.2(a) Company Stockholder Meeting 5.4(a) 51 Company Stock Option 2.6(a) Company Stock Plans 2.6(a) Company Subsidiary Securities 3.6(b) Confidentiality Agreement 5.2 Copyrights 3.19(a) DGCL 1.1 Dissenting Shares 2.5(a) Books and Records 5.2(b)(iDOJ 7.1(a) Business Recitals Claim 9.7(aEffective Time 1.2(b) Closing 1.3(aEnvironment 3.21(a)(ii) Closing Date 1.3(aEnvironmental Action 3.21(a)(iii) Closing Working Capital 1.4(aEnvironmental Clean-Up Site 3.21(a)(iv) Closing Working Capital Statement 1.4(aEnvironmental Laws 3.21(a)(v) Common Units 3.1(e)(vEnvironmental Liabilities 3.21(a)(vi) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(hEnvironmental Permit 3.21(a)(vii) Controlling Party 10.7(cERISA 3.16(a) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity ERISA Affiliate 3.16(a) ESPP 2.6(d) Exchange Act 3.3 FTC 7.1(a) GAAP 3.7(e) Hazardous Substances 3.21(a)(viii) HSR Act 3.3 Indemnified Parties 6.2(a) Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c3.19(a) Financial Statements 2.5(aIntellectual Property Rights 3.19(a) FMV Schedules 10.10(aIntervening Event 5.3(d) Governmental Approvals 6.3(aLease 3.18(c) GP Purchase Agreement 7.1(hLeased Real Property 3.18(a) Indemnitee 9.7(aMarks 3.19(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a3.14(a) Minimum Claim Amount 9.3(aMerger Recitals Merger Consideration 2.1(a) Net Working Capital Adjustment 1.4(d)(iiMerger Sub Preface Notice Period 5.3(c) Neutral Auditors 1.4(cNYSE 3.3 Other Antitrust Laws 3.3 Owned Real Property 3.18(a) NGA 2.17 NonParent Preface Patents 3.19(a) Paying Agent 2.2(a) Payment Fund 2.2(a) Pension Plan 3.16(b) Permitted Liens 3.17(a) Policies 3.24(a) Products 3.25(a) Proprietary Information 3.19(a) Proxy Statement 3.10 Real Property 3.18(a) Release 3.21(a)(ix) Representatives 5.2 Xxxxxxxx-Controlling Party 10.7(cXxxxx Act 3.7(a) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(kSEC 3.3 SEC Comments 5.4(b) Northern Border Credit Agreements 7.2(kSecurities Act 3.7(a) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(bSuperior Proposal 5.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(bSurviving Corporation 1.1 Tax 3.15(a) Tax Controversy 10.7(aReturns 3.15(a) Tax Indemnitor 10.7(aTaxing Authority 3.15(a) Tax Records 10.1 TransCanada Agreement 7.1(hTermination Fee 9.4(a) Viking Indenture 7.2(mThird Party Proposal 5.3(a) Uncertificated Shares 2.2(a) WARN Act 3.20(d)

Other Defined Terms. For In addition to the purpose defined terms set forth in Section 1.01 of this AgreementExhibit A, each of the following capitalized terms shall have has the meanings given respective meaning specified in the indicated Sections of this AgreementSection set forth opposite such term below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a) Aggregate ONEOK Damages 9.3(a) A&R Westar Disclosure Letter Article III A&R GPE Disclosure Letter Article IV Agreement Preamble Audits 2.6(eBankruptcy and Equity Exceptions 3.04 Book-Entry Shares 2.02(b)(i) Balance Sheet 2.5(a) Balance Sheet Date 2.5(a) Books and Records 5.2(b)(i) Business Recitals Claim 9.7(aCertificate 2.02(b)(i) Closing 1.3(a) 1.03 Closing Date 1.3(a1.03 Confidentiality Agreement 6.02(b) Closing Working Capital 1.4(aConsent 3.05(b) Closing Working Capital Statement 1.4(aContinuation Period 6.10(a) Controlled Group Liability 3.09(d) Dissenting Shares 2.04(a) Effective Time 1.02 End Date 8.01(b)(i) Environmental Permit 3.14(a)(i) Exchange Act 3.05(b)(i) Exchange Agent 2.02(a) Exchange Fund 2.02(a) FERC 3.05(b)(iv) Filed GPE Contract 4.14(a) Filed Westar Contract 3.15(a) Filing 3.05(b) Final Order 7.01(b) Form S-4 6.01(a) FPA 3.05(b)(iv) GAAP 3.06(a) GBCLM 1.01(a) GPE Preamble GPE Acquisition Agreement 5.05(b) GPE Adverse Recommendation Change 5.05(b) GPE Articles 4.01 GPE Articles of Merger 1.02 GPE Board Recitals GPE Board Recommendation 4.04 GPE Bylaws 4.01 GPE Common Units 3.1(e)(vStock 2.01(a)(i) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(hGPE Designees 6.06(a)(ii) Controlling Party 10.7(cGPE DRIP 5.02(a)(iv) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(cGPE Equity Securities 4.03(b) GPE Exchange Ratio 2.01(b)(i) GPE Fiduciary Out Termination Fee 8.02(b)(iii) GPE Financial Statements 2.5(a4.06(a) FMV Schedules 10.10(aGPE Insurance Policies 4.17 GPE Intervening Event 5.05(f)(iii) Governmental GPE Merger 1.01(a) GPE Merger Consideration 2.01(b)(i) GPE No Vote Termination Fee 8.02(b)(vi) GPE Other Equity-Based Right 2.03(b)(iii) GPE Preferred No Par Stock 4.03(a) GPE Preferred Par Value Stock 4.03(a) GPE Preference Stock 4.03(a) GPE Proceedings 5.03(b) GPE Projections 4.24 GPE Recommendation Change Notice 5.05(c) GPE Reports 4.06(a) GPE Required Consents 4.05(a) GPE Required Statutory Approvals 6.3(a4.05(b)(iii) GP Purchase GPE Risk Management Guidelines 5.02(a)(xvii) GPE Shareholder Approval 4.04 GPE Shareholders Meeting 4.04 GPE Subsidiaries 4.01 GPE Takeover Proposal 5.05(f)(i) GPE Termination Fee 8.02(b)(i) GPE Utilities 4.20(b) GPE Voting Debt 4.03(b) Holdco Preamble Holdco Board Recitals Holdco Common Stock 2.01(b)(i) Holdco Restated Articles 6.06(d) Holdco Restated Bylaws 6.06(d) Holdco Surviving Corporation 1.01(a) HSR Act 3.05(b)(ii) Indemnified Parties 6.09(a) IRS 3.09(b) KCC 3.05(b)(iv) KGCC 1.01(b) Legal Restraint 7.01(c) Liens 3.02 Maximum Amount 6.09(c) Mergers 1.01(b) Merger Consideration 2.01(b)(ii) Merger Sub Preamble MPSC 3.05(b)(iv) NRC 3.05(b)(iv) Original Merger Agreement 7.1(hRecitals Original Merger Sub Preamble Parties Preamble Proxy Statement/Prospectus 6.01(a) Indemnitee 9.7(aPUHCA 2005 3.20(a) 55 Indemnitor 9.7(aRepresentatives 5.04(a) Indemnity Threshold 9.3(aRequired Consents 4.05(a) Interim Required Statutory Approvals 4.05(b)(iii) SEC 3.05(b)(i) Securities Act 3.05(b)(i) Superior GPE Proposal 5.05(f)(ii) Superior Westar Proposal 5.04(f)(ii) Takeover Statute 3.13 Transaction Litigation 6.04 WARN 3.10 Westar Preamble Westar Acquisition Agreement 5.04(b) Westar Adverse Recommendation Change 5.04(b) Westar Articles 3.01 Westar Articles of Merger 1.02 Westar Board Recitals Westar Board Recommendation 3.04 Westar Bylaws 3.01 Westar Common Stock 2.01(a)(ii) Westar Designees 6.06(a)(ii) Westar DRIP 5.01(a)(iv) Westar Employee 6.10 Westar Equity Securities 3.03(b) Westar Exchange Ratio 2.01(b)(ii) Westar Financial Statements 6.12 KCC Consent 7.1(g3.06(a) License Period 6.9 Material Contracts 2.10(aWestar Insurance Policies 3.18 Westar Intervening Event 5.04(f)(iii) Minimum Claim Amount 9.3(aWestar Merger 1.01(b) Net Working Capital Adjustment 1.4(d)(iiWestar Merger Consideration 2.01(b)(ii) Neutral Auditors 1.4(cWestar Other Equity-Based Right 2.03(a)(iii) NGA 2.17 Non-Controlling Party 10.7(cWestar Preferred Stock 3.03(a) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(kWestar Proceedings 5.03(a) Northern Border Credit Agreements 7.2(kWestar Projections 3.23 Westar Recommendation Change Notice 5.04(c) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(bWestar Reports 3.06(a) Northern Border Returns 10.4(bWestar Represented Employee 6.10(b) OCC Consent 7.1(gWestar Required Consents 3.05(a) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(iiWestar Required Statutory Approvals 3.05(b)(iv) ONEOK Indemnity Cap 9.3(bWestar Risk Management Guidelines 5.01(a)(xvii) ONEOK Marks 6.9 Operating Assets 2.18(aWestar Shareholder Approval 3.04 Westar Shareholders Meeting 3.04 Westar Subsidiaries 3.01 Westar Surviving Corporation 1.01(b) Other Transaction Agreements 7.1(hWestar Takeover Proposal 5.04(f)(i) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(aWestar Termination Fee 8.02(b)(ii) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(iWestar Voting Debt 3.03(b) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(bWillful Breach 8.02(e) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m)EXHIBIT B BOARD MATTERS

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given assigned to such terms in the indicated Sections of this Agreementthe Agreement set forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aAction 3.16 Agreement Preface Allocation Certificate 5.7 Applicable Survival Period 9.1(c) Aggregate ONEOK Damages 9.3(aAudited Financial Statements 3.6(a) Agreement Preamble Audits 2.6(eBenefit Plan 3.17(a) Balance Sheet 2.5(a) Balance Sheet Date 2.5(a) Books and Records 5.2(b)(i) Business Recitals Claim 9.7(aCertificates 2.2(d) Closing 1.3(a) 1.2 Closing Date 1.3(a1.2 COBRA 3.17(c) Closing Working Capital 1.4(a) Closing Working Capital Statement 1.4(a) Common Units 3.1(e)(v) Companies Code Recitals Company Preface Company Capital Stock 3.4(a) Company Common Stock 3.4(a) Company Contracts 3.15 Company Disclosure Schedule Preamble Article III Company Equity Holders 5.10 60 Company Preferred Stock 3.4(a) Company Stockholder 2.1(a) Company Stockholder Letter Agreements Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(hStock Option Plan 2.1(b) Controlling Party 10.7(cConstituent Corporations 1.1 Contingent Earn-Out Payments 2.7 DGCL 1.1 Dissenting Share Payments 2.9(b) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Dissenting Shares 2.9(a) Effective Time 1.2 Ending Date 9.1(c) ERISA 3.17(a) Escrow Amount 2.2(e) Estimated Adjusted Closing Working Capital 1.4(cCash 7.2(j) Exchange Agent 2.2(a) Financial Statements 2.5(a3.6(a) FMV Schedules 10.10(aFIRPTA Certificate 7.2(l) Governmental Approvals 6.3(aGAAP 3.6(a) GP Purchase Agreement 7.1(hGrants 3.9 HIPAA 3.17(c) Indemnitee 9.7(aIndemnitees 9.2(a) 55 Indemnitor 9.7(a9.2(a) Indemnity Threshold 9.3(aEscrow Agent 2.2(e) Indemnity Escrow Agreement 2.2(e) Information Statement 6.1(a) Intellectual Property 3.16(a) Intellectual Property Rights 3.16(a)(v) Interim Financial Statements 6.12 KCC Consent 7.1(g3.6(a) License Period 6.9 Material Contracts 2.10(aLiabilities 3.7 Licensor 3.22(a) Minimum Claim Amount Liens 3.3(a) Losses 9.3(a) Net Working Capital Adjustment 1.4(d)(iiMerger 1.1 Merger Consideration 2.1(c)(i) Neutral Auditors 1.4(cMerger Sub Preface Minimum Earn-Out Rate 2.7(b) NGA 2.17 Non-Controlling Notice 10.1(a) Notice of Claim 9.4(a) Parent Preface Parent Common Stock 2.1(c)(i) Parent Disclosure Schedule Preamble Article IV Parent Financial Statements 4.5 Parent Indemnitees 9.2(a) Parent Indemnitor 9.3(a) Parent Losses 9.2(a) Parent Representative 5.4 Patents 11.1 Permitted Liens 3.13(b) Policies 3.20 Public Documents 4.4 Recoupment 9.6 Recoupment Limit 9.6 62 Regulation D 5.8 Release 3.22(a)(viii) Release Date 2.3(d) Required Certificate of Amendment Vote 3.2(d) Required Company Stockholder Vote 3.2(d) Reserve 9.11(g) Securities Act 4.5(a) Share Price 2.4(b) Shares 3.4(a) Stockholder 2.1(a) Stockholders’ Representative Preface Stockholder Indemnitees 9.3(a) Stockholder Indemnitor 9.2(a) Stockholder Losses 9.3(a) Straddle Period 6.6(a) Surviving Corporation 1.1 Tax Contest 6.6(c) Third Party 10.7(cClaim 9.4(a) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(kThird Party Consideration 2.7(a) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap Third Party Defense 9.3(b) Northern Border Returns 10.4(bTransmittal Letter 2.2(c) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(ii) Treasury Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m2.1(a)(ii)

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given defined for such terms in the indicated Sections of this Agreementset forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a) Aggregate ONEOK Damages 9.3(a) Agreement Preamble Audits 2.6(eAmalgamated Company Recitals Amalgamated Company Shares 2.03 Amalgamation Recitals Amalgamation Agreement 2.01 Amalgamation Consideration 2.06(a) Balance Sheet 2.5(a) Balance Sheet Date 2.5(a) Books and Records 5.2(b)(i) Amalgamation Sub Preamble AT 3.12 Business Recitals Claim 9.7(aBusiness Day 2.02 Bye-Laws 2.03 Capital Budget 5.01 Capitalization Date 0 Certificate 2.06(a) CFIUS 6.03(a) Closing 1.3(a) 2.02 Closing Date 1.3(a) Closing Working Capital 1.4(a) Closing Working Capital Statement 1.4(a) Common Units 3.1(e)(v2.02 Communications Act 3.08(a) Companies Act Recitals Company Recitals Preamble Company Disclosure Schedule Article III Company Financial Statements 3.03(b) Company Ground Stations 3.18(c) Company Incentive Plan 2.09 Company Material IP 3.17 Company Permits 3.12 Company Plan 3.13(a) Company Plans 3.13(a) Company Satellites 3.18(a) Company Securities 3.01(e) Company Shareholders Meeting 6.02 Company Shares 2.06 Company Stock Option 2.09 Company Subsidiary 2.2 Contribution Securities 3.01(f) Confidentiality Agreement 7.1(h5.02(b) Controlling Party 10.7(cControlled Group 3.13(b) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Dissenting Shareholder 2.06(a) Dissenting Shares 2.06(a) Dutch Permits 3.12 Effective Time 2.03 Excluded Shares 2.06(a) Exon-Xxxxxx Review 6.03(a) FCC 3.08(a) Final Termination Date 9.02(a) Xxxxxxx Sachs 3.20(a) Health Status Reports 3.18(a) HSR Act 3.08(a) Indemnified Parties 6.06(a) Insurance Policy 3.06 ITAR 3.08(a) ITU 3.18(b) Leased Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c3.21(b) Financial Statements 2.5(aLetter of Transmittal 2.07(b) FMV Schedules 10.10(aMajor Stations 3.18(c) Governmental Approvals 6.3(aMaterial Backlog Contracts 3.11(b) GP Purchase Agreement 7.1(hMemorandum of Association 2.03 NS B.V. Recitals NYSE 3.08(a) Indemnitee 9.7(aOwned Property 3.21(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Parent Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Parent Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Schedule Article IV Parties Preamble Party Preamble Part-Year Fraction 10.5(aPaying Agent 2.07(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(iPayment Fund 2.07(a) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(bRepresentatives 6.04(a) Services Required Approvals 8.01(b) Required Company Vote 3.02 Revised Confidentiality Terms 6.04(a) SEC 3.03(a) Section 108 Documents 2.03 SER Notification 3.08(a) Superior Proposal 6.04(b) Tail Policy 6.06(c) VAT 3.16(e) Voting Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m)Recitals

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given defined for such terms in the indicated Sections of this Agreementset forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aActive Theatrical Investment 3.6(b) Aggregate ONEOK Damages 9.3(aAcquisition Transaction 5.16(i) Agreed Manner and Methodology 1.1(y) Applicable Chicago Theaters 5.16(h) Arbitrating Accountant 2.3(b)(iii) Assumption Agreement Preamble Audits 2.6(e5.12(a) Balance Sheet 2.5(aAuction Confidentiality Agreements 5.10(e) Balance Sheet Date 2.5(aBAA Markets 3.9 Back-to-Back LCs 5.12(c)(i) Books and Records 5.2(b)(iBank 2.1(f) Business Recitals Claim 9.7(aBIC Chicago Ownership Covenant 5.16(h)(iii) BIC Transaction 5.16(h)(iv) Boston Playhouse Lien 9.2(a)(iii) Canadian Employee Benefit Plans 3.14(a) Cash Closing 1.3(aPayment 2.1(d) Closing Date 1.3(a2.2 “commercially reasonable efforts” 5.1(b) Closing Working Capital 1.4(aContinued Employees 6.1(a) Closing Working Capital Statement 1.4(aCustomer Database 5.15 Deposit Escrow Funds 2.1(f) Common Units 3.1(e)(vDOJ 5.3(c) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(hDue Date 5.17(a) Controlling Party 10.7(cElections 7.1(a) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Employee Benefit Plans 3.14(a) Equity Consideration 2.1(b) Excluded Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c) 5.11 Financial Statements 2.5(a3.7(a)(iv) FMV Schedules 10.10(aFirst Party 9.4(e) Free Cash Statement 2.3(b)(i) FTC 5.3(c) Governmental Approvals 6.3(aConditions 5.3(c) GP Purchase Agreement 7.1(hHistorical TM Allocation Methodology 5.13(c) Indemnitee 9.7(aIncidental 5.16(c) 55 Indemnitor 9.7(aIndefinitely Surviving Representations 9.1 Indemnified Party 9.2(c) Indemnity Threshold 9.3(aIndemnifying Party 9.2(c) Interim Financial Statements 6.12 KCC Consent 7.1(gInsurance Policies 3.19 Interest Commencement Date 2.1(c) License Period 6.9 Material Contracts 2.10(aLease 3.10(a) Minimum Claim Amount 9.3(aLeased Theaters 3.10(a) Net Working Capital Adjustment 1.4(d)(iiLN Guarantees 5.12(a) Neutral Auditors 1.4(cLN LCs 5.12(b) NGA 2.17 Non-Controlling Party 10.7(cXX Xxxxx 5.7 Local Presenter 3.9 Local Venue 3.9 Loss(es) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k9.2(a) Northern Border Credit Agreements 7.2(kManaged Theaters 3.10(a) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(bMinneapolis Excluded Obligations 5.12(a) Northern Border Returns 10.4(bMinneapolis Theaters 5.16(i) OCC Consent 7.1(gMultiemployer Plan 3.14(b) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(iiNote Purchaser 2.1(b)(i)(B) ONEOK Indemnity Cap 9.3(bOutside Date 10.1(a) ONEOK Marks 6.9 Operating Assets 2.18(aOwned Theaters 3.10(a) Other Transaction Agreements 7.1(h) 56 Party/Parties Preamble Property Taxes 9.4(c)(i) Purchaser Preamble Purchaser Plans 6.2 Purchaser Tax Act 9.4(a) Records 5.10(b) Replacement LCs 5.12(b) Retained Amount 5.17 Refusal Notice 2.2(b) Second Party 9.4(e) Section 338 Allocation 7.1(c) Section 338 Forms 7.1(b) Seller Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(iiSeller Confidential Information 5.10(c) Shares Recitals Straddle Periods 10.4(bTarget Parent Companies Recitals Tax Amount 5.17(e) Tax Controversy 10.7(aClaim 9.4(e) Tax Indemnitor 10.7(aTCN Price 2.4(h) Tax Records 10.1 TransCanada TCN Shares 2.4(h) Third Party Claims 9.2(c) Total Consideration Amount 2.1(a) Transition Services Agreement 7.1(h) Viking Indenture 7.2(m5.14 Unreturned LC 5.12(c)(i)

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given assigned to such terms in the indicated Sections of this Agreementthe Agreement set forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a) Aggregate ONEOK Damages 9.3(aAction 4.19(a) Agreement Preamble Audits 2.6(eApplicable Survival Period 10.1(d) Arbitrator 2.6(c)(i) Assigned Contracts 2.1(b)(iv) Assignment and Assumption Agreements 3.2(d) Assignment and Assumption of Lease Agreements 3.2(e) Assumed Employment Contracts 7.2(g) Assumed Liabilities 2.3 Automatic Transfer Employees 7.2(b) Balance Sheet 2.5(aSheets 4.4(a)(i) Balance Sheet Date 2.5(a4.4(a)(i) Books and Records 5.2(b)(iBase Pay 7.2(a) Bills of Sale 3.2(c) Business Recitals Claim 9.7(aBusiness Authorizations 4.11(a) Buyer Preamble Buyer Closing Certificate 8.3(c) Buyer Indemnitees 10.2(a) Buyer’s Proposed Calculations 2.6(a) Closing 1.3(a) 3.1 Closing Date 1.3(a3.1 Confidentiality Agreement 6.3 Consents 4.3(a) Credit Agreement 3.2(a) Deductible 10.2(b) Diligent Efforts 7.9 Disputed Amounts 2.6(c) DOJ 7.1(a) Entry Claimant 7.2(m) Estimated Closing Working Capital 1.4(a2.5(a) Closing Working Capital Statement 1.4(aEnvironmental Permits 4.22(a) Common Units 3.1(e)(vEuropean Assets 7.3(b)(i) Companies Recitals Company Recitals Company Subsidiary Excluded Assets 2.2 Contribution Agreement 7.1(hExcluded Contracts 2.2(b) Controlling Party 10.7(cExcluded In-Bound Licenses 2.2(b) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Excluded Liabilities 2.4 Extra Territory Business 4.15(b) Final Closing Working Capital 1.4(cAllocation 2.10(b) Final Purchase Price 2.6(d) Final Purchase Price Adjustment 2.6(d) Financial Statements 2.5(a4.4(a) FMV Schedules 10.10(aFrench Distribution Agreements 2.2(k) Governmental Approvals 6.3(aFTC 7.1(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Full-Year Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m4.4(a)(i)

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given assigned to such terms in the indicated Sections of this Agreementthe Agreement set forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a368 Reorganization 6.2 (j) Aggregate ONEOK Damages 9.3(aAcquired Company Recitals Action 3.16 (a) Agreement Preamble Audits 2.6(eApplicable Survival Period 8.1 (d) Atiam Recitals Atiam 401(k) Plan 7.1 (q) Atiam Financial Statements 3.6 (a) Atiam Intellectual Property 3.13 (e) Atiam Owned Intellectual Property 3.13 (b) Atiam Registered Items 3.13 (f) Audited Financial Statements 6.6 Auditor 6.6 Balance Sheet 2.5(aSheets 3.6 (b) Balance Sheet Date 2.5(a3.6 (b) Books and Records 5.2(b)(iBilenia Recitals Bilenia Purchase Agreement Recitals Buyers Preamble Buyers Indemnitees 8.2 (a) Business Recitals Claim 9.7(aCap 8.2 (b) Claims 10.2 Closing 1.3(a) 2.2 Closing Date 1.3(a2.2 Cash Closing Payment 2.6 (a) Closing Working Capital 1.4(aCertificates 2.6 (e) Closing Working Capital Statement 1.4(aCertificates of Merger Recitals Consents 3.5 (a) Common Units 3.1(e)(vConstituent Entities Recitals Copyrights 3.13 (a) Companies Corporate Record Books 3.19 DE Certificate of Merger Recitals Company Disclosure Schedule Recitals Company Subsidiary to Article III Dissenting Shares 2.5 Dissenting Share Payments 2.7 (b) DLLCA 2.2 Contribution Agreement 7.1(hEffective Time 2.2 Escrow Agent 2.6 (a) Controlling Party 10.7(cEscrow Funds 2.6 (a) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(cExpense Certificate 7.1 (i) Financial Statements 2.5(a3.6 (a) FMV Schedules 10.10(aFundamental Representations and Warranties 8.1 (b) Governmental Approvals 6.3(aGAAP 3.6 (a) GP Purchase Interests Recitals In-Bound Licenses 3.13 (c) Intellectual Property 3.13 (a) Intellectual Property Rights 3.13 (a) IRS 3.17 (a) Lease 3.12 Leased Personal Property 3.11 (d) Letter Agreement 7.1(h5.3 Liabilities 3.7 LP Interests Recitals Losses 8.2 (a) Indemnitee 9.7(aMarks 3.13 (a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a3.15 (b) Minimum Merger Recitals Noncompetition Period 5.8 (a) Nondisclosure Agreements 3.13 (i) Notice of Claim Amount 9.3(a8.4 (a) Net Working Capital Adjustment 1.4(d)(iiOut-Bound Licenses 3.13 (d) Neutral Auditors 1.4(cPA Articles of Merger Recitals PA BCL Recitals Parent Recitals Parent Common Stock 2.5 Parent SEC Reports 4.4 (a) NGA 2.17 Non-Controlling Party 10.7(cPartnership Interests Recitals Patents 3.13 (a) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(aPer Share Merger Consideration 2.5 Policies 3.18 (a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(iPeriods 6.2 (a) Purchase Price 1.2 Pro Rata Share 2.6 (a) Proprietary Information 3.13 (a) Pxxxxx Recitals Regulation D 5.10 Related Party 2.14 Resolution Agreement 3.21 Releasees 10.2 Representatives 5.3 Restricted Business 5.8 (a) SCA Preamble SCA Financial Statements 3.6 (a) SCA Shares Recital Secondary Representations and Warranties 8.1 (b) 7 Shareholder Indemnitees 8.3 Shareholders Preamble Shareholders’ Representative 8.10 (a) Software 3.13 (a) Straddle Period 1.4(b6.2 (c) Services Agreement 1.3(b)(iiSubsidiary Interests 3.3 (a) Shares Recitals Straddle Periods 10.4(bSurviving Entity 2.1 Third Party Claim 8.4 (a) Tax Controversy 10.7(aThird Party Defense 8.4 (b) Tax Indemnitor 10.7(aWork Product Agreements 3.13 (j) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m)Written Consent Recitals

Other Defined Terms. For the purpose of this AgreementIn addition, the following terms shall have the meanings given ascribed to them in the indicated Sections corresponding section of this Agreement: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a338 Election 6.10(a) Aggregate ONEOK Damages 9.3(aAcceptance Notice 2.14 Acquiring Party 5.16(d) Acquisition Transaction 5.18 Affiliated Account-Level Supplier Contracts 2.4(b) Agreement Preamble Audits 2.6(eAlignment Fee Agreement 5.19 Allocation 2.10 Allocation Schedule 2.10 Annual Bonus Schedule 5.7(i) Balance Sheet 2.5(aAntitrust Laws 3.4 Approvals 2.11(a) Assignment Agreement and Xxxx of Sale 2.8(a)(v) Assumed Contracts 2.4(b) Assumed Liabilities 2.6 B2B Arrangement 5.19 Balance Sheet Date 2.5(a3.6(a) Base Purchase Price 2.2 Books and Records 2.4(o) Business Balance Sheet 3.6(a) Business Confidential Information 5.3(b) Business Financial Statements 3.6(a) Business Intellectual Property 2.4(d) Business Intellectual Property License 5.16(a) Business Leases 5.22(a) Business Multiemployer Plans 3.15(g) Business Permits 3.12(b) Cap 9.2(b)(ii) Closing 2.3 Closing Date 2.3 Closing Restricted Cash Balances 5.24 Closing Retention Amount 5.7(o)(i) Closing Statement 2.9(b) Combined Tax Return 6.4(a) Company Representatives 3.22(a) Competing Business 5.14(c)(ii) Confidentiality Agreement 5.3(a) Consultation Process 2.14 Continuing Intercompany Accounts 5.6 Counterparty Marks 5.9(a) Covered Person 5.14(b) Credit Enhancements 3.18 Current Business Employee 5.2(b)(i) Business Recitals Claim 9.7(aCustomer Locations 2.4(e) De Minimis Amount 9.2(b)(i) Deductible 9.2(b)(i) Dispute Notice 2.9(d) Dispute Resolution Period 2.9(d) Effective Time 5.6 Estimated Adjustment Amount 2.9(b) Estimated Closing 1.3(aCash Amounts 2.9(b) Estimated Closing Date 1.3(aFunded Debt 2.9(b) Excluded Assets 2.5 Excluded Customer Contracts 2.5(e) Final Purchase Price 2.9(j) Foreign Acquisition Agreements 2.12 Foreign Closing Working Capital 1.4(aDocuments 2.8(a)(vi) Closing Working Capital Statement 1.4(aFrench Assets 2.14 French Interests 2.14 French Offer Letter 2.14 French Purchase Price 2.14 Indemnified Party 9.4(a) Common Units 3.1(e)(vIndemnifying Party 9.4(a) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(hIndependent Accounting Firm 2.9(d) Controlling Party 10.7(cIntercompany Accounts 5.6 Intercompany Arrangements 5.6 Lease Determination Period 5.22(a) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c) Financial Statements 2.5(a) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a3.11(a) Minimum Claim Amount 9.3(aMEP Employee 5.7(m)(i) Net Working Capital Adjustment 1.4(d)(iiNew UK Plan 5.7(k)(v) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(cRegulatory Approvals 2.11(b) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(kOFAC 3.22(c) Northern Border Credit Agreements 7.2(kOutside Date 8.1(d) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(bPension Accounting Report 2.9(i) Northern Border Returns 10.4(bPost-Closing Adjusted Purchase Price 2.9(f) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble PartPost-Year Fraction 10.5(aClosing Statement 2.9(c) Pre-Closing Period 4.1 Assumed Affiliated Account Service Agreement 5.6 Pre-Closing Taxable Reorganization 5.13 Pre-Closing Separate Tax Return 6.4(a) Prorated Bonus Amount 5.7(i) Purchased Assets 2.4 Purchased Consolidated Companies 2.4(a) Purchased Consolidated Company Interests 2.4(a) Purchased Consolidated Venture 2.4(a) Purchased Consolidated Venture Interests 2.4(a) Purchased Customer Contracts 2.4(b) Purchased Entity Shares 2.4(a) Purchased Entity(ies) 2.4(a) Purchased Non-Consolidated Venture 2.4(a) Purchased Non-Consolidated Venture Interests 2.4(a) Purchased Venture Governing Documents 3.2(c) Purchased Venture Interests 2.4(a) Purchased Ventures 2.4(a) Purchaser Preamble Purchaser 401(k) Plan 5.7(g) Purchaser Field of Use 5.16(b) Purchaser FSA Plan 5.7(e) Purchaser Indemnified Parties 9.2(a) Purchaser Material Adverse Effect 4.1 Purchaser Substitute Retention Arrangement 5.7(o)(ii) Purchaser Tax Indemnified Parties 6.1 Purchaser’s Actuary 2.9(i) Purchaser’s Allocation Notice 2.10 Retained Intellectual Property 5.16(b) Retained Intellectual Property License 5.16(b) Retained Lease 5.22(a) Retained Liabilities 2.7 Retention Program 5.7(o)(i) Retention Schedule 5.7(o)(i) Sample Closing Statement 2.9(a) Securities Act 4.7 Seller Preamble Seller 401(k) Plans 5.7(g) Seller Businesses 5.16(a) Seller Field of Use 5.16(a) Seller FSA Plan 5.7(e) Seller Indemnified Parties 9.3(a) Seller Tax Indemnified Parties 6.2 Seller’s Allocation 2.10 Separation Work 5.23 Shared Facility 5.22(b) Shared Space 5.22(c) Specially Designated National or Blocked Person 3.22(c) Specified Business Multiemployer Plans 5.7(m)(iv) Specified Intellectual Property 5.16(b) Specified Intellectual Property License 5.16(c) Specified Intellectual Property License Period 10.6(a)(i5.16(c) Purchase Price 1.2 Related Straddle Period Separate Tax Return 6.4(b) Sublease Agreement 5.22(b) Subsequent Loss 6.5(d) Tax Group 3.14(a) Third Party 2.14 Resolution Claim 9.4(a) Third-Party Account-Level Supplier Contracts 2.4(b) To-Be-Terminated Intercompany Arrangements 5.6 Transaction Preamble Transaction Accounting Principles 2.9(a) Transfer Taxes 6.12 Transferred Business Employee 5.7(a) Transferred FSA Balances 5.7(e) Transferred International Business Employees 5.7(k) Transferred Lease 5.22(a) Transferred Permits 2.4(j) Transition Period 1.4(b5.9(a) Transition Services Agreement 1.3(b)(ii2.8(a)(iii) Shares Recitals Straddle Periods 10.4(bU.S. Sanctions 3.22(c) Tax Controversy 10.7(aWARN Act 3.15(n) Tax Indemnitor 10.7(aWARN List 5.7(l) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m)ARTICLE II

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given assigned to such terms in the indicated Sections of this Agreementthe Agreement set forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aAcquisition Transaction 5.3(a) Aggregate ONEOK Damages 9.3(aAction 3.13 Agreement Preface CERCLA 3.21(a)(i) Agreement Preamble Audits 2.6(eCertificates 2.2(a) Closing 1.2(a) Closing Date 1.2(a) Code 2.3 Company Preface Company Balance Sheet 2.5(a) 3.8 Company Balance Sheet Date 3.8 Company Benefit Plan 3.16(a) Company CBAs 3.20(a) Company Common Stock 3.5(a) Company Disclosure Schedule Preamble Article III Company Financial Advisor 3.26 Company Financial Statements 3.8 Company Intellectual Property 3.19(b) Company Pension Plan 3.16(c) Company Registered Items 3.19(c) Company SEC Reports 3.7(a) Company Securities 3.5(c) Company Stockholder 2.1 Company Stockholder Approval 3.2(a) Company Stockholder Meeting 5.4(a) Company Stock Option 2.6(a) Company Stock Plans 2.6(a) Company Subsidiary Securities 3.6(b) Confidentiality Agreement 5.2 Copyrights 3.19(a) DGCL 1.1 Dissenting Shares 2.5(a) Books and Records 5.2(b)(iDOJ 7.1(a) Business Recitals Claim 9.7(aEffective Time 1.2(b) Closing 1.3(aEnvironment 3.21(a)(ii) Closing Date 1.3(aEnvironmental Action 3.21(a)(iii) Closing Working Capital 1.4(aEnvironmental Clean-Up Site 3.21(a)(iv) Closing Working Capital Statement 1.4(aEnvironmental Laws 3.21(a)(v) Common Units 3.1(e)(vEnvironmental Liabilities 3.21(a)(vi) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(hEnvironmental Permit 3.21(a)(vii) Controlling Party 10.7(cERISA 3.16(a) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity ERISA Affiliate 3.16(a) ESPP 2.6(d) Exchange Act 3.3 FTC 7.1(a) GAAP 3.7(e) Hazardous Substances 3.21(a)(viii) HSR Act 3.3 Indemnified Parties 6.2(a) Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c3.19(a) Financial Statements 2.5(aIntellectual Property Rights 3.19(a) FMV Schedules 10.10(aIntervening Event 5.3(d) Governmental Approvals 6.3(aLease 3.18(c) GP Purchase Agreement 7.1(hLeased Real Property 3.18(a) Indemnitee 9.7(aMarks 3.19(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a3.14(a) Minimum Claim Amount 9.3(aMerger Recitals Merger Consideration 2.1(a) Net Working Capital Adjustment 1.4(d)(iiMerger Sub Preface Notice Period 5.3(c) Neutral Auditors 1.4(cNYSE 3.3 Other Antitrust Laws 3.3 Owned Real Property 3.18(a) NGA 2.17 NonParent Preface 52 Patents 3.19(a) Paying Agent 2.2(a) Payment Fund 2.2(a) Pension Plan 3.16(b) Permitted Liens 3.17(a) Policies 3.24(a) Products 3.25(a) Proprietary Information 3.19(a) Proxy Statement 3.10 Real Property 3.18(a) Release 3.21(a)(ix) Representatives 5.2 Xxxxxxxx-Controlling Party 10.7(cXxxxx Act 3.7(a) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(kSEC 3.3 SEC Comments 5.4(b) Northern Border Credit Agreements 7.2(kSecurities Act 3.7(a) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(bSuperior Proposal 5.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(bSurviving Corporation 1.1 Tax 3.15(a) Tax Controversy 10.7(aReturns 3.15(a) Tax Indemnitor 10.7(aTaxing Authority 3.15(a) Tax Records 10.1 TransCanada Agreement 7.1(hTermination Fee 9.4(a) Viking Indenture 7.2(mThird Party Proposal 5.3(a) Uncertificated Shares 2.2(a) WARN Act 3.20(d)

Other Defined Terms. For the purpose of this AgreementIn addition, the following terms shall have the meanings given ascribed to them in the indicated Sections corresponding section of this Agreement: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aAcquiring Party 5.16(d) Aggregate ONEOK Damages 9.3(a) AEB Buyer 5.17 AEB Transaction 5.17 Agreement Preamble Audits 2.6(eAllocation Principles 2.13 Alternative Structure Reorganization 5.21 Antitrust Laws 3.3(b) Balance Sheet 2.5(aApprovals 2.14(a) Assignment Agreement and Xxxx of Sale 2.8(a)(iii) Assumed Liabilities 2.6 Balance Sheet Date 2.5(a) Books and Records 5.2(b)(i3.5(a) Business Recitals Claim 9.7(aBalance Sheet 3.5(a) Business Contracts 2.4(a) Business Financial Statements 3.5(a) Business Intellectual Property 2.4(b) Business Intellectual Property License. 5.16(b) Business Permits 3.11(b) Business Products. 5.16(a) Cap 9.2(b)(iii) Closing 1.3(a) 2.3 Closing Adjustment 2.9 Closing Date 1.3(a2.3 Closing Statement 2.9 COBRA 5.6 Confidential Business Information 5.3(b) Closing Working Capital 1.4(aConfidentiality Agreement 5.3(a) Closing Covered Person 5.12(a) Cross License. 5.16(b) Current Business Employee 5.6(a) De Minimis Amount 9.2(b)(i) Deductible 9.2(b)(i) Dispute Notice 2.11(a) Exchange Act 5.15 Excluded Assets 2.5 Final Allocation 2.13 Final Working Capital Statement 1.4(a2.11(c) Common Units 3.1(e)(vForeign Closing Documents 2.8(a)(iv) Companies Recitals German Assets Purchase 6.4 German Purchased Assets 6.4 German Purchased VAT Receipt 6.4 German VAT Amount 6.4 Government Officials 3.18 Guarantees 5.7 Indemnified Party 9.4(a) Indemnifying Party 9.4(a) Inter-Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(hContracts 3.15 Inventory 2.4(d) Controlling Party 10.7(cIP Materials 5.19 Land Division Act 5.18(a) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Material Contracts 3.10(a) Mexican Exported Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c) Financial Statements 2.5(a) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Mexican Exported Assets Purchase Agreement 7.1(h6.3(a) Indemnitee 9.7(aMexican Exported VAT Receipt 6.3(a) 55 Indemnitor 9.7(aMexican Purchased Assets 6.3(b) Indemnity Threshold 9.3(aMexican Purchased Assets Purchase 6.3(b) Interim Financial Statements 6.12 KCC Consent 7.1(gMexican Purchased VAT Receipt 6.3(b) License Period 6.9 Material Contracts 2.10(aMexican VAT Amount 6.3(c) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(cTransferred Assets 2.14(d) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(kOEM 2.14(b) Northern Border Credit Agreements 7.2(kOEM Program 2.14(b) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(aOutside Date 8.1(d) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(iWC Claims 5.9(b) Proposed Reorganization 5.21 Purchase Price 1.2 Related Party 2.14 2.2 Purchased Assets 2.4 Purchaser Preamble Purchaser 401(k) Plan 5.6(g) Purchaser Indemnified Parties 9.2(a) Purchaser Portion of the Shared Contract Liabilities 2.14(c) Purchaser’s Allocation 2.13 Regulation S-X 5.15 Resolution Period 1.4(b2.11(b) Services Agreement 1.3(b)(iiRetained Business Products 5.16(b) Shares Retained Intellectual Property 2.5(c) Retained Intellectual Property License. 5.16(a) Retained Liabilities 2.7 Review Period 2.11(a) Schedule Update Period 5.19 Seller Preamble Seller 401(k) Plans 5.6(g) Seller Indemnified Parties 9.3(a) Seller’s Allocation Notice 2.13 Shared Contract 2.14(c) Third Party Claim 9.4(a) Transaction Recitals Straddle Periods 10.4(bTransfer Taxes 6.2 Transferred Business Employee 5.6(a) Tax Controversy 10.7(aTransferred Permits 2.4(e) Tax Indemnitor 10.7(aTransition Period 5.6(b) Tax Records 10.1 TransCanada Agreement 7.1(hVAT Treatment 6.7 WARN Act 3.14(g) Viking Indenture 7.2(m)Warranty Deductible 9.2(b)(ii) Workers Compensation Policies 5.9(b) Working Capital Adjustment 2.13 Working Capital Referee 2.11(c) Working Capital Statement 2.10

Other Defined Terms. For the purpose of this AgreementIn addition, the following terms shall have the meanings given ascribed to them in the indicated Sections corresponding section of this Agreement: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a) Aggregate ONEOK Damages 9.3(a) Account Purchase Agreements 5.18 Agreement Preamble Audits 2.6(eAnti-Corruption Laws 3.16(b) Balance Sheet 2.5(aApprovals 2.10(a) Assignment Agreement and Bill of Sale 2.8(a)(v) Assumed Liabilities 2.6 Balance Sheet Date 2.5(a3.7(c) Books and Records 5.2(b)(iBase Purchase Price 2.2 Business Financial Information 3.7(a) Business Recitals Insurance Policies 2.4(m) Business Intellectual Property 2.4(d) Business Permits 3.16(c) Central States MEPP 5.19 Claim 9.7(aExpenses 2.13(f) Claim Recovery 2.13(a)(ii) Closing 1.3(a) 2.3 Closing Date 1.3(a2.3 Closing Statement 2.9(b) Closing Working Capital 1.4(aConfidential Business Information 5.3(b) Closing Working Capital Statement 1.4(aConfidentiality Agreement 5.3(a) Common Units 3.1(e)(vContinuing Employee 6.1(c) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(h) Amount 5.19 control 1.1 controlled by 1.1 Controlling Party 10.7(c7.4(b) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Current Representation 11.15(a) DC Employees 6.5 Deferred Payment Dispute Notice 2.12(b) Designated Person 11.15(a) Dispute Notice 2.9(d) Dispute Resolution Period 2.9(d) DOL 3.19(a) Earn-Out Payment 2.11(a) Earn-Out Statement 2.12(a) EBITDA Target 2.11(a) Estimated Adjustment Amount 2.9(b) Estimated Closing Cash Amounts 2.9(b) Estimated Closing Funded Debt 2.9(b) Excess Allotment 2.13(a)(ii) Excluded Assets 2.5 FAR 3.12(a)(xv) Final Purchase Price 2.9(f) GDB Claim Expenses 2.13(f) GDB Claim Recoveries 2.13(a)(i) GGB Claim Expenses 2.13(f) GGB Claim Recoveries 2.13(a)(ii) GGB Loss Statement 2.12(a) Guarantees 5.7 HCERA 3.19(j) Healthcare Reform Laws 3.19(j) Indemnified Party 10.4(a) Indemnifying Party 10.4(a) Independent Accounting Firm 2.9(d) Inside Date 2.3 IRS 3.19(a) Leased Real Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c2.4(c)(ii) Financial Statements 2.5(a) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a3.12(a) Minimum Claim Amount 9.3(aNew Plans 6.2(c) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c7.4(b) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(kOld Plans 6.2(c) Northern Border Credit Agreements 7.2(kOutside Date 9.1(d) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(bOwned Real Property 2.4(c)(i) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble PartPost-Year Fraction 10.5(aClosing Representation 11.15(a) Post-Closing Statement 2.9(c) PPACA 3.19(j) Pre-Closing Separate Tax Return 7.2(a) Privileged Communications 11.15(b) Public Software 3.10(d)(i) Purchased Assets 2.4 Purchased Entities 2.4(a)(i) Purchased Entity 2.4(a)(i) Purchased Entity Shares 2.4(a)(i) Purchased Venture Interests 2.4(a)(ii) Purchased Ventures 2.4(a)(ii) Purchaser Preamble Purchaser Covered Person 5.12(b) Purchaser DC Plans 6.5 Purchaser FSA Plan 6.2(e) Purchaser Indemnified Parties 10.2(a) Purchaser Licensed Intellectual Property 5.8(c) Purchaser-Filed Tax Return 7.2(b) Qualified Benefit Plan 3.19(b) R&W Insurance Policy 5.15 Real Property 2.4(c)(ii) Reimbursable Contribution Events 5.19 Retained Businesses 1.1 Retained Claim Recovery 2.13(a) Retained Liabilities 2.7 Review Period 4.1 Pre-2.12(a) Sale Process NDA 5.3(a) Sample Closing Taxable Period 10.6(a)(iStatement 2.9(a) Purchase Price 1.2 Related Seller Preamble Seller Covered Person 5.12(a) Seller DC Plans 6.5 Seller Deferred Compensation Plans Section 6.6 Seller FSA Plan 6.2(e) Seller Indemnified Parties 10.3 Seller Insurance Policies 5.9 Seller Licensed Intellectual Property 5.8(b) Seller Parent Preamble Seller Parent Conditional Guaranty 5.16 Seller Parent’s Applicable GDB Portion 2.13(a)(i) Seller Parent’s Applicable Portion 2.13(a)(ii) Seller Returns 7.2(a) Shared Contract 2.10(e) Statement 2.12(a) Tax Claim 7.4 Third Party 2.14 Resolution Period 1.4(bClaim 10.4(a) XXXX 3.12(a)(xv) Transaction Recitals Transaction Accounting Principles 2.9(a) Transfer Taxes 7.8 Transferred FSA Balances 6.2(e) Transferred Tangible Personal Property 2.4(e) Transition Services Agreement 1.3(b)(ii2.8(a)(iii) Shares Recitals Straddle Periods 10.4(bunder common control with 1.1 Unreimbursed Claim Expenses 2.13(f) Tax Controversy 10.7(aUnreimbursed GDB Claim Expenses 2.13(f) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(mUnreimbursed GGB Claim Expenses 2.13(f)

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given assigned to such terms in the indicated Sections of this Agreementthe Agreement set forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aAction 3.14 Acquired Company Preamble Acquired Company Benefit Plan 3.15 Acquired Company Disclosure Schedule Preamble to Article III Acquired Company Disclosure Schedule Supplement 6.6(a) Aggregate ONEOK Damages 9.3(aAcquired Company Intellectual Property 3.9(d) Acquired Company Licenses 3.9(d) Acquired Company Owned Intellectual Property 3.9(b) Acquisition 2.1 Affected Employee 7.2(a) Agreement Preamble Audits 2.6(eApplicable Survival Period 11.1(b) Balance Sheet 2.5(a3.4(a) Buyer Preamble Buyer Disclosure Schedule Preamble to Article V Buyer Guaranty 14.3(a) Buyer’s Guarantor Preamble Buyer Indemnitees 11.2(a) Closing 2.2 Closing Date 2.2 Closing Date Balance Sheet Date 2.5(a2.4(b)(i) Books and Records 5.2(b)(iCommon Stock Recitals Confidential Information 13.3 Deductible 11.2(d) Business Recitals Claim 9.7(aDispute Notice 2.4(c) Closing 1.3(aDispute Period 2.4(c) Employee Supplemental Retention Amount 7.2(b) Ending Escrow Amount 2.6(a) Escrow Account 2.3(a)(ii) Estimated Closing Date 1.3(a) Closing Working Capital 1.4(a) Closing Working Capital Statement 1.4(a) Common Units 3.1(e)(v) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(h) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(cNet Asset Value 2.4(a) Financial Statements 2.5(a3.4(a) FMV Schedules 10.10(aGAAP 3.4(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(aImprovements 3.25 Indemnifiable Tax 12.7(a) Indemnity Threshold 9.3(aCap 11.2(d) Independent Accountants 2.4(f) Intellectual Property 3.9(a) Interim Financial Statements 6.12 KCC Consent 7.1(g3.4(a) License Period 6.9 Leases 3.8(b) Losses 11.2(a) Management Incentive Plan Tax Benefit Amount 12.9 Management Supplemental Retention Amount 7.2(c) Material Contracts 2.10(a3.13(c) Minimum Claim Amount 9.3(aMaterial Customers 3.22 Negative Net Asset Adjustment 2.4(g) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(cCompete Period 13.1 Non-Compete Sellers 13.1 Notice of Claim 11.4(a) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(kPolicies 3.18 Position Statement 2.4(f) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) PrePost-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(iDelivery 2.4(b) Purchase Price 1.2 Related Party 2.14 Preliminary Title Report 8.4(b) Purchased Securities Recitals Real Property 4.8 Resolution Period 1.4(b2.4(e) Services Agreement 1.3(b)(iiRivergate Preamble Seller Preamble Seller Disclosure Schedule Preamble to Article IV Seller Disclosure Schedule Supplement 6.6(b) Shares Recitals Straddle Periods 10.4(bSeller Indemnitees 11.3 Sellers’ Guarantor Preamble Sellers’ Guaranty 14.2(a) Short Year Returns 12.3 Survey 8.4(c) Tax Controversy 10.7(aProceeding 12.7(a) Tax Indemnitor 10.7(aThird Party Claim 11.4(a) Tax Records 10.1 TransCanada Agreement 7.1(hThird Party Defense 11.4(b) Viking Indenture 7.2(mThird Party Licenses 3.9(d) Transactional Reps 11.1(a)

Other Defined Terms. For In addition to the purpose defined terms set forth in Section 1.01 of this AgreementExhibit A, each of the following capitalized terms shall have has the meanings given respective meaning specified in the indicated Sections of this AgreementSection set forth opposite such term below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a) Aggregate ONEOK Damages 9.3(a) Agreement Preamble Audits 2.6(ePreamble Annual Bonus Plan 6.10(e) Balance Sheet 2.5(aBankruptcy and Equity Exceptions 3.04 Book-Entry Shares 2.02(b)(i) Balance Sheet Date 2.5(aCash LTI Award 2.03(b) Books and Records 5.2(b)(iCertificate 2.02(b)(i) Business Recitals Claim 9.7(a) Certificate of Merger 1.02 Closing 1.3(a) 1.03 Closing Date 1.3(a1.03 Collective Bargaining Agreement 3.10 Company Preamble Company Acquisition Agreement 5.02(b) Closing Working Capital 1.4(aCompany Adverse Recommendation Change 5.02(b) Closing Working Capital Statement 1.4(a) Common Units 3.1(e)(v) Companies Company Articles 3.01 Company Board Recitals Company Recitals Board Recommendation 3.04 Company Subsidiary 2.2 Contribution Agreement 7.1(hBylaws 3.01 Company Common Stock 2.01(a)(i) Controlling Party 10.7(cCompany Disclosure Schedule Article III Company Employee 6.10(a) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c) Company Financial Statements 2.5(a3.06(a) FMV Schedules 10.10(aCompany Indemnified Parties 6.09(a) Governmental Approvals 6.3(aCompany Indemnified Party 6.09(a) GP Company Intervening Event 5.02(g)(iii) Company Material Contract 3.15(a) Company Projections 3.21 Company Reports 3.06(a) Company Stockholder Approval 3.04 Company Stockholders Meeting 3.04 Company Subsidiaries 3.01 Company Takeover Proposal 5.02(g)(i) Company Termination Fee 8.02(b) Company Voting Debt 3.03(b) Consent 3.05(b) Continuation Period 6.10(a) D&O Insurance 6.09(c) DGCL 1.01 Dissenting Share 2.04(a) EAR 3.12 Effective Time 1.02 End Date 8.01(b) Environmental Permit 3.14(a)(i) Equity Securities 3.03(b) Exchange Act 3.05(b)(i) Filing 3.05(b) Final Purchase Agreement 7.1(hDate 2.03(c) Indemnitee 9.7(aGAAP 3.06(a) 55 Indemnitor 9.7(aGuarantor Preamble HSR Act 3.05(b)(ii) Indemnity Threshold 9.3(aInsurance Policies 3.18 IRS 3.09(b) Interim Financial Statements 6.12 KCC Consent 7.1(gITAR 3.12 Legal Restraint 7.01(b) License Period 6.9 Material Contracts 2.10(aMerger 1.01 Merger Sub Preamble Parent Preamble Parent Termination Fee 8.02(b) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(aPaying Agent 2.02(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(iPayment Fund 3.03(a) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(bPreferred Stock 6.01(a) Services Agreement 1.3(b)(iiProxy Statement 5.02(d) Shares Recitals Straddle Periods 10.4(bRecommendation Change Notice 5.02(a) Tax Controversy 10.7(aRepresentatives 3.05(a) Tax Indemnitor 10.7(aRequired Consents 3.05(b)(ii) Tax Records 10.1 TransCanada Agreement 7.1(hRequired Statutory Approvals 6.10(d) Viking Indenture 7.2(mRetention Program 6.03(d)(ii) ROW Conclusion 3.12 Sanctions 3.05(b)(i) SEC 3.05(b)(i) Securities Act 5.02(g)(ii) Superior Company Proposal 5.02(c) Superior Proposal Notice 5.02(c) Surviving Corporation 1.01 Takeover Statute 3.13 Transaction Litigation 6.03(a)

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given are defined in the indicated Sections of this Agreement: INDEX sections indicated. Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aAdditional MD Office Transaction Expenses 6.07 Benefit Plan 3.16(a) Aggregate ONEOK Damages 9.3(aCalifornia Agreement of Merger 3.02(b) Agreement Preamble Audits 2.6(eClaim Value 7.06 Closing Statement 2.12(a) Balance Sheet 2.5(a) Balance Sheet Date 2.5(a) Books and Records 5.2(b)(i) Business Recitals Claim 9.7(a) Closing 1.3(a) Closing Date 1.3(a) Closing Working Capital 1.4(a) Closing Working Capital Statement 1.4(a) Common Units 3.1(e)(v) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(h) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c3.11(b) Customer(s) 6.09(d) Digirad Indemnified Parties 7.02(a) Disputed Amounts 2.12(e) Dissenting Shares 2.08 Earn-Out Escrow 2.13 (a) Earn-Out Resolution Period 2.13 (c) Escrow 6.05 Escrow Shares 2.06(e) Financial Statements 2.5(a3.06 Indemnification Payment 7.11 Indemnifying Party 7.05(a) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Balance Sheet 3.06 Interim Financial Statements 6.12 KCC Consent 7.1(g3.06 Xxxxxx Agreement 2.11(a)(ix) License Leases 3.10(b) Loss 7.02(a) Material Contract 3.09(a) Material Customer 3.25 Merger Recitals Merger Sub Common Stock 2.06(c) New Service Agreements or New Service Agreement 2.11(ix) Notice of Objection 2.13 (c) Permitted Encumbrances 3.10(a) Post-Closing Adjustment 2.12(b) Post-Closing Adjustment Payment 2.12(b) Potential Claims 3.13(a) Public Documents 5.05 Qualified Benefit Plan 3.16(b) Requisite Company Vote 3.02(a) Required Financials 6.01(b) Response Notice 7.05(b) Review Period 6.9 Material Contracts 2.10(a2.12(c) Minimum Claim Amount 9.3(aSamia Agreement 2.11(viii) Net Statement of Objections 2.12(d) Stockholder Indemnified Parties 7.02(c) Takeover Statute 3.29 Territory 6.09(d) Unresolved Items 2.13 (c) Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b2.12(d) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m)Year End Financial Statements 3.06

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given defined for such terms in the indicated Sections of this Agreementset forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a) Aggregate ONEOK Damages 9.3(aAFM 3.03(a) Agreement Preamble Audits 2.6(eAssets 2.01(a) Balance Sheet 2.5(aAssignee 11.02(b) Balance Sheet Date 2.5(aAssumed Liabilities 2.02(a) Books and Records 5.2(b)(iAT 3.08(a) Business Recitals Claim 9.7(aCash Dividend 3.05(a)(i) CFIUS 3.08(a) Closing 1.3(a) 2.05 Closing Date 1.3(a2.05 Communications Act 3.08(a) Closing Working Capital 1.4(aConfidentiality Agreement 5.02(b) Closing Working Capital Statement 1.4(aControlled Group 3.13(b) Common Units 3.1(e)(vDCC 7.01 Debt Financing Debt Financing Commitment 4.09(a) Companies Letter 4.09(a) Distribution Recitals Company Dutch Permits 3.12 Equity Financing 4.09(b) Equity Financing Commitment Letter 4.09(b) Euronext Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(hExcluded Assets 2.01(b) Controlling Party 10.7(cFCC 3.08(a) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Financing 4.09(b) Financing Preferred Shares 3.01(e) Governance Preferred Shares 3.01(e) Health Status Reports 3.18(a) Indemnified Parties 6.06(a) Insurance Policy 3.06 ITU 3.18(b) Joint Tax Proceeding 8.03(d) Leased Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c2.06(c) Financial Statements 2.5(aLiquidator 3.02(b) FMV Schedules 10.10(aMajor Stations 3.18(c) Governmental Management Board Recitals Material Backlog Contracts 3.11(b) NYSE Recitals Other Employees 7.03 Owned Property 2.06(c) Parent Preamble Parent Disclosure Schedule Article IV Parent Required Approvals 6.3(a4.03(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(aPermitted Transferee 11.02(c) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(iProposed Settlement 8.03(d) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b2.03(a) Services Agreement 1.3(b)(iiPurchaser Preamble Purchaser Pension Plan 7.02 Purchaser Pension Provider 7.02 Representatives 6.04(a) Required Seller Vote 3.02(b) Retained Cash Amount 2.01(b)(v) Retained Liabilities 2.02(b) Revised Confidentiality Terms 6.04(a) SEC 3.03(a) Seller Preamble Seller Articles 3.02(b) Seller Boards Recitals Seller Disclosure Schedule Article III Seller Financial Statements 2.01(a)(i) Seller Ground Stations 3.18(c) Seller Liquidation Recitals Seller Pension Plan 7.02 Seller Pension Provider 7.02 Seller Permits 3.12 Seller Plan 3.13(a) Seller Regulatory Reports 3.03(a) Seller Required Approvals 3.08(a) Seller Restricted Share 2.04(b) Seller Restric xxx Stock Plans 2.04(b) Seller Satellites 3.18(a) Seller SEC Reports 3.03(a) Seller Securities 3.01(e) Seller Shareholders Meeting 3.02(b) Seller Shares Recitals Straddle Periods 10.4(bSeller Stock Option 2.04(a) Seller Stock Option Plans 2.04(a) Seller Subsidiary Securities 3.01(f) Superior Proposal 6.04(a) Supervisory Board Recitals Target Subsidiaries 2.09(a) Tax Controversy 10.7(aProceeding 8.03(a) Tax Indemnitor 10.7(aTrade Register 3.03(a) Tax Records 10.1 TransCanada Agreement 7.1(hTransferred Seller Employees 7.01(a) Viking Indenture 7.2(m)ARTICLE II

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given assigned to such terms in the indicated Sections of this Agreementthe Agreement set forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aAcquired Balance Sheet 3.6 Acquired Balance Sheet Date 3.6 Acquired Company Recital Acquired Financial Statements 3.6 Acquired Shares Recital Acquired Subsidiary Shares 3.3(b) Aggregate ONEOK Damages 9.3(aAcquisition 2.1 Action 3.16(a) Agreement Preamble Audits 2.6(eAxxxxxx Mine 2.1(b) Applicable Survival Period 10.1(c) Buyer Preamble Buyer Annual Financial Statements 4.6 Buyer Balance Sheet 2.5(a) 4.6 Buyer Balance Sheet Date 2.5(a4.6 Buyer Common Stock 2.1(a) Books and Records 5.2(b)(i) Business Recitals Claim 9.7(a) Closing 1.3(a) Closing Date 1.3(a) Closing Working Capital 1.4(a) Closing Working Capital Statement 1.4(a) Common Units 3.1(e)(v) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(h) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c) Buyer Disclosure Schedule Preamble to Article IV Buyer Financial Statements 2.5(a4.6 Buyer Indemnitees 10.2(a) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Buyer Interim Balance Sheet 4.6 Buyer Interim Balance Sheet Date 4.6 Buyer Interim Financial Statements 6.12 KCC Consent 7.1(g4.6 Buyer SEC Report 4.12 Buyer Warranty Losses 10.2(b) License Period 6.9 Closing 2.2 Closing Date 2.2 Consents 3.5(a) Contingent Consideration 2.1(b) Contingent Milestone 2.1(b) Environment 3.18(a)(i) Environmental Action 3.18(a)(ii) Environmental Laws 3.18(a)(iii) Environmental Permits 3.18(a)(iv) Equity Payment Option 2.1(c) Hazardous Substances 3.18(a)(v) Intellectual Property 3.13(a) Liabilities 3.6 Material Contract 3.15(b) Maximum Liability Amount 10.6 (a) Milestone Notice 2.1(c) Minor Contracts 2.10(a3.15(e) Minimum Moving Average Price 2.1(a) Notice of Claim Amount 9.3(a10.4(a) Net Working Capital Adjustment 1.4(d)(iiPPO Price 2.1(a) Neutral Auditors 1.4(cPRMC Recitals PRMC Payable 3.14(xviii) NGA 2.17 Non-Controlling PRMC Minority Shareholding Recitals 8 Purchase Price Shares 2.1(a) Release 3.18(a)(vi) Seller Disclosure Schedule Preamble to Article III Seller Indemnitees 10.3(a) Seller Warranty Losses 10.3(b) Third Party 10.7(cClaim 10.4(a) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns Third Party Defense 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(mTraspaso de Acciones 2.3(b)

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given are defined in the indicated Sections of this Agreement: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(asections indicated. 203 Arizona Purchase Agreement preamble Agreement preamble Arizona Transaction Approval 7.2(f) Aggregate ONEOK Damages 9.3(aAssessments 3.16(c) Basket Amount 6.2(b) Business Relation 6.7(a)(ii) Buyer preamble Buyer Prepared Returns 6.3(a)(iii) Cannabist preamble Cap 6.2(b) CC VA preamble Claim Notice 6.4(d) Closing 2.5(a) Closing Date 2.5(a) Closing Item 2.4(a) Closing Statement 2.4(a) COBRA 3.14(b) Collateral 5.7(a)(ii) Company Recitals Company Collateral 5.7(a)(i) Company Employee Benefit Plan 3.14(a) Company Governing Documents 2.5(b)(iv) Confidential Information 5.8(a)(ii) CSA 9.13 Deposit 2.5(c)(i)(a) Employment and Services Agreement Preamble Audits 2.6(e3.14(f) Environmental Claims 3.17(b) Equity Recitals Estimated Cash 2.3 Estimated Closing Statement 2.3 Estimated Indebtedness 2.3 Estimated Transaction Expenses 2.3 Estimated Transaction Payments 2.3 Estimated Working Capital 2.3 Excess Amount 2.4(c) Excluded Federal Claims 9.13 Final Cash 2.4(a) Final Indebtedness 2.4(a) Final Transaction Expenses 2.4(a) Final Transaction Payments 2.4(a) Final Working Capital 2.4(a) Financial Statements 3.4(a) Funds Flow 2.5 IRS 3.14(a) Latest Balance Sheet 2.5(a3.4(a) Latest Balance Sheet Date 2.5(a3.4(a) Books and Records 5.2(b)(iLien Releases 2.5(b)(iii) Business Recitals Claim 9.7(aMajority Holders 9.12(d) Closing 1.3(aMarijuana Permits 3.16(b) Closing Date 1.3(aMaterial Contract 3.9(b) Closing Working Capital 1.4(aMember Prepared Returns 6.3(a)(ii) Closing Working Capital Statement 1.4(aMembers preamble Notes 2.5(b)(ii) Common Units 3.1(e)(vObjection Notice 6.2(d) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(h) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c) Financial Statements 2.5(a) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(ipreamble Pledged Collateral 5.7(a)(ii) Purchase Price 1.2 Related 2.2 Restricted Period 6.7(b) Schedules 9.11 Service Contracts 3.6(j) Shortfall Amount 2.4(d) Survival Period 6.1 SWC Arizona Purchase Agreement preamble Tax Contest 6.3(d) Third Party 2.14 Resolution Period 1.4(bClaim 6.4(a) Services Transfer Taxes 6.3(f) UCC 5.7(a)(iii) Utility Systems 3.6(h) Valuation Firm 2.4(b) Virginia Purchase Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(mpreamble WARN Act 3.13(e)

Other Defined Terms. For In addition to the purpose of terms defined above in this AgreementExhibit A, the following terms shall have the meanings given ascribed to such terms in the indicated Sections of this Agreementset forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a280G Vote Result 4.6 Acquisition Recitals Additional Option 1.6 Advisory Group 10.2 Agreement Date Preamble Applicable Limitation Date 9.3(b) Aggregate ONEOK Damages 9.3(aBasket 9.4(a)(i) Agreement Benefit Plans 2.14(a) Certificates 1.8(a) CFIUS 3.7 Closing 1.3 Closing Adjustment Statement 1.12(b) Closing Certificate 1.7 Closing Date 1.3 Company Preamble Audits 2.6(eConfidential Information 11.2(a) Contingent Workers 2.13(a) D&O Indemnified Parties 8.4 D&O Tail 0 DGCL Recitals Disclosure Schedules 2 Disputed Line Items 1.12(c) Dissenting Shares 1.9(a) Domain Name 2.7(j) EAR 2.7(l) Effective Time 1.3 Embedded Software 2.7(d) Employment Arrangements 1.10(a)(vi) Environmental Laws 2.16(c) Equityholder Representative Preamble Estimated Closing Balance Sheet 2.5(a1.12(a) Expense Fund 10.3 Expense Fund Amount 10.3 Final Closing Adjustment 1.12(f) Final Closing Adjustment Items 1.12(c) Final Closing Adjustment Statement 1.12(c) FIRMMA Pilot Program 3.7 General Survival Period 9.3(b) Government Officials 2.20(a) Holdback Period 1.11(b) Indemnification Cap 9.4(a)(ii) Indemnification Notice 9.3(c) Indemnifying Party 9.2(a) Information Statement 1.8(b) Interim Balance Sheet 2.3(a) Interim Balance Sheet Date 2.5(a2.3(a) Books and Records 5.2(b)(iMaterial Customers 2.10 Material Real Property Lease 2.6(a) Business Recitals Claim 9.7(aA-12 Term Section Merger Consideration 1.2(b) Closing 1.3(aMerger Sub Preamble Miles 11.4 Neutral Accountant 1.12(d) Closing Date 1.3(aObjection Notice 1.12(c) Closing Working Capital 1.4(aOption Cancellation Agreement 1.8(i) Closing Working Capital Statement 1.4(a) Common Units 3.1(e)(v) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(h) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c) Financial Statements 2.5(a) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble PartPaying Agent 1.8(a) Payment Schedule 1.7 Performance Benefit Agreement 4.4(b) Post-Year Fraction 10.5(aClosing Straddle Period 8.3(c) Post-Closing Tax Periods 8.3(a) Pre-Closing Straddle Period 4.1 8.3(c) Pre-Closing Taxable Period 10.6(a)(iTax Periods 8.3(a) Privacy Laws and Requirements 2.7(p) Privileged Materials 11.5 Product 2.8 Purchase Price 1.2 Adjustment Holdback Deficit 1.11(a) Purchaser Preamble Related Party 2.14 Resolution 2.18 Representative Engagement Agreement 10.2 Representative Expenses 10.2 Representative Group 10.2 Retained Key Owners 1.2(c) Retention Agreement 4.4(a) Retention Amount 4.4(a) Secretary 1.3 Straddle Return 8.3(c) Stub Period 1.4(b8.3(b) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(bSupplier 2.11 Surviving Corporation 1.1(a) Tax Controversy 10.7(aRepresentations 9.3(b) Tax Indemnitor 10.7(aThird Party Claim 9.2(a) Tax Records 10.1 TransCanada Agreement 7.1(hTransmittal Letters 1.8(b) Viking Indenture 7.2(m)Ultimate Parent Shares 1.2(c) Union 2.13(c) WARN Act 2.13(e) Written Stockholder Consent 1.10(a)(iii) EXHIBIT B AMENDED AND RESTATED COMPANY CHARTER EXHIBITS C-1 and C-2 FORM OF TRANSMITTAL LETTERS EXHIBIT D FORM OF OPTION CANCELLATION AGREEMENT EXHIBIT E FORM OF WARRANT CANCELLATION AGREEMENT EXHIBIT F EMPLOYMENT ARRANGEMENTS EXHIBIT G RETENTION RSUs EXHIBIT H PERFORMANCE RSUs EXHIBIT I DISCLOSURE SCHEDULES EXHIBIT J

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given defined for such terms in the indicated Sections of this Agreementset forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aACM 4.18(a) Aggregate ONEOK Damages 9.3(aAcquisition Proposal 6.5(a) Acquisition Sub Preamble Adjusted Option 3.3(c) Advance Contract 4.10(c) Agreement Preamble Audits 2.6(eBenefits Continuation Period 6.13(a) Balance Sheet 2.5(aTerm Section Blackstone 4.24 Board of Directors 6.5(a) Capitalization Date 4.5(a) Cash Fraction 3.3(b) Cash-Out Amount 3.3(b) Cash-Out Price 3.3(b) Certificate 3.6(b) Charter Amendment 6.2(a)(i) Closing 2.3(d) Closing Date 2.3(d) Company Preamble Company Balance Sheet Date 2.5(a4.8 Company Board of Directors Recitals Company Board Recommendation 6.2(a)(ii) Books Company Disclosure Letter Article IV Company Employees 4.13(a) Company Form 10-K Article IV Company Intellectual Property 4.17(a)(i) Company Plans 4.13(a) Company SEC Reports 4.7(a) Company Shares 3.1(a) Company Stockholders Meeting 6.2(a)(i) Company Termination Fee 8.2(b) Compensation 6.13(c) Current Employee 6.13(c) CVS Recitals Debt and Records 5.2(b)(iPurchase Contract Assumption 6.6(h)(ii) Business Deferred Compensation Distribution 6.13(b) DGCL Recitals Claim 9.7(aDiamond Certificate of Merger 2.3(b) Diamond LLC Recitals Term Section Diamond LLC Conversion Recitals Diamond Merger Recitals Diamond Reorganization 6.17 Dissenting Shares 3.5(b) Effective Time 2.3(e) Emerald Certificate of Merger 2.3(e) Emerald Merger Recitals Environmental Laws 4.18(c) Environmental Permits 4.18(c) Financing 5.11 Financing Commitment 5.11 First Operating Year 4.10(c) Form S-4 6.3(a) F Reorg 6.17 Gxxxxxx Sxxxx 4.24 HITS 4.5(a) HITS Indenture 4.22(a) HITS Purchase Contract Agreement 4.22(a) HSR Clearance 6.6(d) Indemnified Directors and Officers 6.8(a) Initial Closing 1.3(a2.3(a) Initial Closing Date 1.3(a2.3(a) Closing Working Capital 1.4(aInitial Effective Time 2.3(b) Closing Working Capital Statement 1.4(aIRS 4.13(b) Common Units 3.1(e)(vLeased Real Property 4.15(b) Companies Lucky Delaware 6.17 LXXXx 5.5(a) Material Contract 4.10(a) Materials of Environmental Concern 4.18(c) Mergers Recitals Company Multiemployer Plan 4.13(a) Term Section New Diamond Preamble New Diamond Merger Sub Preamble New Diamond Shares 3.1(a) Objection 6.6(d) Owned Real Property 4.15(a) Parent Preamble Parent Balance Sheet Date 5.7 Parent Board of Directors Recitals Company Subsidiary 2.2 Contribution Parent Board Recommendation 6.2(b) Parent Disclosure Letter Article V Parent Form 10-K Article V Parent Plan 6.13(d) Parent Rights Plan 5.5(a) Parent SEC Reports 5.6(a) Parent Shares 5.5(a) Parent Stockholders Meeting 6.2(b) Parent Termination Fee 8.2(c) Paying Agent 3.6(a) PBGC 4.13(b) Pledge Agreement 7.1(h6.6(h) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c) Financial Statements 2.5(a) FMV Schedules 10.10(a) Governmental Approvals Proxy Statement/Prospectus 6.3(a) GP Purchase Real Property Lease 4.15(b) Regulatory Termination Fee 8.2(d) Remarketing Agreement 7.1(h6.6(h) Indemnitee 9.7(aRepresentatives 6.5(a) 55 Indemnitor 9.7(aRequisite Company Stockholder Vote 4.2(a) Indemnity Threshold 9.3(aRequisite Parent Stockholder Vote 5.2(a) Interim Financial Statements 6.12 KCC Consent 7.1(gRights Plan 4.5(a) License Period 6.9 Material Contracts 2.10(aSEC 4.7(a) Minimum Claim Amount 9.3(aSeparate Balance Sheet Data 4.7(b) Net Working Capital Adjustment 1.4(d)(iiSeparate Operations Data 4.7(b) Neutral Auditors 1.4(cTerm Section Separation Agreement Recitals Share Issuance 5.2(a) NGA 2.17 Non-Controlling Standalone Drug Sale Agreement Recitals Superior Proposal 6.5(a) Surviving Corporation 2.2 Termination Date 8.1(c) Third Party 10.7(cUse and Occupancy Agreement 4.15(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(mWithdrawal Liability 4.13(d)

Other Defined Terms. For the purpose of this AgreementIn addition, the following terms shall have the meanings given ascribed to them in the indicated Sections corresponding section of this Agreement: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aABO 6.6(b) Aggregate ONEOK Damages 9.3(aAcquisition Proposal 5.3(c) Additional Cash Distribution 2.8 Agreement Preamble Audits 2.6(eAllocation 2.13(c) Balance Sheet 2.5(aAllocation Schedule 2.13(a) Alternative Financing 5.7(c) Amended and Restated LLC Agreement 5.18(b) Anti-Corruption Laws 3.12(b) Approvals 5.15(a) Balance Sheet Date 2.5(a3.7(a) Books and Records 5.2(b)(iBank Debt Merger Sub Preamble Base Secondary Equity Interests Cash Consideration See definition of Closing Secondary Equity Interests Cash Consideration, 1.1 Bond Debt Merger Sub Preamble Business Financial Information 3.7(a) Business Recitals Claim 9.7(aInsurance Policies See definition of Transferred Assets, 1.1 Business Intellectual Property See definition of Transferred Assets, 1.1 Business Permits See definition of Transferred Assets, 1.1 Business Software 3.10(e) Cash Amounts Principles See definition of Cash Closing Cash Shortfall, 1.1 Cash Balance Sheet Contributions 2.11(c) Cash Contribution 2.5 Cash Incentive Compensation 6.8 Cash Shortfall Contributions 2.11(c) CFC 7.9(b) Closing 1.3(a) 2.9 Closing Date 1.3(a2.9 Closing Statement 2.11(b) Collection Costs 9.4(b) Commercial Agreements 5.18(c) Commitment Letters 4.6(c) Confidential Business Information 5.3(b) Confidentiality Agreement 5.3(a) Conforming Determinations 7.9(b) Continuation Period 6.2(a) control See definition of Affiliate, 1.1 controlled by See definition of Affiliate, 1.1 Current Representation 11.15(a) Data Security Requirements 3.22(a) DC Transfer Amounts 6.5(b) Debt Commitment Letter Section 4.6(a) Debt Financing Section 4.6(a) Debt Merger Agreements 2.3 Debt Merger Subs Preamble Debt Mergers 2.3 Debt-Financed Distribution 2.4 Deferred Compensation Participants 6.7(a) Definitive Agreements 5.7(a) Delayed Employment Period 6.1(d) Delayed Transfer Employee 6.1(d) Designated Person 11.15(a) Dispute Notice 2.12(b) Dispute Resolution Period 2.12(b) Dutch AML Act 3.12(b) Equity Commitment Letter 4.6(c) Equity Financing 4.6(c) Equity Investors 4.6(c) Estimated Adjustment Amount 2.11(b) Estimated Closing Working Capital 1.4(aCash Shortfall 2.11(b) Estimated Closing Working Capital Statement 1.4(aFunded Debt 2.11(b) Common Units 3.1(e)(vExcess Amount See definition of Adjustment Amount, 1.1 Excluded Information See definition of Financing Information, 1.1 Fair Value Section 4.11 FCPA 3.12(b) Companies Final Secondary Equity Interests Cash Consideration 2.12(d) Financing 4.6(c) Financing Amounts 4.6(e) Financing Authorization Letters 5.7(c) Financing Entities See definition of Financing Parties, 1.1 Guarantees 5.9 Guaranty Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(hIndemnified Party 10.5(a) Controlling Indemnifying Party 10.7(c10.5(a) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Independent Accounting Firm 2.12(b) Intended Tax Treatment 7.5 Interim Secured Debt Section 2.10(b)(vi) International Transferred Employee 6.1(e) Inventory See definition of Transferred Assets, 1.1 Joint Steering Committee 5.19 Leased Real Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(cSee definition of Transferred Assets, 1.1 Lenders Section 4.6(a) Financial Statements 2.5(a) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a3.12(a) Minimum Claim Amount 9.3(aMisallocated Business IP Section 5.17(c) Net Working Capital Adjustment 1.4(d)(iiMisallocated Retained Business IP Section 5.17(c) Neutral Auditors 1.4(cNetworks 3.13(d) NGA 2.17 Non-Controlling Party 10.7(cNew Plans 6.2(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(kNew Subsidiaries 3.23(b) Northern Border Credit Agreements 7.2(kObjection Rights 6.1(b) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(bOFAC See definition of Sanctioned Person, 1.1 Offer Employee 6.1(c) Northern Border Returns 10.4(bOld Plans 6.2(c) OCC Consent 7.1(gOutside Date 9.1(d) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Owned Real Property See definition of Transferred Assets, 1.1 Parties Preamble Party Preamble PartPBGC Section 3.17(c) Pension Transfer Amounts 6.6(c) Phase-Year Fraction 10.5(aOut Period 5.10(a) Post-Closing Covenant 10.1(c) Post-Closing Representation 11.15(a) Post-Closing Statement 2.12(a) Pre-Closing Period 4.1 Restructuring Steps 5.14 Pre-Closing Taxable Period 10.6(a)(iStructure 5.14 Pre-Closing Tax Return 7.2(a) Purchase Price 1.2 Primary Equity Interests 2.5 Privileged Communications 11.15(b) Processing Matters 3.13(d) Prohibited Modifications 5.7(b) Property Taxes 7.8 Purchased Entity Preamble Purchased Entity Covered Person 5.16(b) Purchased Entity DC Plans 6.5(a) Purchased Entity Deferred Compensation Plans 6.7(a) Purchased Entity Equity Interests Recitals Purchased Entity FSA Plan 6.2(e) Purchaser Preamble Purchaser Indemnified Parties 10.2(a) Purchaser Related Parties 9.4(c) Purchaser Severance Amount Section 6.2(b) Purchaser’s Allocation 2.13(b) Reduction 7.5 Registered Business IP 3.10(a) Registration Rights Agreement 5.18(b) Relevant Assets 2.13(a) Retained Businesses See definition of Business, 1.1 Retained Transaction Expenses See definition of Retained Liabilities, 1.1 Reverse Termination Fee 9.4(a) Sale 2.6 Sale Process NDA 5.3(a) Sample Closing Statement 2.11(a) SEC Article III Secondary Equity Interests 2.6 Seller Preamble Seller Covered Person 5.16(a) Seller DC Plans 6.5(a) Seller Deferred Compensation Plans 6.7(a) Seller FSA Plan 6.2(e) Seller Indemnified Parties 10.3(a) Seller Insurance Policies 5.11 Seller Related Parties 9.4(c) Seller Tax Group See definition of Excluded Assets, 1.1 Seller’s Notice 2.13(b) Shared Contract 5.15(e) Shortfall Amount See definition of Adjustment Amount, 1.1 Specified Business Contracts See definition of Transferred Assets, 1.1 Specified Date 9.1(d) Specified Termination 9.4(a) Tax Consideration 2.13(a) Third Party 2.14 Resolution Period 1.4(bClaim 10.5(a) Trade Controls 3.13(f) Transaction Recitals Transfer Taxes 7.7 Transferee Pension Plans 6.6(a) Transferor Pension Plans 6.6(a) Transferred Employees 6.1(e) Transferred FSA Balances 6.2(e) Transferred Pension Plan Participants 6.6(a) Transferred Tangible Personal Property See definition of Transferred Assets, 1.1 Transition Services Agreement 1.3(b)(ii5.18(a) Shares Recitals Straddle Periods 10.4(bTUD Employee 6.1(b) Tax Controversy 10.7(aU.S. Transferred Employee 6.1(e) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m)under common control with See definition of Affiliate, 1.1 Worldpay Entities See definition of Transferred Assets, 1.1 Worldpay Entity Interests See definition of Transferred Assets, 1.1

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given assigned to such terms in the indicated Sections of this Agreementthe Agreement set forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a) Aggregate ONEOK Damages 9.3(a) Action 3.12 Agreement Preamble Audits 2.6(eAllocation Statement 2.9 Applicable Survival Period 6.1(b) Balance Sheet 2.5(aAssigned Contracts 2.1(f) Balance Sheet Date 2.5(aAssumed Liabilities 2.3 Assigned Prepaid Expenses 2.1(j) Books and Records 5.2(b)(iAssumption Agreement 2.7(a)(ii) Xxxx of Sale 2.7(a)(i) Business Recitals Claim 9.7(aBusiness Intellectual Property 3.9(b) Buyer Preamble Buyer Indemnitees 6.2(a) Clawback Escrow 2.10(b) Clawback Escrow Amount 2.10(a) Clawback Escrow Funds 2.10(b) Closing 1.3(a) 2.6 Closing Date 1.3(a) 2.6 Closing Working Capital 1.4(a2.8(a) Closing Working Capital Statement 1.4(a2.8(a) Common Units 3.1(e)(vCOBRA 5.4(g) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Contaminant 3.9(l)(i) Copyrights 3.9(a) Correspondence for the Buyer 5.10(f) Correspondence for the Seller 5.10(e) Cushion Amount 6.2(b) Disabling Code 3.9(l)(iv) Earnout Payment 2.5 Effective Date 2.6 Effective Time 2.6 Employee 3.14(a) ERISA Affiliate 3.13(b)(iii) Escrow Agent 2.10 Escrow Agreement 7.1(h) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing 2.10 Estimated Working Capital 1.4(c2.8(a) Excluded Assets 2.2 Excluded Books and Records 2.2(d) Excluded Liabilities 2.4 Designated Email Accounts 5.10(e) Final Working Capital 2.8(d) Financial Statements 2.5(a3.4(a) FMV Schedules 10.10(aGAAP 3.4(a) Governmental Approvals 6.3(aGeneral Escrow Amount 2.10(a) GP Purchase Agreement 7.1(hGeneral Escrow Funds 2.10(c)(i) Indemnitee 9.7(aIn-Bound Licenses 3.9(c) 55 Indemnitor 9.7(aDefense Review Period 6.4(b) Indemnity Threshold 9.3(aIndependent Expert 2.8(c) Intellectual Property 3.9(a) Intellectual Property Assignments 2.7(a)(iii) Interim Financial Statements 6.12 KCC Consent 7.1(g3.4(a) License Period 6.9 Losses 6.2(a) Material Contracts 2.10(aContract 3.11(b) Minimum Material Permit 3.6(b) Nondisclosure Agreements 3.9(h) Notice of Claim Amount 9.3(a6.4(a) Net Working Capital Adjustment 1.4(d)(iiNotice of Objection 2.8(b) Neutral Auditors 1.4(cOut-Bound Licenses 3.9(d) NGA 2.17 Non-Controlling Party 10.7(cOwned Business Intellectual Property 3.9(b) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(kPatents 3.9(a) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Policies 3.16 Pre-Closing Tax Period 4.1 Pre5.8(b) Post-Closing Taxable Tax Period 10.6(a)(i5.8(b) Proprietary Information 3.9(a) Public Software 3.9(l)(ii) Purchase Price 1.2 Related Party 2.14 Resolution 2.5 Purchased Assets 2.1 Representatives 5.1 Restricted Business 5.2(a) Restricted Period 1.4(b5.2(a) Review Period 2.8(b) Section 1060 Forms 2.9 Seller Preamble Seller Disclosure Schedule Preamble to Article III Seller Employees 5.4(e) Seller Indemnitees 6.3(a) Services Agreement 1.3(b)(ii2.7(a)(vi) Shares Recitals Straddle Periods 10.4(bSoftware 3.9(a) Tax Controversy 10.7(aThird Party Claim 6.4 Third Party Defenses 6.4 Trademarks 3.9(a) Tax Indemnitor 10.7(aTransferred Employee 5.4(a) Tax Records 10.1 TransCanada Transition Services Agreement 7.1(h2.7(a)(v) Viking Indenture 7.2(m)Upfront Purchase Price 2.5 Work Product Agreements 3.9(i) Annex II Earnout/Clawback

Other Defined Terms. For the purpose of this AgreementIn addition, the following terms shall have the meanings given ascribed to them in the indicated Sections corresponding section of this Agreement: INDEX EXHIBIT 2.1 Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a) Aggregate ONEOK Damages 9.3(a) Agreement Preamble Audits 2.6(eAlternative Debt Financing 5.19(b) Balance Sheet 2.5(aAnti-Corruption Laws 3.11(b) Balance Sheet Date 2.5(aAntitrust Action 5.1(d) Books Antitrust Laws 3.3 Approvals 2.11(a) Assignment Agreement and Records 5.2(b)(iXxxx of Sale 2.8(a)(v) Assumed Liabilities 2.6 Base Purchase Price 2.2 Business Contracts 2.4(b) Business Recitals Claim 9.7(aFinancial Statements 3.5(a) Business Intellectual Property 2.4(d) Business Permits 3.11(c) Cash Equity 4.4(a) Closing 1.3(a2.3 Closing Date 2.3 Closing Statement 2.9(b) Closing Date 1.3(aStructure 5.17 Commitment Letters 4.4(d) Competing Business 5.13(c) Confidential Business Information 5.3(b) Confidentiality Agreement 5.3(a) Current Representation 10.14(a) Debt Commitment Letter 4.4(d) Designated Person 10.14(a) Dispute Notice 2.9(d) Dispute Resolution Period 2.9(d) Environmental Covered Losses 5.16 Environmental Insurance Policy 5.16 Environmental Permits 3.12 Equity Commitment Letter 4.4(a) Estimated Adjustment Amount 2.9(b) Estimated Closing Working Capital 1.4(aCash Amounts 2.9(b) Estimated Closing Working Capital Statement 1.4(aFunded Debt 2.9(b) Common Units 3.1(e)(vExcluded Assets 2.5 FCPA 3.11(b) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(hFinal Allocation 2.1 Final Purchase Price 2.9(f) Controlling Foreign Acquisition Agreements 2.13 Foreign Closing Documents 2.8(a)(vi) Guarantees 5.8 Indemnified Party 10.7(c9.4(a) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Indemnifying Party 9.4(a) EXHIBIT 2.1 Independent Accounting Firm 2.9(d) Inventory 2.4(h) IP Contracts 3.10(a)(viii) Licensed Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c3.10(a)(viii) Financial Statements 2.5(a) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a3.10(a) Minimum Claim Amount 9.3(aNew Subsidiaries 4.12(a) Net Working Capital Adjustment 1.4(d)(iiOutside Date 8.1(d) Neutral Auditors 1.4(cOwned Real Property 2.4(c) NGA 2.17 NonPost-Controlling Party 10.7(cClosing Representation 10.14(a) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble PartPost-Year Fraction 10.5(aClosing Statement 2.9(c) Pre-Closing Period 4.1 PreRestructuring Steps 5.17 Privileged Communications 10.14(b) Proposed Allocation 2.1 Proprietary Information Agreement 3.8(i) Purchased Assets 2.4 Purchased Companies 2.4(a) Purchased Company 2.4(a) Purchased Company Employee 5.6(a) Purchased Company Shares 2.4(a) Purchased Company Tax Returns 6.1(a) Purchaser Preamble Purchaser 401(k) Plan 5.6(f) Purchaser Covered Person 5.13(b) Purchaser Indemnified Parties 9.2(a) Purchaser R&W Insurance Policy 5.18 Real Property Leases 2.4(c) Registered Intellectual Property 3.8(a) Retained Liabilities 2.7 Sale Transaction Recitals Sample Closing Statement 2.9(a) Satisfaction Date 2.3 Self-Closing Taxable Period 10.6(a)(iClaim Notice 9.4(c) Purchase Price 1.2 Related Seller Preamble Seller 401(k) Plans 5.6(f) Seller Covered Person 5.13(a) Seller Indemnified Parties 9.3(a) Shared Contract 2.11(e) Sponsor 4.4(a) Subsequent Loss 6.2(c) Supply Agreement 2.8(a)(iii) Tax Proceeding 6.7(a) Third Party 2.14 Resolution Period 1.4(bClaim 9.4(a) Third Party Claim Notice 9.4(a) Transaction Accounting Principles 2.9(a) EXHIBIT 2.1 Transaction Amounts 4.4(f) Transactions Recitals Transfer Taxes 6.6 Transferred Business Employee 5.6(a) Transferred Leased Property 2.4(c) Transferred Tangible Personal Property 2.4(e) Transition Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m2.8(a)(iv)

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given defined for such terms in the indicated Sections of this Agreementset forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a) Aggregate ONEOK Damages 9.3(a) Agreement Preamble Audits 2.6(eAccounts Receivable 3.20 Assigned Purchaser 12.1 Audited Entities 3.7 (b) Balance Sheet 2.5(a) 3.7 Balance Sheet Date 2.5(a) Books and Records 5.2(b)(i) Business Recitals Claim 9.7(a) 3.7 CSXWT Balance Sheet 3.7 Closing 1.3(a2.4 Closing Date 2.4 Closing Date Computations 2.3 (a) Closing Date 1.3(aDebt Computation 2.3 (a) Closing Date Debt Estimate Amount 2.2 Closing Date Working Capital 1.4(aComputation 2.3 (a) Closing Date Working Capital Statement 1.4(a) Common Units 3.1(e)(v) Companies Recitals Estimate Amount 2.2 Company Recitals Company Balance Sheet 3.7 Company Leased Property 3.14 (a) Company Leases 3.14 Company / Subsidiary 2.2 Contribution Agreement 7.1(hGroup 3.13 (b) Controlling Party 10.7(cCompany / Subsidiary Group Plans 3.13 (b) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC Continuing Employee(s) 6.1 Final Closing Working Capital 1.4(c(a) Term Section Dispute Notice 2.3 (d) DOJ 5.3 (a) Dongya Interest 5.17 Employee Benefit Plan 3.13 (b) ERISA Affiliate 3.13 (f) ERISA Plan 3.13 (d) Financial Statements 2.5(a3.7 FTC 5.3 (a) FMV Schedules 10.10(aIndemnifiable Cost 9.5 (e) Governmental Approvals 6.3(aIndemnified Party 9.2 (c) GP Purchase Agreement 7.1(hIndemnifying Party 9.2 (c) Indemnitee 9.7(aIntercompany Accounts 5.7 (a) 55 Indemnitor 9.7(aIRS 3.13 (c) Indemnity Threshold 9.3(aLoss 9.2 (a) Interim Financial Statements 6.12 KCC Consent 7.1(gMarks 5.6 (b) License Period 6.9 Material Contracts 2.10(aMultiemployer Plans 3.13 (b) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Newco 5.17 Newco Certificate 5.17 Newco Shares 5.17 Non-Controlling Party 10.7(cUS Benefit Plan 3.13 (b) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(kPBGC 3.13 (f) Northern Border Credit Agreements 7.2(kPension Plan 3.13 (d) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i) Property Taxes 7.10 Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b2.1 (b) Purchased Business 5.3 (a) Purchaser Business 5.3 (a) Purchaser Preamble Purchaser’s Accounting Expert 2.3 (b) Records 5.9 (b) Reduced Tax Benefit 9.5 (e) Response 2.3 (d)(i) Scheduled Intellectual Property 3.15 (c) Seconded Employees 5.10 Seller Preamble Seller Plans 3.13 (b) Seller’s Accounting Expert 2.3 (a) Services Agreement 1.3(b)(ii) 5.10 Shares Recitals Straddle Periods 10.4(bPeriod Tax Return 7.1 (b) Tax Benefit 9.5 (e) Tax Controversy 10.7(a9.3 (d) Tax Indemnitor 10.7(aThird Party Claims 9.2 (c) Tax Records 10.1 TransCanada Transition Services Agreement 7.1(h) Viking Indenture 7.2(m)5.10 waiving party 8.3

Other Defined Terms. For the purpose of this AgreementIn addition, the following terms shall have the meanings given ascribed to them in the indicated Sections corresponding section of this Agreement: INDEX Term Section 1935 Act 2.17 Affiliate 1.1 Aggregate Northern Border Damages 9.3(a) Cash Consideration 1.1 Aggregate ONEOK Damages 9.3(a) Consideration 2.2 Aggregate Share Consideration 1.1 Agreement Preamble Audits 2.6(eAllocation 6.1 Antitrust Approvals 1.1 Antitrust Laws 1.1 Antitrust Remedies 5.1(a) Balance Sheet 2.5(aApprovals 2.10(a) Balance Sheet Date 2.5(aAssignment and Assumption Agreement and Xxxx of Sale 2.8(a)(v) Assumed Liabilities 2.6 Bankruptcy Code 5.12(h) Benefit Plan 1.1 Business 1.1 Business Books and Records 5.2(b)(i1.1 Business Contracts 2.4(a) Business Recitals Claim 9.7(aDay 1.1 Business Employee 1.1 Business Field 1.1 Business Financial Statements 1.1 Business Material Adverse Effect 1.1 Business Proprietary Software 3.9(j) Closing 1.3(a) 2.3 Closing Date 1.3(a2.3 Code 1.1 Common Stock 4.2(b) Closing Working Capital 1.4(aConfidentiality Agreement 5.3(a) Closing Working Capital Statement 1.4(aContract 1.1 Contributor 3.9(b) Common Units 3.1(e)(vcontrol 1.1 Copyrights 1.1 Covered Persons 4.7(b) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(hCurrent Representation 10.13(a) Controlling Party 10.7(cDe Minimis Amount 9.2(c)(ii) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Deductible 9.2(c)(i) Designated Person 10.13(a) Disqualification Events 4.7(b) Enforceability Exceptions 3.2 Environmental Claim 1.1 Environmental Laws 1.1 ERISA 1.1 ERISA Affiliate 1.1 Excluded Assets 2.5 Excluded Business Tax 1.1 FCPA 4.25 Fundamental Purchaser Parties Representations 1.1 Fundamental Seller Representations 1.1 GAAP 1.1 General Indemnity Cap 9.2(b)(i) Governmental Entity 2.2 Entity 1.1 Guarantees 5.7 HSR Act 1.1 Indebtedness 1.1 Information Technology 1.1 Infringe 1.1 Infringement 1.1 Intellectual Property Rights 1.1 Internet Properties 1.1 Investors’ Rights Agreement 1.1 Judgment 1.1 Knowledge 1.1 Law 1.1 Leased Real Property 1.1 Liabilities 1.1 Licensable 1.1 Licensed Libraries 1.1 Licensee 5.12(g) Licensor 5.12(g) Lien 1.1 Losses 1.1 Marks 1.1 Material Contracts 3.13(a) Materials 5.8(c) Materials of Environmental Concern 1.1 Multiemployer Plan 1.1 Non-Antitrust Approvals 2.10(b) Non-Assignable Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c2.10(a) NYSE 1.1 Open Source Materials 1.1 Organizational Documents 1.1 Outside Date 8.1(d) Parent Preamble Parent Defined Contribution Plan 5.6(h) Parent Financial Statement Date 4.17 Parent Financial Statements 2.5(a4.17 Parent Option Plan 4.2(d) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parent Share Value 1.1 Parent Shares 1.1 Parent Termination Fee 8.4 Parties Preamble Party Preamble PartPatents 1.1 Pay with Cash Agreement 2.8(a)(ix) Payout Services Agreement 2.8(a)(xi) Payment Processing Agreement 2.8(a)(x) Permits 1.1 Permitted Liens 1.1 Person 1.1 Personal Data 1.1 Personal Information 4.26 Post-Year Fraction 10.5(a) Closing Period 1.1 Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i1.1 Preferred Stock 4.2(a) Purchase Price 1.2 Privacy Agreements 3.10(a) Privacy Laws 3.10(a) Proceeding 1.1 Processing 3.10(a) Property Taxes 1.1 Purchased Assets 2.4 Purchaser Preamble Purchaser Indemnified Parties 9.2(a) Purchaser Licensed IP 1.1 Purchaser Licensed Patents 1.1 Purchaser Parties Preamble Purchaser Parties Disclosure Schedules 1.1 Purchaser Parties Material Adverse Effect 1.1 R&W Insurance Policy 5.13(a) R&W Insurer 5.13(a) Registered Intellectual Property 1.1 Regulatory Termination 8.4 Related Party 2.14 Resolution 4.12 Representatives 1.1 Residuals 5.12(i) Retained Business 1.1 Retained Claims 2.5(l) Retained Field 1.1 Retained Liabilities 2.7 Retained Technology 1.1 SEC 5.3(b) Securities Act 1.1 Seller Preamble Seller 401(a) Plan 3.17(a) Seller Benefit Plans 2.5(a) Seller Defined Contribution Plans 5.6(h) Seller Disclosure Schedules 1.1 Seller Entities 1.1 Seller Indemnified Parties 9.3 Seller Licensed IP 1.1 Seller Licensed Patents 1.1 Seller Marks 1.1 Seller Parties 9.3 Series A Preferred Stock 4.2(a) Series A-1 Preferred Stock 4.2(a) Series B Preferred Stock 4.2(a) Series C Preferred Stock 4.2(a) Series D Preferred Stock 4.2(a) Series E Preferred Stock 4.2(a) Series F Preferred Stock 4.2(a) Shared Contract 1.1 Software 1.1 Solicitor 4.7(b) Special Indemnity Cap 9.2(b)(iii) Special Indemnity Matter 9.2(a)(iii) Standard Software 1.1 Straddle Period 1.4(b1.1 Subsidiary 1.1 Tangible Personal Property 1.1 Tax 1.1 Tax Proceeding 1.1 Tax Return 1.1 Taxing Authority 1.1 Technology 1.1 Third-Party Claim 9.4(a) Tokens 4.10 Trade Secrets 1.1 Transaction Recitals Transaction Documents 1.1 Transfer Taxes 6.4(a) Transferred Benefit Plans 2.4(h) Transferred Business Employee 5.6(c) Transferred Intellectual Property 1.1 Transferred Leases 2.4(a)(v) Transferred Marks 1.1 Transferred Patents 1.1 Transferred Permits 2.4(f) Transferred Registered Intellectual Property 3.9(a) Transferred Tangible Personal Property 2.4(e) Transferred Technology 1.1 Transition Services Agreement 1.3(b)(ii2.8(a)(iv) Shares Recitals Straddle Periods 10.4(bTreasury Regulations 1.1 TSA Approvals 2.9(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Unaudited Financial Information 3.6 Voting Agreement 7.1(h) Viking Indenture 7.2(m)1.1

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given defined for such terms in the indicated Sections of this AgreementAgreement set forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aAcquiror Preamble Acquiror Financial Advisor 4.10 Acquiror Plans 6.5(a)(iv) Aggregate ONEOK Damages 9.3(aAcquisition 5.2(f)(i) Acquisition Proposal 5.2(f)(i) Agreement Preamble Audits 2.6(e) Balance Sheet 2.5(a) Recitals Articles of Merger 1.2 Balance Sheet Date 2.5(a3.6(c) Books and Records 5.2(b)(iCERCLA 3.13 Certificate of Merger 1.2 Certificates 2.2(b) Business Recitals Claim 9.7(aChange in Board Recommendation 5.2(d) Charter 1.5 Closing 1.3(a) 1.3 Closing Date 1.3(a1.3 Code 3.12(e) Closing Working Capital 1.4(aCompany Preamble Company Benefit Plans 3.16(a) Closing Working Capital Statement 1.4(aCompany Common Stock 2.1(b) Common Units 3.1(e)(vCompany Disclosure Schedule Article III Company Equity Plans 3.2 Company Financial Advisor 3.18 Company Material Contract 3.15(a) Companies Recitals Company Recitals Stock Option 2.4 Company Preferred Stock 3.2 Company Properties 3.11(a) Company SEC Documents 3.6(a) Company Series A Preferred Stock 2.1(d) Company Series B Preferred Stock 2.1(e) Company Stockholders’ Meeting 6.2(a) Company Subsidiary 2.2 Contribution 3.1(b) Company Subsidiaries 3.1(b) Company Termination Fee 8.3(b) Confidentiality Agreement 7.1(h6.3(b) Controlling Party 10.7(cCounterproposal 5.2(d) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(cCovered Benefits 6.5(a)(iv) Financial Statements 2.5(aCovered Persons 6.5(a)(iv) FMV Schedules 10.10(aDebt Commitment Letter 4.7(b) Governmental Approvals 6.3(aDelaware Act 1.1 Effective Time 1.2 Encumbrance 3.1(b) GP Purchase Agreement 7.1(hEnd Date 8.1(b) Indemnitee 9.7(aEnvironmental Laws 3.13 Equity Commitment Letter 4.7(b) 55 Indemnitor 9.7(aERISA 3.16(a) Indemnity Threshold 9.3(aExchange Act 3.6(a) Interim Financial Statements 6.12 KCC Consent 7.1(g41 Exchange Fund 2.2(a) License Period Expenses 8.3(a) GAAP 3.6(b) Guarantee 4.11 Guarantor 4.7(b) Indemnified Parties 6.6(b) IRS 3.12(a) Legal Action 6.6(b) Lender 4.7(b) Maryland Department 1.2 Maximum Premium 6.6(c) MGCL 1.1 Merger Recitals Merger Consideration 2.1(c) Merger Sub Preamble NYSE 3.5 Option Consideration 2.4 Other Filings 6.4(c) Paying Agent 2.2(a) Permits 3.10 Proxy Statement 3.5 Qualifying Income 8.3(e) REIT 9.12(a)(xi) Required Company Stockholder Approval 3.1(a) SEC 3.5 Securities Act 3.2(f) Superior Proposal 5.2(f)(ii) Surviving Corporation 1.1 Tax Return 9.12(a)(xv) Termination Payment 8.3(e) Transfer and Gains Taxes 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(mTransferred Employee 6.5(a)(iv)

Other Defined Terms. For the purpose purposes of this Agreement, each of the following terms shall have the meanings given is defined in the indicated Sections of this AgreementSection set forth opposite such term: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aAccounting Firm 1.05(b) Aggregate ONEOK Damages 9.3(aAcquisition Recitals Actions 5.05(c) Active Employee 5.08(a) Agreement Preamble Audits 2.6(eAllocation Accounting Firm 5.05(h)(iv) Balance Sheet 2.5(aAncillary Agreements 2.02 Annual Bonus Amount 5.08(r) Balance Sheet Date 2.5(aAsset Allocation 5.05(h) Books and Records 5.2(b)(iAssumed Benefit Agreement 3.14(a) Table of Contents Term Section Assumed Benefit Plan 3.14(a) Basket Amount 9.03(a) Business Recitals Claim 9.7(aEmployees 3.14(a) Cap 9.03(b) Cap Ex Budget 3.15(c)(ix) CBAs 3.18 Class I Representations 7.02(a) Closing 1.3(a) 1.03 Closing Date 1.3(a1.03 COBRA 3.14(c) Closing Working Capital 1.4(aCompetitive Activities 6.01(a) Closing Working Capital Statement 1.4(aConfidentiality Agreement 6.02(a) Common Units 3.1(e)(vConsent 2.03 Continuation Period 5.08(b) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(hContract 2.03 Controlled Group Liability 5.08(k) Controlling Party 10.7(c9.09(d)(iii) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 CPTL 2.03 Debt Financing Commitments Recitals Disabled Employee 5.08(a) DOJ 5.03(a)(ii)(1) Environmental Access Agreement 1.04(e) Environmental Claim Notice 9.09(d)(i) Environmental Matter 9.09(d)(ii) Equity Financing Commitments Recitals ERISA 3.14(a) Estimated Purchase Price 1.01(a) Exchange Act 2.03 Extension Date 1.03 Final Closing Working Capital 1.4(cPurchase Price 1.05(c) Financial Statements 2.5(a3.05(a) FMV Schedules 10.10(aFinancing Commitments Recitals Foreign Merger Control Laws 2.03 Foreign Transferred Entity 5.07 FSA Participant 5.08(l) FSA Participation Period 5.08(l) FTC 5.03(a)(ii)(1) GAAP 1.01(b) Governmental Approvals 6.3(aEntity 2.03 HSR Act 2.03 IAM Fund 3.14(d) GP Purchase Agreement 7.1(hindemnified party 9.09(a)(i) Indemnitee 9.7(aIRS 3.12(i) 55 Indemnitor 9.7(aITAR 2.03 Judgment 2.03 Table of Contents Term Section Labor Laws 3.18 Law 2.03 Lease 3.07(b) Indemnity Threshold 9.3(aLeased Property 3.07(a) Interim Financial Statements 6.12 KCC Consent 7.1(gLeasing Entity 3.07(b) License Period 6.9 Licensed Intellectual Property 3.08(a)) Liens 3.06(a) Losses 9.02 Material Contracts 2.10(aConsents 6.11 Mini-Basket Amount 9.03(c) Minimum Claim Amount 9.3(aNon-Breach Financing Failure 8.02(c) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c9.09(d)(iii) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(kNotice of Disagreement 1.05(b) Northern Border Credit Agreements 7.2(kNYSE 2.03 Owned Intellectual Property 3.08(a) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(bOwned Property 3.07(a) Northern Border Returns 10.4(bPension Service Employee 5.08(m) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(aPermits 3.10 Permitted Liens 3.06(a) Pre-Closing Period 4.1 Consolidated Return 9.09(c)(ii) Pre-Closing Taxable Period 10.6(a)(iService 5.08(d) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(bProperty Owning Entity 3.07(a) Services Property Taxes 9.01(c)(i) Proposed Asset Allocation 5.05(h)(ii) Purchased Companies Recitals Purchased Companies’ Equity Interests Recitals Purchased Company Subsidiaries Recitals Purchased Company Subsidiaries’ Equity Interests Recitals Purchaser Preamble Purchaser 401(k) Plan 5.08(q) Purchaser Cafeteria Plan 5.08(l) Purchaser Indemnitees 9.01(a) Remaining Employees 6.01(c) Represented Employee 5.08(b) Restricted Assets 1.02(b) Retained Employees 3.14(a) Retiree Medical Eligible Employees 5.08(h) Seller Preamble Seller 401(k) Plan 5.08(q) Seller Benefit Agreement 1.3(b)(ii3.14(a) Shares Recitals Straddle Periods 10.4(bSeller Benefit Plan 3.14(a) Tax Controversy 10.7(aSeller Cafeteria Plan 5.08(l) Tax Indemnitor 10.7(aSeller Commonly Controlled Entity 3.14(a) Tax Records 10.1 TransCanada Agreement 7.1(hSeller Indemnitees 9.01(b) Viking Indenture 7.2(m)Seller Letter Article II

Other Defined Terms. For the purpose purposes of this Agreement, the following terms shall have the respective meanings given set forth in the indicated Sections of this Agreementsection opposite each term: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a338(h)(10) Aggregate ONEOK Damages 9.3(aElection 6.3(b) 2010 Financial Statements 4.5 Agreed Amount 9.4(b) Agreement Preamble Audits 2.6(eArbitrator 2.3(a) Basket Amount 9.5(a) Business Relationship 6.1(f) Buyer Preamble Buyer Indemnitees 9.2 Buyer Losses 9.2 Cap Amounts 9.5(b) Claim Notice 9.4(a) Claimed Amount 9.4(a) Closing Article III Closing Balance Sheet 2.5(a) Balance Sheet Date 2.5(a) Books and Records 5.2(b)(i) Business Recitals Claim 9.7(a) Closing 1.3(a2.3(a) Closing Date 1.3(a) Article III Closing Net Working Capital 1.4(a2.3(a) Closing COBRA 6.1(l) Company Preamble Company Intellectual Property 4.12 Company Stock 2.1 Contested Amount 9.4(c) Default 4.14 Disclosure Schedules Article IV (Preamble) EPA 4.19 Estimated Net Working Capital Statement 1.4(a) Common Units 3.1(e)(v) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(h) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c2.3(c) Financial Statements 2.5(a4.5 Indemnifying Party 9.4(a) FMV Schedules 10.10(aIndemnitees 9.3 Large Customers 4.15 Large Suppliers 4.15 Legal Requirement 4.16(b) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Losses 9.3 Most Recent Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 4.5 Necessary Permits 4.16 Non-Controlling Party 10.7(cSolicitation Period 6.1(e) Northern Border Notice of Disagreement 2.3(a) Parent Preamble Northern Border Credit Agreement Amendments 7.2(kParent Indemnitees 9.3 Parent Losses 9.3 PCBs 4.19 Plan 4.18(iv) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(aPort Everglades Franchises 4.2 Primary Business Address 6.1(e) Pre-Closing Tax Period 4.1 Pre-Closing Taxable Period 10.6(a)(i10.1(a) Purchase Price 1.2 Related 2.2 Repair Vehicles 2.5 Response Notice 9.4(b) Restricted Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m6.1(e)

Other Defined Terms. For the purpose purposes of this Agreement, each of the following terms shall have the meanings given is defined in the indicated Sections of this AgreementSection set forth opposite such term: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aAccounting Firm 1.05(b) Aggregate ONEOK Damages 9.3(aAcquisition Recitals Actions 5.05(c) Active Employee 5.08(a) Agreement Preamble Audits 2.6(eAllocation Accounting Firm 5.05(h)(iv) Balance Sheet 2.5(aAncillary Agreements 2.02 Annual Bonus Amount 5.08(r) Balance Sheet Date 2.5(aAsset Allocation 5.05(h) Books and Records 5.2(b)(iAssumed Benefit Agreement 3.14(a) Term Section Assumed Benefit Plan 3.14(a) Basket Amount 9.03(a) Business Recitals Claim 9.7(aEmployees 3.14(a) Cap 9.03(b) Cap Ex Budget 3.15(c)(ix) CBAs 3.18 Class I Representations 7.02(a) Closing 1.3(a) 1.03 Closing Date 1.3(a1.03 COBRA 3.14(c) Closing Working Capital 1.4(aCompetitive Activities 6.01(a) Closing Working Capital Statement 1.4(aConfidentiality Agreement 6.02(a) Common Units 3.1(e)(vConsent 2.03 Continuation Period 5.08(b) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(hContract 2.03 Controlled Group Liability 5.08(k) Controlling Party 10.7(c9.09(d)(iii) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 CPTL 2.03 Debt Financing Commitments Recitals Disabled Employee 5.08(a) DOJ 5.03(a)(ii)(l) Environmental Access Agreement 1.04(e) Environmental Claim Notice 9.09(d)(i) Environmental Matter 9.09(d)(ii) Equity Financing Commitments Recitals ERISA 3.14(a) Estimated Purchase Price 1.01(a) Exchange Act 2.03 Extension Date 1.03 Final Closing Working Capital 1.4(cPurchase Price 1.05(c) Financial Statements 2.5(a3.05(a) FMV Schedules 10.10(aFinancing Commitments Recitals Foreign Merger Control Laws 2.03 Foreign Transferred Entity 5.07 FSA Participant 5.08(1) FSA Participation Period 5.08(1) FTC 5.03(a) (ii) (1) GAAP 1.01(b) Governmental Approvals 6.3(aEntity 2.03 HSR Act 2.03 xXX Fund 3.14(d) GP Purchase Agreement 7.1(hindemnified party 9.09(a)(i) Indemnitee 9.7(aIRS 3.12(i) 55 Indemnitor 9.7(aITAR 2.03 Judgment 2.03 Term Section Labor Laws 3.18 Law 2.03 Lease 3.07(b) Indemnity Threshold 9.3(aLeased Property 3.07(a) Interim Financial Statements 6.12 KCC Consent 7.1(gLeasing Entity 3.07(b) License Period 6.9 Licensed Intellectual Property 3.08(a) Liens 3.06(a) Losses 9.02 Material Contracts 2.10(aConsents 6.11 Mini-Basket Amount 9.03(c) Minimum Claim Amount 9.3(aNon-Breach Financing Failure 8.02(c) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c9.09(d)(iii) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(kNotice of Disagreement 1.05(b) Northern Border Credit Agreements 7.2(kNYSE 2.03 Owned Intellectual Property 3.08(a) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(bOwned Property 3.07(a) Northern Border Returns 10.4(bPension Service Employee 5.08(m) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(aPermits 3.10 Permitted Liens 3.06(a) Pre-Closing Period 4.1 Consolidated Return 9.09(c)(ii) Pre-Closing Taxable Service 5.08(d) Property Owning Entity 3.07(a) Property Taxes 9.01 (c)(i) Proposed Asset Allocation 5.05(h)(ii) Purchased Companies Recitals Purchased Companies Equity Interests Recitals Purchased Company Subsidiaries Recitals Purchased Company Subsidiaries Equity Interests Recitals Purchaser Preamble Purchaser 401(k) Plan 5.08(q) Purchaser Cafeteria Plan 5.08(1) Purchaser Indemnitees 9.01(a) Remaining Employees 6.01(c) Represented Employee 5.08(b) Restricted Assets 1.02(b) Retained Employees 3.14(a) Retiree Medical Eligible Employees 5.08(h) Seller Preamble Seller 401(k) Plan 5.08(q) Seller Benefit Agreement 3.14(a) Seller Benefit Plan 3.14(a) Seller Cafeteria Plan 5.08(1) Seller Commonly Controlled Entity 3.14(a) Seller Indemnitees 9.01(b) Seller Letter Article II Term Section Seller Pension Plan 5.08(m) Specified Person 8.02(e) Sponsor Fund Guarantees Recitals Sponsor Funds Recitals Statement 1.05(a) Straddle Period 10.6(a)(i9.01(c) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(bTax Asset 5.05(d) Tax Controversy 10.7(a9.09(c)(i) Tax Indemnitor 10.7(aIndemnified Party 9.09(c)(i) Tax Records 10.1 TransCanada Indemnifying Party 9.09(c)(i) Tax Sharing Agreements 5.05(e) Terms and Conditions of Employment 5.08(u) Third Party Claim 9.09(a)(i) Trademark License Agreement 7.1(h1.04(f) Viking Indenture 7.2(m)Transfer Date 5.08(a) Transfer Taxes 5.04(b) Transferors Recitals Transferred Contracts 3.09(b) Transferred Employees 5.08(a) Transferred Entities Recitals

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given defined for such terms in the indicated Sections of this Agreementset forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a401(k) Aggregate ONEOK Damages 9.3(aPlan 6.8(a) Agreement Preamble Audits 2.6(e401(k) Plan Trust 6.8(a) 401(k) Plan Trustees 6.8(a) Accounting Firm 2.5(e) Adjustment Amount 2.5(f) Adjustment Escrow Account 2.4(d) Adjustment Holdback Amount 2.4(c) Arbiter 10.13(c) Assumed Liabilities 2.2 Buyer Indemnified Party 9.4(a) Buyer Indemnity Cap 9.4(f)(ii) Cash Payment 2.4(a) CBS Standards 2.5(a) Claim 9.4(d) Claim Notice 9.4(d) Closing 3.1 Closing Balance Sheet 2.5(a) Balance Sheet Date 2.5(a) Books and Records 5.2(b)(i) Business Recitals Claim 9.7(a) Closing 1.3(a2.5(d) Closing Date 1.3(a3.1 Closing Payment 2.4(d) Closing Working Capital 1.4(a2.5(d) Confidential Information 10.10(b) Damages 9.4(a) Disputing Parties 10.13(b) DOL 6.7(c) Earn-Out Amount 2.6 Earn-Out Threshold 2.6 Employee Plans 4.18(a)(ii) Environmental Conditions 4.27(a) Environmental Laws 4.27(a) Escrow Agent 2.4(d) Term Section Escrow Agreement 2.4(d) Estimated Closing Balance Sheet 2.5(b) Estimated Closing Working Capital Statement 1.4(a2.5(b) Common Units 3.1(e)(vEstimated WC Shortfall 2.5(c) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(hExcluded Liabilities 2.3(a) Controlling Party 10.7(cExpiration Date 9.3 GAAP 2.5(b) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(cHazardous Substance 4.27(a) Financial Statements 2.5(aIndemnification Holdback Amount 2.4(c) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(aIndemnification Escrow Release Date 9.6(e) Indemnity Threshold 9.3(aEscrow Account 2.4(d) Interim Financial Statements 6.12 KCC Consent 7.1(gIndemnity Shortfall 9.6(c) License Period 6.9 Material Contracts 2.10(aInsurance Benefits 9.4(h) Minimum Claim Amount 9.3(aIRS 6.7(c) Net Working Capital Adjustment 1.4(d)(iiJAMS 10.13(b) Neutral Auditors 1.4(cParent SEC Reports 5.14 Parent Tax Returns 5.19 Pension Plan 6.7(a) NGA 2.17 Non-Controlling Party 10.7(cPension Plan Trust 6.7(a) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(iPension Plan Trustees 6.7(a) Purchase Price 1.2 Related Party 2.14 2.4(a) Purchase Price Objection Notice 2.5(e) Purchase Price Resolution Period 1.4(b2.5(e) Services Agreement 1.3(b)(iiRehired Employees 6.2(a) Release 4.27(a) Released Shares 9.6(c) SEC 10.9 Seller Indemnified Party 9.4(b) Seller Indemnity Cap 9.4(f)(ii) Shares Recitals Straddle Periods 10.4(b2.4(a) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m)Working Capital Schedule 4.11

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given assigned to such terms in the indicated Sections of this Agreementthe Asset Purchase Agreement set forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aAccounting Principles 2.6(a)(i) Aggregate ONEOK Damages 9.3(aAction 4.15(a) Allocation Statement 2.7 Applicable Survival Period 10.1(d) Asset Purchase Agreement Preamble Audits 2.6(eAssigned Contracts 2.1(e) Balance Sheet Assignment and Assumption Agreement 3.2(c) Assumed Liabilities 2.3 Base Amount 2.6(a)(ii) Business Authorizations 4.7(a) Buyer Preamble Buyer Closing Certificate 8.3(c) Buyer Indemnitees 10.2(a) Buyer Restricted Business 6.8(b) Buyer Warranty Losses 10.2(b) Cash Consideration 2.5(a) Balance Sheet Date 2.5(a) Books and Records 5.2(b)(i) Business Recitals Claim 9.7(aCERCLA 4.18(a)(iv) Closing 1.3(a3.1 Closing Consideration 2.5(b) Closing Date 1.3(a3.1 Closing Equipment Part Inventory Amount 2.6(a)(iii) Closing Working Capital 1.4(aEquipment Part Inventory Statement 2.6(a)(iv) Closing Working Capital Statement 1.4(aCOBRA 7.3(i) Common Units 3.1(e)(vConfidentiality Agreement 6.3 Consents 4.3(a) Companies Recitals Company Recitals Company Subsidiary Environment 4.18(a)(i) Environmental Action 4.18(a)(ii) Environmental Clean-up Site 4.18(a)(iii) Environmental Laws 4.18(a)(iv) Environmental Permit 4.18(a)(v) Escrow Agent 3.3(a) Escrow Agreement 3.2(a) Escrow Fund 3.3(a) Excluded Assets 2.2 Contribution Agreement 7.1(hExcluded Contracts 2.2(e) Controlling Party 10.7(cExcluded Liabilities 2.4 Facility Preamble Hazardous Substances 4.18(a)(vi) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity In-Bound Licenses 4.11(a) Insured Real Properties 8.2(g) Intellectual Property Assets 2.9 FERC 6.1 Final License Agreement 3.2(d) Losses 10.2(a) Material Contract 4.13(b) Noncompetition Period 6.8(a) Notice of Claim 10.5(a) Option Agreement 2.5(b) Parent Preamble Personal Property 4.8(a) Policies 4.19(a) Post-Closing Working Capital 1.4(c) Financial Statements 2.5(a) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Tax Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a7.4(b) Pre-Closing Tax Period 4.1 Pre-Closing Taxable Period 10.6(a)(i7.4(b) Proposal 6.9(a) Purchase Price 1.2 Related 2.5(a) Purchased Assets 2.1 Real Property 4.10(a) Release 4.18(a)(vii) Representatives 6.3 Restricted Contract 2.8(a) Seller Preamble Seller Benefit Plans 4.16(a) Seller Closing Certificate 8.2(c) Seller Disclosure Schedule Preamble Article IV Seller Employees 7.3(f) Seller Fundamental Covenants 10.2(c) Seller Indemnitees 10.3(a) Seller Restricted Business 6.8(a) Seller Warranty Losses 10.3(b) Special Warranty Deed 3.2(e) Supply Agreement 3.2(f) Third Party 2.14 Resolution Period 1.4(bClaim 10.5(a) Third Party Defense 10.5(b) Transferred Employees 7.3(b) Transferred Vacation Benefits 7.3(c) Transition Services Agreement 1.3(b)(ii3.2(g) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m)Xxxxxxxxxxxx Farms Termination 6.1

Other Defined Terms. For the purpose of this AgreementIn addition, the following terms shall have the meanings given ascribed to them in the indicated Sections corresponding section of this Agreement: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aAcquired Business Adjusted EBITDA definition Additional Seller Note 5.24(a) Aggregate ONEOK Damages 9.3(aAdditional Seller Note Amount 5.24(b) Affiliate Assignee 10.2 Agreement Preamble Audits 2.6(eAllocation Schedule 2.10 Allocations 2.10 Antitrust Laws 3.4 Approvals 2.11(a) Balance Sheet 2.5(aAssignment Agreement and Bill of Sale 2.8(a)(v) Assumed Liabilities 2.6 Assumed Pension Liabilities Funded Debt definition Balance Sheet Date 2.5(a3.6(a) Books and Records 5.2(b)(iBase Purchase Price 2.2 Boutique Specialty Firm 2.9(d) Budget 5.2(b)(xiii) Business Recitals Claim 9.7(aBalance Sheet 3.6(a) Business Covered Person 5.13(a) Business Employee List 3.15(a) Business Financial Statements 3.6(a) Business IP 2.4(d) Business IT Assets 2.4(f) Business Permits 3.12(b) Canadian Purchased Assets 6.5(c) Closing 1.3(a) 2.3 Closing Date 1.3(a2.3 Closing Statement 2.9(b) COBRA 5.7(i) Competing Business 5.13(b)(ii) Confidential Information 5.13(d) Confidentiality Agreement 5.3 Covered Tax Proceeding 6.3(a) Credit Enhancements 5.8 Current Representation 10.14 Customer Care Business Retained Business definition Data Room 10.12 Day 1 Readiness IT Activities Section 5.22 Debt Financing 5.16(a) Designated Person 10.14(a) Dispute Notice 2.9(d) Dispute Resolution Period 2.9(d) Divestiture Period 5.13(b)(iii) EBITDA Dispute Notice 5.24(c) EBITDA Dispute Resolution Period 5.24(c) EBITDA Statement 5.24(c) Enforceability Exceptions 3.3 Enhanced Threshold Amount 9.7(c) Equity Commitment Letter 4.4 Equity Financing 4.4 Estimated Adjustment Amount 2.9(b) Estimated Closing Working Capital 1.4(aCash Amounts 2.9(b) Estimated Closing Working Capital Statement 1.4(aFunded Debt 2.9(b) Common Units 3.1(e)(vExcluded Assets 2.5 Final Purchase Price 2.9(f) Companies Financing Uses 4.4 Foreign Acquisition Agreements 2.12 Foreign Closing Documents 2.8(a)(vi) Guarantee and Release Documents 2.8(b)(x) Guarantor Recitals Company Guaranty Recitals Company Subsidiary 2.2 Contribution Holdco Preamble Improvements 3.10(c) Inactive Business Employee 5.7(f) Indemnified Party 9.4(a) Indemnifying Party 9.4(a) Independent Accounting Firm 2.9(d) Infringe 3.9(b) Issuance Date 5.24(a) Labor Agreement 7.1(h2.4(q) Controlling Party 10.7(cLiability Limitation Section 8.2 LTM Period LTM Capitalized Software definition Major Customer 3.20(a) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Major Supplier 3.20(a) Material Contracts 3.11(a) Material Customer Contract 3.11(a)(ii) Material Government Contract 3.11(a)(xvi) Maximum Additional Seller Note Amount 5.24(b) Measurement Period 5.24(a) Minimum Allocations 2.10 Non-Recourse Parties 10.13 OFAC Sanctioned Person definition Outside Date 8.1(d) Patents Intellectual Property Assets 2.9 FERC 6.1 Final definition pdf 10.10 Post-Closing Working Capital 1.4(cRepresentation 10.14(a) Financial Statements 2.5(a) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 NonPost-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(aClosing Statement 2.9(c) Pre-Closing Period 4.1 Reorganization 5.12 Pre-Closing Taxable Reorganization Agreements 2.8(b)(viii) Privileged Communications 10.14(b) Processing Data Security Requirements definition Purchased Assets 2.4 Purchased Entities 2.4(a) Purchased Entity 2.4(a) Purchased Entity Shares 2.4(a) Purchaser Preamble Purchaser 401(k) Plan 5.7(g) Purchaser Covenant Parties 5.9(b)(ii) Purchaser Indemnified Parties 9.2 Purchaser Material Adverse Effect 4.1 Purchaser Releasee 5.19(b) Purchaser Releasors 5.19(a) Purchaser’s Allocation Notice 2.10 Qualifying Percentage Adjusted EBITDA definition R&W Insurance Policy 5.17 Receivables 3.6(d) Reference Period 10.6(a)(iBusiness definition Reorganization Committee 5.12 Reported EBITDA Adjusted EBITDA definition Restricted Commercial Counterparties 5.13(g) Purchase Price 1.2 Related Retained Business Confidential Information 5.13(e) Retained Business Covered Person 5.13(c) Retained Liabilities 2.7 Sample Closing Statement 2.9(a) Section 1.1(j)(ii) Tax Proceeding 6.3(b) Section 1542 5.19(c) Section 167 Election 6.5(c) Securities Act 4.8 Seller Preamble Seller Indemnified Parties 9.3 Seller Note 2.8(a)(vii) Seller Parent Preamble Seller Qualified Plans 5.7(g) Seller Releasee 5.19(a) Seller Releasors 5.19(b) Seller’s Allocations 2.10 SG&A Estimates 3.6(a) Shared Contract 2.11(c) Shared Supplier Contract 2.11(e) Solvent 4.9 Specified Business Contracts 2.4(b) Stand-Up Activities 5.22 Subrogation Waiver Beneficiaries 5.17 Technical Deficiencies 3.9(g) Third-Party 2.14 Resolution Claim 9.4(a) Threshold Amount 9.7(b) Trade Secrets Intellectual Property definition Trademarks Intellectual Property definition Transaction Recitals Transaction Accounting Principles 2.9(a) Transfer 5.24(h) Transfer Taxes 6.6 Transferred Business Employee 5.7(a)(iii) Transferred International Business Employees 5.7(l) Transferred Leased Property 2.4(c) Transferred Leases 2.4(c) Transferred Permits 2.4(k) Transition Period 1.4(b5.9(a) Transition Services Agreement 1.3(b)(ii2.8(a)(iii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(mTriggering Change of Control Seller Note EBITDA definition WARN Act 3.15(k)

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given are defined in the indicated Sections of this Agreement: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(asections indicated. 203 Arizona Purchase Agreement preamble Agreement preamble Arizona Transaction Approval 7.2(f) Aggregate ONEOK Damages 9.3(aAssessments 3.16(c) Basket Amount 6.2(b) Business Relation 6.7(a)(ii) Buyer preamble Buyer Prepared Returns 6.3(a)(iii) Cannabist preamble Cap 6.2(b) CC VA preamble Claim Notice 6.4(d) Closing 2.5(a) Closing Date 2.5(a) Closing Item 2.4(a) Closing Statement 2.4(a) COBRA 3.14(b) Collateral 5.7(a)(ii) Company Recitals Company Collateral 5.7(a)(i) Company Employee Benefit Plan 3.14(a) Company Governing Documents 2.5(b)(iv) Confidential Information 5.8(a)(ii) CSA 9.13 Deposit 2.5(c)(i)(a) Employment and Services Agreement Preamble Audits 2.6(e3.14(f) Environmental Claims 3.17(b) Equity Recitals Estimated Cash 2.3 Estimated Closing Statement 2.3 Estimated Indebtedness 2.3 Estimated Transaction Expenses 2.3 Estimated Transaction Payments 2.3 Estimated Working Capital 2.3 Excess Amount 2.4(c) Excluded Federal Claims 9.13 Final Cash 2.4(a) Final Indebtedness 2.4(a) 11 Final Transaction Expenses 2.4(a) Final Transaction Payments 2.4(a) Final Working Capital 2.4(a) Financial Statements 3.4(a) Funds Flow 2.5 IRS 3.14(a) Latest Balance Sheet 2.5(a3.4(a) Latest Balance Sheet Date 2.5(a3.4(a) Books and Records 5.2(b)(iLien Releases 2.5(b)(iii) Business Recitals Claim 9.7(aMajority Holders 9.12(d) Closing 1.3(aMarijuana Permits 3.16(b) Closing Date 1.3(aMaterial Contract 3.9(b) Closing Working Capital 1.4(aMember Prepared Returns 6.3(a)(ii) Closing Working Capital Statement 1.4(aMembers preamble Notes 2.5(b)(ii) Common Units 3.1(e)(vObjection Notice 6.2(d) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(h) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c) Financial Statements 2.5(a) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(ipreamble Pledged Collateral 5.7(a)(ii) Purchase Price 1.2 Related 2.2 Restricted Period 6.7(b) Schedules 9.11 Service Contracts 3.6(j) Shortfall Amount 2.4(d) Survival Period 6.1 SWC Arizona Purchase Agreement preamble Tax Contest 6.3(d) Third Party 2.14 Resolution Period 1.4(bClaim 6.4(a) Services Transfer Taxes 6.3(f) UCC 5.7(a)(iii) Utility Systems 3.6(h) Valuation Firm 2.4(b) Virginia Purchase Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(mpreamble WARN Act 3.13(e)

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given set forth in the indicated Sections set forth below: Defined Term Location Accounts Receivable 4.6(e) Actions 4.8 Agreement Recitals Alternative Acquisition Agreement 6.2(c)(ii) Applicable Date 5.8(a) Bankruptcy and Equity Exception 4.3(a) Book-Entry Shares 3.1(a) BVI 2.3 BVI Companies Act Recitals BVI Plan of this Agreement: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a) Aggregate ONEOK Damages 9.3(a) Agreement Preamble Audits 2.6(e) Balance Sheet 2.5(a) Balance Sheet Date 2.5(a) Books and Records 5.2(b)(i) Business Recitals Claim 9.7(aMerger 2.3 Change of Recommendation 6.2(c) Closing 1.3(a) 2.2 Closing Date 1.3(a) Closing Working Capital 1.4(a) Closing Working Capital Statement 1.4(a2.2 Code 3.2(g) Common Units 3.1(e)(vStock 3.1(a) Companies Recitals Company Recitals Company Financials 4.6(a) Company Organization Documents 4.1 Company Payments 6.11(b) Company Permits 4.4(b) & 4.9(d) Company Recommendation 4.3(b) Company Shareholders’ Meeting 4.3(a) Company Subsidiary Organization Documents 4.1 Company Termination Fee 8.3(a) Contract 4.3(c) Damages 6.7(b) Dispute 9.4(b) Dissenting Shareholders 3.2(f) Drop Dead Date 2.2 Contribution Agreement 7.1(hEastBridge CBMG 2.5(c) Controlling Party 10.7(cEffective Time 2.3 Employees 4.14 Employment Agreement(s) Conversion Transactions 6.11 CPR 7.3(f) Encumbrance 4.2(b) Environmental Permits 4.12 Exchange Act 4.5(a) Exchange Fund 3.2(a) Excluded Shares 3.2(f) FCPA 4.9(e) GAAP 4.2(b) Governmental Entity 3.2(d) HKIAC 9.4(b)(i) HKIAC Rules 11.12 Entities 2.2 Entity 2.2 Entity 9.4(b)(i) Indebtedness 4.2(b) Indemnified Parties 6.7 Injunction 7.1(b) Judgment 4.8 Laws 4.9(a) Liabilities 4.8 Licenses 4.9(b) Licensed Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c4.15(a) Financial Statements 2.5(aLien 4.2 Lock Up Agreement 3.3 Material Contract 4.10(a) FMV Schedules 10.10(aand 5.14(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Memorandum and Articles of Association 2.4 Merger Recitals Merger Sub Recitals Non-Controlling Party 10.7(cWholly Owned Subsidiaries 4.2 Notice of Superior Proposal 6.2(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(kParent Recitals Parent Disclosure Schedule Article V Parent Options 5.3 Parent Termination Fee 8.3(b) Northern Border Credit Agreements 7.2(kPaying Agent 3.2(a) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(bPer Share Merger Consideration 3.1(a) Northern Border Returns 10.4(bRepresentatives 6.2(a) OCC Consent 7.1(gRequisite Company Vote 4.3(a) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(iiXxxxxxxx-Xxxxx Act 5.8(a) ONEOK Indemnity Cap 9.3(bSEC 4.6(a) ONEOK Marks 6.9 Operating Assets 2.18(aSEC Reports 5.8(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(mSecurities Act 5.8(a)

Other Defined Terms. For the purpose of this AgreementIn addition, the following terms shall have the meanings given ascribed to them in the indicated Sections corresponding section of this Agreement: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a) Aggregate ONEOK Damages 9.3(a) Agreement Preamble Audits 2.6(eAllocation 2.10 Anti-Corruption Laws 3.23 Antitrust Laws 3.4 Approvals 2.11(a) Balance Sheet 2.5(aAssignment Agreement and Xxxx of Sale 2.8(a)(iv) Assumed Liabilities 2.6 Balance Sheet Date 2.5(a3.6(a) Books and Records 5.2(b)(iBase Purchase Price 2.2 BoA 2.8(b)(v) Brafasco Preamble Business Balance Sheet 3.6(a) Business Recitals Claim 9.7(aFinancial Statements 3.6(a) Business Permits 3.12(b) Buyer Preamble Buyer Fundamental Representations 9.1(b) Buyer Indemnified Parties 9.2(a) Buyer Material Adverse Effect 4.1 Buyer Portion of the Shared Contract Liabilities 2.11(c) Buyer Savings Plan 5.7(c) Buyer’s Allocation 2.10 Buyer’s Plans 5.7(b) Cap 9.2(b)(ii) Closing 1.3(a) 2.3 Closing Date 1.3(a2.3 Closing Statement 2.9(b) Combined Tax Return 6.3(a) Competing Business 5.13(b)(ii) Confidential Business Information 5.3(b) Confidentiality Agreement 5.3(a) Covered Person 5.13(a) Deductible 9.2(b)(i) Dispute Notice 2.9(d) Dispute Resolution Period 2.9(d) Estimated Adjustment Amount 2.9(b) Estimated Closing Cash Amounts 2.9(b) Estimated Closing Funded Debt 2.9(b) Estimated Closing Working Capital 1.4(a2.9(b) Closing Working Capital Statement 1.4(a) Common Units 3.1(e)(v) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(h) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Excluded Assets 2.9 FERC 2.5 Excluded Business Taxes 6.1 Final Closing Working Capital 1.4(cPurchase Price 2.9(f) Financial Statements 2.5(aFundamental Representations 9.1(a) FMV Schedules 10.10(aTerm Section GECC 2.8(b)(vi) Governmental Approvals 6.3(aGECF 2.8(b)(vi) General Conveyance and Assumption of Liabilities Agreement 2.8(a)(iv) Guarantees 5.8(a) HD Supply Preamble HD Supply Allocation Notice 2.10 HDS GP Purchase Agreement 7.1(hPreamble HDS Power Solutions Recitals HDS Power Solutions Equity Interests Recitals HDS PS Recitals HDS PS Equity Interests Recitals HDS PS Group Preamble Holdings Preamble Inactive Current Business Employees 5.7(h) Indemnitee 9.7(aIncremental Lease Costs 5.17 Indemnified Party 9.4(a) 55 Indemnitor 9.7(aIndemnified Taxes 6.5(d) Indemnity Threshold 9.3(aIndemnifying Party 9.4(a) Interim Financial Statements 6.12 KCC Consent 7.1(gIndependent Accounting Firm 2.9(d) License Period 6.9 Inventory 2.4(f) Jacksonville Site 2.7(j) K&S 10.13(a) Licensed Field of Use 5.15(a) Listed HD Insurance Policies 5.10(b) Material Contracts 2.10(a3.11(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Money Laundering Laws 3.24 Non-Controlling Party 10.7(cTransferred Assets 2.11(d) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(kOFAC 3.22 Outside Date 8.1(d) Northern Border Credit Agreements 7.2(kOwned Real Property 2.4(b) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Parties. Preamble Party Preamble PartPer-Year Fraction 10.5(aClaim Threshold 9.2(b)(i) Post-Closing Statement 2.9(c) Pre-Closing Period 4.1 Claims 5.10(b) Pre-Closing Taxable Period 10.6(a)(iRestructuring 5.12 Pre-Closing Separate Tax Return 6.3(a) Privileged Deal Communications 10.13(b) Pro Canadian Recitals Pro Canadian Equity Interests Recitals Purchase Price 1.2 Related 2.2 Purchased Assets 2.4 Purchased Companies Recitals Purchased Company Recitals Purchased Company Equity Interests Recitals Term Section Purchased Company Guarantees 5.8(b) Purchased Company Subsidiary Equity Interests 3.2(b) Real Property Leases 2.4(b) Restrictive Covenant Contracts 2.4(k) Retained Businesses 5.13(b)(iii) Retained Liabilities 2.7 Retained Marks 5.15(a) Retained Trademark License 5.15(a) Return Date 5.7(h) Sample Closing Statement 2.9(a) Seller COBRA Period 5.7(f) Seller Indemnified Parties 9.3 Seller Parties 10.13(a) Seller Tax Returns 6.3(a) Sellers Preamble Sellers Savings Plan 5.7(c) Shared Contract 2.11(c) Specified Assets and Liabilities 5.23 Specified Business Contracts 2.4(a) Straddle Period Separate Tax Return 6.3(b) Tax Indemnified Parties 6.1 Third Party 2.14 Resolution Period 1.4(bClaim 9.4(a) Transaction Recitals Transaction Accounting Principles 2.9(a) Transfer Taxes 6.10 Transferred Business Employees 5.7(a) Transferred Leased Property 2.4(b) Transferred Permits 2.4(g) Transition Services Agreement 1.3(b)(ii2.8(a)(iii) Shares Recitals Straddle Periods 10.4(bXxxxxxx Costs 5.10(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m)ARTICLE II.

Other Defined Terms. For the purpose of this Agreement, the The following capitalized terms shall have the meanings given in the Sections indicated Sections of this Agreementbelow: INDEX Defined Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aReference ABCB Preamble ABCB 401(k) Aggregate ONEOK Damages 9.3(aPlan 5.7(e) ABCB Capitalization Date 4.7(a) ABCB Common Stock Issuance Recitals ABCB Contract 4.23(a) ABCB Disclosure Schedule 4.1(a) ABCB Financial Advisor 4.29 ABCB Financial Statements 4.10(a) ABCB Loans 4.17(a) ABCB Recommendation 2.13 ABCB Regulatory Agencies 4.6 ABCB Regulatory Agreement 4.6 ABCB SEC Filings 4.9 ABCB Shareholder Approval 4.3(a) ABCB Shareholders Recitals ABCB Shareholders’ Meeting 2.13 ABCB Stock Option 2.7(a) Acquisition Agreement 5.8(a) Adverse Recommendation Change 2.12(b) Agreement Preamble Audits 2.6(eAmeris Recitals Bank Merger Recitals Bank Merger Agreement Recitals BHCA 3.2(a) Balance Sheet 2.5(aBook-Entry Shares 2.8(b)(i) Balance Sheet Date 2.5(aCertificate of Merger 2.4(a) Books and Records 5.2(b)(iCertificates 2.8(b)(i) Business Recitals Chosen Courts 8.7(b) Claim 9.7(a5.9(a) Closing 1.3(a) 2.3 Closing Date 1.3(a2.3 Code Recitals Continuing Employee 5.7(a) Closing Working Capital 1.4(aCRA 3.18 Data Conversion 5.11 Discontinued Employee 5.7(b) Closing Working Capital Statement 1.4(aEffective Time 2.4(a) Common Units 3.1(e)(vExchange Agent 2.8(a) Companies Exchange Agent Agreement 2.8(a) Exchange Fund 2.8(a) Exchange Ratio 2.6(a) Excluded Shares 2.6(c) Fidelity Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(hFSC Preamble FSC 401(k) Controlling Party 10.7(cPlan 5.7(e) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(cFSC Capitalization Date 3.7(a) FSC Contract 3.23(a) FSC Disclosure Schedule 3.1(a) FSC Financial Advisor 3.30 FSC Financial Statements 2.5(a3.10(a) FMV Schedules 10.10(aFSC Insiders 5.17 FSC Loans 3.17(a) Governmental Approvals 6.3(aFSC Recommendation 2.12(a) GP Purchase FSC Regulatory Agencies 3.6 FSC Regulatory Agreement 7.1(h3.6 FSC SEC Filings 3.9 FSC Shareholder Approval 3.3(a) Indemnitee 9.7(aFSC Shareholders Recitals FSC Shareholders’ Meeting 2.12(a) 55 Indemnitor 9.7(aFSC Voting Agreement Recitals Georgia Secretary 2.4(a) Indemnity Threshold 9.3(aIndemnitees 5.9(a) Interim Financial Statements 6.12 KCC Consent 7.1(gLetter of Transmittal 2.8(b)(i) License Period 6.9 Material Contracts 2.10(aMaterially Burdensome Regulatory Condition 5.3(a) Minimum Claim Amount 9.3(aMerger Recitals Merger Consideration 2.6(a) Net Working Capital Adjustment 1.4(d)(iiNotice of Recommendation Change 2.12(b)(iii) Neutral Auditors 1.4(cPremium Cap 5.9(b) NGA 2.17 Non-Controlling Providing Party 10.7(c5.4(a) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(kRegulatory Agencies 4.6 Requesting Party 5.4(a) Northern Border Credit Agreements 7.2(kSurviving Bank Recitals Surviving Corporation 2.1(a) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(bTakeover Statutes 3.3(b) Northern Border Returns 10.4(bTermination Fee 7.2(b) OCC Consent 7.1(gTransition Plan Year 5.7(c) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m)Trust Preferred Securities 5.16

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given assigned to such terms in the indicated Sections of this Agreementthe Agreement set forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aAcquisition Transaction 4.3(a) Aggregate ONEOK Damages 9.3(aAction 2.13 Agent 4.3(a) Agreement Preamble Audits 2.6(ePreface Board Preface Canadian Competition Act 2.3 Change of Recommendation 4.3(c) Closing 1.12 Closing Date 1.12 Company Preface Company Balance Sheet 2.5(a) 2.8 Company Balance Sheet Date 2.8 Company Disclosure Letter Preamble Article II Company Financial Advisor 2.26 Company Financial Statements 2.8 Company Intellectual Property 2.19(b) Company Registered Items 2.19(c) Company Securities 2.5(c) Company Securities Reports 2.7(a) Company Shareholder Approval 2.2(a) Company Shares Preface Company Subsidiary Securities 2.6(b) Confidentiality Agreement 4.2 Copyrights 2.19(a) GAAP 2.7(e) HSR Act 2.3 Indemnified Parties 5.1(a) Intellectual Property 2.19(a) Intellectual Property Rights 2.19(a) Lease 2.18(c) Leased Real Property 2.18(a) Marks 2.19(a) Material Contract 2.14(a) Notes 6.5 Notice Period 4.3(c)(iii) Options 2.5(a) Books and Records 5.2(b)(iOSC 2.7(a) Business Recitals Claim 9.7(aOther Antitrust Laws 2.3 Outside Date 8.1(a)(ii)(A) Closing 1.3(a) Closing Date 1.3(a) Closing Working Capital 1.4(a) Closing Working Capital Statement 1.4(a) Common Units 3.1(e)(v) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(h) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Owned Real Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c) Financial Statements 2.5(a) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(hParent Preface Patents 2.19(a) 56 Parties Preamble Policies 2.24(a) Principal Joint Venture Interests 2.6(c) Products 2.25(a) Real Property 2.18(a) Regulatory Conditions 8.1(a)(ii)(A) Representatives 4.2 Securities Laws 2.3 Share Consideration 1.13(a) Shareholders Preface Special Committee Preface Subco Preface Superior Proposal 4.3(b) Support Agreement Preface Termination Fee 8.4(a) Third Party Preamble Part-Year Fraction 10.5(aProposal 4.3(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(mWarrants 2.5(a)

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given defined for such terms in the indicated Sections of this Agreementset forth below: INDEX Term Definition Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aAdjustment Number 2.2(b) Aggregate ONEOK Damages 9.3(aNumber 2.2(b) Agreement Preamble Audits 2.6(eAsset Transfer Recitals Asset Transfer Documents Recitals Automobile Purchase Contract 4.10(a) Balance Sheet 2.5(a) Balance Sheet Date 2.5(a) Books and Records 5.2(b)(iBeneficiary 7.22 Beneficiary Exercise Price 7.23(a) Business Cooperation Agreement Recitals Claim 9.7(aBVI Holdco Recitals Cash Consideration Recitals CFC 6.9 Claims 9.2(a) Closing 1.3(aCode 6.8 Company Preamble Company Security Holder 6.13(a) Closing Date 1.3(aConstitutional Documents 4.14 Conversion Shares 4.3 Cooperation Recitals Cooperation Documents Recitals Covered Persons 4.13 Damages 9.2(a) Closing Working Capital 1.4(aDisclosing Party 10.10(c) Closing Working Capital Statement 1.4(aDisclosure Schedule 4 Domco Preamble Employment Agreements 7.13 Employment Matters Agreement Recitals Exercise Price 7.23(a) Common Units 3.1(e)(v) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(h) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(cExisting Shareholders Preamble FCPA 6.13(b) Financial Statements 2.5(a4.18 First Closing 3.1(a) FMV Schedules 10.10(aFirst Closing Date 3.1(a) Governmental Approvals 6.3(aFirst Closing Purchase Price 2.2(a) GP Framework Agreement Recitals Group Company or Business Contracts 4.14 Hammer Schedule A Hammer Director 7.9 HK Holdco Preamble HKIAC Rules 10.13(a) Indemnification Agreements 7.18 Indemnified Party 9.2(a) Indemnifying Party 9.2(a) Initial Exercise Price 7.23(a) Investor Option 2.2(b) Investors Preamble JD Schedule A Joint Venture Affiliate 4.2(d) Key Employees 4.23 Leased Real Property 4.8 Long-Stop Date 10.15(a)(ii) Material Contracts 4.10(a) New Employers Recitals New Investor 2.2(c) Next Round Financing 2.3 Nominee Shareholder(s) 6.13(e) Non-Disclosing Parties 10.10(c) Non-Transferred Asset 6.1(c) Note Purchase Agreement 7.1(hRecitals Ordinary Shares 4.2(a)(i)(A) Indemnitee 9.7(aPermits 4.7 PFIC 6.8 PRC Companies Preamble PRC GAAP 4.18 Preferred A Issue Price 2.2(a) 55 Indemnitor 9.7(aPrivacy Laws 4.31 Proceeds 6.5 Remaining Number 2.2(c) Indemnity Threshold 9.3(aRestated Articles 2.1 Second Closing 3.1 Second Closing Date 3.1(b) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Securities Act 4.12 Series A-1 Directors 7.9 Series A-1 Shares Recitals Series A-2 Shares Recitals Series Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(ii) A Shares Recitals Straddle Periods 10.4(bShare Charge 7.11 Success Fee 4.27 Tencent Schedule A Tencent Director 7.9 Trust 7.22 Trust Arrangement 7.23 Trust Holdco Preamble Trust Holdco Subscription Agreement 7.23 Trust Ordinary Shares 7.23 Warrantor 4 Warrantors 4 WFOE Preamble Xintai 6.13(h) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m)Yixin Recitals Yixin Note Recitals

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given assigned to such terms in the indicated Sections of this Agreementthe Agreement set forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aAccounting Principles 2.6(a)(i) Aggregate ONEOK Damages 9.3(aAction 4.17(a) Agreement Preamble Audits 2.6(eAllocation Statement 2.7 Applicable Survival Period 10.1(d) Balance Sheet 2.5(aAssigned Business Authorizations 7.1(d) Assigned Contracts 2.1(f) Assignment and Assumption Agreement 3.2(b) Assumed Liabilities 2.3 Authorized Service Provider Agreement 3.2(d) Balance Sheet Date 2.5(a2.6(a)(i) Books and Records 5.2(b)(iBase Amount 2.6(a)(ii) Xxxx of Sale 3.2(a) Business Recitals Claim 9.7(aBusiness Authorizations 4.9(a) Buyer Preamble Buyer’s Benefit Plans 7.4(c) Buyer Closing Certificate 8.3(c) Buyer Indemnitees 10.2(a) Buyer Warranty Losses 10.2(b) Cash Consideration 2.5(a) CERCLA 4.20(a)(i) China Asset Transfer Agreement 3.2(e) Closing 1.3(a3.1 6 Closing Date 3.1 Closing Inventory Amount 2.6(a)(iii) Closing Date 1.3(aInventory Statement 2.6(a)(iv) Closing Working Capital 1.4(aCOBRA 7.4(k) Closing Working Capital Statement 1.4(aConfidentiality Agreement 6.3 Consents 4.3(a) Common Units 3.1(e)(vCopyrights 4.13(a) Companies Dispatched Employees 4.19(g)(viii) Environment 4.20(a)(ii) Environmental Action 4.20(a)(iii) Environmental Clean-up Site 4.20(a)(iv) Environmental Laws 4.20(a)(v) Environmental Permit 4.20(a)(vi) Excluded Assets 2.2 Excluded Contracts 2.2(b) Excluded Liabilities 2.4 FCPA 4.26 Flow Products Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(hForeign Plans 4.18(n) Controlling Party 10.7(cHazardous Substances 4.20(a)(vii) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity In-Bound Licenses 4.13(a)(c) Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c4.13(a) Financial Statements 2.5(aIntellectual Property Rights 4.13(a) FMV Schedules 10.10(aIP Assignments 3.2(h) Governmental Approvals 6.3(aJapan Buildings 2.1(a) GP Japan Business Employees 4.19(g)(i) Japan Collective Bargaining Agreements 4.19(g)(iii) Japan Land 2.1(a) Japan Office Space Lease 3.2(f) Japan Personnel 4.19(g)(vii) Japan Plans 4.18(o) Japan Real Estate Purchase Agreement 7.1(h3.2(g) Indemnitee 9.7(aJapan Work Rules 4.19(g)(vi) 55 Indemnitor 9.7(aJSI Agreement 7.6 June Income Statement 4.4(a) Indemnity Threshold 9.3(aLease 4.12(c) Interim Financial Statements 6.12 KCC Consent 7.1(g7 Leased Real Property 4.12(a) License Period 6.9 Liabilities 4.5 Losses 10.2(a) Marks 4.13(a) Master Services Agreement 3.2(c) Material Contracts 2.10(a4.15(b) Minimum Noncompetition Period 6.8(a) Nondisclosure Agreements 4.13(i) Notice of Claim Amount 9.3(a10.4(a) Net Working Capital Adjustment 1.4(d)(iiOut-Bound Licenses 4.13(d) Neutral Auditors 1.4(cOwned Real Property 4.12(a) NGA 2.17 NonPatents 4.13(a) PCBs 4.20(i) Pension Plan 4.18(b) Personal Property 4.10(a) Policies 4.21(a) Post-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(aClosing Tax Period 7.5(b) Pre-Closing Tax Period 4.1 Pre-Closing Taxable Period 10.6(a)(i7.5(b) Products 4.22(a) Proprietary Information 4.13(a) Purchase Price 1.2 Related 2.5(a) Purchased Assets 2.1 Real Property 4.12(a) Release 4.20(a)(viii) Representatives 6.3 Restricted Business 6.8(a) Restricted Contract 2.8(a) Retained Names 7.3 Section 1060 Forms 2.7 Seller Preamble Seller Closing Certificate 8.2(c) Seller Disclosure Schedule Preamble Article IV Seller Employees 7.4(e) Seller Group Recitals Seller Group Benefit Plans 4.18(a) Seller Indemnitees 10.3(a) 8 Seller Intellectual Property 4.13(e) Seller June Balance Sheet 2.6(a)(i) Seller Owned Intellectual Property 4.13(b) Seller Registered Items 4.13(f) Seller Warranty Losses 10.3(b) Software 4.13(a) Software License Agreement 3.2(i) Statements of Operations 4.4(a) Sublease Agreements 3.2(j) Third Party 2.14 Resolution Period 1.4(bClaim 10.4(a) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods Third Party Defense 10.4(b) Tax Controversy 10.7(aTransfer Taxes 7.5(a) Tax Indemnitor 10.7(aTransferred Employees 7.4(b) Tax Records 10.1 TransCanada Agreement 7.1(hUS Plans 4.18(a) Viking Indenture 7.2(mWork Product Agreements 4.13(j)

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given defined for such terms in the indicated Sections of this Agreementset forth below: INDEX Term Definition Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aAccounts Receivable 2.05(a) Aggregate ONEOK Damages 9.3(aAdvisors 7.01(a) ADW Introductory Clause Agreement Preamble Audits 2.6(e) Introductory Clause AMW Introductory Clause Bxxxxxx Introductory Clause Base Balance Sheet 2.5(a2.04(a) Balance Sheet Date 2.5(aBase Net Working Capital 2.04(a) Books and Records 5.2(b)(iBasket 11.03(b) Benefit Plans 3.18(a) Business Recitals Claim 9.7(aBackground Closing 2.06(a) Closing 1.3(aAdjustment Amount 2.02(c) Closing Date 1.3(aBalance Sheet 2.04(b) Closing Date 2.06(a) Closing Net Working Capital 1.4(a2.04(b) Closing Working Capital Statement 1.4(aCollection Deadline 2.05(a) Common Units 3.1(e)(vCompany Introductory Clause Company Latest Balance Sheet 3.04 Company Shares Background Company Statements 3.04 Contract Termination Liability 7.21 Cxxxxx Introductory Clause Current Assets 2.04(a) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Current Liabilities 2.04(a) Customer Contracts 3.11(c) Deposit Amount 2.02(b) Deposit Agreement 7.1(h2.02(b) Controlling Party 10.7(cDirect Claim 11.06(b) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(cDocument Retention Period 7.01(c) Financial Statements 2.5(aEffective Time 2.06(a) FMV Schedules 10.10(aEMM Introductory Clause Employees 3.17(c) Governmental Approvals 6.3(aEmployee Termination Time 7.02(a) GP Purchase Environmental Laws 3.22(a)(i) Environmental Permits 3.22(c) ERISA Affiliate 3.18(a) Escrow Agent 2.02(c) Escrow Amount 2.02(c) Escrow Agreement 7.1(h2.02(c) Indemnitee 9.7(aFacilities Background Family Trust Introductory Clause Garfield Estate Introductory Clause Government Programs 3.12(d) 55 Indemnitor 9.7(aHanover I Introductory Clause Hanover II Introductory Clause Hazardous Materials 3.22(a)(i) Indemnity Threshold 9.3(aHired Employees 7.02(b) Interim Financial Statements 6.12 KCC Consent 7.1(gHealthcare Fraud Laws 3.12(g) License Period 6.9 Material Contracts 2.10(aHJG Introductory Clause Hxxxxx Trust Introductory Clause Independent Accountants 2.04(d) Minimum Claim Amount 9.3(aLandAmerica 2.02(b) M&A Qualified Beneficiaries 7.02(d) Net Working Capital Adjustment 1.4(d)(ii2.04(a) Neutral Auditors 1.4(cNew Operator Introductory Clause New Operator Indemnified Party 11.03(a) NGA 2.17 Non-Controlling Party 10.7(cNew Operator Parent Introductory Clause PBGC 3.18(g) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(kPCBs 3.22(d) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(iPNCN Introductory Clause PNP Introductory Clause Private Programs 3.12(e) Purchase Price 1.2 Related 2.02(a) Purchaser Introductory Clause Purchaser Indemnified Party 2.14 Resolution 11.03(a) Purchaser Parent Introductory Clause Real Property Tax Liability 7.15(d) Real Property 3.06(a) Refund Amount 2.04(e)(i) Release 3.22(a)(iii) Required Consents 2.06(b)(xiv) Remainder Trust Introductory Clause Rent Rolls 3.25(a) Revocable Trust Introductory Clause Shareholders Introductory Clause Shareholder Indemnified Party 11.04(a) Shareholders’ Representative 14.08 Sick Time Agreement 7.02(b) Straddle Tax Period 1.4(b13.01(b) Services Agreement 1.3(b)(iiSuburban Introductory Clause Tail Coverage 7.06(g) Shares Recitals Straddle Periods 10.4(bTangible Property 3.06(b) Tax Controversy 10.7(aTerminated Contracts 7.21 Title Policies 2.06(b)(iv) Tax Indemnitor 10.7(aThird Party Claim 11.06(a)(i) Tax Records 10.1 TransCanada Agreement 7.1(hTrust Accounts 3.26 UCC Searches 8.01(g) Viking Indenture 7.2(m)VEBA 7.02(g) Wexford Introductory Clause Working Capital Adjustment Amount 2.03

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given assigned to such terms in the indicated Sections of this AgreementAgreement set forth below opposite such term: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a2012 10-K 3.1 Adjusted Option 2.11 Audit Opinion 3.9(d) Aggregate ONEOK Damages 9.3(aAuditor 5.2(m) California Subsidiary Recitals Carved Out Securities 1.10 Certificate of Merger 1.2 _______ 1 To be updated as appropriate. Closing 1.2 Closing Agreement 5.2(c) Closing Agreements 5.2(c) Closing Date 1.2 CO Mississippi Recitals CO Rhode Island Recitals CO Woodbridge Recitals Company Preamble Audits 2.6(e) Company Balance Sheet 2.5(a) 2.8 Company Balance Sheet Date 2.5(a2.8 Company Board Recitals Company Board Recommendation 4.12(b) Books and Records 5.2(b)(iCompany Bylaws 1.3(b) Business Recitals Claim 9.7(a) Closing Company Certificate of Incorporation 1.3(a) Closing Date 1.3(aCompany Common Stock 1.5(a)(ii) Closing Working Capital 1.4(a) Closing Working Capital Statement 1.4(a) Common Units 3.1(e)(v) Companies Recitals Company Recitals Derivative Securities 2.3 Company Subsidiary 2.2 Contribution Agreement 7.1(h) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c) Disclosure Letter Article 2 Company Financial Statements 2.5(a2.8 Company Instruments of Indebtedness 2.18(a) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Company Material Contracts 2.10(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(hCompany Option 1.11 Company Resolutions 5.1(e) 56 Parties Company Stockholders 1.5(c) Current Company D&O Policies 4.8(a) D&O Insurance 4.8(a) DGCL Recitals Director Designees 4.2(d) Director Resignations 4.2(c) Dissenting Shares 1.9 Effective Time 1.2 Exchange Agreement 5.2(c) Exchange Ratio 1.5(a)(ii) FCPA 2.13 Financial Information 3.9(b) FINRA Notice 3.19 Former Subsidiaries Recitals GoLocal Recitals Indemnification Provisions 4.8 Indemnitees 4.8 Latest Parent Balance Sheet 3.9(a) Liable Party 7.5 Litigation 2.11 Merger Recitals Merger Consideration 1.5(a) Merger Sub Preamble Merger Sub Board Recitals 52 Merger Sub Board Recommendation 4.13(b) Merger Sub Common Stock 1.5(a)(i) Merger Sub Stockholder Approval 3.4 Name Change Merger Agreement 4.7 Name Change Merger 4.7 Name Change Merger Certificate 4.7 Name Change Merger Sub Recitals Name Change Merger Sub Board Recitals Name Change Merger Sub Resolution 5.2(k) Officer Resignations 4.2(b) Outside Date 7.2(a) Parent Preamble Parent and Merger Sub Resolutions 5.2(j) Parent Balance Sheet Date 3.9(a) Parent Board Recitals Parent Board Appointment Date 4.2(d) Parent Board Appointments 4.2(d) Parent Derivative Securities 3.3(c) Parent Disclosure Letter Article 3 Parent Indirect Subsidiaries Recitals Parent Instruments of Indebtedness 3.23(a) Parent Material Contracts 3.23(a) Parent Preferred Stock 3.3(a) Parent Stock Plan 3.3(a) Parent Subsidiaries 3.2(a) Payoff Letter 4.9 Payoff Party Preamble Part-Year Fraction 10.5(a) 4.9 Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i4.3 Resigning Directors 4.2(c) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(bResigning Officers 4.2(b) Services Agreement 1.3(b)(iiReverse Split Recitals Reverse Split Charter Amendment Recitals SEC Documents 3.9(a) Share Authorization Failure 1.10 Stockholder Rep Letters 3.8(b) Surviving Corporation 1.1 Surviving Corporation Bylaws 1.3(b) Surviving Corporation Certificate of Incorporation 1.3(a) TerraSphere Recitals Total True Up Amount 1.10 True Up Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m)1.10 True Up Expiration Date 1.10

Other Defined Terms. For the purpose of this Agreement, the The following terms shall have the meanings given assigned to such terms in the indicated Sections of this Agreementthe Agreement set forth below: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aAction 3.18(a) Aggregate ONEOK Damages 9.3(aAgent 5.7 Agreement Preface Allocation Certificate 5.9 Applicable Survival Period 10.1(d) Agreement Preamble Audits 2.6(eApplication Survival Period 10.1(d) Balance Sheet 2.5(a3.6(b) Balance Sheet Date 2.5(a3.6(b) Books and Records 5.2(b)(iBaseline Measurement Period 2.9(b) Business Recitals Claim 9.7(aBaseline Revenue 2.9(b) Baytree Capital 3.26 CERCLA 3.21(a)(iv) Certificates 2.2(c) Charter Documents 3.1(b) Common Stock 2.1(a) Closing 1.3(a1.3 Closing Consideration 2.1(b)(i) Closing Date 1.3(a) Closing Working Capital 1.4(a) Closing Working Capital Statement 1.4(a) Common Units 3.1(e)(v) Companies 1.3 Code Recitals Company Recitals Preface Company Subsidiary 2.2 Contribution Agreement 7.1(hBenefit Plan 3.19(a) Controlling Party 10.7(cCompany Common Stock 2.1(a) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Company Common Stock Equivalents 2.1(a) Company Disclosure Schedule Preamble Article III Company Equity Holders 5.9 Company Intellectual Property Assets 2.9 FERC 6.1 3.15(e) Company Owned Intellectual Property 3.15(b) Company Owned Software 3.15(n)(i) Company Registered Items 3.15(f) Company Shares 3.2(a) Company Stock Options 2.1(a) Company Stockholder 2.1(b) Company Stockholder Approval 3.4(b) Company Stockholder Indemnitees 10.2(b) Company Voting Agreements Recitals Confidentiality Agreement 5.3 Consents 3.5(a) Constituent Corporations 1.1 Copyrights 3.15(a) Delaware Code 1.1 Dissenting Share Payments 2.7(b) Dissenting Shares 2.7(a) Earnout Consideration 2.1(b)(i) Earnout Dispute Notice 2.9(c)(ii) Earnout Measurement Period 2.9(a)(ii) Earnout Payment 2.9(a) Effective Time 1.3 Environment 3.21(a)(i) Environmental Action 3.21(a)(ii) Environmental Clean-Up Site 3.21(a)(iii) Environmental Laws 3.21(a)(iv) Environmental Liabilities 3.21(a)(v) Environmental Permit 3.21(a)(vi) ERISA 3.19(a) ERISA Affiliate 3.19(a) Escrow Agent 2.2(d) Escrow Agreement 2.2(d) Escrow Fund 10.3(a) Excess Revenue 2.9(b) Exchange Act 4.4(b) Exchange Ratio 2.1(b)(i) Final Closing Working Capital 1.4(cStatement of Revenue 2.9(c)(ii) Financial Statements 2.5(a3.6(a) FMV Schedules 10.10(aFIRPTA Certificate 5.10 Funding Error! Reference source not found. GAAP 3.6(b) Governmental Approvals 6.3(aHazardous Substances 3.21(a)(vii) GP Purchase Agreement 7.1(hIn-Bound Licenses 3.15(c) Indemnitee 9.7(aIndemnification Date 10.2(c) 55 Indemnitor 9.7(aIndemnification Threshold 10.2(c) Indemnitors 10.2(a) Indemnity Threshold 9.3(aStock Price 10.3(b) Intellectual Property 3.15(a) Intellectual Property Rights 3.15(a) Interim Balance Sheet 3.6(b) Interim Balance Sheet Date 3.6(b) Interim Financial Statements 6.12 KCC Consent 7.1(g3.6(a) License Period 6.9 Joint Operating Agreement Recitals Liabilities 3.7 Liens 3.3(a) Lockup Agreement 6.2 Losses 10.2(a) Marks 3.15(a) Material Contracts 2.10(a3.17(b) Minimum Merger 1.1 Merger Consideration 2.1(b)(i) Merger Sub Preface Minor Contracts 3.17(e) 2006 Monthly Budget 6.4 Nondisclosure Agreements 3.15(i) Notice of Claim Amount 9.3(a10.4(a) Net Working Capital Adjustment 1.4(d)(iiOut-Bound Licenses 3.15(d) Neutral Auditors 1.4(cParent Preface Parent Common Stock 2.1(b)(i) NGA 2.17 Non-Controlling Parent Indemnitees 10.2(a) Parent Preferred Stock 4.2 Parent SEC Reports 4.5(a) Parent Stockholder Approval 6.3 Patents 3.15(a) PCBs 3.21(h) Pension Plan 3.19(b) Permitted Liens 3.12(a) Policies 3.23(a) 81 Principal Company Stockholder Recitals Proposal 5.7 Proprietary Information 3.15(a) Proxy Statement 7.2(a) RCRA 3.21(a)(iv) Real Property 3.14(a) Release 3.21(a)(viii) Representatives 5.3 Revenue 2.9(a) Reviewing Accountant 2.9(c)(ii) SEC 4.5(a) Securities Act 4.5(a) Software 3.15(a) Statement of Revenue 2.9(c)(i) Stockholders' Representative Preface Stockholders' Representative Agreement 2.2(d) Surviving Corporation 1.1 Tax 3.9(a)(i) Tax Returns 3.9(a)(ii) Taxing Authority 3.9(a)(iii) Third Party 10.7(cClaim 10.4(a) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns Third Party Defense 10.4(b) OCC Consent 7.1(gTotal Parent Shares 2.1(b)(i) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(iiTransitioned Employees 6.1 Transmittal Letter 2.2(b) ONEOK Indemnity Cap 9.3(bTreasury Shares 2.1(b)(i) ONEOK Marks 6.9 Operating Assets 2.18(aWarranty Losses 10.2(c) Other Transaction Work Product Agreements 7.1(h) 56 Parties Preamble Party Preamble Part-Year Fraction 10.5(a) Pre-Closing Period 4.1 Pre-Closing Taxable Period 10.6(a)(i) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m3.15(j)

Other Defined Terms. For the purpose of this AgreementIn addition, the following terms shall have the meanings given ascribed to them in the indicated Sections corresponding section of this Agreement: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a) Aggregate ONEOK Damages 9.3(a) Agreement Preamble Audits 2.6(eAllocation 2.10 Allocation Schedule 2.10 Antitrust Laws 3.4 Approvals 2.11(a) Balance Sheet 2.5(aAsset Removal Notice 5.18(a) Balance Sheet Date 2.5(aAssignment Agreement and Xxxx of Sale 2.8(a)(viii) Books and Records 5.2(b)(iAssumed Liabilities 2.6 Bankruptcy Code 6.1 Base Purchase Price 2.2 Business Contracts 2.4(b) Business Recitals Claim 9.7(aFinancial Statements 3.6(a) Business Information Technology 2.4(h) Business Permits 3.12(c) Closing 1.3(a) 2.3 Closing Date 1.3(a2.3 Closing Statement 2.9(a) Collective Bargaining Agreement 3.15(f) Competing Business 5.15(b)(i) Confidentiality Agreement 5.3(a) Current Representation 11.12(a) D&O Indemnitees 5.17(a) Designated Person 11.12(a) Dispute Notice 2.9(c) Dispute Resolution Period 2.9(c) Divestiture Action 5.1(a) Divestiture Agreement 5.1(a) Employment Laws 3.15(k) Enforceability Exceptions 3.3 Environmental Permits 3.13(a)(ii) Estimated Closing Cash Amounts 2.9(a) Estimated Closing Indebtedness 2.9(a) Estimated Working Capital 1.4(a2.9(a) Closing Working Capital Statement 1.4(aExceptions 5.11(c) Common Units 3.1(e)(vExcluded Assets 2.5 FDA 3.21(a) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Final Purchase Price 2.9(f) Food Authorities 3.21(a) FTC 3.21(a) GDPR 5.8(m) Guarantees 5.9 Indemnified Party 10.5(a) Indemnifying Party 10.5(a) Independent Accounting Firm 2.9(c) Internet Properties 1.1 Inventory 2.4(i) IP Assignment Agreement 7.1(h2.8(a)(x) Controlling Party 10.7(cKeebler Trademark License Agreement 2.8(a)(xi) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(cKellogg Trademark License Agreement 2.8(a)(vi) Financial Statements 2.5(aLeave Recipients 5.8(a)(ii) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Marks 1.1 Material Contracts 2.10(a3.11(a) Minimum Claim Amount 9.3(a) Net Working Capital Adjustment 1.4(d)(ii) Neutral Auditors 1.4(c) NGA 2.17 Non-Controlling Party 10.7(cAssignable Assets 2.11(a) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(k) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(aNon-Regulatory Approvals 2.11(b) Other Transaction Agreements 7.1(hAssets 2.4(q) 56 Other Multiemployer Plan 3.15(b) Other Party 10.5(d) Other Seller Business 2.5(z) Outside Date 9.1(d) Owned Real Property 2.4(c) Parties Preamble Party Preamble Part-Year Fraction 10.5(aPatents 1.1 Personal Information 3.9(k) PrePost-Closing Period 4.1 PreRepresentation 11.12(a) Post-Closing Taxable Period 10.6(a)(iStatement 2.9(b) Purchase Price 1.2 2.2 Purchased Assets 2.4 Purchased Companies 2.4(a) Purchased Company 2.4(a) Purchased Company Assets 2.4(t) Purchased Company Liabilities 2.6(l) Purchased Company Securities 3.2 Purchased Company Shares 2.4(a) Purchaser Preamble Purchaser 401(k) Plan 5.8(e) Purchaser FSA Plan 5.8(i) Purchaser Indemnified Parties 10.3 Purchaser Licensed Patent 6.2(b) Purchaser Material Adverse Effect 4.1 Purchaser Parties 10.2(b) Purchaser R&W Insurance Policy 5.7 Purchaser Tax Indemnified Parties 7.1 Purchaser’s Allocation Notice 2.10 Real Property Lease Assignment 2.8(a)(ix) Real Property Leases 2.4(c) Registered Business Intellectual Property 3.9(a) Related Party 2.14 Resolution Period 1.4(bAgreement 3.16(a) Release 5.9 Relevant Party 10.5(d) Represented Employee Multiemployer Plan 3.15(b) Represented Transferred Business Employee 5.8(a)(i) Required Regulatory Approvals 8.1(a) Retained Claims 2.5(u) Retained Liabilities 2.7 Reverse Supply Agreement 2.8(a)(iv) Securities Act 4.7 Seller Preamble Seller 401(k) Plans 5.8(e) Seller Equity Award 5.8(k)(i) Seller FSA Plan 5.8(i) Seller Indemnified Parties 10.4 Seller Licensed Patent 6.1(b) Seller Parties 10.2(b) Seller Shares 5.8(k)(i) Seller Tax Indemnified Parties 7.2 Seller’s Allocation 2.10 Shared Contract 2.11(d) Specified Competing Business 5.15(b)(i) Supply Agreement 2.8(a)(iii) Terms and Provisions 3.10(d) Third Party Claim 10.5(a) Third Party Provider 3.9(k) Title Affidavits 2.8(b)(xii) Top Customers 3.20(a) Top Suppliers 3.20(b) Trade Secrets 1.1 Transaction Recitals Transfer Taxes 7.8 Transferred Business Employee 5.8(a)(i) Transferred Commercial Data 2.4(e) Transferred FSA Balances 5.8(i) Transferred Leased Property 2.4(c) Transferred Permits 2.4(l) Transferred Personnel Files 2.4(p) Transition Product Assets 2.4(j) Transition Services Agreement 1.3(b)(ii2.8(a)(v) Shares Recitals Straddle Periods 10.4(bUSDA 3.21(a) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m)Volume Commitment Contracts 5.19

Other Defined Terms. For In addition to the purpose defined terms set forth in Section 1.01 of this AgreementExhibit A, each of the following capitalized terms shall have the meanings given has specified in the indicated Sections of this AgreementSection set forth opposite such term below: INDEX the respective meaning Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(a) Aggregate ONEOK Damages 9.3(aAdditional Approvals 3.05(b)(iv) Agreement Preamble Audits 2.6(eBankruptcy and Equity Exceptions 3.04 Book-Entry Shares 2.03(b)(i) Balance Sheet 2.5(aCertificate 2.03(b)(i) Balance Sheet Date 2.5(a) Books and Records 5.2(b)(i) Business Recitals Claim 9.7(a) Certificate of Merger 1.02 Closing 1.3(a) 1.03 Closing Date 1.3(a1.03 Closing Year 6.10(b) Closing Working Capital 1.4(aCompany Preamble Company Acquisition Agreement 5.03(b) Closing Working Capital Statement 1.4(aCompany Adverse Recommendation Change 5.03(b) Common Units 3.1(e)(v) Companies Company Articles 3.01 Company Board Recitals Company Recitals Board Recommendation 3.04 Company Subsidiary 2.2 Contribution Bylaws 3.01 Company Common Stock 2.01(a) Company Contract 3.15(a) Company Credit Agreement 7.1(h5.05(c) Controlling Party 10.7(cCompany Disclosure Letter Article III Company Employee 6.10(a) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Intellectual Property Assets 2.9 FERC 6.1 Final Closing Working Capital 1.4(c) Company Financial Statements 2.5(a3.06(a) FMV Schedules 10.10(aCompany Indemnified Parties 6.09(a) Governmental Company Intervening Event 5.03(f)(iii) Company Projections 3.22 Company Recommendation Change Notice 5.03(c) Company Reports 3.06(a) Company Required Approvals 6.3(a3.05(b)(iv) GP Purchase Company Required Consents 3.05(a) Company Risk Management Guidelines 5.01(a)(xxi) Company Shareholder Approval 3.04 Company Shareholders Meeting 3.04 Company Takeover Proposal 5.03(f)(i) Company Voting Debt 3.03(b) Confidentiality Agreement 7.1(h6.02(b) Indemnitee 9.7(aConsent 3.05(b) 55 Indemnitor 9.7(aContinuation Period 6.10(a) Indemnity Threshold 9.3(aControlled Group Liability 3.09(d) Interim Financial Statements 6.12 KCC Consent 7.1(gDebt Commitment Letter 4.06 Debt Financing 4.06 Debt Financing Related Parties 9.07 Debt Financing Source Provisions 9.07 Debt Letters 4.06 Dissenting Shares 2.05 Effective Time 1.02 End Date 8.01(b)(i) License Period 6.9 Material Contracts 2.10(aEnvironmental Permit 3.14(a)(i) Minimum Claim Equity Commitment Agreement Recitals Equity Securities 3.03(b) Exchange Act 3.05(b)(i) Exchange Agent 2.03(a) Exchange Fund 2.03(a) FERC 3.05(b)(iv) Filing 3.05(b) Final Order 7.01(b) FPA 3.05(b)(iv) GAAP 3.06(a) HSR Act 3.05(b)(ii) Insurance Policies 3.18 IRS 3.09(b) IT Policies and Procedures 3.17(d) IT Systems 3.17(c) Legal Restraint 7.01(c) Liability Limitation 9.10 Liens 3.05(a) Maximum Amount 9.3(a6.09(c) Net Working Capital Adjustment 1.4(d)(iiMerger Recitals Merger Consideration 2.01(a) Neutral Auditors 1.4(cMerger Sub Preamble NMPRC 3.19(b) NGA 2.17 Non-Controlling Party 10.7(cNRC 3.05(b)(iv) Northern Border Parent Preamble Northern Border Credit Agreement Amendments 7.2(kParent Disclosure Letter Article IV Parent Required Approvals 4.03(b)(ii) Northern Border Credit Agreements 7.2(kParent Required Consents 4.03(a) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(a) Other Transaction Agreements 7.1(h) 56 Parties Preamble Party Preamble PartPreferred Stock 3.03(a) Proceedings 5.02 Proxy Statement 6.01(a) PUCT 3.19(b) Representatives 5.03(a) Represented Employee Required Amendment Required Approvals Required Consents 6.10(c) 5.05(c) 4.03(b)(ii) 4.03(a) SEC 3.05(b)(i) Securities Act 3.05(b)(i) Sponsor Recitals Substitute Financing 5.04(e) Superior Company Proposal 5.03(f)(ii) Surviving Corporation 1.01 Takeover Statute 3.13 TBOC Recitals Transaction Litigation 6.04 Trustee 5.05(c) WARN Act 3.10 Willful Breach 8.02(e) EXHIBIT B COMMITMENTS TO BE INCLUDED IN APPLICATIONS TO THE PUCT AND NMPRC AND AGREEMENT WITH THE CITY OF EL PASO Economic Development and Community Commitments • Commitment to dedicate $100 million to promote economic development in the City of El Paso, Texas and Las Cruces, New Mexico to be funded at a level of $5 million per year for 20 years. Contributions to the fund will not be recoverable in rates. • Maintain the Company’s annual amount of charitable giving following the transaction at the Company’s average annual charitable giving level for the three-Year Fraction 10.5(a) Preyear period ending December 31, 2018 (i.e., approximately $1.2 million per year). • Maintain the Company’s existing low income assistance programs while evaluating potential methods to improve such programs. • Create programs that provide entry-Closing Period 4.1 Prelevel training focused on engineering, management and finance skills for the local labor force in collaboration with the University of Texas at El Paso and New Mexico State University. • Create apprenticeship programs for technical and professional positions for students in local high-Closing Taxable Period 10.6(a)(i) Purchase Price 1.2 Related Party 2.14 Resolution Period 1.4(b) Services Agreement 1.3(b)(ii) Shares Recitals Straddle Periods 10.4(b) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(m)schools and colleges. • Continue and enhance utility supplier diversity by promoting the inclusion of minority-, women-, LGBTQ- and veteran- owned businesses into the Company’s supply chain. • Study and evaluate growth opportunities related to electric vehicles, distributed generation and battery storage in collaboration with the University of Texas at El Paso and New Mexico State University. • The Company will support Texas RPS standards and the New Mexico Energy Transition Act. • The Company shall report annually to the NMPRC the status of efforts during the prior calendar year to add renewable energy to its power supply portfolio and assure compliance toward the New Mexico Energy Transition Act. Such report shall include a description of efforts to diversify the renewable energy sources considered and an explanation as to what determinations were made and the basis therefor.

Other Defined Terms. For the purpose of this AgreementIn addition, the following terms shall have the meanings given ascribed to them in the indicated Sections corresponding section of this Agreement: INDEX Term Section 1935 Act 2.17 Aggregate Northern Border Damages 9.3(aAAA 5.15(b) Aggregate ONEOK Damages 9.3(aAccess Limitations 5.4(b) Agreement Preamble Audits 2.6(eAl Salam J 5.14(b)(ix) Balance Sheet 2.5(aAllocation Schedule 2.10(b) Anti-Corruption Laws 3.20(a) Antitrust Laws 3.4(b) Applicable Purchased Consolidated Venture 6.10(b) Applicable Purchased Non-Consolidated Venture 6.10(b) Approvals 2.11(a) Acquiror 5.14(c) Assignment and Assumption Agreement 2.8(a)(v) Assumed Liabilities 2.6 Balance Sheet Date 2.5(a3.6(a) Books and Records 5.2(b)(iBase Purchase Price 2.2 Bill of Sale 2.8(a)(iv) Business Recitals Claim 9.7(aFinancial Statements 3.6(a) Business Leases 3.10(b) Business Permits 3.12(b) Business Products 5.9(f)(i) Cap 9.2(b)(ii) Category 1 Exempt Products and Services 5.14(b)(vi) Category 2 Exempt Products and Services 5.14(b)(vii) Closing 1.3(a) 2.3 Closing Date 1.3(a2.3 Closing Statement 2.9(b) COBRA 5.7(j) Combined Tax Return 6.4(a) Competing Business 5.14(b) Confidentiality Agreement 5.3 Controlled Business IP Business IP definition Controlling Party 6.6(c) Controls Supply Agreement 2.8(b)(xii) Copyrights Intellectual Property definition Credit Enhancements 5.8 Current Representation 10.13 Deeds 2.8(a)(vi) Designated Person 10.13 Dispute Notice 2.9(e) Dispute Resolution Period 2.9(e) Distribution Fall-away Date 2.15(c) Divested Entity 5.14(c) Divestiture Period 5.14(b)(iii) Ducted Patent License Agreement 2.8(a)(x) Ductless Leased Property 3.10(b) Ductless Owned Property 3.10(a) Enforceability Exceptions 3.3 Estimated Adjustment Amount 2.9(b)(i) Estimated Closing Operating Cash Amounts 2.9(b)(ii) Estimated Closing Ducted Operating Cash Amounts 2.9(b)(ii) Estimated Closing Ducted Funded Debt 2.9(b)(iii) Estimated Closing Ducted Transaction Expenses 2.9(b)(iv) Estimated Closing Ducted Working Capital 2.9(b)(i) Estimated Closing Ductless Operating Cash Amounts 2.9(b)(ii) Estimated Closing Ductless Funded Debt 2.9(b)(iii) Estimated Closing Ductless Transaction Expenses 2.9(b)(iv) Estimated Closing Ductless Working Capital 2.9(b)(i) Estimated Closing Funded Debt 2.9(b)(iii) Estimated Closing Transaction Expenses 2.9(b)(iv) Estimated Closing Working Capital 1.4(a2.9(b)(i) Closing Working Capital Statement 1.4(aEvent Business Material Adverse Effect definition Excess Cash Amount 2.15(b) Common Units 3.1(e)(vExchange Act 3.4(b) Companies Recitals Company Recitals Company Subsidiary 2.2 Contribution Agreement 7.1(hExcluded Assets 2.5 Excluded Business Taxes 6.1 Excluded Information 5.16(b) Controlling Party 10.7(c) Conversion Transactions 6.11 CPR Rules 11.12 Entities 2.2 Entity 2.2 Entity Excluded Intellectual Property Assets 2.9 FERC 6.1 2.5(e) Exempt Products and Services 5.14(b)(vii) Final Purchase Price 2.9(g) Foreign Acquisition Agreements 2.12 Foreign Closing Documents 2.8(a)(vii) Gross Ductless Adjustments 5.20(e) Gross Estimated Ductless Adjustments 5.20(d) HD Supply Arrangement 5.9(i) HGLS Recitals Hitachi Closing 5.20(a) Hitachi Closing Purchase Price 5.20(d) Hitachi Final Purchase Price 5.20(e) Hitachi SPA Recitals Identified Patent Family 5.15(b) Identified Patents 5.15(b) Indemnified Party 9.4(a) Indemnifying Party 9.4(a) Independent Accounting Firm 2.9(e) Infringe 3.9(f) Initial Allocation 2.10(a) Insurance Policies 3.19 IP Assignment Agreement 2.8(a)(viii) JCH Recitals JCH-TW 2.15(c)(B) JCH Related Covered Losses 9.2(c) JCHAC India 5.22(a) Joint Transitional Working Capital 1.4(cGroup 5.6(b) Financial Statements 2.5(aLeased Property 3.10(b) FMV Schedules 10.10(a) Governmental Approvals 6.3(a) GP Purchase Agreement 7.1(h) Indemnitee 9.7(a) 55 Indemnitor 9.7(a) Indemnity Threshold 9.3(a) Interim Financial Statements 6.12 KCC Consent 7.1(g) License Period 6.9 Material Contracts 2.10(a3.11(a) Minimum Claim Amount 9.3(aMaterial Customers 3.22(a) Net Working Capital Adjustment 1.4(d)(iiMaterial Suppliers 3.22(b) Neutral Auditors 1.4(cMTO 5.22(a) NGA 2.17 MTO Requirements 5.22(a) Non-Controlling Party 10.7(c6.6(c) Northern Border Preamble Northern Border Credit Agreement Amendments 7.2(kOccurrence-Based Policies 5.10(b) Northern Border Credit Agreements 7.2(k) Northern Border Disclosure Schedules 3 Northern Border Indemnity Cap 9.3(b) Northern Border Returns 10.4(b) OCC Consent 7.1(g) ONEOK Preamble ONEOK Disclosure Schedules 2 ONEOK Guaranty Agreement 1.3(b)(ii) ONEOK Indemnity Cap 9.3(b) ONEOK Marks 6.9 Operating Assets 2.18(aOFAC Sanctioned Person definition Omitted Third-Party License 5.9(e) Other Transaction Agreements 7.1(hReseller Use 5.9(i) 56 Parties Outside Date 8.1(d) Owned Property 3.10(a) parties Preamble Party Parts Restriction 5.14(b)(vii) party Preamble PartPatents Intellectual Property definition Post-Year Fraction 10.5(aClosing Loss 6.5(b) Post-Closing Statement 2.9(d) Post-Closing Statement Delivery Deadline 2.9(d) Pre-Closing Period 4.1 Bonus Amount 5.7(i) Pre-Closing Taxable Period 10.6(a)(iOccurrences 5.10(b) Pre-Closing Reorganization 5.13(a) Pre-Closing Separate Tax Return 6.4(a) Privacy and Security Requirements 3.9(l) Product and Purchase Price 1.2 Supply Agreement 2.8(b)(xiii) Purchased Assets 2.4 Purchased Consolidated Venture 2.4(a) Purchased Controlled Companies 2.4(a) Purchased Entities 2.4(a) Purchased Entity 2.4(a) Purchased Entity Shares 2.4(a) Purchased Non-Consolidated Venture 2.4(a) Purchased Venture Governing Documents 3.2(c) Purchased Venture Interests 2.4(a) Purchased Ventures 2.4(a) Purchaser Preamble Purchaser 401(k) Plan 5.7(g) Purchaser Covenant Parties 5.9(f)(i) Purchaser Covered Person 5.14(a) Purchaser Indemnified Parties 9.2(a) Purchaser Material Adverse Effect 4.1 Purchaser Non-Recourse Related Party 2.14 Resolution 8.2(b) Purchaser Reimbursement Provisions 9.3(a) Purchaser Released Claims 5.19(a) Purchaser Tax Indemnified Parties 6.1 Purchaser’s Allocation Notice 2.10(b) R&W Insurance Policy 5.17 Regulatory Remedy 5.1(c) Related Party Agreement 3.17 Released Purchaser Parties 5.19(b) Released Seller Parties 5.19(a) Releasing Purchaser Parties 5.19(a) Releasing Seller Parties 5.19(b) Required Financial Statements 2.15(d) Residential Environments 5.14(b)(viii) Restraint 8.1(e) Retained Liabilities 2.7 Sample Closing Statement 2.9(a) SEBI Takeover Regulations 5.22(a) Securities Act 4.7 Seller Preamble Seller 401(k) Plans 5.7(g) Seller Counsel 10.13 Seller Covenant Parties 5.9(f)(i) Seller Indemnified Parties 9.3(a) Seller Labor Agreement 3.16(b) Seller Non-Recourse Related Party 8.2(b) Seller Parties 5.17 Seller Receivable HAPQ Distribution 2.15(e) Seller Released Claims 5.19(b) Seller Reimbursement Provisions 9.2(a) Seller Tax Indemnified Parties 6.2 Seller Transitional Marks 5.9(b) Seller’s Allocations 2.10(b) Shared Contract 2.11(c) Shimizu Closing 5.21(a) Solvent 4.8 Specified Business Contracts 2.4(b) Straddle Period 1.4(bSeparate Tax Return 6.4(b) TTLA Licensee 5.9(i) TTLA Licensor 5.9(i) Termination Fee 8.2(b) Third Party Claim 9.4(a) Trade Secrets Intellectual Property definition Trademark License Agreement 2.8(a)(ix) Trademarks Intellectual Property definition Transaction Recitals Transfer Taxes 6.12 Transferred Business Employee 5.7(a)(ii) Transferred International Business Employees 5.7(l) Transferred IP 2.4(d) Transferred IT Assets 2.4(e) Transferred Leased Property 2.4(c)(ii) Transferred Leases 2.4(c)(ii) Transferred Owned Property 2.4(c)(i) Transferred Permits 2.4(k) Transition Period 5.9(b) Transition Services Agreement 1.3(b)(ii2.8(a)(iii) Shares Recitals Straddle Periods 10.4(bTransitional Trademark License Agreement 5.9(i) Tax Controversy 10.7(a) Tax Indemnitor 10.7(a) Tax Records 10.1 TransCanada Agreement 7.1(h) Viking Indenture 7.2(mVenture Equity Interests 3.2(c)