Common use of IN WITNESS OF WHICH Clause in Contracts

IN WITNESS OF WHICH. the parties hereto have duly executed this Agreement as of the date set forth on the first page of this Agreement. ALTALINK MANAGEMENT LTD,. asGeneral Partner of ALTALINK, L.P. By: /s/ Xxxxxx Xxxxxxxxxx Name: Xxxxxx Xxxxxxxxxx Title: Executive Vice President and Chief Financial Officer By: /s/ Xxxxxxxxxxx X. Lomore Name: Xxxxxxxxxxx X. Lomore Title: Vice President, Treasurer ALTALINK MANAGEMENT LTD. By: /s/ Xxxxxx Xxxxxxxxxx Name: Xxxxxx Xxxxxxxxxx Title: Executive Vice President and Chief Financial Officer By: /s/ Xxxxxxxxxxx X. Lomore Name: Xxxxxxxxxxx X. Lomore Title: Vice President, Treasurer THE BANK OF NOVA SCOTIA, as Administrative Agent, Co-Lead Arranger and Co-Bookrunner By: /s/ Xxxxxx Xxxxxxxx Name: Xxxxxx Xxxxxxxx Title: Director By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Associate Director THE BANK OF NOVA SCOTIA, as Lender By: /s/ Xxxxxxx Xxxxxx Name: Xxxxxxx Xxxxxx Title: Director By: /s/ Xxxxxxx Xxxxxxxx Name: Xxxxxxx Xxxxxxxx Title: Associate Director ROYAL BANK OF CANADA, asSyndication Agent, Co Lead Arranger, andCo-Bookrunner By: /s/ Xxxxxxx X. Xxxxxx Name: Xxxxxxx X. Xxxxxx Title: Authorized Signatory ROYAL BANK OF CANADA, as Lender By: /s/ Xxxxxxx X. Xxxxxx Name: Xxxxxxx X. Xxxxxx Title: Authorized Signatory THE BANK OF MONTREAL, as Co-Documentation Agent By: /s/ Xxxxx XxXxxxxx Name: Xxxxx XxXxxxxx Title: Vice President By: /s/ Xxxxxx Xxxxxx Name: Xxxxxx Xxxxxx Title: Associate THE BANK OF MONTREAL, as Lender By: /s/ Xxxxx XxXxxxxx Name: Xxxxx XxXxxxxx Title: Vice President By: /s/ Xxxxxx Xxxxxx Name: Xxxxxx Xxxxxx Title: Associate NATIONAL BANK OF CANADA, as Co-Documentation Agent By: /s/ Xxxx Xxxxxxxxxx Name: Xxxx Xxxxxxxxxx Title: Authorized Signatory By: /s/ Xxxx Xxxxxxxxxx Name: Xxxx Xxxxxxxxxx Title: Authorized Signatory NATIONAL BANK OF CANADA, as Lender By: /s/ Xxxx Xxxxxxxxxx Name: Xxxx Xxxxxxxxxx Title: Authorized Signatory By: /s/ Xxxx Xxxxxxxxxx Name: Xxxx Xxxxxxxxxx Title: Authorized Signatory THE TORONTO DOMINION BANK, as Lender By: /s/ Xxxxx Manli Name: Xxxxx Manli Title: Vice President By: /s/ Xxxx Xxxxxx Name: Xxxx Xxxxxx Title: Managing Director ALBERTA TREASURY BRANCHES, as Lender By: /s/ Xxx Xxxxx Name: Xxx Xxxxx Title: Director Energy By: /s/ Xxxxxx Xxxxxxx Name: Xxxxxx Xxxxxxx Title: Associate Director Energy TO: The Bank of Nova Scotia ("BNS"), as Administrative Agent for the Lenders, under the Credit Agreement This Certificate is delivered to you pursuant to the Third Amended and Restated Credit Agreement made as of December 19, 2013, as amended, restated or replaced from time to time (the "Credit Agreement") between AltaLink, L.P., AltaLink Management Ltd., BNS, as Administrative Agent, Co-Lead Arranger and Co-Bookrunner, Royal Bank of Canada ("RBC"), as Syndication Agent, Co-Lead Arranger and Co-Bookrunner, The Bank of Montreal ("BMO") and National Bank of Canada ("NBC"), as Co-Documentation Agents, and BNS, RBC, BMO, NBC, The Toronto-Dominion Bank and Alberta Treasury Branches, as Lenders, and the other Lenders which from time to time become a party thereto. Capitalized terms used in this Certificate and not otherwise defined have the meanings given in the Credit Agreement. The undersigned has read the provisions of the Credit Agreement which are relevant to the furnishing of this Certificate. The undersigned has made such examination and investigation as was, in the opinion of the undersigned, necessary to enable the undersigned to express an informed opinion on the matters set out herein. The undersigned hereby certifies that as of the date hereof:

IN WITNESS OF WHICH. the parties hereto have duly executed this Agreement as of the date set forth on the first page of this Agreement. ALTALINK MANAGEMENT LTD,. asGeneral Partner of ALTALINK, L.P. By: /s/ Xxxxxx Xxxxxxxxxx Xxxxx Xxxx Name: Xxxxxx Xxxxxxxxxx Xxxxx Xxxx Title: Executive Vice President and Chief Financial Officer By: /s/ Xxxxxxxxxxx X. Lomore Name: Xxxxxxxxxxx X. Lomore Title: Vice President, Treasurer ALTALINK MANAGEMENT LTD. By: /s/ Xxxxxx Xxxxxxxxxx Xxxxx Xxxx Name: Xxxxxx Xxxxxxxxxx Xxxxx Xxxx Title: Executive Vice President and Chief Financial Officer By: /s/ Xxxxxxxxxxx X. Lomore Name: Xxxxxxxxxxx X. Lomore Title: Vice President, Treasurer THE BANK OF NOVA SCOTIA, as Administrative Agent, Co-Lead Arranger and Co-Bookrunner By: /s/ Xxxxxx Xxxxxxxx Name: Xxxxxx Xxxxxxxx Title: Director By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Associate Director THE BANK OF NOVA SCOTIA, as Lender By: /s/ Xxxxxx Xxxxxxxxx Name: Xxxxxx Xxxxxxxxx Title: Analyst By: /s/ Xxxx Xxxxxxxx Name: Xxxx Xxxxxxxx Title: Managing Director By: /s/ Xxxxxxx Xxxxxx Name: Xxxxxxx Xxxxxx Title: Associate Director By: /s/ Xxxxxxx Xxxxxxxx Name: Xxxxxxx Xxxxxxxx Title: Associate Director ROYAL BANK OF CANADA, asSyndication Agent, Co Lead Arranger, andCo-Bookrunner By: /s/ Xxxxxxx X. Xxxxx Xxxxxx Name: Xxxxxxx X. Xxxxx Xxxxxx Title: Authorized Signatory ROYAL BANK OF CANADA, as Lender By: /s/ Xxxxxxx X. Xxxxx Xxxxxx Name: Xxxxxxx X. Xxxxx Xxxxxx Title: Authorized Signatory THE BANK OF MONTREAL, as Co-Documentation Agent By: /s/ Xxxxx XxXxxxxx Name: Xxxxx XxXxxxxx Title: Vice President Manging Director By: /s/ Xxxxxx XxXxxxxx Xxxxxx Name: Xxxxxx XxXxxxxx Xxxxxx Title: Associate THE BANK OF MONTREAL, as Lender Analyst By: /s/ Xxxxx XxXxxxxx Name: Xxxxx XxXxxxxx Title: Vice President Managing Director By: /s/ Xxxxxx XxXxxxxx Xxxxxx Name: Xxxxxx XxXxxxxx Xxxxxx Title: Associate NATIONAL BANK OF CANADA, as Co-Documentation Agent By: /s/ Xxxx Xxxxxxxxxx Name: Xxxx Xxxxxxxxxx Title: Authorized Signatory By: /s/ Xxxx Xxxxxxxxxx Name: Xxxx Xxxxxxxxxx Title: Authorized Signatory NATIONAL BANK OF CANADA, as Lender By: /s/ Xxxx Xxxxxxxxxx Name: Xxxx Xxxxxxxxxx Title: Authorized Signatory By: /s/ Xxxx Xxxxxxxxxx Name: Xxxx Xxxxxxxxxx Title: Authorized Signatory THE TORONTO DOMINION BANK, as Lender By: /s/ Xxxxx Manli Name: Xxxxx Manli Title: Vice President By: /s/ Xxxx Xxxxxx Name: Xxxx Xxxxxx Title: Managing Director ALBERTA TREASURY BRANCHES, as Lender By: /s/ Xxx Xxxxx Name: Xxx Xxxxx Title: Director Energy By: /s/ Xxxxxx Xxxxxxx Name: Xxxxxx Xxxxxxx Title: Associate Director Energy Analyst TO: The Bank of Nova Scotia ("“BNS"”), as Administrative Agent for the Lenders, under the Credit Agreement This Certificate is delivered to you pursuant to the Third Amended and Restated Credit Agreement made as of December 19April 27, 2013, 2020 (as amended, restated amended and restated, supplemented, restated, replaced or replaced otherwise modified from time to time (time, the "“Credit Agreement"”) between AltaLink, L.P., AltaLink Management Ltd., BNS, as Administrative Agent, Co-Lead Arranger and Co-Bookrunner, Royal Bank of Canada ("“RBC"”), as Syndication Agent, Co-Lead Arranger and Co-Bookrunner, The Bank of Montreal ("“BMO") and National Bank of Canada ("NBC"”), as Co-Documentation AgentsLead Arranger and Co-Bookrunner, and BNS, RBC, RBC and BMO, NBC, The Toronto-Dominion Bank and Alberta Treasury Branches, as Lenders, and the other Lenders which from time to time become a party thereto. Capitalized terms used in this Certificate and not otherwise defined have the meanings given in the Credit Agreement. The undersigned has read the provisions of the Credit Agreement which are relevant to the furnishing of this Certificate. The undersigned has made such examination and investigation as was, in the opinion of the undersigned, necessary to enable the undersigned to express an informed opinion on the matters set out herein. The undersigned hereby certifies that as of the date hereof:

IN WITNESS OF WHICH. the parties hereto have duly executed this Agreement as of the date set forth on the first page of this Agreement. Agreement ALTALINK MANAGEMENT LTD,. asGeneral INVESTMENT MANAGEMENTLTD., in it's capacity as General Partner of ALTALINKofALTALINK INVESTMENTS, L.P. By: /s/ Xxxxxx Xxxxxxxxxx Nicolas Poplemon Name: Xxxxxx Xxxxxxxxxx Title: Executive Vice President and Chief Financial Officer By: /s/ Xxxxxxxxxxx X. Lomore Name: Xxxxxxxxxxx X. Lomore Title: Vice President, Treasurer ALTALINK MANAGEMENT LTD. By: /s/ Xxxxxx Xxxxxxxxxx Name: Xxxxxx Xxxxxxxxxx Title: Executive Vice President and Chief Financial Officer By: /s/ Xxxxxxxxxxx X. Lomore Name: Xxxxxxxxxxx X. Lomore Title: Vice President, Treasurer THE BANK OF NOVA SCOTIA, as Administrative Agent, Co-Lead Arranger and Co-Bookrunner By: /s/ Xxxxxx Xxxxxxxx Name: Xxxxxx Xxxxxxxx Nicolas Poplemon Title: Director By: /s/ Xxxxxx X. Xxxxxxx Xx Name: Xxxxxx X. Xxxxxxx Xx Title: Associate Director THE BANK OF NOVA SCOTIA, as Lender Vice President ALTALINK INVESTMENT MANAGEMENTLTD. By: /s/ Xxxxxxx Xxxxxx Nicolas Poplemon Name: Xxxxxxx Xxxxxx Nicolas Poplemon Title: Director By: /s/ Xxxxxx X. Xxxxxxx Xxxxxxxx Name: Xxxxxx X. Xxxxxxx Xxxxxxxx Title: Associate Director Vice President ROYAL BANK OF CANADA, asSyndication Agent, Co Lead Arranger, andCo-Bookrunner as Agent By: /s/ Xxxxxx Xxxxxxx X. Xxxxxx Name: Xxxxxx Xxxxxxx X. Xxxxxx Title: Authorized Signatory Manager Agency By: Name: Title: ROYAL BANK OF CANADA, as Lender By: /s/ Xxxxxxx X. Xxxxxx Name: Xxxxxxx X. Xxxxxx Title: Authorized Signatory THE By: Name: Title: BANK OF MONTREAL, as Co-Documentation Agent Lender By: /s/ Xxxx Xxxx Name: Xxxx Xxxx Title: Associate By: /s/ Xxxxx XxXxxxxx Name: Xxxxx XxXxxxxx Title: Vice President By: /s/ Xxxxxx Xxxxxx Name: Xxxxxx Xxxxxx Title: Associate THE BANK OF MONTREALALBERTA TREASURY BRANCHES, as Lender By: /s/ Xxx Xxxxx XxXxxxxx Name: Xxx Xxxxx Title: Director, Energy ATB Financial By: /s/ Xxxxx Pankerichan Name: Xxxxx XxXxxxxx Title: Vice President By: /s/ Xxxxxx Xxxxxx Name: Xxxxxx Xxxxxx Pankerichan Title: Associate Director, Energy ATB Corporate Financial Services NATIONAL BANK OF CANADA, as Co-Documentation Agent Lender By: /s/ Xxxx Xxxxxxxxxx Xxxxxxx Name: Xxxx Xxxxxxxxxx Xxxxxxx Title: Authorized Signatory By: /s/ Xxxx Xxxxxxxxxx Name: Xxxx Xxxxxxxxxx Title: Authorized Signatory NATIONAL BANK OF CANADA, as Lender By: /s/ Xxxx Xxxxxxxxxx Name: Xxxx Xxxxxxxxxx Title: Authorized Signatory By: /s/ Xxxx Xxxxxxxxxx Name: Xxxx Xxxxxxxxxx Title: Authorized Signatory THE TORONTO DOMINION BANK, as Lender By: /s/ Xxxxx Manli Name: Xxxxx Manli Title: Vice President By: /s/ Xxxx Xxxxxx Name: Xxxx Xxxxxx Title: Managing Director ALBERTA TREASURY BRANCHESNOVA SCOTIA, as Lender By: /s/ Xxx Xxxxx Xxxxxxxxx Name: Xxx Xxxxx Xxxxxxxxx Title: Managing Director Energy By: /s/ Xxxxxx Xxxxxxx Xxxxxxxx Name: Xxxxxx Xxxxxxx Xxxxxxxx Title: Associate Director Energy TO: The Royal Bank of Nova Scotia Canada ("BNSRBC"), as Administrative Agent for the Lenders, under the Credit Agreement This Certificate is delivered to you pursuant to the Third Amended amended and Restated Credit Agreement restated credit agreement made as of December 1914, 2013, 2011 (as amended, restated or replaced from time to time (time, the "Credit Agreement") between AltaLinkAltaLink Investments, L.P., AltaLink Investment Management Ltd., BNSLtd. and RBC, as Administrative Agent, Co-Lead Arranger Agent and Co-Bookrunner, Royal Bank of Canada ("RBC"), as Syndication Agent, Co-Lead Arranger and Co-Bookrunner, The Bank of Montreal ("BMO") and National Bank of Canada ("NBC"), as Co-Documentation Agents, and BNS, RBC, BMO, NBC, The Toronto-Dominion Bank and Alberta Treasury Branches, as Lenders, Lender and the other Lenders which from time to time become a party thereto. Capitalized terms used in this Certificate and not otherwise defined have the meanings given in the Credit Agreement. The undersigned has read the provisions of the Credit Agreement which are relevant to the furnishing of this Certificate. The undersigned has made such examination and investigation as was, in the opinion of the undersigned, necessary to enable the undersigned to express an informed opinion on the matters set out herein. The undersigned hereby certifies that as of the date hereof:

IN WITNESS OF WHICH. the parties hereto have duly executed this Agreement as of the date set forth on the first page of this Agreement. ALTALINK MANAGEMENT LTD,. asGeneral Partner ., as general partner of ALTALINK, L.P. By: /s/ Xxxxxx Xxx Xxxxxxxxxx Name: Xxxxxx Xxx Xxxxxxxxxx Title: Executive Vice President and Chief Financial Officer CFO By: /s/ Xxxxxxxxxxx X. Lomore Name: Xxxxxxxxxxx X. Lomore Title: Vice President, Treasurer ALTALINK MANAGEMENT LTD. By: /s/ Xxxxxx Xxx Xxxxxxxxxx Name: Xxxxxx Xxx Xxxxxxxxxx Title: Executive Vice President and Chief Financial Officer CFO By: /s/ Xxxxxxxxxxx X. Lomore Name: Xxxxxxxxxxx X. Lomore Title: Vice President, Treasurer THE BANK By: Name: Title: By: Name: Title: By: Name: Title: By: Name: Title: IN WITNESS OF NOVA SCOTIAWHICH the parties hereto have duly executed this Agreement as of the date set forth on the first page of this Agreement. ALTALINK MANAGEMENT LTD., as Administrative Agentgeneral partner of ALTALINK, Co-Lead Arranger L.P. By: Name: Xxx Xxxxxxxxxx Title: Executive Vice President and Co-Bookrunner CFO By: Name: Xxxxxxxxxxx X. Lomore Title: Vice President, Treasurer By: Name: Xxx Xxxxxxxxxx Title: Executive Vice President and CFO By: Name: Xxxxxxxxxxx X. Lomore Title: Vice President, Treasurer By: /s/ Xxxxxx Xxxxxxxx Name: Xxxxxx Xxxxxxxx Title: Director By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Associate Director THE BANK OF NOVA SCOTIA, as Lender By: /s/ Xxxxxxx Xxxxxx Name: Xxxxxxx Xxxxxx Title: Director By: /s/ Xxxxxxx Xxxxxxxx Name: Xxxxxxx Xxxxxxxx Title: Associate Director ROYAL BANK OF CANADA, asSyndication Agent, Co Lead Arranger, andCo-Bookrunner By: /s/ Xxxxxxx X. Xxxxxx Name: Xxxxxxx X. Xxxxxx Title: Authorized Signatory ROYAL BANK OF CANADA, as Lender By: /s/ Xxxxxxx X. Xxxxxx Name: Xxxxxxx X. Xxxxxx Title: Authorized Signatory THE BANK OF MONTREAL, as Co-Documentation Agent By: /s/ Xxxxx XxXxxxxx Name: Xxxxx XxXxxxxx Title: Vice President By: /s/ Xxxxxx Xxxxxx Name: Xxxxxx Xxxxxx Title: Associate THE BANK OF MONTREAL, as Lender By: /s/ Xxxxx XxXxxxxx Name: Xxxxx XxXxxxxx Title: Vice President By: /s/ Xxxxxx Xxxxxx Name: Xxxxxx Xxxxxx Title: Associate NATIONAL BANK OF CANADA, as Co-Documentation Agent By: /s/ Xxxx Xxxxxxxxxx Name: Xxxx Xxxxxxxxxx Title: Authorized Signatory By: /s/ Xxxx Xxxxxxxxxx Name: Xxxx Xxxxxxxxxx Title: Authorized Signatory NATIONAL BANK OF CANADA, as Lender By: /s/ Xxxx Xxxxxxxxxx Name: Xxxx Xxxxxxxxxx Title: Authorized Signatory By: /s/ Xxxx Xxxxxxxxxx Name: Xxxx Xxxxxxxxxx Title: Authorized Signatory THE TORONTO DOMINION BANK, as Lender By: /s/ Xxxxx Manli Name: Xxxxx Manli Title: Vice President By: /s/ Xxxx Xxxxxx Name: Xxxx Xxxxxx Title: Managing Director ALBERTA TREASURY BRANCHES, as Lender By: /s/ Xxx Xxxxx Name: Xxx Xxxxx Title: Director Energy By: /s/ Xxxxxx Xxxxxxx Name: Xxxxxx Xxxxxxx Title: Associate Director Energy TO: The Bank of Nova Scotia ("BNS"), as Administrative Agent for the Lenders, under the Credit Agreement This Certificate is delivered to you pursuant to the Third Amended and Restated Credit Agreement credit agreement made as of December 19May 10, 20132002, as amended, restated or replaced from time to time (the "Credit Agreement") between AltaLink, L.P., AltaLink Management Ltd., Ltd. and BNS, as Administrative Agent, Co-Lead Arranger Agent and Co-Bookrunner, Royal Bank of Canada ("RBC"), as Syndication Agent, Co-Lead Arranger and Co-Bookrunner, The Bank of Montreal ("BMO") and National Bank of Canada ("NBC"), as Co-Documentation Agents, and BNS, RBC, BMO, NBC, The Toronto-Dominion Bank and Alberta Treasury Branches, as Lenders, Lender and the other Lenders which from time to time become a party thereto. Capitalized terms used in this Certificate and not otherwise defined have the meanings given in the Credit Agreement. The undersigned has read the provisions of the Credit Agreement which are relevant to the furnishing of this Certificate. The undersigned has made such examination and investigation as was, in the opinion of the undersigned, necessary to enable the undersigned to express an informed opinion on the matters set out herein. The undersigned hereby certifies that as of the date hereof:

IN WITNESS OF WHICH. the parties hereto have duly executed this Agreement as of the date set forth on the first page of this Agreement. ALTALINK MANAGEMENT LTD,. asGeneral Partner of ALTALINK, L.P. By: /s/ Xxxxxx Xxxxxxxxxx Xxxx Xxxxxxx Name: Xxxxxx Xxxxxxxxxx Xxxx Xxxxxxx Title: Executive Vice President and Chief Financial Officer By: /s/ Xxxxxxxxxxx X. Lomore Name: Xxxxxxxxxxx X. Lomore Title: Vice President, Treasurer ALTALINK MANAGEMENT LTD. By: /s/ Xxxxxx Xxxxxxxxxx Name: Xxxxxx Xxxxxxxxxx Title: Executive Vice President and Chief Financial Officer By: /s/ Xxxxxxxxxxx X. Lomore Name: Xxxxxxxxxxx X. Lomore Title: Vice President, Treasurer THE BANK OF NOVA SCOTIA, as Administrative Agent, Co-Lead Arranger and Co-Bookrunner By: /s/ Xxxxxx Xxxxxxxx Name: Xxxxxx Xxxxxxxx Title: Director By: /s/ Xxxxxxx Xx Name: Xxxxxxx Xx Title: Associate Director THE BANK OF NOVA SCOTIA, as Lender By: /s/ Xxxxxxx X. Xxxxxx Name: Xxxxxxx X. Xxxxxx Title: Director :Treasurer By: /s/ Xxxx Xxxxxxx Xxxxxxxx Name: Xxxx Xxxxxxx Xxxxxxxx Title: Associate Director ROYAL BANK OF CANADA, asSyndication Agent, Co Lead Arranger, andCo-Bookrunner President By: /s/ Xxxxxxx X. Xxxxxx Name: Xxxxxxx X. Xxxxxx Title: Authorized Signatory ROYAL BANK OF CANADATreasurer LEGAL_1:83363388.10 RBC – AltaLink (AILP) – 2024 Amended and Restated Credit Agreement By: /s/ Xxxxxx Xxxxxxx Name: Xxxxxx Xxxxxxx Title: Manager, as Lender Agency Services By: Name: Title: By: /s/ Xxxxxxx X. Xxxxxx Name: Xxxxxxx X. Xxxxxx Title: Authorized Signatory THE BANK OF MONTREAL, as Co-Documentation Agent By: /s/ Xxxxx XxXxxxxx Name: Xxxxx XxXxxxxx Title: Vice President By: /s/ Xxxxxx Xxxxxx Name: Xxxxxx Xxxxxx Title: Associate THE BANK OF MONTREAL, as Lender By: /s/ Xxxxx XxXxxxxx Name: Xxxxx XxXxxxxx Title: Vice President By: /s/ Xxxxxx Xxxxxx Name: Xxxxxx Xxxxxx Title: Associate NATIONAL BANK OF CANADA, as Co-Documentation Agent By: /s/ Xxxx Xxxxxxxxxx Name: Xxxx Xxxxxxxxxx Title: Authorized Authroized Signatory By: /s/ Xxxx Xxxxxxxxxx Name: Xxxx Xxxxxxxxxx Title: Authorized Signatory NATIONAL BANK OF CANADA, as Lender By: /s/ Xxxx Xxxxxxxxxx Name: Xxxx Xxxxxxxxxx Title: Authorized Signatory By: /s/ Xxxx Xxxxxxxxxx Name: Xxxx Xxxxxxxxxx Title: Authorized Signatory THE TORONTO DOMINION BANK, as Lender By: /s/ Xxxxx Manli Name: Xxxxx Manli Title: Vice President By: /s/ Xxxx Xxxxxx Name: Xxxx Xxxxxx Title: Managing Director ALBERTA TREASURY BRANCHES, as Lender By: /s/ Xxx Xxxxx Name: Xxx Xxxxx Title: Director Energy LEGAL_1:83363388.10 RBC – AltaLink (AILP) – 2024 Amended and Restated Credit Agreement By: /s/ Xxxxxx Xxxxxxx Name: Xxxxxx Xxxxxxx Title: Managing Director By: Name: Title: LEGAL_1:83363388.10 RBC – AltaLink (AILP) – 2024 Amended and Restated Credit Agreement By: /s/ Xxxxxx Xxxxxxx Name: Xxxxxx Xxxxxxx Title: Director - Energy Infrastructure By: /s/ Xxxxx Xxxxx Name: Xxxxx Xxxxx Title: Associate Director Energy LEGAL_1:83363388.10 RBC – AltaLink (AILP) – 2024 Amended and Restated Credit Agreement By: /s/ Xxxxxx Xxxx Name: Xxxxxx Xxxx Title: Associate Director By: /s/ Xxxxx Xxxxxxx Name: Xxxxx Xxxxxxx Title: Associate LEGAL_1:83363388.10 RBC – AltaLink (AILP) – 2024 Amended and Restated Credit Agreement By: /s/ Xxxxx Xxxxxx Name: Xxxxx Xxxxxx Title: Authorized Signatory By: /s/ Xxxxx Xxxxxxx Name: Xxxxx Xxxxxxx Title: Authorized Signatory LEGAL_1:83363388.10 RBC – AltaLink (AILP) – 2024 Amended and Restated Credit Agreement TO: The Royal Bank of Nova Scotia Canada ("BNS"“RBC”), as Administrative Agent for the Lenders, under the Credit Agreement This Certificate is delivered to you pursuant to the Third Amended sixth amended and Restated Credit Agreement restated credit agreement made as of December 19March 22, 2013, 2024 (as amended, restated or replaced from time to time (time, the "“Credit Agreement"”) between AltaLinkAltaLink Investments, L.P., AltaLink Investment Management Ltd., BNSLtd. and RBC, as Administrative Agent, Co-Lead Arranger Agent and Co-Bookrunner, Royal Bank of Canada ("RBC"), as Syndication Agent, Co-Lead Arranger and Co-Bookrunner, The Bank of Montreal ("BMO") and National Bank of Canada ("NBC"), as Co-Documentation Agents, and BNS, RBC, BMO, NBC, The Toronto-Dominion Bank and Alberta Treasury Branches, as Lenders, Xxxxxx and the other Lenders which from time to time become a party thereto. Capitalized terms used in this Certificate and not otherwise defined have the meanings given in the Credit Agreement. The undersigned has read the provisions of the Credit Agreement which are relevant to the furnishing of this Certificate. The undersigned has made such examination and investigation as was, in the opinion of the undersigned, necessary to enable the undersigned to express an informed opinion on the matters set out herein. The undersigned hereby certifies that as of the date hereof:

IN WITNESS OF WHICH. the parties hereto to this Agreement have duly executed this Agreement as of the date set forth day and year indicated on the first page of this Agreement. ALTALINK MANAGEMENT LTD,Address: 000 Xxxxxxxxxxxxx Xxxx. asGeneral Partner of ALTALINKXxxxxxx, L.P. ByXxxxxxx X0X 0X0 Attention: /s/ Xxxxxx Xxxxxxxxxx Name: Xxxxxx Xxxxxxxxxx Title: Executive Vice President and Chief Financial Officer By: /s/ Xxxxxxxxxxx X. Lomore Name: Xxxxxxxxxxx X. Lomore Title: Vice Senior Vice-President, Treasurer ALTALINK MANAGEMENT LTDGeneral Counsel and Corporate Secretary Facsimile: (000) 000-0000 MDS INC. By: /s/ Xxxxxx Xxxxxxxxxx Xxxxx X. Xxxxxxx Name: Xxxxx X. Xxxxxxx Title: Vice-President, Finance & Controller Address: 000 Xxx Xxxxxx, 0xx Xxxxx XXX Xxxxx Xxxxxxx, Xxxxxxx X0X 0X0 Attention: Agency Officer Facsimile: (000) 000-0000 CANADIAN IMPERIAL BANK OF COMMERCE (in its capacity as Administrative Agent for the Lenders) By: /s/ Xxx Xxxxxx Xxxxxxxxxx Name: Xxx Xxxxxx Title: Executive Vice President and Chief Financial Officer Director By: /s/ Xxxxxxxxxxx X. Lomore Marc St-Onge Name: Xxxxxxxxxxx X. Lomore Marc St-Onge Title: Vice PresidentExecutive Director Address: 000 Xxx Xxxxxx, Treasurer 0xx Xxxxx XXX Xxxxx Xxxxxxx, Xxxxxxx X0X 0X0 Attention: Director Facsimile: (000) 000-0000 CANADIAN IMPERIAL BANK OF COMMERCE (in its capacity as a Lender) By: /s/ Xxx Xxxxxx Name: Xxx Xxxxxx Title: Executive Director By: /s/ Marc St-Onge Name: Marc St-Onge Title: Executive Director Address: Scotia Plaza 00 Xxxx Xxxxxx Xxxx 00xx Xxxxx Xxxxxxx, Xxxxxxx X0X 0X00 Attention: Director, Scotia Capital Corporate Banking - Consumer Products Facsimile: (000) 000-0000 THE BANK OF NOVA SCOTIA, as Administrative Agent, Co-Lead Arranger and Co-Bookrunner SCOTIA By: /s/ Xxxxxx Xxxxxxxx Xxxxx Xxxx Name: Xxxxxx Xxxxxxxx Xxxxx Xxxx Title: DIRECTOR Address: 0xx Xxxxx, Xxxxx Xxxxx Xxxxx Xxxx Xxxxx 000 Xxx Xxxxxx Xxxxxxx, Xxxxxxx X0X 0X0 Attention: Managing Director Facsimile: (000) 000-0000 ROYAL BANK OF CANADA By: /s/ Xxxx Xxxx Name: Xxxx Xxxx Title: Attorney-in-fact Address: 000 Xxx Xxxxxx, Xxxxx Bank Plaza South Tower, Suite 1800 Xxxxxxx, Xxxxxxx X0X 0X0 Attention: Xxxxxx Xxxxx Facsimile: (000) 000-0000 JPMORGAN CHASE BANK, N.A., TORONTO BRANCH By: /s/ Xxxxxxx Xx Xxxxx Name: Xxxxxxx Xx Title: Associate Director THE BANK OF NOVA SCOTIA, as Lender By: /s/ Xxxxxxx Xxxxxx Name: Xxxxxxx Xxxxxx Title: Director By: /s/ Xxxxxxx Xxxxxxxx Name: Xxxxxxx Xxxxxxxx Title: Associate Director ROYAL BANK OF CANADA, asSyndication Agent, Co Lead Arranger, andCo-Bookrunner By: /s/ Xxxxxxx X. Xxxxxx Name: Xxxxxxx X. Xxxxxx Title: Authorized Signatory ROYAL BANK OF CANADA, as Lender By: /s/ Xxxxxxx X. Xxxxxx Name: Xxxxxxx X. Xxxxxx Title: Authorized Signatory THE BANK OF MONTREAL, as Co-Documentation Agent By: /s/ Xxxxx XxXxxxxx Name: Xxxxx XxXxxxxx Title: Vice President By: /s/ Xxxxxx Xxxxxx Name: Xxxxxx Xxxxxx Title: Associate THE BANK OF MONTREAL, as Lender By: /s/ Xxxxx XxXxxxxx Name: Xxxxx XxXxxxxx Title: Vice President By: /s/ Xxxxxx Xxxxxx Name: Xxxxxx Xxxxxx Title: Associate NATIONAL BANK OF CANADA, as Co-Documentation Agent By: /s/ Xxxx Xxxxxxxxxx Name: Xxxx Xxxxxxxxxx Title: Authorized Signatory By: /s/ Xxxx Xxxxxxxxxx Name: Xxxx Xxxxxxxxxx Title: Authorized Signatory NATIONAL BANK OF CANADA, as Lender By: /s/ Xxxx Xxxxxxxxxx Name: Xxxx Xxxxxxxxxx Title: Authorized Signatory By: /s/ Xxxx Xxxxxxxxxx Name: Xxxx Xxxxxxxxxx Title: Authorized Signatory THE TORONTO DOMINION BANK, as Lender By: /s/ Xxxxx Manli Name: Xxxxx Manli Title: Vice President By: /s/ Xxxx Xxxxxx Name: Xxxx Xxxxxx Title: Managing Director ALBERTA TREASURY BRANCHES, as Lender By: /s/ Xxx Xxxxx Name: Xxx Xxxxx Title: Director Energy Vice-President Address: Xxxxx Xxxx Xxxxx, Xxxxx Xxxxx Xxxxx 0000 Xxxxxxx, Xxxxxxx X0X 0X0 Attention: Facsimile: (000) 000-0000 BANK OF TOKYO - MITSUBISHI (CANADA) By: /s/ Xxxxxx Xxxxxxx Name: Xxxxxx Xxxxxxx Title: Associate Senior Vice-President By: /s/ Xxxx Xxxxxxxx Name: Xxxx Xxxxxxxx Title: Senior Credit Analyst Address: 00 Xxxx Xxxxxx, 0xx Xxxxx Xxxxxxx, Xxxxxxx X0X 0X0 Attention: HSBC BANK CANADA By: /s/ Xxxx X Xxxx Name: Xxxx X Xxxx Title: Managing Director Energy TOFacsimile: (000) 000-0000 By: Name: Title: Address: Xxxxx 0000 000 Xxxxx Xxxxxx Xxxx Xxxxxxx, Xxxxxxx X0X 0X0 Attention: Xxxxxx Xxx, Vice President Facsimile: (000) 000-0000 BANK OF AMERICA NATIONAL ASSOCIATION, CANADA BRANCH By: /s/ Xxxxxx Xxx Name: Xxxxxx Xxx Title: Vice President With a copy to: Bank of America, N.A. Xxx Xxxx Xxxxxx Xxxxxxxxx, Xxx Xxxx 00000 X0X 0X0 Attention: Xxxxxxx X. X'Xxxxx Facsimile: (000) 000-0000 Address: 00 Xxxx Xxxxxx Xxxx Xxxxx 0000 X.X. Xxx 00 Royal Trust Tower, TD Centre Xxxxxxx, Xxxxxxx X0X 0X0 Attention: Vice-President BNP PARIBAS (CANADA) By: /s/ Xxxxx Xxxxxxxxx Name: Xxxxx Xxxxxxxxx Title: Vice President Corporate Banking Facsimile: (000) 000-0000 By: /s/ Xxx X. Xxx Name: Xxx X. Xxx Title: Managing Director Corporate Banking Address: TD Bank Tower 00 Xxxxxxxxxx Xxxxxx Xxxx 0xx Xxxxx Xxxxxxx, Xxxxxxx X0X 0X0 Attention: Vice President and Director THE TORONTO-DOMINION BANK By: /s/ Rohan Appadural Name: Rohan Appadural Title: Vice-President & Director Facsimile: (000) 000-0000 By: Name: Title: With a copy to: XxXxxxxx Xxxxxxxx LLP in the case of a notice to any Lender at the following address: Xxxxx 0000 Xxxxxxx Dominion Xxxx Xxxxx Xxxxxxx-Xxxxxxxx Xxxxxx Xxxxxxx, Xxxxxxx X0X 0X0 Attention: Xxxx Xxxxxx Facsimile: (000) 000-0000 SCHEDULE 1 Revolving Commitments Canadian Imperial Bank of Commerce Cdn. [-----] The Bank of Nova Scotia ("BNS"), as Administrative Agent for the Lenders, under the Credit Agreement This Certificate is delivered to you pursuant to the Third Amended and Restated Credit Agreement made as of December 19, 2013, as amended, restated or replaced from time to time (the "Credit Agreement") between AltaLink, L.P., AltaLink Management Ltd., BNS, as Administrative Agent, Co-Lead Arranger and Co-Bookrunner, Cdn. [-----] Royal Bank of Canada ("RBC"), as Syndication Agent, Co-Lead Arranger and Co-Bookrunner, The Cdn. [-----] Bank of Montreal ("BMO") and America, National Association, Canada Branch Cdn. [-----] JPMorgan Chase Bank, N.A., Toronto Branch Cdn. [-----] Bank of Tokyo - Mitsubishi (Canada) Cdn. [-----] HSBC Bank Canada Cdn. [-----] BNP Paribas ("NBC"), as Co-Documentation Agents, and BNS, RBC, BMO, NBC, Canada) Cdn. [-----] The Toronto-Dominion Bank and Alberta Treasury BranchesCdn. [-----] SCHEDULE 2 Lenders Canadian Imperial Bank of Commerce The Bank of Nova Scotia Royal Bank of Canada JPMorgan Chase Bank, as LendersN.A., and the other Lenders which from time to time become a party thereto. Capitalized terms used in this Certificate and not otherwise defined have the meanings given in the Credit Agreement. Toronto Branch Bank of Tokyo - Mitsubishi (Canada) HSBC Bank Canada Bank of America, National Association, Canada Branch BNP Paribas (Canada) The undersigned has read the provisions of the Credit Agreement which are relevant to the furnishing of this Certificate. The undersigned has made such examination and investigation as was, in the opinion of the undersigned, necessary to enable the undersigned to express an informed opinion on the matters set out herein. The undersigned hereby certifies that as of the date hereof:Toronto-Dominion Bank SCHEDULE 3 Guaranteeing Subsidiaries MDS (Canada) Inc. MDS (US) Inc. MDS Pharma Services (US) Inc. SCHEDULE 4 Permitted Liens