Common use of The Increased Revolving Commitment Closing Date is ______ Clause in Contracts

The Increased Revolving Commitment Closing Date is ______. The Borrower hereby represents and warrants that (i) each of the representations and warranties (other than representations and warranties contained in Sections 4.2 and 4.6 of the Credit Agreement) made by the Borrower in or pursuant to the Loan Documents shall be true and correct in all material respects on and as of the Increased Revolving Commitment Closing Date as if made on and as of such date, except to the extent any such representation or warranty is stated to relate solely to an earlier date, in which case such representation or warranty shall have been true and correct in all material respects as of such earlier date, (ii) no Default or Event of Default has occurred and is continuing as of the date hereof and no Default or Event of Default will exist after giving effect to the increase specified herein, (iii) the resolutions of the board of directors of the Borrower delivered on the Closing Date authorize the increase specified herein (and such resolutions have not been revoked or amended in any respect and are in full force and effect), and (iv) the Borrower has received all necessary Governmental Authority authorizations, approvals or consents, if any, required with respect to the increase specified herein (and such authorizations, approvals and consents are in full force and effect), except where the failure to have received or obtained any such authorization, approval or consent could not reasonably be expected to have a Material Adverse Effect. NORTHERN STATES POWER COMPANY, a Minnesota corporation By: Name: Title: Increased Revolving Commitment Amount [NAME OF LENDER] $ By: Name: Title: FORM OF EXTENSION REQUEST4 JPMorgan Chase Bank, N.A., as Administrative Agent Reference is made to the Credit Agreement, dated as of March 17, 2011 (as amended, supplemented or otherwise modified from time to time, the “Credit Agreement”), among Northern States Power Company, a Minnesota corporation (the “Borrower”), the Lenders party thereto, the Documentation Agent and Syndication Agents named therein and JPMorgan Chase Bank, N.A., as administrative agent for the Lenders (in such capacity, the “Administrative Agent”). Unless otherwise defined herein, terms defined in the Credit Agreement and used herein shall have the meanings given to them in the Credit Agreement. Pursuant to Section 2.17(a) of the Credit Agreement, the Borrower hereby requests that the Lenders extend the Revolving Termination Date now in effect by a period of one year, to March [__], 20__. Very truly yours, NORTHERN STATES POWER COMPANY, a Minnesota corporation By Name: Title: 1 Extension Request may be given no earlier than the first anniversary of the Closing Date and no later than 45 days prior to the then applicable Revolving Termination Date. FORM OF CONTINUATION NOTICE5 JPMorgan Chase Bank, N.A., as Administrative Agent Reference is made to the Credit Agreement, dated as of March 17, 2011 (as amended, supplemented or otherwise modified from time to time, the “Credit Agreement”), among Northern States Power Company, a Minnesota corporation (the “Borrower”), the Lenders party thereto, the Documentation Agent and Syndication Agents named therein and JPMorgan Chase Bank, N.A., as administrative agent for the Lenders (in such capacity, the “Administrative Agent”). Unless otherwise defined herein, terms defined in the Credit Agreement and used herein shall have the meanings given to them in the Credit Agreement. The undersigned Lender is delivering this Continuation Notice in response to the Extension Request dated ____________, 20__. Pursuant to Section 2.17(a) of the Credit Agreement, the undersigned Lender hereby consents, in its sole discretion, to the extension of the Revolving Termination Date to March [__], 20__, as requested by the Borrower in the Extension Request. Very truly yours, [NAME OF LENDER] By Name: Title:

The Increased Revolving Commitment Closing Date is ______. The Borrower hereby represents and warrants that (i) each of the representations and warranties (other than representations and warranties contained in Sections 4.2 and 4.6 of the Credit Agreement) made by the Borrower in or pursuant to the Loan Documents shall be true and correct in all material respects on and as of the Increased Revolving Commitment Closing Date as if made on and as of such date, except to the extent any such representation or warranty is stated to relate solely to an earlier date, in which case such representation or warranty shall have been true and correct in all material respects as of such earlier date, (ii) no Default or Event of Default has occurred and is continuing as of the date hereof and no Default or Event of Default will exist after giving effect to the increase specified herein, (iii) the resolutions of the board of directors of the Borrower delivered on the Closing Date authorize the increase specified herein (and such resolutions have not been revoked or amended in any respect and are in full force and effect), and (iv) the Borrower has received all necessary Governmental Authority authorizations, approvals or consents, if any, required with respect to the increase specified herein (and such authorizations, approvals and consents are in full force and effect), except where the failure to have received or obtained any such authorization, approval or consent could not reasonably be expected to have a Material Adverse Effect. NORTHERN STATES POWER COMPANY, a Minnesota corporation XCEL ENERGY INC. By: Name: Title: Increased Revolving Commitment Amount [NAME OF LENDER] $ By: Name: Title: FORM OF EXTENSION REQUEST4 REQUEST1 JPMorgan Chase Bank, N.A., as Administrative Agent Reference is made to the Credit Agreement, dated as of March 17, 2011 (as amended, supplemented or otherwise modified from time to time, the “Credit Agreement”), among Northern States Power Company, a Minnesota corporation Xcel Energy Inc. (the “Borrower”), the Lenders party thereto, the Documentation Agent and Syndication Agents named therein and JPMorgan Chase Bank, N.A., as administrative agent for the Lenders (in such capacity, the “Administrative Agent”). Unless otherwise defined herein, terms defined in the Credit Agreement and used herein shall have the meanings given to them in the Credit Agreement. Pursuant to Section 2.17(a) of the Credit Agreement, the Borrower hereby requests that the Lenders extend the Revolving Termination Date now in effect by a period of one year, to March [__], 20__. Very truly yours, NORTHERN STATES POWER COMPANY, a Minnesota corporation By Name: Title: 1 Extension Request may be given no earlier than the first anniversary of the Closing Date and no later than 45 days prior to the then applicable Revolving Termination DateXCEL ENERGY INC. FORM OF CONTINUATION NOTICE5 JPMorgan Chase Bank, N.A., as Administrative Agent Reference is made to the Credit Agreement, dated as of March 17, 2011 (as amended, supplemented or otherwise modified from time to time, the “Credit Agreement”), among Northern States Power Company, a Minnesota corporation (the “Borrower”), the Lenders party thereto, the Documentation Agent and Syndication Agents named therein and JPMorgan Chase Bank, N.A., as administrative agent for the Lenders (in such capacity, the “Administrative Agent”). Unless otherwise defined herein, terms defined in the Credit Agreement and used herein shall have the meanings given to them in the Credit Agreement. The undersigned Lender is delivering this Continuation Notice in response to the Extension Request dated ____________, 20__. Pursuant to Section 2.17(a) of the Credit Agreement, the undersigned Lender hereby consents, in its sole discretion, to the extension of the Revolving Termination Date to March [__], 20__, as requested by the Borrower in the Extension Request. Very truly yours, [NAME OF LENDER] By Name: Title:

The Increased Revolving Commitment Closing Date is ______. The Borrower hereby represents and warrants that (i) each of the representations and warranties (other than representations and warranties contained in Sections 4.2 and 4.6 of the Amended and Restated Credit Agreement) made by the Borrower in or pursuant to the Loan Documents shall be true and correct in all material respects on and as of the Increased Revolving Commitment Closing Date as if made on and as of such date, except to the extent any such representation or warranty is stated to relate solely to an earlier date, in which case such representation or warranty shall have been true and correct in all material respects as of such earlier date, (ii) no Default or Event of Default has occurred and is continuing as of the date hereof and no Default or Event of Default will exist after giving effect to the increase specified herein, (iii) the resolutions of the board of directors of the Borrower delivered on the Closing Restatement Effective Date authorize the increase specified herein (and such resolutions have not been revoked or amended in any respect and are in full force and effect), and (iv) the Borrower has received all necessary Governmental Authority authorizations, approvals or consents, if any, required with respect to the increase specified herein (and such authorizations, approvals and consents are in full force and effect), except where the failure to have received or NEWYORK 9337878 obtained any such authorization, approval or consent could not reasonably be expected to have a Material Adverse Effect. NORTHERN STATES POWER COMPANY, a Minnesota corporation PUBLIC SERVICE COMPANY OF COLORADO By: ______________________________ Name: Title: Increased Revolving Commitment Amount [NAME OF LENDER] $ By: ______________________________ Name: Title: FORM OF EXTENSION REQUEST4 NEWYORK 9337878 JPMorgan Chase Bank, N.A., as Administrative Agent Reference is made to the Amended and Restated Credit Agreement, dated as of March 17October 14, 2011 2014 (as amended, supplemented or otherwise modified from time to time, the “Amended and Restated Credit Agreement”), among Northern States Power CompanyPublic Service Company of Colorado, a Minnesota Colorado corporation (the “Borrower”), the Lenders party thereto, the Documentation Agent and Syndication Agents named therein and JPMorgan Chase Bank, N.A., as administrative agent for the Lenders (in such capacity, the “Administrative Agent”). Unless otherwise defined herein, terms defined in the Amended and Restated Credit Agreement and used herein shall have the meanings given to them in the Amended and Restated Credit Agreement. Pursuant to Section 2.17(a) of the Amended and Restated Credit Agreement, the Borrower hereby requests that the Lenders extend the Revolving Termination Date now in effect by a period of one year, to March [_______], 20__. Very truly yours, NORTHERN STATES POWER COMPANY, a Minnesota corporation By PUBLIC SERVICE COMPANY OF COLORADO By: ________________________ Name: Title: 1 Extension Request may be given no earlier than the first anniversary of the Closing Restatement Effective Date and amd no later than 45 days prior to the then applicable Revolving Termination Date. NEWYORK 9337878 FORM OF CONTINUATION NOTICE5 NOTICE1 JPMorgan Chase Bank, N.A., as Administrative Agent Reference is made to the Amended and Restated Credit Agreement, dated as of March 17October 14, 2011 2014 (as amended, supplemented or otherwise modified from time to time, the “Amended and Restated Credit Agreement”), among Northern States Power CompanyPublic Service Company of Colorado, a Minnesota Colorado corporation (the “Borrower”), the Lenders party thereto, the Documentation Agent and Syndication Agents named therein and JPMorgan Chase Bank, N.A., as administrative agent for the Lenders (in such capacity, the “Administrative Agent”). Unless otherwise defined herein, terms defined in the Amended and Restated Credit Agreement and used herein shall have the meanings given to them in the Amended and Restated Credit Agreement. The undersigned Lender is delivering this Continuation Notice in response to the Extension Request dated _________dated___, 20______. Pursuant to Section 2.17(a) of the Amended and Restated Credit Agreement, the undersigned Lender hereby consents, in its sole discretion, to the extension of the Revolving Termination Date to March [______], 20__, as requested by the Borrower in the Extension Request. Very truly yours, [NAME OF LENDER] By By: ________________________ Name: Title:

The Increased Revolving Commitment Closing Date is ______. The Borrower hereby represents and warrants that (i) each of the representations and warranties (other than representations and warranties contained in Sections 4.2 and 4.6 of the Second Amended and Restated Credit Agreement) made by the Borrower in or pursuant to the Loan Documents shall be true and correct in all material respects on and as of the Increased Revolving Commitment Closing Date as if made on and as of such date, except to the extent any such representation or warranty is stated to relate solely to an earlier date, in which case such representation or warranty shall have been true and correct in all material respects as of such earlier date, (ii) no Default or Event of Default has occurred and is continuing as of the date hereof and no Default or Event of Default will exist after giving effect to the increase specified herein, (iii) the resolutions of the board of directors of the Borrower delivered on the Closing Restatement Effective Date authorize the increase specified herein (and such resolutions have not been revoked or amended in any respect and are in full force and effect), and (iv) the Borrower has received all necessary Governmental Authority authorizations, approvals or consents, if any, required with respect to the increase specified herein (and such AMERICAS 91292599 authorizations, approvals and consents are in full force and effect), except where the failure to have received or obtained any such authorization, approval or consent could not reasonably be expected to have a Material Adverse Effect. NORTHERN STATES POWER COMPANY, a Minnesota corporation PUBLIC SERVICE COMPANY OF COLORADO By: Name: Title: Increased Revolving Commitment Amount [NAME OF LENDER] $ By: Name: Title: AMERICAS 91292599 FORM OF EXTENSION REQUEST4 REQUEST1 JPMorgan Chase Bank, N.A., as Administrative Agent Reference is made to the Second Amended and Restated Credit Agreement, dated as of March 17June 20, 2011 2016 (as amended, supplemented or otherwise modified from time to time, the “Second Amended and Restated Credit Agreement”), among Northern States Power CompanyPublic Service Company of Colorado, a Minnesota Colorado corporation (the “Borrower”), the Lenders party thereto, the Documentation Agent Agents and Syndication Agents named therein and JPMorgan Chase Bank, N.A., as administrative agent for the Lenders (in such capacity, the “Administrative Agent”). Unless otherwise defined herein, terms defined in the Second Amended and Restated Credit Agreement and used herein shall have the meanings given to them in the Second Amended and Restated Credit Agreement. Pursuant to Section 2.17(a) of the Credit Agreement, the Borrower hereby requests that the Lenders extend the Revolving Termination Date now in effect by a period of one year, to March [__], 20__. Very truly yours, NORTHERN STATES POWER COMPANY, a Minnesota corporation By Name: Title: 1 Extension Request may be given no earlier than the first anniversary of the Closing Date and no later than 45 days prior to the then applicable Revolving Termination Date. FORM OF CONTINUATION NOTICE5 JPMorgan Chase Bank, N.A., as Administrative Agent Reference is made to the Credit Agreement, dated as of March 17, 2011 (as amended, supplemented or otherwise modified from time to time, the “Credit Agreement”), among Northern States Power Company, a Minnesota corporation (the “Borrower”), the Lenders party thereto, the Documentation Agent and Syndication Agents named therein and JPMorgan Chase Bank, N.A., as administrative agent for the Lenders (in such capacity, the “Administrative Agent”). Unless otherwise defined herein, terms defined in the Credit Agreement and used herein shall have the meanings given to them in the Credit Agreement. The undersigned Lender is delivering this Continuation Notice in response to the Extension Request dated ____________, 20__. Pursuant to Section 2.17(a) of the Credit Agreement, the undersigned Lender hereby consents, in its sole discretion, to the extension of the Revolving Termination Date to March [__], 20__, as requested by the Borrower in the Extension Request. Very truly yours, [NAME OF LENDER] By Name: Title:.

The Increased Revolving Commitment Closing Date is ______. The Borrower hereby represents and warrants that (i) each of the representations and warranties (other than representations and warranties contained in Sections 4.2 and 4.6 of the Amended and Restated Credit Agreement) made by the Borrower in or pursuant to the Loan Documents shall be true and correct in all material respects on and as of the Increased Revolving Commitment Closing Date as if made on and as of such date, except to the extent any such representation or warranty is stated to relate solely to an earlier date, in which case such representation or warranty shall have been true and correct in all material respects as of such earlier date, (ii) no Default or Event of Default has occurred and is continuing as of the date hereof and no Default or Event of Default will exist after giving effect to the increase specified herein, (iii) the resolutions of the board of directors of the Borrower delivered on the Closing Restatement Effective Date authorize the increase specified herein (and such resolutions have not been revoked or amended in any respect and are in full force and effect), and (iv) the Borrower has received all necessary Governmental Authority authorizations, approvals or consents, if any, required with respect to the increase specified herein (and such authorizations, approvals and consents are in full force and effect), except where the failure to have received or NEWYORK 9337361 obtained any such authorization, approval or consent could not reasonably be expected to have a Material Adverse Effect. NORTHERN STATES POWER COMPANY, a Minnesota corporation SOUTHWESTERN PUBLIC SERVICE COMPANY By: ________________________ Name: Title: Increased Revolving Commitment Amount [NAME OF LENDER] $ By: ________________________ Name: Title: NEWYORK 9337361 FORM OF EXTENSION REQUEST4 REQUEST1 JPMorgan Chase Bank, N.A., as Administrative Agent Reference is made to the Amended and Restated Credit Agreement, dated as of March 17October 14, 2011 2014 (as amended, supplemented or otherwise modified from time to time, the “Amended and Restated Credit Agreement”), among Northern States Power Southwestern Public Service Company, a Minnesota New Mexico corporation (the “Borrower”), the Lenders party thereto, the Documentation Agent and Syndication Agents named therein and JPMorgan Chase Bank, N.A., as administrative agent for the Lenders (in such capacity, the “Administrative Agent”). Unless otherwise defined herein, terms defined in the Amended and Restated Credit Agreement and used herein shall have the meanings given to them in the Amended and Restated Credit Agreement. Pursuant to Section 2.17(a) of the Amended and Restated Credit Agreement, the Borrower hereby requests that the Lenders extend the Revolving Termination Date now in effect by a period of one year, to March [______], 20__. Very truly yours, NORTHERN STATES POWER COMPANY, a Minnesota corporation By SOUTHWESTERN PUBLIC SERVICE COMPANY By: ________________________ Name: Title: 1 Extension Request may be given no earlier than the first anniversary of the Closing Restatement Effective Date and no later than 45 days prior to the then applicable Revolving Termination Date. NEWYORK 9337361 FORM OF CONTINUATION NOTICE5 NOTICE1 JPMorgan Chase Bank, N.A., as Administrative Agent Reference is made to the Amended and Restated Credit Agreement, dated as of March 17October 14, 2011 2014 (as amended, supplemented or otherwise modified from time to time, the “Amended and Restated Credit Agreement”), among Northern States Power Southwestern Public Service Company, a Minnesota New Mexico corporation (the “Borrower”), the Lenders party thereto, the Documentation Agent and Syndication Agents named therein and JPMorgan Chase Bank, N.A., as administrative agent for the Lenders (in such capacity, the “Administrative Agent”). Unless otherwise defined herein, terms defined in the Amended and Restated Credit Agreement and used herein shall have the meanings given to them in the Amended and Restated Credit Agreement. The undersigned Lender is delivering this Continuation Notice in response to the Extension Request dated ____________, 20__. Pursuant to Section 2.17(a) of the Amended and Restated Credit Agreement, the undersigned Lender hereby consents, in its sole discretion, to the extension of the Revolving Termination Date to March [_____], 20__, _ as requested by the Borrower in the Extension Request. Very truly yours, [NAME OF LENDER] By By: ________________________ Name: Title:

The Increased Revolving Commitment Closing Date is ______. The Borrower hereby represents and warrants that (i) each of the representations and warranties (other than representations and warranties contained in Sections 4.2 and 4.6 of the Amended and Restated Credit Agreement) made by the Borrower in or pursuant to the Loan Documents shall be true and correct in all material respects on and as of the Increased Revolving Commitment Closing Date as if made on and as of such date, except to the extent any such representation or warranty is stated to relate solely to an earlier date, in which case such representation or warranty shall have been true and correct in all material respects as of such earlier date, (ii) no Default or Event of Default has occurred and is continuing as of the date hereof and no Default or Event of Default will exist after giving effect to the increase specified herein, (iii) the resolutions of the board of directors of the Borrower delivered on the Closing Restatement Effective Date authorize the increase specified herein (and such resolutions have not been revoked or amended in any respect and are in full force and effect), and (iv) the Borrower has received all necessary Governmental Authority authorizations, approvals or consents, if any, required with respect to the increase specified herein (and such authorizations, approvals and consents are in full force and effect), except where the failure to have received or obtained any such authorization, approval or consent could not reasonably be expected to have a Material Adverse Effect. NORTHERN STATES POWER COMPANY, a Minnesota corporation By: Name: Title: Increased Revolving Commitment Amount [NAME OF LENDER] $ By: Name: Title: FORM OF EXTENSION REQUEST4 REQUST1 JPMorgan Chase Bank, N.A., as Administrative Agent Reference is made to the Amended and Restated Credit Agreement, dated as of March 17July 27, 2011 2012 (as amended, supplemented or otherwise modified from time to time, the “Amended and Restated Credit Agreement”), among Northern States Power Company, a Minnesota corporation Public Service Company of Colorado (the “Borrower”), the Lenders party thereto, the Documentation Agent and Syndication Agents named therein and JPMorgan Chase Bank, N.A., as administrative agent for the Lenders (in such capacity, the “Administrative Agent”). Unless otherwise defined herein, terms defined in the Amended and Restated Credit Agreement and used herein shall have the meanings given to them in the Amended and Restated Credit Agreement. Pursuant to Section 2.17(a) of the Amended and Restated Credit Agreement, the Borrower hereby requests that the Lenders extend the Revolving Termination Date now in effect by a period of one year, to March [_______], 20__. Very truly yours, NORTHERN STATES POWER COMPANY, a Minnesota corporation By PUBLIC SERVICE COMPANY OF COLORADO By: Name: Title: 1 Extension Request may be given no earlier than the first anniversary of the Closing Restatement Effective Date and no later than 45 days prior to the then applicable Revolving Termination Date. FORM OF CONTINUATION NOTICE5 NOTICE1 JPMorgan Chase Bank, N.A., as Administrative Agent Reference is made to the Amended and Restated Credit Agreement, dated as of March 17July 27, 2011 2012 (as amended, supplemented or otherwise modified from time to time, the “Amended and Restated Credit Agreement”), among Northern States Power Company, a Minnesota corporation Public Service Company of Colorado (the “Borrower”), the Lenders party thereto, the Documentation Agent and Syndication Agents named therein and JPMorgan Chase Bank, N.A., as administrative agent for the Lenders (in such capacity, the “Administrative Agent”). Unless otherwise defined herein, terms defined in the Amended and Restated Credit Agreement and used herein shall have the meanings given to them in the Amended and Restated Credit Agreement. The undersigned Lender is delivering this Continuation Notice in response to the Extension Request dated _________dated___, 20______. Pursuant to Section 2.17(a) of the Amended and Restated Credit Agreement, the undersigned Lender hereby consents, in its sole discretion, to the extension of the Revolving Termination Date to March [______], 20__, as requested by the Borrower in the Extension Request. Very truly yours, [NAME OF LENDER] By By: Name: Title:

The Increased Revolving Commitment Closing Date is ______. The Borrower hereby represents and warrants that (i) each of the representations and warranties (other than representations and warranties contained in Sections 4.2 and 4.6 of the Second Amended and Restated Credit Agreement) made by the Borrower in or pursuant to the Loan Documents shall be true and correct in all material respects on and as of the Increased Revolving Commitment Closing Date as if made on and as of such date, except to the extent any such representation or warranty is stated to relate solely to an earlier date, in which case such representation or warranty shall have been true and correct in all material respects as of such earlier date, (ii) no Default or Event of Default has occurred and is continuing as of the date hereof and no Default or Event of Default will exist after giving effect to the increase specified herein, (iii) the resolutions of the board of directors of the Borrower delivered on the Closing Restatement Effective Date authorize the increase specified herein (and such resolutions have not been revoked or amended in any respect and are in full force and effect), and (iv) the Borrower has received all necessary Governmental Authority authorizations, approvals or consents, if any, required with respect to the increase specified herein (and such AMERICAS 91292576 authorizations, approvals and consents are in full force and effect), except where the failure to have received or obtained any such authorization, approval or consent could not reasonably be expected to have a Material Adverse Effect. NORTHERN STATES POWER COMPANY, a Minnesota corporation SOUTHWESTERN PUBLIC SERVICE COMPANY By: Name: Title: Increased Revolving Commitment Amount [NAME OF LENDER] $ By: Name: Title: AMERICAS 91292576 FORM OF EXTENSION REQUEST4 REQUEST1 JPMorgan Chase Bank, N.A., as Administrative Agent Reference is made to the Second Amended and Restated Credit Agreement, dated as of March 17June 20, 2011 2016 (as amended, supplemented or otherwise modified from time to time, the “Second Amended and Restated Credit Agreement”), among Northern States Power Southwestern Public Service Company, a Minnesota New Mexico corporation (the “Borrower”), the Lenders party thereto, the Documentation Agent Agents and Syndication Agents named therein and JPMorgan Chase Bank, N.A., as administrative agent for the Lenders (in such capacity, the “Administrative Agent”). Unless otherwise defined herein, terms defined in the Second Amended and Restated Credit Agreement and used herein shall have the meanings given to them in the Second Amended and Restated Credit Agreement. Pursuant to Section 2.17(a) of the Credit Agreement, the Borrower hereby requests that the Lenders extend the Revolving Termination Date now in effect by a period of one year, to March [__], 20__. Very truly yours, NORTHERN STATES POWER COMPANY, a Minnesota corporation By Name: Title: 1 Extension Request may be given no earlier than the first anniversary of the Closing Date and no later than 45 days prior to the then applicable Revolving Termination Date. FORM OF CONTINUATION NOTICE5 JPMorgan Chase Bank, N.A., as Administrative Agent Reference is made to the Credit Agreement, dated as of March 17, 2011 (as amended, supplemented or otherwise modified from time to time, the “Credit Agreement”), among Northern States Power Company, a Minnesota corporation (the “Borrower”), the Lenders party thereto, the Documentation Agent and Syndication Agents named therein and JPMorgan Chase Bank, N.A., as administrative agent for the Lenders (in such capacity, the “Administrative Agent”). Unless otherwise defined herein, terms defined in the Credit Agreement and used herein shall have the meanings given to them in the Credit Agreement. The undersigned Lender is delivering this Continuation Notice in response to the Extension Request dated ____________, 20__. Pursuant to Section 2.17(a) of the Credit Agreement, the undersigned Lender hereby consents, in its sole discretion, to the extension of the Revolving Termination Date to March [__], 20__, as requested by the Borrower in the Extension Request. Very truly yours, [NAME OF LENDER] By Name: Title:.

The Increased Revolving Commitment Closing Date is ______. The Borrower hereby represents and warrants that (i) each of the representations and warranties (other than representations and warranties contained in Sections 4.2 and 4.6 of the Fourth Amended and Restated Credit Agreement) made by the Borrower in or pursuant to the Loan Documents shall be true and correct in all material respects on and as of the Increased Revolving Commitment Closing Date as if made on and as of such date, except to the extent any such representation or warranty is stated to relate solely to an earlier date, in which case such representation or warranty shall have been true and correct in all material respects as of such earlier date, (ii) no Default or Event of Default has occurred and is continuing as of the date hereof and no Default or Event of Default will exist after giving effect to the increase specified herein, (iii) the resolutions of the board of directors of the Borrower delivered on the Closing Restatement Effective Date authorize the increase specified herein (and such resolutions have not been revoked or amended in any respect and are in full force and effect), and (iv) the Borrower has received all necessary Governmental Authority authorizations, approvals or consents, if any, required with respect to the increase specified herein (and such authorizations, approvals and consents are in full force and effect), except where the failure to have received or obtained any such authorization, approval or consent could not reasonably be expected to have a Material Adverse Effect. NORTHERN STATES POWER COMPANY, a Minnesota corporation SOUTHWESTERN PUBLIC SERVICE COMPANY By: Name: Title: Increased Revolving Commitment Amount [NAME OF LENDERXXXXXX] $ By: Name: Title: FORM OF EXTENSION REQUEST4 REQUEST1 JPMorgan Chase Bank, N.A., as Administrative Agent Reference is made to the Fourth Amended and Restated Credit Agreement, dated as of March 17September 19, 2011 2022 (as amended, supplemented or otherwise modified from time to time, the “Fourth Amended and Restated Credit Agreement”), among Northern States Power Southwestern Public Service Company, a Minnesota New Mexico corporation (the “Borrower”), the Lenders party thereto, the Documentation Agent Agents and Syndication Agents named therein and JPMorgan Chase Bank, N.A., as administrative agent for the Lenders (in such capacity, the “Administrative Agent”). Unless otherwise defined herein, terms defined in the Fourth Amended and Restated Credit Agreement and used herein shall have the meanings given to them in the Fourth Amended and Restated Credit Agreement. Pursuant to Section 2.17(a) of the Credit Agreement, the Borrower hereby requests that the Lenders extend the Revolving Termination Date now in effect by a period of one year, to March [__], 20__. Very truly yours, NORTHERN STATES POWER COMPANY, a Minnesota corporation By Name: Title: 1 Extension Request may be given no earlier than the first anniversary of the Closing Date and no later than 45 days prior to the then applicable Revolving Termination Date. FORM OF CONTINUATION NOTICE5 JPMorgan Chase Bank, N.A., as Administrative Agent Reference is made to the Credit Agreement, dated as of March 17, 2011 (as amended, supplemented or otherwise modified from time to time, the “Credit Agreement”), among Northern States Power Company, a Minnesota corporation (the “Borrower”), the Lenders party thereto, the Documentation Agent and Syndication Agents named therein and JPMorgan Chase Bank, N.A., as administrative agent for the Lenders (in such capacity, the “Administrative Agent”). Unless otherwise defined herein, terms defined in the Credit Agreement and used herein shall have the meanings given to them in the Credit Agreement. The undersigned Lender is delivering this Continuation Notice in response to the Extension Request dated ____________, 20__. Pursuant to Section 2.17(a) of the Credit Agreement, the undersigned Lender hereby consents, in its sole discretion, to the extension of the Revolving Termination Date to March [__], 20__, as requested by the Borrower in the Extension Request. Very truly yours, [NAME OF LENDER] By Name: Title:.

The Increased Revolving Commitment Closing Date is ______. The Borrower hereby represents and warrants that (i) each of the representations and warranties (other than representations and warranties contained in Sections 4.2 and 4.6 of the Fourth Amended and Restated Credit Agreement) made by the Borrower in or pursuant to the Loan Documents shall be true and correct in all material respects on and as of the Increased Revolving Commitment Closing Date as if made on and as of such date, except to the extent any such representation or warranty is stated to relate solely to an earlier date, in which case such representation or warranty shall have been true and correct in all material respects as of such earlier date, (ii) no Default or Event of Default has occurred and is continuing as of the date hereof and no Default or Event of Default will exist after giving effect to the increase specified herein, (iii) the resolutions of the board of directors of the Borrower delivered on the Closing Restatement Effective Date authorize the increase specified herein (and such resolutions have not been revoked or amended in any respect and are in full force and effect), and (iv) the Borrower has received all necessary Governmental Authority authorizations, approvals or consents, if any, required with respect to the increase specified herein (and such authorizations, approvals and consents are in full force and effect), except where the failure to have received or obtained any such authorization, approval or consent could not reasonably be expected to have a Material Adverse Effect. NORTHERN STATES POWER COMPANY, a Minnesota corporation PUBLIC SERVICE COMPANY OF COLORADO By: Name: Title: Increased Revolving Commitment Amount [NAME OF LENDERLEXXXX] $ By: Name: Title: FORM OF EXTENSION REQUEST4 REQUEST1 JPMorgan Chase Bank, N.A., as Administrative Agent Reference is made to the Fourth Amended and Restated Credit Agreement, dated as of March 17September 19, 2011 2022 (as amended, supplemented or otherwise modified from time to time, the “Fourth Amended and Restated Credit Agreement”), among Northern States Power CompanyPublic Service Company of Colorado, a Minnesota Colorado corporation (the “Borrower”), the Lenders party thereto, the Documentation Agent Agents and Syndication Agents named therein and JPMorgan Chase Bank, N.A., as administrative agent for the Lenders (in such capacity, the “Administrative Agent”). Unless otherwise defined herein, terms defined in the Fourth Amended and Restated Credit Agreement and used herein shall have the meanings given to them in the Fourth Amended and Restated Credit Agreement. Pursuant to Section 2.17(a) of the Credit Agreement, the Borrower hereby requests that the Lenders extend the Revolving Termination Date now in effect by a period of one year, to March [__], 20__. Very truly yours, NORTHERN STATES POWER COMPANY, a Minnesota corporation By Name: Title: 1 Extension Request may be given no earlier than the first anniversary of the Closing Date and no later than 45 days prior to the then applicable Revolving Termination Date. FORM OF CONTINUATION NOTICE5 JPMorgan Chase Bank, N.A., as Administrative Agent Reference is made to the Credit Agreement, dated as of March 17, 2011 (as amended, supplemented or otherwise modified from time to time, the “Credit Agreement”), among Northern States Power Company, a Minnesota corporation (the “Borrower”), the Lenders party thereto, the Documentation Agent and Syndication Agents named therein and JPMorgan Chase Bank, N.A., as administrative agent for the Lenders (in such capacity, the “Administrative Agent”). Unless otherwise defined herein, terms defined in the Credit Agreement and used herein shall have the meanings given to them in the Credit Agreement. The undersigned Lender is delivering this Continuation Notice in response to the Extension Request dated ____________, 20__. Pursuant to Section 2.17(a) of the Credit Agreement, the undersigned Lender hereby consents, in its sole discretion, to the extension of the Revolving Termination Date to March [__], 20__, as requested by the Borrower in the Extension Request. Very truly yours, [NAME OF LENDER] By Name: Title:.

The Increased Revolving Commitment Closing Date is ______. The Borrower hereby represents and warrants that (i) each of the representations and warranties (other than representations and warranties contained in Sections 4.2 and 4.6 of the Credit Agreement) made by the Borrower in or pursuant to the Loan Documents shall be true and correct in all material respects on and as of the Increased Revolving Commitment Closing Date as if made on and as of such date, except to the extent any such representation or warranty is stated to relate solely to an earlier date, in which case such representation or warranty shall have been true and correct in all material respects as of such earlier date, (ii) no Default or Event of Default has occurred and is continuing as of the date hereof and no Default or Event of Default will exist after giving effect to the increase specified herein, (iii) the resolutions of the board of directors of the Borrower delivered on the Closing Date authorize the increase specified herein (and such resolutions have not been revoked or amended in any respect and are in full force and effect), and (iv) the Borrower has received all necessary Governmental Authority authorizations, approvals or consents, if any, required with respect to the increase specified herein (and such authorizations, approvals and consents are in full force and effect), except where the failure to have received or obtained any such authorization, approval or consent could not reasonably be expected to have a Material Adverse Effect. NORTHERN STATES POWER COMPANY, a Minnesota corporation PUBLIC SERVICE COMPANY OF COLORADO By: Name: Title: Increased Revolving Commitment Amount [NAME OF LENDER] $ By: Name: Title: FORM OF EXTENSION REQUEST4 JPMorgan Chase Bank, N.A., as Administrative Agent Reference is made to the Credit Agreement, dated as of March 17, 2011 (as amended, supplemented or otherwise modified from time to time, the “Credit Agreement”), among Northern States Power Company, a Minnesota corporation Public Service Company of Colorado (the “Borrower”), the Lenders party thereto, the Documentation Agent and Syndication Agents named therein and JPMorgan Chase Bank, N.A., as administrative agent for the Lenders (in such capacity, the “Administrative Agent”). Unless otherwise defined herein, terms defined in the Credit Agreement and used herein shall have the meanings given to them in the Credit Agreement. Pursuant to Section 2.17(a) of the Credit Agreement, the Borrower hereby requests that the Lenders extend the Revolving Termination Date now in effect by a period of one year, to March [__], 20__. Very truly yours, NORTHERN STATES POWER COMPANY, a Minnesota corporation PUBLIC SERVICE COMPANY OF COLORADO By Name: Title: 1 Extension Request may be given no earlier than the first anniversary of the Closing Date and no later than 45 days prior to the then applicable Revolving Termination Date. FORM OF CONTINUATION NOTICE5 JPMorgan Chase Bank, N.A., as Administrative Agent Reference is made to the Credit Agreement, dated as of March 17, 2011 (as amended, supplemented or otherwise modified from time to time, the “Credit Agreement”), among Northern States Power Company, a Minnesota corporation Public Service Company of Colorado (the “Borrower”), the Lenders party thereto, the Documentation Agent and Syndication Agents named therein and JPMorgan Chase Bank, N.A., as administrative agent for the Lenders (in such capacity, the “Administrative Agent”). Unless otherwise defined herein, terms defined in the Credit Agreement and used herein shall have the meanings given to them in the Credit Agreement. The undersigned Lender is delivering this Continuation Notice in response to the Extension Request dated ____________, 20__. Pursuant to Section 2.17(a) of the Credit Agreement, the undersigned Lender hereby consents, in its sole discretion, to the extension of the Revolving Termination Date to March [__], 20__, as requested by the Borrower in the Extension Request. Very truly yours, [NAME OF LENDER] By Name: Title:

The Increased Revolving Commitment Closing Date is ______. The Borrower hereby represents and warrants that (i) each of the representations and warranties (other than representations and warranties contained in Sections 4.2 and 4.6 of the Second Amended and Restated Credit Agreement) made by the Borrower in or pursuant to the Loan Documents shall be true and correct in all material respects on and as of the Increased Revolving Commitment Closing Date as if made on and as of such date, except to the extent any such representation or warranty is stated to relate solely to an earlier date, in which case such representation or warranty shall have been true and correct in all material respects as of such earlier date, (ii) no Default or Event of Default has occurred and is continuing as of the date hereof and no Default or Event of Default will exist after giving effect to the increase specified herein, (iii) the resolutions of the board of directors of the Borrower delivered on the Closing Restatement Effective Date authorize the increase specified herein (and such resolutions have not been revoked or amended in any respect and are in full force and effect), and (iv) the Borrower has received all necessary Governmental Authority authorizations, approvals or consents, if any, required with respect to the increase specified herein (and such authorizations, approvals and consents are in full force and effect), except where the failure to have received or obtained any such authorization, approval or consent could not reasonably be expected to have a Material Adverse Effect. NORTHERN STATES POWER COMPANY, a Minnesota corporation XCEL ENERGY INC. By: Name: Title: AMERICAS 91255883 Increased Revolving Commitment Amount [NAME OF LENDER] $ By: Name: Title: AMERICAS 91255883 2 FORM OF EXTENSION REQUEST4 REQUEST1 JPMorgan Chase Bank, N.A., as Administrative Agent Reference is made to the Second Amended and Restated Credit Agreement, dated as of March 17June 20, 2011 2016 (as amended, supplemented or otherwise modified from time to time, the “Second Amended and Restated Credit Agreement”), among Northern States Power Company, a Minnesota corporation Xcel Energy Inc. (the “Borrower”), the Lenders party thereto, the Documentation Agent Agents and Syndication Agents named therein and JPMorgan Chase Bank, N.A., as administrative agent for the Lenders (in such capacity, the “Administrative Agent”). Unless otherwise defined herein, terms defined in the Second Amended and Restated Credit Agreement and used herein shall have the meanings given to them in the Second Amended and Restated Credit Agreement. Pursuant to Section 2.17(a) of the Credit Agreement, the Borrower hereby requests that the Lenders extend the Revolving Termination Date now in effect by a period of one year, to March [__], 20__. Very truly yours, NORTHERN STATES POWER COMPANY, a Minnesota corporation By Name: Title: 1 Extension Request may be given no earlier than the first anniversary of the Closing Date and no later than 45 days prior to the then applicable Revolving Termination Date. FORM OF CONTINUATION NOTICE5 JPMorgan Chase Bank, N.A., as Administrative Agent Reference is made to the Credit Agreement, dated as of March 17, 2011 (as amended, supplemented or otherwise modified from time to time, the “Credit Agreement”), among Northern States Power Company, a Minnesota corporation (the “Borrower”), the Lenders party thereto, the Documentation Agent and Syndication Agents named therein and JPMorgan Chase Bank, N.A., as administrative agent for the Lenders (in such capacity, the “Administrative Agent”). Unless otherwise defined herein, terms defined in the Credit Agreement and used herein shall have the meanings given to them in the Credit Agreement. The undersigned Lender is delivering this Continuation Notice in response to the Extension Request dated ____________, 20__. Pursuant to Section 2.17(a) of the Credit Agreement, the undersigned Lender hereby consents, in its sole discretion, to the extension of the Revolving Termination Date to March [__], 20__, as requested by the Borrower in the Extension Request. Very truly yours, [NAME OF LENDER] By Name: Title:.

The Increased Revolving Commitment Closing Date is ______. The Borrower hereby represents and warrants that (i) each of the representations and warranties (other than representations and warranties contained in Sections 4.2 and 4.6 of the Amended and Restated Credit Agreement) made by the Borrower in or pursuant to the Loan Documents shall be true and correct in all material respects on and as of the Increased Revolving Commitment Closing Date as if made on and as of such date, except to the extent any such representation or warranty is stated to relate solely to an earlier date, in which case such representation or warranty shall have been true and correct in all material respects as of such earlier date, (ii) no Default or Event of Default has occurred and is continuing as of the date hereof and no Default or Event of Default will exist after giving effect to the increase specified herein, (iii) the resolutions of the board of directors of the Borrower delivered on the Closing Restatement Effective Date authorize the increase specified herein (and such resolutions have not been revoked or amended in any respect and are in full force and effect), and (iv) the Borrower has received all necessary Governmental Authority authorizations, approvals or consents, if any, required with respect to the increase specified herein (and such authorizations, approvals and consents are in full force and effect), except where the failure to have received or obtained any such authorization, approval or consent could not reasonably be expected to have a Material Adverse Effect. NORTHERN STATES XXXXXXX 0000000 XXXXXXXX XXXXXX POWER COMPANY, a Minnesota corporation By: ___________________________ Name: Title: Increased Revolving Commitment Amount [NAME OF LENDER] $ By: ___________________________ Name: Title: NEWYORK 9337890 FORM OF EXTENSION REQUEST4 REQUEST1 JPMorgan Chase Bank, N.A., as Administrative Agent Reference is made to the Amended and Restated Credit Agreement, dated as of March 17October 14, 2011 2014 (as amended, supplemented or otherwise modified from time to time, the “Amended and Restated Credit Agreement”), among Northern States Power Company, a Minnesota corporation (the “Borrower”), the Lenders party thereto, the Documentation Agent and Syndication Agents named therein and JPMorgan Chase Bank, N.A., as administrative agent for the Lenders (in such capacity, the “Administrative Agent”). Unless otherwise defined herein, terms defined in the Amended and Restated Credit Agreement and used herein shall have the meanings given to them in the Amended and Restated Credit Agreement. Pursuant to Section 2.17(a) of the Amended and Restated Credit Agreement, the Borrower hereby requests that the Lenders extend the Revolving Termination Date now in effect by a period of one year, to March [________], 20__. Very truly yours, NORTHERN STATES POWER COMPANY, a Minnesota corporation By By: ___________________________ Name: Title: Dated as of _________ __, 20__ 1 Extension Request may be given no earlier than the first anniversary of the Closing Restatement Effective Date and no later than 45 days prior to the then applicable Revolving Termination Date. NEWYORK 9337890 FORM OF CONTINUATION NOTICE5 NOTICE1 JPMorgan Chase Bank, N.A., as Administrative Agent Reference is made to the Amended and Restated Credit Agreement, dated as of March 17October 14, 2011 2014 (as amended, supplemented or otherwise modified from time to time, the “Amended and Restated Credit Agreement”), among Northern States Power Company, a Minnesota corporation (the “Borrower”), the Lenders party thereto, the Documentation Agent and Syndication Agents named therein and JPMorgan Chase Bank, N.A., as administrative agent for the Lenders (in such capacity, the “Administrative Agent”). Unless otherwise defined herein, terms defined in the Amended and Restated Credit Agreement and used herein shall have the meanings given to them in the Amended and Restated Credit Agreement. The undersigned Lender is delivering this Continuation Notice in response to the Extension Request dated ____________, 20__. Pursuant to Section 2.17(a) of the Amended and Restated Credit Agreement, the undersigned Lender hereby consents, in its sole discretion, to the extension of the Revolving Termination Date to March [_______], 20__, as requested by the Borrower in the Extension Request. Very truly yours, [NAME OF LENDER] By By: ___________________________ Name: Title:

The Increased Revolving Commitment Closing Date is ______. The Borrower hereby represents and warrants that (i) each of the representations and warranties (other than representations and warranties contained in Sections 4.2 and 4.6 of the Second Amended and Restated Credit Agreement) made by the Borrower in or pursuant to the Loan Documents shall be true and correct in all material respects on and as of the Increased Revolving Commitment Closing Date as if made on and as of such date, except to the extent any such representation or warranty is stated to relate solely to an earlier date, in which case such representation or warranty shall have been true and correct in all material respects as of such earlier date, (ii) no Default or Event of Default has occurred and is continuing as of the date hereof and no Default or Event of Default will exist after giving effect to the increase specified herein, (iii) the resolutions of the board of directors of the Borrower delivered on the Closing Restatement Effective Date authorize the increase specified herein (and such resolutions have not been revoked or amended in any respect and are in full force and effect), and (iv) the Borrower has received all necessary Governmental Authority authorizations, approvals or consents, if any, required with respect to the increase specified herein (and such AMERICAS 91292609 authorizations, approvals and consents are in full force and effect), except where the failure to have received or obtained any such authorization, approval or consent could not reasonably be expected to have a Material Adverse Effect. NORTHERN STATES POWER COMPANY, a Minnesota corporation By: Name: Title: Increased Revolving Commitment Amount [NAME OF LENDER] $ By: Name: Title: AMERICAS 91292609 FORM OF EXTENSION REQUEST4 REQUEST1 JPMorgan Chase Bank, N.A., as Administrative Agent Reference is made to the Second Amended and Restated Credit Agreement, dated as of March 17June 20, 2011 2016 (as amended, supplemented or otherwise modified from time to time, the “Second Amended and Restated Credit Agreement”), among Northern States Power Company, a Minnesota corporation (the “Borrower”), the Lenders party thereto, the Documentation Agent Agents and Syndication Agents named therein and JPMorgan Chase Bank, N.A., as administrative agent for the Lenders (in such capacity, the “Administrative Agent”). Unless otherwise defined herein, terms defined in the Second Amended and Restated Credit Agreement and used herein shall have the meanings given to them in the Second Amended and Restated Credit Agreement. Pursuant to Section 2.17(a) of the Credit Agreement, the Borrower hereby requests that the Lenders extend the Revolving Termination Date now in effect by a period of one year, to March [__], 20__. Very truly yours, NORTHERN STATES POWER COMPANY, a Minnesota corporation By Name: Title: 1 Extension Request may be given no earlier than the first anniversary of the Closing Date and no later than 45 days prior to the then applicable Revolving Termination Date. FORM OF CONTINUATION NOTICE5 JPMorgan Chase Bank, N.A., as Administrative Agent Reference is made to the Credit Agreement, dated as of March 17, 2011 (as amended, supplemented or otherwise modified from time to time, the “Credit Agreement”), among Northern States Power Company, a Minnesota corporation (the “Borrower”), the Lenders party thereto, the Documentation Agent and Syndication Agents named therein and JPMorgan Chase Bank, N.A., as administrative agent for the Lenders (in such capacity, the “Administrative Agent”). Unless otherwise defined herein, terms defined in the Credit Agreement and used herein shall have the meanings given to them in the Credit Agreement. The undersigned Lender is delivering this Continuation Notice in response to the Extension Request dated ____________, 20__. Pursuant to Section 2.17(a) of the Credit Agreement, the undersigned Lender hereby consents, in its sole discretion, to the extension of the Revolving Termination Date to March [__], 20__, as requested by the Borrower in the Extension Request. Very truly yours, [NAME OF LENDER] By Name: Title:.

The Increased Revolving Commitment Closing Date is ______. The Borrower hereby represents and warrants that (i) each of the representations and warranties (other than representations and warranties contained in Sections 4.2 and 4.6 of the Third Amended and Restated Credit Agreement) made by the Borrower in or pursuant to the Loan Documents shall be true and correct in all material respects on and as of the Increased Revolving Commitment Closing Date as if made on and as of such date, except to the extent any such representation or warranty is stated to relate solely to an earlier date, in which case such representation or warranty shall have been true and correct in all material respects as of such earlier date, (ii) no Default or Event of Default has occurred and is continuing as of the date hereof and no Default or Event of Default will exist after giving effect to the increase specified herein, (iii) the resolutions of the board of directors of the Borrower delivered on the Closing Restatement Effective Date authorize the increase specified herein (and such resolutions have not been revoked or amended in any respect and are in full force and effect), and (iv) the Borrower has received all necessary Governmental Authority authorizations, approvals or consents, if any, required with respect to the increase specified herein (and such authorizations, approvals and consents are in full force and effect), except where the failure to have received or obtained any such authorization, approval or consent could not reasonably be expected to have a Material Adverse Effect. NORTHERN STATES POWER COMPANY, a Minnesota corporation PUBLIC SERVICE COMPANY OF COLORADO By: Name: Title: Increased Revolving Commitment Amount [NAME OF LENDER] $ By: Name: Title: FORM OF EXTENSION REQUEST4 REQUEST1 JPMorgan Chase Bank, N.A., as Administrative Agent Reference is made to the Third Amended and Restated Credit Agreement, dated as of March 17June 7, 2011 2019 (as amended, supplemented or otherwise modified from time to time, the “Third Amended and Restated Credit Agreement”), among Northern States Power CompanyPublic Service Company of Colorado, a Minnesota Colorado corporation (the “Borrower”), the Lenders party thereto, the Documentation Agent Agents and Syndication Agents named therein and JPMorgan Chase Bank, N.A., as administrative agent for the Lenders (in such capacity, the “Administrative Agent”). Unless otherwise defined herein, terms defined in the Third Amended and Restated Credit Agreement and used herein shall have the meanings given to them in the Third Amended and Restated Credit Agreement. Pursuant to Section 2.17(a) of the Third Amended and Restated Credit Agreement, the Borrower hereby requests that the Lenders extend the Revolving Termination Date now in effect by a period of one year, to March [______], 20__. Very truly yours, NORTHERN STATES POWER COMPANY, a Minnesota corporation By PUBLIC SERVICE COMPANY OF COLORADO By: Name: Title: 1 Extension Request may be given no earlier than the first anniversary of the Closing Restatement Effective Date and no later than 45 days prior to the then applicable Revolving Termination Date. FORM OF CONTINUATION NOTICE5 NOTICE1 JPMorgan Chase Bank, N.A., as Administrative Agent Reference is made to the Third Amended and Restated Credit Agreement, dated as of March 17June 7, 2011 2019 (as amended, supplemented or otherwise modified from time to time, the “Third Amended and Restated Credit Agreement”), among Northern States Power CompanyPublic Service Company of Colorado, a Minnesota Colorado corporation (the “Borrower”), the Lenders party thereto, the Documentation Agent Agents and Syndication Agents named therein and JPMorgan Chase Bank, N.A., as administrative agent for the Lenders (in such capacity, the “Administrative Agent”). Unless otherwise defined herein, terms defined in the Third Amended and Restated Credit Agreement and used herein shall have the meanings given to them in the Third Amended and Restated Credit Agreement. The undersigned Lender is delivering this Continuation Notice in response to the Extension Request dated ____________, 20__. Pursuant to Section 2.17(a) of the Third Amended and Restated Credit Agreement, the undersigned Lender hereby consents, in its sole discretion, to the extension of the Revolving Termination Date to March [_____], 20__, _ as requested by the Borrower in the Extension Request. Very truly yours, [NAME OF LENDER] By By: Name: Title:

The Increased Revolving Commitment Closing Date is ______. The Borrower hereby represents and warrants that (i) each of the representations and warranties (other than representations and warranties contained in Sections 4.2 and 4.6 of the Amended and Restated Credit Agreement) made by the Borrower in or pursuant to the Loan Documents shall be true and correct in all material respects on and as of the Increased Revolving Commitment Closing Date as if made on and as of such date, except to the extent any such representation or warranty is stated to relate solely to an earlier date, in which case such representation or warranty shall have been true and correct in all material respects as of such earlier date, (ii) no Default or Event of Default has occurred and is continuing as of the date hereof and no Default or Event of Default will exist after giving effect to the increase specified herein, (iii) the resolutions of the board of directors of the Borrower delivered on the Closing Restatement Effective Date authorize the increase specified herein (and such resolutions have not been revoked or amended in any respect and are in full force and effect), and (iv) the Borrower has received all necessary Governmental Authority authorizations, approvals or consents, if any, required with respect to the increase specified herein (and such authorizations, approvals and consents are in full force and effect), except where the failure to have received or obtained any such authorization, approval or consent could not reasonably be expected to have a Material Adverse Effect. NORTHERN STATES POWER COMPANY, a Minnesota corporation XCEL ENERGY INC. By: Name: XXXXXXX 0000000 Title: Increased Revolving Commitment Amount [NAME OF LENDER] $ By: Name: Title: XXXXXXX 0000000 2 FORM OF EXTENSION REQUEST4 REQUEST1 JPMorgan Chase Bank, N.A., as Administrative Agent Reference is made to the Amended and Restated Credit Agreement, dated as of March 17October 14, 2011 2014 (as amended, supplemented or otherwise modified from time to time, the “Amended and Restated Credit Agreement”), among Northern States Power Company, a Minnesota corporation Xcel Energy Inc. (the “Borrower”), the Lenders party thereto, the Documentation Agent and Syndication Agents named therein and JPMorgan Chase Bank, N.A., as administrative agent for the Lenders (in such capacity, the “Administrative Agent”). Unless otherwise defined herein, terms defined in the Amended and Restated Credit Agreement and used herein shall have the meanings given to them in the Amended and Restated Credit Agreement. Pursuant to Section 2.17(a) of the Amended and Restated Credit Agreement, the Borrower hereby requests that the Lenders extend the Revolving Termination Date now in effect by a period of one year, to March [________], 20__. Very truly yours, NORTHERN STATES POWER COMPANY, a Minnesota corporation XCEL ENERGY INC. By Name: Title: 1 Extension Request may be given no earlier than the first anniversary of the Closing Restatement Effective Date and no later than 45 days prior to the then applicable Revolving Termination Date. NEWYORK 9257105 FORM OF CONTINUATION NOTICE5 NOTICE1 JPMorgan Chase Bank, N.A., as Administrative Agent Reference is made to the Amended and Restated Credit Agreement, dated as of March 17October 14, 2011 2014 (as amended, supplemented or otherwise modified from time to time, the “Amended and Restated Credit Agreement”), among Northern States Power Company, a Minnesota corporation Xcel Energy Inc. (the “Borrower”), the Lenders party thereto, the Documentation Agent and Syndication Agents named therein and JPMorgan Chase Bank, N.A., as administrative agent for the Lenders (in such capacity, the “Administrative Agent”). Unless otherwise defined herein, terms defined in the Amended and Restated Credit Agreement and used herein shall have the meanings given to them in the Amended and Restated Credit Agreement. The undersigned Lender is delivering this Continuation Notice in response to the Extension Request dated ____________, 20__. Pursuant to Section 2.17(a) of the Amended and Restated Credit Agreement, the undersigned Lender hereby consents, in its sole discretion, to the extension of the Revolving Termination Date to March [________], 20__, as requested by the Borrower in the Extension Request. Very truly yours, [NAME OF LENDER] By Name: Title: