Item 15. EXHIBITS AND FINANCIAL STATEMENT SCHEDULES

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Item 15. EXHIBITS AND FINANCIAL STATEMENT SCHEDULES

Financial Statements and Financial Statement Schedules

See the Index to Financial Statements and Financial Statement Schedule in Part II, Item 8.

Exhibits Filed

The documents listed below are being filed or have previously been filed on behalf of Pinnacle West or APS and are incorporated herein by reference from the documents indicated and made a part hereof. Exhibits not identified as previously filed are filed herewith.

Exhibit No.Registrant(s)DescriptionPreviously Filed as Exhibit: aDate Filed
3.1Pinnacle WestArticles of Incorporation, restated as of May 21, 20083.1 to Pinnacle West/APS June 30, 2008 Form 10-Q Report, File No. 1-89628/7/2008
3.2Pinnacle WestPinnacle West Capital Corporation Bylaws, amended as of February 19, 20203.1 to Pinnacle West/APS February 25, 2020 Form 8-K Report, File Nos. 1-8962 and 1-44732/25/2020
3.3APSArticles of Incorporation, restated as of May 25, 19884.2 to APS’s Form 18 Registration Nos. 33-33910 and 33-55248 by means of September 24, 1993 Form 8-K Report, File No. 1-44739/29/1993
3.3(1)APSAmendment to the Articles of Incorporation of Arizona Public Service Company, amended May 16, 20123.1 to Pinnacle West/APS May 22, 2012 Form 8-K Report, File Nos. 1-8962 and 1-44735/22/2012
3.4APSArizona Public Service Company Bylaws, amended as of December 16, 20083.4 to Pinnacle West/APS December 31, 2008 Form 10-K Report, File No. 1-44732/20/2009
4.1Pinnacle WestSpecimen Certificate of Pinnacle West Capital Corporation Common Stock, no par value4.1 to Pinnacle West June 20, 2017 Form 8-K Report, File No. 1-89626/20/2017
4.2Pinnacle West APSIndenture dated as of January 1, 1995 among APS and The Bank of New York Mellon, as Trustee4.6 to APS’s Registration Statement Nos. 33-61228 and 33-55473 by means of January 1, 1995 Form 8-K Report, File No. 1-44731/11/1995
4.3Pinnacle West APSIndenture dated as of November 15, 1996 between APS and The Bank of New York, as Trustee4.5 to APS’s Registration Statements Nos. 33-61228, 33-55473, 33-64455 and 333-15379 by means of November 19, 1996 Form 8-K Report, File No. 1-447311/22/1996
4.4Pinnacle WestIndenture dated as of December 1, 2000 between the Company and The Bank of New York, as Trustee, relating to Senior Unsecured Debt Securities4.1 to Pinnacle West’s Registration Statement No. 333-5247612/21/2000
4.4(a)Pinnacle WestFourth Supplemental Indenture dated as of June 17, 20204.1 to Pinnacle West June 10, 2020 Form 8-K Report, File No. 1-89626/16/2020
Exhibit No.Registrant(s)DescriptionPreviously Filed as Exhibit: aDate Filed
4.4(b)Pinnacle WestFifth Supplemental Indenture dated as of June 10, 20244.1 to Pinnacle West June 5, 2024 Form 8-K Report, File No. 1-89626/10/2024
4.5Pinnacle WestIndenture dated as of December 1, 2000 between the Company and The Bank of New York, as Trustee, relating to Subordinated Unsecured Debt Securities4.2 to Pinnacle West’s Registration Statement No. 333-5247612/21/2000
4.6Pinnacle West APSIndenture dated as of January 15, 1998 between APS and The Bank of New York Mellon Trust Company N.A. (successor to JPMorgan Chase Bank, N.A., formerly known as The Chase Manhattan Bank), as Trustee4.10 to APS’s Registration Statement Nos. 333-15379 and 333-27551 by means of January 13, 1998 Form 8-K Report, File No. 1-44731/16/1998
4.6(a)Pinnacle West APSSeventh Supplemental Indenture dated as of May 1, 20034.1 to APS’s Registration Statement No. 333-90824 by means of May 7, 2003 Form 8-K Report, File No. 1-44735/9/2003
4.6(b)Pinnacle West APSNinth Supplemental Indenture dated as of August 15, 20054.1 to APS’s Registration Statements Nos. 333-106772 and 333-121512 by means of August 17, 2005 Form 8-K Report, File No. 1-44738/22/2005
4.6(c)APSTenth Supplemental Indenture dated as of August 1, 20064.1 to APS’s July 31, 2006 Form 8-K Report, File No. 1-44738/3/2006
4.6(d)Pinnacle West APSTwelfth Supplemental Indenture dated as of August 25, 20114.6f to Pinnacle West/APS 2014 Form 10-K Report, File Nos. 1-8962 and 1-44732/20/2015
4.6(e)Pinnacle West APSThirteenth Supplemental Indenture dated as of January 13, 20124.6g to Pinnacle West/APS 2014 Form 10-K Report, File Nos. 1-8962 and 1-44732/20/2015
4.6(f)Pinnacle West APSFourteenth Supplemental Indenture dated as of January 10, 20144.6h to Pinnacle West/APS 2014 Form 10-K Report, File Nos. 1-8962 and 1-44732/20/2015
4.6(g)Pinnacle West APSSeventeenth Supplemental Indenture dated as of May 19, 20154.1 to Pinnacle West/APS May 14, 2015 Form 8-K Report, File Nos. 1-8962 and 1-44735/19/2015
4.6(h)Pinnacle West APSEighteenth Supplemental Indenture dated as of November 6, 20154.1 to Pinnacle West/APS November 3, 2015 Form 8-K Report, File Nos. 1-8962 and 1-447311/6/2015
4.6(i)Pinnacle West APSNineteenth Supplemental Indenture dated as of May 6, 20164.1 to Pinnacle West/APS May 3, 2016 Form 8-K Report, File Nos. 1-8962 and 1-44735/6/2016
4.6(j)Pinnacle West APSTwentieth Supplemental Indenture dated as of September 20, 20164.1 to Pinnacle West/APS September 15, 2016 Form 8-K Report, File Nos. 1-8962 and 1-44739/20/2016
4.6(k)Pinnacle West APSTwenty-First Supplemental Indenture dated as of September 11, 20174.1 to Pinnacle West/APS September 11, 2017 Form 8-K Report, File Nos. 1-8962 and 1-44739/11/2017
4.6(l)Pinnacle West APSTwenty-Second Supplemental Indenture dated as of August 9, 20184.1 to Pinnacle West/APS August 9, 2018 Form 8-K Report, File Nos. 1-8962 and 1-44738/9/2018
Exhibit No.Registrant(s)DescriptionPreviously Filed as Exhibit: aDate Filed
4.6(m)Pinnacle West APSTwenty-Third Supplemental Indenture dated as of February 28, 20194.1 to Pinnacle West/APS February 28, 2019 Form 8-K Report, File Nos. 1-8962 and 1-44732/28/2019
4.6(n)Pinnacle West APSTwenty-Fourth Supplemental Indenture dated as of August 19, 20194.1 to Pinnacle West/APS August 16, 2019 Form 8-K Report, File Nos. 1-8962 and 1-44738/16/2019
4.6(o)Pinnacle West APSTwenty-Fifth Supplemental Indenture dated as of November 20, 20194.1 to Pinnacle West/APS November 20, 2019 Form 8-K Report, File Nos. 1-8962 and 1-447311/20/2019
4.6(p)Pinnacle West APSTwenty-Sixth Supplemental Indenture dated as of May 22, 20204.1 to Pinnacle West/APS May 22, 2020 Form 8-K Report, File Nos. 1-8962 and 1-44735/22/2020
4.6(q)Pinnacle West APSTwenty-Seventh Supplemental Indenture dated as of September 11, 20204.1 to Pinnacle West/APS September 11, 2020 Form 8-K Report, File Nos. 1-8962 and 1-44739/11/2020
4.6(r)Pinnacle West APSTwenty-Eighth Supplemental Indenture dated as of August 16, 20214.1 to Pinnacle West/APS August 16, 2021 Form 8-K Report, File Nos. 1-8962 and 1-44738/16/2021
4.6(s)Pinnacle West APSTwenty-Ninth Supplemental Indenture dated as of November 8, 20224.1 to Pinnacle West/APS November 8, 2022 Form 8-K Report, File Nos. 1-8962 and 1-447311/8/2022
4.6(t)Pinnacle West APSThirtieth Supplemental Indenture dated as of June 30, 20234.1 to Pinnacle West/APS June 30, 2023 Form 8-K Report, File Nos. 1-8962 and 1-44736/30/2023
4.6(u)Pinnacle West APSThirty-First Supplemental Indenture dated as of May 9, 20244.1 to Pinnacle West/APS May 9, 2024 Form 8-K Report, File Nos. 1-8962 and 1-44735/9/2024
4.7Pinnacle WestThird Amended and Restated Pinnacle West Capital Corporation Investors Advantage Plan dated as of November 25, 20084.1 to Pinnacle West’s Form S-3 Registration Statement No. 333-155641, File No. 1-896211/25/2008
4.8Pinnacle WestAgreement, dated March 29, 1988, relating to the filing of instruments defining the rights of holders of long-term debt not in excess of 10% of the Company’s total assets4.1 to Pinnacle West’s 1987 Form 10-K Report, File No. 1-89623/30/1988
4.8(a)Pinnacle West APSAgreement, dated March 21, 1994, relating to the filing of instruments defining the rights of holders of APS long-term debt not in excess of 10% of APS’s total assets4.1 to APS’s 1993 Form 10-K Report, File No. 1-44733/30/1994
4.9Pinnacle West APSDescription of Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934
4.10Pinnacle WestIndenture, dated as of June 6, 2024, between the Company and The Bank of New York Mellon Trust Company, N.A., as trustee4.1 to Pinnacle West June 6, 2024 Form 8-K Report, File No. 1-89626/6/2024
Exhibit No.Registrant(s)DescriptionPreviously Filed as Exhibit: aDate Filed
10.1(1)Pinnacle West APSTwo separate Decommissioning Trust Agreements (relating to PVGS Units 1 and 3, respectively), each dated July 1, 1991, between APS and Mellon Bank, N.A., as Decommissioning Trustee10.2 to APS’s September 30, 1991 Form 10-Q Report, File No. 1-447311/14/1991
10.1(1)(a)Pinnacle West APSAmendment No. 1 to Decommissioning Trust Agreement (PVGS Unit 1), dated as of December 1, 199410.1 to APS’s 1994 Form 10-K Report, File No. 1-44733/30/1995
10.1(1)(b)Pinnacle West APSAmendment No. 1 to Decommissioning Trust Agreement (PVGS Unit 3), dated as of December 1, 199410.2 to APS’s 1994 Form 10-K Report, File No. 1-44733/30/1995
10.1(1)(c)Pinnacle West APSAmendment No. 2 to APS Decommissioning Trust Agreement (PVGS Unit 1) dated as of July 1, 199110.4 to APS’s 1996 Form 10-K Report, File No. 1-44733/28/1997
10.1(1)(d)Pinnacle West APSAmendment No. 2 to APS Decommissioning Trust Agreement (PVGS Unit 3) dated as of July 1, 199110.6 to APS’s 1996 Form 10-K Report, File No. 1-44733/28/1997
10.1(1)(e)Pinnacle West APSAmendment No. 3 to the Decommissioning Trust Agreement (PVGS Unit 1), dated as of March 18, 200210.2 to Pinnacle West’s March 31, 2002 Form 10-Q Report, File No. 1-89625/15/2002
10.1(1)(f)Pinnacle West APSAmendment No. 3 to the Decommissioning Trust Agreement (PVGS Unit 3), dated as of March 18, 200210.4 to Pinnacle West’s March 2002 Form 10-Q Report, File No. 1-89625/15/2002
10.1(1)(g)Pinnacle West APSAmendment No. 4 to the Decommissioning Trust Agreement (PVGS Unit 1), dated as of December 19, 200310.3 to Pinnacle West’s 2003 Form 10-K Report, File No. 1-89623/15/2004
10.1(1)(h)Pinnacle West APSAmendment No. 4 to the Decommissioning Trust Agreement (PVGS Unit 3), dated as of December 19, 200310.5 to Pinnacle West’s 2003 Form 10-K Report, File No. 1-89623/15/2004
10.1(1)(i)Pinnacle West APSAmendment No. 5 to the Decommissioning Trust Agreement (PVGS Unit 1), dated as of May 1, 200710.1 to Pinnacle West/APS March 31, 2007 Form 10-Q Report, File Nos. 1-8962 and 1-44735/9/2007
10.1(1)(j)Pinnacle West APSAmendment No. 5 to the Decommissioning Trust Agreement (PVGS Unit 3), dated as of May 1, 200710.2 to Pinnacle West/APS March 31, 2007 Form 10-Q Report, File Nos. 1-8962 and 1044735/9/2007
Exhibit No.Registrant(s)DescriptionPreviously Filed as Exhibit: aDate Filed
10.1(2)Pinnacle West APSAmended and Restated Decommissioning Trust Agreement (PVGS Unit 2) dated as of January 31, 1992, among APS, Mellon Bank, N.A., as Decommissioning Trustee, and State Street Bank and Trust Company, as successor to The First National Bank of Boston, as Owner Trustee under two separate Trust Agreements, each with a separate Equity Participant, and as Lessor under two separate Facility Leases, each relating to an undivided interest in PVGS Unit 210.1 to Pinnacle West’s 1991 Form 10-K Report, File No. 1-89623/26/1992
10.1(2)(a)Pinnacle West APSFirst Amendment to Amended and Restated Decommissioning Trust Agreement (PVGS Unit 2), dated as of November 1, 199210.2 to APS’s 1992 Form 10-K Report, File No. 1-44733/30/1993
10.1(2)(b)Pinnacle West APSAmendment No. 2 to Amended and Restated Decommissioning Trust Agreement (PVGS Unit 2), dated as of November 1, 199410.3 to APS’s 1994 Form 10-K Report, File No. 1-44733/30/1995
10.1(2)(c)Pinnacle West APSAmendment No. 3 to Amended and Restated Decommissioning Trust Agreement (PVGS Unit 2), dated as of June 20, 199610.1 to APS’s June 30, 1996 Form 10-Q Report, File No. 1-44738/9/1996
10.1(2)(d)Pinnacle West APSAmendment No. 4 to Amended and Restated Decommissioning Trust Agreement (PVGS Unit 2) dated as of December 16, 1996APS 10.5 to APS’s 1996 Form 10-K Report, File No. 1-44733/28/1997
10.1(2)(e)Pinnacle West APSAmendment No. 5 to the Amended and Restated Decommissioning Trust Agreement (PVGS Unit 2), dated as of June 30, 200010.1 to Pinnacle West’s March 31, 2002 Form 10-Q Report, File No. 1-89625/15/2002
10.1(2)(f)Pinnacle West APSAmendment No. 6 to the Amended and Restated Decommissioning Trust Agreement (PVGS Unit 2), dated as of March 18, 200210.3 to Pinnacle West’s March 31, 2002 Form 10-Q Report, File No. 1-89625/15/2002
10.1(2)(g)Pinnacle West APSAmendment No. 7 to the Amended and Restated Decommissioning Trust Agreement (PVGS Unit 2), dated as of December 19, 200310.4 to Pinnacle West’s 2003 Form 10-K Report, File No. 1-89623/15/2004
10.1(2)(h)Pinnacle West APSAmendment No. 8 to the Amended and Restated Decommissioning Trust Agreement (PVGS Unit 2), dated as of April 1, 200710.1.2h to Pinnacle West’s 2007 Form 10-K Report, File No. 1-89622/27/2008
10.2(1)bPinnacle West APSArizona Public Service Company Deferred Compensation Plan, as restated, effective January 1, 1984, and the second and third amendments thereto, dated December 22, 1986, and December 23, 1987, respectively10.4 to APS’s 1988 Form 10-K Report, File No. 1-44733/8/1989
Exhibit No.Registrant(s)DescriptionPreviously Filed as Exhibit: aDate Filed
10.2(1)(a)bPinnacle West APSThird Amendment to the Arizona Public Service Company Deferred Compensation Plan, effective as of January 1, 199310.3A to APS’s 1993 Form 10-K Report, File No. 1-44733/30/1994
10.2(1)(b)bPinnacle West APSFourth Amendment to the Arizona Public Service Company Deferred Compensation Plan effective as of May 1, 199310.2 to APS’s September 30, 1994 Form 10-Q Report, File No. 1-447311/10/1994
10.2(1)(c)bPinnacle West APSFifth Amendment to the Arizona Public Service Company Deferred Compensation Plan effective January 1, 199710.3A to APS’s 1996 Form 10-K Report, File No. 1-44733/28/1997
10.2(1)(d)bPinnacle West APSSixth Amendment to the Arizona Public Service Company Deferred Compensation Plan effective January 1, 200110.8A to Pinnacle West’s 2000 Form 10-K Report, File No. 1-89623/14/2001
10.2(2)bPinnacle West APSArizona Public Service Company Directors’ Deferred Compensation Plan, as restated, effective January 1, 198610.1 to APS’s June 30, 1986 Form 10-Q Report, File No. 1-44738/13/1986
10.2(2)(a)bPinnacle West APSSecond Amendment to the Arizona Public Service Company Directors’ Deferred Compensation Plan, effective as of January 1, 199310.2A to APS’s 1993 Form 10-K Report, File No. 1-44733/30/1994
10.2(2)(b)bPinnacle West APSThird Amendment to the Arizona Public Service Company Directors’ Deferred Compensation Plan, effective as of May 1, 199310.1 to APS’s September 30, 1994 Form 10-Q Report, File No. 1-447311/10/1994
10.2(2)(c)bPinnacle West APSFourth Amendment to the Arizona Public Service Company Directors Deferred Compensation Plan, effective as of January 1, 199910.8A to Pinnacle West’s 1999 Form 10-K Report, File No. 1-89623/30/2000
10.2(3)bPinnacle West APSTrust for the Pinnacle West Capital Corporation, Arizona Public Service Company and SunCor Development Company Deferred Compensation Plans dated August 1, 199610.14A to Pinnacle West’s 1999 Form 10-K Report, File No. 1-89623/30/2000
10.2(3)(a)bPinnacle West APSFirst Amendment dated December 7, 1999 to the Trust for the Pinnacle West Capital Corporation, Arizona Public Service Company and SunCor Development Company Deferred Compensation Plans10.15A to Pinnacle West’s 1999 Form 10-K Report, File No. 1-89623/30/2000
10.2(4)bPinnacle West APSPinnacle West Capital Corporation, Arizona Public Service Company, SunCor Development Company and El Dorado Investment Company Deferred Compensation Plan as amended and restated effective January 1, 199610.10A to APS’s 1995 Form 10-K Report, File No. 1-44733/29/1996
Exhibit No.Registrant(s)DescriptionPreviously Filed as Exhibit: aDate Filed
10.2(4)(a)bPinnacle West APSFirst Amendment effective as of January 1, 1999, to the Pinnacle West Capital Corporation, Arizona Public Service Company, SunCor Development Company and El Dorado Investment Company Deferred Compensation Plan10.7A to Pinnacle West’s 1999 Form 10-K Report, File No. 1-89623/30/2000
10.2(4)(b)bPinnacle West APSSecond Amendment effective January 1, 2000 to the Pinnacle West Capital Corporation, Arizona Public Service Company, SunCor Development Company and El Dorado Investment Company Deferred Compensation Plan10.10A to Pinnacle West’s 1999 Form 10-K Report, File No. 1-89623/30/2000
10.2(4)(c)bPinnacle West APSThird Amendment to the Pinnacle West Capital Corporation, Arizona Public Service Company, SunCor Development Company and El Dorado Investment Company Deferred Compensation Plan, effective as of January 1, 200210.3 to Pinnacle West’s March 31, 2003 Form 10-Q Report, File No. 1-89625/15/2003
10.2(4)(d)bPinnacle West APSFourth Amendment to the Pinnacle West Capital Corporation, Arizona Public Service Company, SunCor Development Company and El Dorado Investment Company Deferred Compensation Plan, effective January 1, 200310.64b to Pinnacle West/APS 2005 Form 10-K Report, File Nos. 1-8962 and 1-44733/13/2006
10.2(5)bPinnacle West APSDeferred Compensation Plan of 2005 for Employees of Pinnacle West Capital Corporation and Affiliates (as amended and restated effective January 1, 2016)10.2.5 to Pinnacle West/APS 2015 Form 10-K Report, File Nos. 1-8962 and 1-44732/19/2016
10.3(1)bPinnacle West APSPinnacle West Capital Corporation Supplemental Excess Benefit Retirement Plan, amended and restated as of January 1, 200310.7A to Pinnacle West’s 2003 Form 10-K Report, File No. 1-89623/15/2004
10.3(1)(a)bPinnacle West APSPinnacle West Capital Corporation Supplemental Excess Benefit Retirement Plan, as amended and restated, dated December 18, 200310.48b to Pinnacle West/APS 2005 Form 10-K Report, File Nos. 1-8962 and 1-44733/13/2006
10.3(2)bPinnacle West APSPinnacle West Capital Corporation Supplemental Excess Benefit Retirement Plan of 2005 (as amended and restated effective January 1, 2016)10.3.2 to Pinnacle West/APS 2015 Form 10-K Report, File Nos. 1-8962 and 1-44732/19/2016
10.3(2)(a)bPinnacle West APSFirst Amendment to the Pinnacle West Capital Corporation Supplemental Excess Benefit Retirement Plan of 2005 (as amended and restated effective January 1, 2016)10.3.2a to Pinnacle West/APS 2016 Form 10-K Report, File Nos. 1-8962 and 1-44732/24/2017
Exhibit No.Registrant(s)DescriptionPreviously Filed as Exhibit: aDate Filed
10.3(2)(b)bPinnacle West APSSecond Amendment to the Pinnacle West Capital Corporation Supplemental Excess Benefit Retirement Plan of 2005 (as amended and restated effective January 1, 2016)10.3.2b to Pinnacle West/APS 2017 Form 10-K Report, File Nos. 1-8962 and 1-44732/23/2018
10.4(1)bPinnacle West APSOffer of Employment Letter dated July 19, 2018 between Pinnacle West and Robert E. Smith10.4.5 to Pinnacle West/APS 2019 Form 10-K Report, File Nos. 1-8962 and 1-44732/21/2020
10.4(2)bPinnacle West APSSupplemental Agreement dated October 17, 2018 between Pinnacle West and Robert E. Smith10.4.6 to Pinnacle West/APS 2019 Form 10-K Report, File Nos. 1-8962 and 1-44732/21/2020
10.4(3)bPinnacle West APSDiscretionary Credit Award Agreement dated June 19, 2019 between Pinnacle West and Theodore Geisler10.4.4 to Pinnacle West/APS 2020 Form 10-K Report, File Nos. 1-8962 and 1-44732/24/2021
10.4(8)bPinnacle West APSOffer of Employment Letter dated May 19, 2022 between APS and Adam Heflin10.4(8) to Pinnacle West/APS 2022 Form 10-K Report, File Nos. 1-8962 and 1-44732/27/2023
10.4(9)bPinnacle West APSDiscretionary Credit Award Agreement dated June 21, 2019 between APS and Jacob Tetlow10.4(9) to Pinnacle West/APS 2022 Form 10-K Report, File Nos. 1-8962 and 1-44732/27/2023
10.4(10)bPinnacle West APSFirst Amendment to Discretionary Credit Award Agreement dated February 21, 2021 between APS and Jacob Tetlow10.4(10) to Pinnacle West/APS 2022 Form 10-K Report, File Nos. 1-8962 and 1-44732/27/2023
10.5(1)bdPinnacle West APSKey Executive Employment and Severance Agreement between Pinnacle West and certain executive officers of Pinnacle West and its subsidiaries10.77bd to Pinnacle West/APS 2005 Form 10-K Report, File Nos. 1-8962 and 1-44733/13/2006
10.5(1)(a)bdPinnacle West APSForm of Amended and Restated Key Executive Employment and Severance Agreement between Pinnacle West and certain officers of Pinnacle West and its subsidiaries10.4 to Pinnacle West/APS September 30, 2007 Form 10-Q Report, File Nos. 1-8962 and 1-447311/6/2007
10.5(2)bdPinnacle West APSForm of Key Executive Employment and Severance Agreement between Pinnacle West and certain officers of Pinnacle West and its subsidiaries10.3 to Pinnacle West/APS September 30, 2007 Form 10-Q Report, File Nos. 1-8962 and 1-447311/6/2007
10.5(3)bdPinnacle West APSForm of Key Executive Employment and Severance Agreement between Pinnacle West and certain officers of Pinnacle West and its subsidiaries10.5.3 to Pinnacle West/APS 2009 Form 10-K Report, File Nos. 1-8962 and 1-44732/19/2010
10.5(4)bdPinnacle West APSForm of Key Executive Employment and Severance Agreement between Pinnacle West and certain officers of Pinnacle West and its subsidiaries10.5.4 to Pinnacle West/APS 2012 Form 10-K Report, File Nos. 1-8962 and 1-44732/22/2013
10.5(5)bdPinnacle West APSForm of Key Executive Employment and Severance Agreement between Pinnacle West and certain officers of Pinnacle West and its subsidiaries10.4 to Pinnacle West/APS June 30, 2021 Form 10-Q Report, File Nos. 1-8962 and 1-44738/5/2021
Exhibit No.Registrant(s)DescriptionPreviously Filed as Exhibit: aDate Filed
10.6(1)bPinnacle WestPinnacle West Capital Corporation 2007 Long-Term Incentive PlanAppendix B to the Proxy Statement for Pinnacle West’s 2007 Annual Meeting of Shareholders, File No. 1-89624/20/2007
10.6(1)(a)bPinnacle WestFirst Amendment to the Pinnacle West Capital Corporation 2007 Long-Term Incentive Plan10.2 to Pinnacle West/APS April 18, 2007 Form 8-K Report, File No. 1-89624/20/2007
10.6(1)(b)bdPinnacle West APSPerformance Share Agreement under the Pinnacle West Capital Corporation 2007 Long-Term Incentive Plan10.3 to Pinnacle West/APS March 31, 2009 Form 10-Q Report, File Nos. 1-8962 and 1-44735/5/2009
10.6(1)(c)bdPinnacle WestForm of Performance Share Agreement under the Pinnacle West Capital Corporation 2007 Long-Term Incentive Plan10.1 to Pinnacle West/APS June 30, 2010 Form 10-Q Report, File No. 1-89628/3/2010
10.6(1)(d)bdPinnacle WestForm of Restricted Stock Unit Agreement under the Pinnacle West Capital Corporation 2007 Long-Term Incentive Plan10.2 to Pinnacle West/APS June 30, 2010 Form 10-Q Report, File No. 1-89628/3/2010
10.6(1)(e)bdPinnacle WestForm of Performance Share Agreement under the Pinnacle West Capital Corporation 2007 Long-Term Incentive Plan10.4 to Pinnacle West/APS March 31, 2011 Form 10-Q Report, File No. 1-89624/29/2011
10.6(1)(f)bdPinnacle WestForm of Restricted Stock Unit Agreement under the Pinnacle West Capital Corporation 2007 Long-Term Incentive Plan10.5 to Pinnacle West/APS March 31, 2011 Form 10-Q Report, File No. 1-89624/29/2011
10.6(1)(g)bdPinnacle WestForm of Restricted Stock Unit Agreement under the Pinnacle West Capital Corporation 2007 Long-Term Incentive Plan (Supplemental 2010 Award)10.6 to Pinnacle West/APS March 31, 2011 Form 10-Q Report, File No. 1-89624/29/2011
10.6(2)bPinnacle WestDescription of Annual Stock Grants to Non-Employee Directors10.1 to Pinnacle West/APS September 30, 2007 Form 10-Q Report, File No. 1-896211/6/2007
10.6(3)bPinnacle WestDescription of Annual Stock Grants to Non-Employee Directors10.2 to Pinnacle West/APS June 30, 2008 Form 10-Q Report, File No. 1-89628/7/2008
10.6(4)bdPinnacle West APSSummary of 2025 Variable Incentive Plan and Officer Variable Incentive Plan
10.6(5)bPinnacle West APSPinnacle West Capital Corporation 2012 Long-Term Incentive PlanAppendix A to the Proxy Statement for Pinnacle West’s 2012 Annual Meeting of Shareholders, File No. 1-89623/29/2012
10.6(5)(a)bdPinnacle WestFirst Amendment to the Pinnacle West Capital Corporation 2012 Long-Term Incentive PlanAppendix A to the Proxy Statement for Pinnacle West’s 2017 Annual Meeting of Shareholders, File No. 1-89623/31/2017
10.6(5)(b)bdPinnacle WestForm of Performance Share Award Agreement under the Pinnacle West Capital Corporation 2012 Long-Term Incentive Plan10.1 to Pinnacle West/APS March 31, 2012 Form 10-Q Report, File Nos. 1-8962 and 1-44735/3/2012
Exhibit No.Registrant(s)DescriptionPreviously Filed as Exhibit: aDate Filed
10.6(5)(c)bdPinnacle WestForm of Restricted Stock Unit Award Agreement under the Pinnacle West Capital Corporation 2012 Long-Term Incentive Plan10.2 to Pinnacle West/APS March 31, 2012 Form 10-Q Report, File Nos. 1-8962 and 1-44735/3/2012
10.6(5)(d)bdPinnacle WestForm of Performance Share Award Agreement under the Pinnacle West Capital Corporation 2012 Long-Term Incentive Plan10.6.8c to Pinnacle West/APS 2013 Form 10-K Report, File Nos. 1-8962 and 1-44732/21/2014
10.6(5)(e)bdPinnacle WestForm of Restricted Stock Unit Award Agreement under the Pinnacle West Capital Corporation 2012 Long-Term Incentive Plan10.6.8d to Pinnacle West/APS 2013 Form 10-K Report, File Nos. 1-8962 and 1-44732/21/2014
10.6(5)(f)bdPinnacle WestForm of Performance Share Award Agreement under the Pinnacle West Capital Corporation 2012 Long-Term Incentive Plan10.6.6e to Pinnacle West/APS 2015 Form 10-K Report, File Nos. 1-8962 and 1-44732/19/2016
10.6(5)(g)bdPinnacle WestForm of Restricted Stock Unit Award Agreement under the Pinnacle West Capital Corporation 2012 Long-Term Incentive Plan10.6.6f to Pinnacle West/APS 2016 Form 10-K Report, File Nos. 1-8962 and 1-44732/24/2017
10.6(5)(h)bdPinnacle WestForm of Performance Share Award Agreement under the Pinnacle West Capital Corporation 2012 Long-Term Incentive Plan10.6.6g to Pinnacle West/APS 2016 Form 10-K Report, File Nos. 1-8962 and 1-44732/24/2017
10.6(5)(i)bdPinnacle WestForm of Restricted Stock Unit Award Agreement under the Pinnacle West Capital Corporation 2012 Long-Term Incentive Plan10.2 to Pinnacle West/APS March 31, 2019 Form 10-Q Report, File Nos. 1-8962 and 1-44735/1/2019
10.6(5)(j)bdPinnacle WestForm of Performance Share Award Agreement under the Pinnacle West Capital Corporation 2012 Long-Term Incentive Plan10.3 to Pinnacle West/APS March 31, 2019 Form 10-Q Report, File Nos. 1-8962 and 1-44735/1/2019
10.6(5)(k)bdPinnacle WestForm of Performance Share Award Agreement under the Pinnacle West Capital Corporation 2012 Long-Term Incentive Plan10.1 to Pinnacle West/APS March 31, 2020 Form 10-Q Report, File Nos. 1-8962 and 1-44735/8/2020
10.6(5)(l)bdPinnacle WestForm of Performance Share Award Agreement under the Pinnacle West Capital Corporation 2012 Long-Term Incentive Plan10.6.5k to Pinnacle West/APS 2020 Form 10-K Report, File Nos. 1-8962 and 1-44732/24/2021
10.6(5)(m)bdPinnacle WestForm of Performance Share Award Agreement under the Pinnacle West Capital Corporation 2012 Long-Term Incentive Plan10.6.5l to Pinnacle West/APS 2020 Form 10-K Report, File Nos. 1-8962 and 1-44732/24/2021
10.6(5)(n)bdPinnacle West APSPinnacle West Capital Corporation 2021 Long-Term Incentive PlanAppendix A to the Proxy Statement for Pinnacle West’s 2021 Annual Meeting of Shareholders, File No. 1-89624/01/2021
10.6(5)(o)bdPinnacle WestFirst Amendment to the Pinnacle West Capital Corporation 2021 Long-Term Incentive PlanAppendix A to the Proxy Statement for Pinnacle West’s 2022 Annual Meeting of Shareholders, File No. 1-89625/19/2023
Exhibit No.Registrant(s)DescriptionPreviously Filed as Exhibit: aDate Filed
10.6(5)(p)bdPinnacle WestForm of Restricted Stock Unit Award Agreement under the Pinnacle West Capital Corporation 2021 Long-Term Incentive Plan10.6.5n to Pinnacle West/APS 2020 Form 10-K Report, File Nos. 1-8962 and 1-44732/25/2022
10.6(5)(q)bdPinnacle WestForm of Restricted Stock Unit Award Agreement under the Pinnacle West Capital Corporation 2021 Long-Term Incentive Plan10.6.5o to Pinnacle West/APS 2020 Form 10-K Report, File Nos. 1-8962 and 1-44732/25/2022
10.6(5)(r)bdPinnacle WestForm of Performance Share Award Agreement under the Pinnacle West Capital Corporation 2021 Long-Term Incentive Plan10.6.5p to Pinnacle West/APS 2020 Form 10-K Report, File Nos. 1-8962 and 1-44732/25/2022
10.6(5)(s)bdPinnacle WestForm of Performance Share Award Agreement under the Pinnacle West Capital Corporation 2021 Long-Term Incentive Plan10.6.5q to Pinnacle West/APS 2020 Form 10-K Report, File Nos. 1-8962 and 1-44732/25/2022
10.6(5)(t)bdPinnacle WestForm of Performance Share Award Agreement under the Pinnacle West Capital Corporation 2021 Long-Term Incentive Plan10.6.5r to Pinnacle West/APS 2020 Form 10-K Report, File Nos. 1-8962 and 1-44732/25/2022
10.6(5)(u)bdPinnacle WestForm of Performance Share Award Agreement under the Pinnacle West Capital Corporation 2021 Long-Term Incentive Plan10.6.5s to Pinnacle West/APS 2020 Form 10-K Report, File Nos. 1-8962 and 1-44732/25/2022
10.6(5)(v)bdPinnacle WestMaster Amendment to Performance Share Agreements10.3 to Pinnacle West/APS March 31, 2012 Form 10-Q Report, File Nos. 1-8962 and 1-44735/3/2012
10.6(5)(w)bdPinnacle WestMaster Amendment to Restricted Stock Unit Agreements10.4 to Pinnacle West/APS March 31, 2012 Form 10-Q Report, File Nos. 1-8962 and 1-44735/3/2012
10.7(1)Pinnacle West APSIndenture of Lease with Navajo Tribe of Indians, Four Corners Plant5.01 to APS’s Form S-7 Registration Statement, File No. 2-596449/1/1977
10.7(1)(a)Pinnacle West APSSupplemental and Additional Indenture of Lease, including amendments and supplements to original lease with Navajo Tribe of Indians, Four Corners Plant5.02 to APS’s Form S-7 Registration Statement, File No. 2-596449/1/1977
10.7(1)(b)Pinnacle West APSAmendment and Supplement No. 1 to Supplemental and Additional Indenture of Lease Four Corners, dated April 25, 198510.36 to Pinnacle West’s Registration Statement on Form 8-B Report, File No. 1-897/25/1985
10.7(1)(c)Pinnacle West APSAmendment and Supplement No. 2 to Supplemental and Additional Indenture of Lease with the Navajo Nation dated March 7, 201110.1 to Pinnacle West/APS March 31, 2011 Form 10-Q Report, File Nos. 1-8962 and 1-44734/29/2011
10.7(1)(d)Pinnacle West APSAmendment and Supplement No. 3 to Supplemental and Additional Indenture of Lease with the Navajo Nation dated March 7, 201110.2 to Pinnacle West/APS March 31, 2011 Form 10-Q Report, File Nos. 1-8962 and 1-44734/29/2011
10.7(2)Pinnacle West APSApplication and Grant of multi-party rights-of-way and easements, Four Corners Plant Site5.04 to APS’s Form S-7 Registration Statement, File No. 2-596449/1/1977
Exhibit No.Registrant(s)DescriptionPreviously Filed as Exhibit: aDate Filed
10.7(2)(a)Pinnacle West APSApplication and Amendment No. 1 to Grant of multi-party rights-of-way and easements, Four Corners Site dated April 25, 198510.37 to Pinnacle West’s Registration Statement on Form 8-B, File No. 1-89627/25/1985
10.7(3)Pinnacle West APSApplication and Grant of APS rights- of-way and easements, Four Corners Site5.05 to APS’s Form S-7 Registration Statement, File No. 2-596449/1/1977
10.7(3)(a)Pinnacle West APSApplication and Amendment No. 1 to Grant of APS rights-of-way and easements, Four Corners Site dated April 25, 198510.38 to Pinnacle West’s Registration Statement on Form 8-B, File No. 1-89627/25/1985
10.7(4)Pinnacle West APSFour Corners Project Co-Tenancy Agreement, conformed copy up through and including Amendment No. 11, dated June 30, 2018, among APS, Public Service Company of New Mexico, SRP, Tucson Electric Power Company and Navajo Transitional Energy Company, LLC10.7.4c to Pinnacle West/APS June 30, 2018 Form 10-Q Report, File Nos. 1-8962 and 1-44738/3/2018
10.7(4)(a)Pinnacle West APSFour Corners Project Co-Tenancy Agreement, conformed copy up through and including Amendment No. 13, dated June 25, 2021, among APS, Public Service Company of New Mexico, SRP, Tucson Electric Power Company and Navajo10.5 to Pinnacle West/APS June 30, 2021 Form 10-Q Report, File Nos. 1-8962 and 1-44738/5/2021
10.8(1)Pinnacle West APSIndenture of Lease, Navajo Units 1, 2, and 35(g) to APS’s Form S-7 Registration Statement, File No. 2-365053/23/1970
10.8(2)Pinnacle West APSApplication of Grant of rights-of-way and easements, Navajo Plant5(h) to APS Form S-7 Registration Statement, File No. 2-365053/23/1970
10.8(3)Pinnacle West APSWater Service Contract Assignment with the United States Department of Interior, Bureau of Reclamation, Navajo Plant5(l) to APS’s Form S-7 Registration Statement, File No. 2-3944423/16/1971
10.8(4)Pinnacle West APSNavajo Project Co-Tenancy Agreement dated as of March 23, 1976, and Supplement No. 1 thereto dated as of October 18, 1976, Amendment No. 1 dated as of July 5, 1988, and Amendment No. 2 dated as of June 14, 1996; Amendment No. 3 dated as of February 11, 1997; Amendment No. 4 dated as of January 21, 1997; Amendment No. 5 dated as of January 23, 1998; Amendment No. 6 dated as of July 31, 199810.107 to Pinnacle West/APS 2005 Form 10-K Report, File Nos. 1-8962 and 1-44733/13/2006
10.8(5)Pinnacle West APSNavajo Project Participation Agreement dated as of September 30, 1969, and Amendment and Supplement No. 1 dated as of January 16, 1970, and Coordinating Committee Agreement No. 1 dated as of September 30, 197110.108 to Pinnacle West/APS 2005 Form 10-K Report, File Nos. 1-8962 and 1-44733/13/2006
Exhibit No.Registrant(s)DescriptionPreviously Filed as Exhibit: aDate Filed
10.9(1)Pinnacle West APSArizona Nuclear Power Project (“ANPP”) Participation Agreement, dated August 23, 1973, among APS, SRP, SCE, Public Service Company of New Mexico, El Paso Electric Company, Southern California Public Power Authority, and Department of Water and Power of the City of Los Angeles, and amendments 1-12 thereto10.1 to APS’s 1988 Form 10-K Report, File No. 1-44733/8/1989
10.9(1)(a)Pinnacle West APSAmendment No. 13, dated as of April 22, 1991, to ANPP Participation Agreement, dated August 23, 1973, among APS, SRP, SCE, Public Service Company of New Mexico, El Paso Electric Company, Southern California Public Power Authority, and Department of Water and Power of the City of Los Angeles10.1 to APS’s March 31, 1991 Form 10-Q Report, File No. 1-44735/15/1991
10.9(1)(b)Pinnacle West APSAmendment No. 14 to ANPP Participation Agreement, dated August 23, 1973, among APS, SRP, SCE, Public Service Company of New Mexico, El Paso Electric Company, Southern California Public Power Authority, and Department of Water and Power of the City of Los Angeles99.1 to Pinnacle West’s June 30, 2000 Form 10-Q Report, File No. 1-89628/14/2000
10.9(1)(c)Pinnacle West APSAmendment No. 15, dated November 29, 2010, to ANPP Participation Agreement, dated August 23, 1973, among APS, SRP, SCE, Public Service Company of New Mexico, El Paso Electric Company, Southern California Public Power Authority, and Department of Water and Power of the City of Los Angeles10.9.1c to Pinnacle West/APS 2010 Form 10-K Report, File Nos. 1-8962 and 1-44732/18/2011
10.9(1)(d)Pinnacle West APSAmendment No. 16, dated April 28, 2014, to ANPP Participation Agreement, dated August 23, 1973, among APS, SRP, SCE, Public Service Company of New Mexico, El Paso Electric Company, Southern California Public Power Authority, and Department of Water and Power of the City of Los Angeles10.2 to Pinnacle West/APS March 31, 2014 Form 10-Q Report, File Nos. 1-8962 and 1-44735/2/2014
10.10(1)Pinnacle West APSAsset Purchase and Power Exchange Agreement dated September 21, 1990 between APS and PacifiCorp, as amended as of October 11, 1990 and as of July 18, 199110.1 to APS’s June 30, 1991 Form 10-Q Report, File No. 1-44738/8/1991
10.10(2)Pinnacle West APSLong-Term Power Transaction Agreement dated September 21, 1990 between APS and PacifiCorp, as amended as of October 11, 1990, and as of July 8, 199110.2 to APS’s June 30, 1991 Form 10-Q Report, File No. 1-44738/8/1991
Exhibit No.Registrant(s)DescriptionPreviously Filed as Exhibit: aDate Filed
10.10(2)(a)Pinnacle West APSAmendment No. 1 dated April 5, 1995 to the Long-Term Power Transaction Agreement and Asset Purchase and Power Exchange Agreement between PacifiCorp and APS10.3 to APS’s 1995 Form 10-K Report, File No. 1-44733/29/1996
10.10(3)Pinnacle West APSRestated Transmission Agreement between PacifiCorp and APS dated April 5, 199510.4 to APS’s 1995 Form 10-K Report, File No. 1-44733/29/1996
10.10(4)Pinnacle West APSReciprocal Transmission Service Agreement between APS and PacifiCorp dated as of March 2, 199410.6 to APS’s 1995 Form 10-K Report, File No. 1-44733/29/1996
10.11(1)Pinnacle WestSecond Amended and Restated Five-Year Credit Agreements dated as of April 10, 2023, among Pinnacle West, as Borrower, Barclays Bank PLC, as Agent, Co-Sustainability Structuring Agent and Issuing Bank, and the lenders and other parties thereto10.1 to Pinnacle West/APS April 10, 2023 Form 8-K Report, File No. 1-89624/10/2023
10.11(1)(a)Pinnacle WestAmendment No. 1 to the Second Amended and Restated Five-Year Credit Agreement, dated as of April 10, 2023, among Pinnacle West, as Borrower, Barclays Bank PLC, as Agent, Co-Sustainability Structuring Agent and Issuing Bank, and the lenders and other parties thereto10.1 to Pinnacle West/APS August 2, 2024 Form 8-K Report, File Nos. 1-8962 and 1-44738/2/2024
10.11(2)Pinnacle West APSFive-Year Credit Agreement dated as of April 10, 2023, among APS, as Borrower, Barclays Bank PLC, as Agent, Co-Sustainability Structuring Agent and Issuing Bank, and the lenders and other parties thereto10.2 to Pinnacle West/APS April 10, 2023 Form 8-K Report, File No. 1-89624/10/2023
10.11(2)(a)APSAmendment No. 1 to the Five-Year Credit Agreement, dated as of April 10, 2023, among APS, as Borrower, Barclays Bank PLC, as Agent, Co-Sustainability Structuring Agent and Issuing Bank, and the lenders and other parties thereto10.2 to Pinnacle West/APS August 2, 2024 Form 8-K Report, File Nos. 1-8962 and 1-44738/2/2024
10.12(1)cPinnacle West APSFacility Lease, dated as of August 1, 1986, between U.S. Bank National Association, successor to State Street Bank and Trust Company, as successor to The First National Bank of Boston, in its capacity as Owner Trustee, as Lessor, and APS, as Lessee4.3 to APS’s Form 18 Registration Statement, File No. 33-948010/24/1986
Exhibit No.Registrant(s)DescriptionPreviously Filed as Exhibit: aDate Filed
10.12(1)(a)cPinnacle West APSAmendment No. 1, dated as of November 1, 1986, to Facility Lease, dated as of August 1, 1986, between U.S. Bank National Association, successor to State Street Bank and Trust Company, as successor to The First National Bank of Boston, in its capacity as Owner Trustee, as Lessor, and APS, as Lessee10.5 to APS’s September 30, 1986 Form 10-Q Report by means of Amendment No. 1 on December 3, 1986 Form 8, File No. 1-447312/4/1986
10.12(1)(b)cPinnacle West APSAmendment No. 2 dated as of June 1, 1987 to Facility Lease dated as of August 1, 1986 between U.S. Bank National Association, successor to State Street Bank and Trust Company, as successor to The First National Bank of Boston, as Lessor, and APS, as Lessee10.3 to APS’s 1988 Form 10-K Report, File No. 1-44733/8/1989
10.12(1)(c)cPinnacle West APSAmendment No. 3, dated as of March 17, 1993, to Facility Lease, dated as of August 1, 1986, between U.S. Bank National Association, successor to State Street Bank and Trust Company, as successor to The First National Bank of Boston, as Lessor, and APS, as Lessee10.3 to APS’s 1992 Form 10-K Report, File No. 1-44733/30/1993
10.12(1)(d)cPinnacle West APSAmendment No. 4, dated as of September 30, 2015, to Facility Lease, dated as of August 1, 1986, between U.S. Bank National Association, successor to State Street Bank and Trust Company, as successor to The First National Bank of Boston, as Owner Trustee under a Trust Agreement with Emerson Finance LLC, as Lessor, and APS, as Lessee10.2 to Pinnacle West/APS September 30, 2015 Form 10-Q Report, File Nos. 1-8962 and 1-447310/30/2015
10.12(1)(e)cPinnacle West APSAmendment No. 3, dated as of September 30, 2015, to Facility Lease, dated as of August 1, 1986, between U.S. Bank National Association, successor to State Street Bank and Trust Company, as successor to The First National Bank of Boston, as Owner Trustee under a Trust Agreement with Security Pacific Capital Leasing Corporation, as Lessor, and APS, as Lessee10.3 to Pinnacle West/APS September 30, 2015 Form 10-Q Report, File Nos. 1-8962 and 1-447310/30/2015
10.12(2)Pinnacle West APSFacility Lease, dated as of December 15, 1986, between U.S. Bank National Association, successor to State Street Bank and Trust Company, as successor to The First National Bank of Boston, in its capacity as Owner Trustee, as Lessor, and APS, as Lessee10.1 to APS’s November 18, 1986 Form 8-K Report, File No. 1-44731/20/1987
Exhibit No.Registrant(s)DescriptionPreviously Filed as Exhibit: aDate Filed
10.12(2)(a)Pinnacle West APSAmendment No. 1, dated as of August 1, 1987, to Facility Lease, dated as of December 15, 1986, between U.S. Bank National Association, successor to State Street Bank and Trust Company, as successor to The First National Bank of Boston, as Lessor, and APS, as Lessee4.13 to APS’s Form 18 Registration Statement No. 33-9480 by means of August 1, 1987 Form 8-K Report, File No. 1-44738/24/1987
10.12(2)(b)Pinnacle West APSAmendment No. 2, dated as of March 17, 1993, to Facility Lease, dated as of December 15, 1986, between U.S. Bank National Association, successor to State Street Bank and Trust Company, as successor to The First National Bank of Boston, as Lessor, and APS, as Lessee10.4 to APS’s 1992 Form 10-K Report, File No. 1-44733/30/1993
10.12(2)(c)Pinnacle West APSAmendment No. 3, dated July 10, 2014, to Facility Lease, dated as of December 15, 1986, between U.S. Bank National Association, successor to State Street Bank and Trust Company, as successor to the First National Bank of Boston, as Lessor, and APS, as Lessee10.2 to Pinnacle West/APS June 30, 2014 Form 10-Q Report, File Nos. 1-8962 and 1-44737/31/2014
10.12(2)(d)Pinnacle West APSAmendment No. 4, dated April 1, 2021, to Facility Lease, dated as of December 15, 1986, between U.S. Bank National Association, successor to State Street Bank and Trust Company, as successor to the First National Bank of Boston, as Lessor, and APS, as Lessee10.1 to Pinnacle West/APS March 31, 2021 Form 10-Q Report, File Nos. 1-8962 and 1-44735/5/2021
10.13(1)Pinnacle West APSAgreement between Pinnacle West Energy Corporation and APS for Transportation and Treatment of Effluent by and between Pinnacle West Energy Corporation and APS dated as of the 10th day of April, 200110.102 to Pinnacle West/APS 2004 Form 10-K Report, File Nos. 1-8962 and 1-44733/16/2005
10.13(2)Pinnacle West APSAgreement for the Transfer and Use of Wastewater and Effluent by and between APS, SRP and PWE dated June 1, 200110.103 to Pinnacle West/APS 2004 Form 10-K Report, File Nos. 1-8962 and 1-44733/16/2005
10.13(3)Pinnacle West APSAgreement for the Sale and Purchase of Wastewater Effluent dated November 13, 2000, by and between the City of Tolleson, Arizona, APS and SRP10.104 to Pinnacle West/APS 2004 Form 10-K Report, File Nos. 1-8962 and 1-44733/16/2005
10.13(4)Pinnacle West APSOperating Agreement for the Co-Ownership of Wastewater Effluent dated November 16, 2000 by and between APS and SRP10.105 to Pinnacle West/APS 2004 Form 10-K Report, File Nos. 1-8962 and 1-44733/16/2005
Exhibit No.Registrant(s)DescriptionPreviously Filed as Exhibit: aDate Filed
10.13(5)Pinnacle West APSMunicipal Effluent Purchase and Sale Agreement dated April 29, 2010, by and between City of Phoenix, City of Mesa, City of Tempe, City of Scottsdale, City of Glendale, APS and SRP10.1 to Pinnacle West/APS March 31, 2010 Form 10-Q Report, File Nos. 1-8962 and 1-44735/6/2010
10.14(1)Pinnacle West APSContract, dated July 21, 1984, with DOE providing for the disposal of nuclear fuel and/or high-level radioactive waste, ANPP10.31 to Pinnacle West’s Form S-14 Registration Statement, File No. 2-963863/13/1985
10.15(1)Pinnacle West APSTerritorial Agreement between APS and SRP10.1 to APS’s March 31, 1998 Form 10-Q Report, File No. 1-44735/15/1998
10.15(2)Pinnacle West APSPower Coordination Agreement between APS and SRP10.2 to APS’s March 31, 1998 Form 10-Q Report, File No. 1-44735/15/1998
10.15(3)Pinnacle West APSMemorandum of Agreement between APS and SRP10.3 to APS’s March 31, 1998 Form 10-Q Report, File No. 1-44735/15/1998
10.15(3)(a)Pinnacle West APSAddendum to Memorandum of Agreement between APS and SRP dated as of May 19, 199810.2 to APS’s May 19, 1998 Form 8-K Report, File No. 1-44736/26/1998
10.16(1)Pinnacle WestForward Sale Agreement, dated February 28, 2024, between Pinnacle West and Wells Fargo Bank, National Association10.1 to Pinnacle West February 28, 2024 Form 8-K Report, File No. 1-89623/4/2024
10.16(2)Pinnacle WestAdditional Forward Sale Agreement, dated February 28, 2024, between Pinnacle West and Wells Fargo Bank, National Association10.2 to Pinnacle West February 28, 2024 Form 8-K Report, File No. 1-89623/4/2024
10.17(1)Pinnacle WestForward Sale Agreement, dated February 28, 2024, between Pinnacle West and Mizuho Markets Americas LLC (with Mizuho Securities USA LLC acting as its agent)10.3 to Pinnacle West February 28, 2024 Form 8-K Report, File No. 1-89623/4/2024
10.17(2)Pinnacle WestAdditional Forward Sale Agreement, dated February 28, 2024, between Pinnacle West and Mizuho Markets Americas LLC (with Mizuho Securities USA LLC acting as its agent)10.4 to Pinnacle West February 28, 2024 Form 8-K Report, File No. 1-89623/4/2024
19.1Pinnacle WestSecurities Trading Policy of Pinnacle West
21.1Pinnacle WestSubsidiaries of Pinnacle West
23.1Pinnacle WestConsent of Deloitte & Touche LLP
23.2APSConsent of Deloitte & Touche LLP
31.1Pinnacle WestCertificate of Jeffrey B. Guldner, Chief Executive Officer, pursuant to Rule 13a-14(a) and Rule 15d-14(a) of the Securities Exchange Act, as amended
Exhibit No.Registrant(s)DescriptionPreviously Filed as Exhibit: aDate Filed
31.2Pinnacle WestCertificate of Andrew Cooper, Chief Financial Officer, pursuant to Rule 13a-14(a) and Rule 15d-14(a) of the Securities Exchange Act, as amended
31.3APSCertificate of Jeffrey B. Guldner, Chief Executive Officer, pursuant to Rule 13a-14(a) and Rule 15d-14(a) of the Securities Exchange Act, as amended
31.4APSCertificate of Andrew Cooper, Chief Financial Officer, pursuant to Rule 13a-14(a) and Rule 15d-14(a) of the Securities Exchange Act, as amended
32.1ePinnacle WestCertification of Chief Executive Officer and Chief Financial Officer, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
32.2eAPSCertification of Chief Executive Officer and Chief Financial Officer, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
97Pinnacle WestPolicy Relating to Recovery of Erroneously Awarded Compensation97 to Pinnacle West/APS 2023 Form 10-K Report, File Nos. 1-8962 and 1-44732/27/2024
99.1cPinnacle West APSParticipation Agreement, dated as of August 1, 1986, among PVGS Funding Corp., Inc., Bank of America National Trust and Savings Association, State Street Bank and Trust Company, as successor to The First National Bank of Boston, in its individual capacity and as Owner Trustee, Chemical Bank, in its individual capacity and as Indenture Trustee, APS, and the Equity Participant named therein28.1 to APS’s September 30, 1992 Form 10-Q Report, File No. 1-447311/9/1992
99.1(a)cPinnacle West APSAmendment No. 1 dated as of November 1, 1986, to Participation Agreement, dated as of August 1, 1986, among PVGS Funding Corp., Inc., Bank of America National Trust and Savings Association, State Street Bank and Trust Company, as successor to The First National Bank of Boston, in its individual capacity and as Owner Trustee, Chemical Bank, in its individual capacity and as Indenture Trustee, APS, and the Equity Participant named therein10.8 to APS’s September 30, 1986 Form 10-Q Report by means of Amendment No. 1, on December 3, 1986 Form 8, File No. 1-447312/4/1986
Exhibit No.Registrant(s)DescriptionPreviously Filed as Exhibit: aDate Filed
99.1(b)cPinnacle West APSAmendment No. 2, dated as of March 17, 1993, to Participation Agreement, dated as of August 1, 1986, among PVGS Funding Corp., Inc., PVGS II Funding Corp., Inc., State Street Bank and Trust Company, as successor to The First National Bank of Boston, in its individual capacity and as Owner Trustee, Chemical Bank, in its individual capacity and as Indenture Trustee, APS, and the Equity Participant named therein28.4 to APS’s 1992 Form 10-K Report, File No. 1-44733/30/1993
99.2cPinnacle West APSTrust Indenture, Mortgage, Security Agreement and Assignment of Facility Lease, dated as of August 1, 1986, between State Street Bank and Trust Company, as successor to The First National Bank of Boston, as Owner Trustee, and Chemical Bank, as Indenture Trustee4.5 to APS’s Form 18 Registration Statement, File No. 33-948010/24/1986
99.2(a)cPinnacle West APSSupplemental Indenture No. 1, dated as of November 1, 1986 to Trust Indenture, Mortgage, Security Agreement and Assignment of Facility Lease, dated as of August 1, 1986, between State Street Bank and Trust Company, as successor to The First National Bank of Boston, as Owner Trustee, and Chemical Bank, as Indenture Trustee10.6 to APS’s September 30, 1986 Form 10-Q Report by means of Amendment No. 1 on December 3, 1986 Form 8, File No. 1-447312/4/1986
99.2(b)cPinnacle West APSSupplemental Indenture No. 2 to Trust Indenture, Mortgage, Security Agreement and Assignment of Facility Lease, dated as of August 1, 1986, between State Street Bank and Trust Company, as successor to The First National Bank of Boston, as Owner Trustee, and Chemical Bank, as Lease Indenture Trustee4.4 to APS’s 1992 Form 10-K Report, File No. 1-44733/30/1993
99.3cPinnacle West APSAssignment, Assumption and Further Agreement, dated as of August 1, 1986, between APS and State Street Bank and Trust Company, as successor to The First National Bank of Boston, as Owner Trustee28.3 to APS’s Form 18 Registration Statement, File No. 33-948010/24/1986
99.3(a)cPinnacle West APSAmendment No. 1, dated as of November 1, 1986, to Assignment, Assumption and Further Agreement, dated as of August 1, 1986, between APS and State Street Bank and Trust Company, as successor to The First National Bank of Boston, as Owner Trustee10.10 to APS’s September 30, 1986 Form 10-Q Report by means of Amendment No. l on December 3, 1986 Form 8, File No. 1-447312/4/1986
Exhibit No.Registrant(s)DescriptionPreviously Filed as Exhibit: aDate Filed
99.3(b)cPinnacle West APSAmendment No. 2, dated as of March 17, 1993, to Assignment, Assumption and Further Agreement, dated as of August 1, 1986, between APS and State Street Bank and Trust Company, as successor to The First National Bank of Boston, as Owner Trustee28.6 to APS’s 1992 Form 10-K Report, File No. 1-44733/30/1993
99.4Pinnacle West APSParticipation Agreement, dated as of December 15, 1986, among PVGS Funding Report Corp., Inc., State Street Bank and Trust Company, as successor to The First National Bank of Boston, in its individual capacity and as Owner Trustee, Chemical Bank, in its individual capacity and as Indenture Trustee under a Trust Indenture, APS, and the Owner Participant named therein28.2 to APS’s September 30, 1992 Form 10-Q Report, File No. 1-447311/9/1992
99.4(a)Pinnacle West APSAmendment No. 1, dated as of August 1, 1987, to Participation Agreement, dated as of December 15, 1986, among PVGS Funding Corp., Inc. as Funding Corporation, State Street Bank and Trust Company, as successor to The First National Bank of Boston, as Owner Trustee, Chemical Bank, as Indenture Trustee, APS, and the Owner Participant named therein28.20 to APS’s Form 18 Registration Statement No. 33-9480 by means of a November 6, 1986 Form 8-K Report, File No. 1-44738/10/1987
99.4(b)Pinnacle West APSAmendment No. 2, dated as of March 17, 1993, to Participation Agreement, dated as of December 15, 1986, among PVGS Funding Corp., Inc., PVGS II Funding Corp., Inc., State Street Bank and Trust Company, as successor to The First National Bank of Boston, in its individual capacity and as Owner Trustee, Chemical Bank, in its individual capacity and as Indenture Trustee, APS, and the Owner Participant named therein28.5 to APS’s 1992 Form 10-K Report, File No. 1-44733/30/1993
99.5Pinnacle West APSTrust Indenture, Mortgage Security Agreement and Assignment of Facility Lease, dated as of December 15, 1986, between State Street Bank and Trust Company, as successor to The First National Bank of Boston, as Owner Trustee, and Chemical Bank, as Indenture Trustee10.2 to APS’s November 18, 1986 Form 10-K Report, File No. 1-44731/20/1987
99.5(a)Pinnacle West APSSupplemental Indenture No. 1, dated as of August 1, 1987, to Trust Indenture, Mortgage, Security Agreement and Assignment of Facility Lease, dated as of December 15, 1986, between State Street Bank and Trust Company, as successor to The First National Bank of Boston, as Owner Trustee, and Chemical Bank, as Indenture Trustee4.13 to APS’s Form 18 Registration Statement No. 33-9480 by means of August 1, 1987 Form 8-K Report, File No. 1-44738/24/1987
Exhibit No.Registrant(s)DescriptionPreviously Filed as Exhibit: aDate Filed
99.5(b)Pinnacle West APSSupplemental Indenture No. 2 to Trust Indenture Mortgage, Security Agreement and Assignment of Facility Lease, dated as of December 15, 1986, between State Street Bank and Trust Company, as successor to The First National Bank of Boston, as Owner Trustee, and Chemical Bank, as Lease Indenture Trustee4.5 to APS’s 1992 Form 10-K Report, File No. 1-44733/30/1993
99.6Pinnacle West APSAssignment, Assumption and Further Agreement, dated as of December 15, 1986, between APS and State Street Bank and Trust Company, as successor to The First National Bank of Boston, as Owner Trustee10.5 to APS’s November 18, 1986 Form 8-K Report, File No. 1-44731/20/1987
99.6(a)Pinnacle West APSAmendment No. 1, dated as of March 17, 1993, to Assignment, Assumption and Further Agreement, dated as of December 15, 1986, between APS and State Street Bank and Trust Company, as successor to The First National Bank of Boston, as Owner Trustee28.7 to APS’s 1992 Form 10-K Report, File No. 1-44733/30/1993
99.7cPinnacle West APSIndemnity Agreement dated as of March 17, 1993 by APS28.3 to APS’s 1992 Form 10-K Report, File No. 1-44733/30/1993
99.8Pinnacle West APSExtension Letter, dated as of August 13, 1987, from the signatories of the Participation Agreement to Chemical Bank28.20 to APS’s Form 18 Registration Statement No. 33-9480 by means of a November 6, 1986 Form 8-K Report, File No. 1-44738/10/1987
101.SCHPinnacle West APSXBRL Taxonomy Extension Schema Document
101.CALPinnacle West APSXBRL Taxonomy Extension Calculation Linkbase Document
101.LABPinnacle West APSXBRL Taxonomy Extension Label Linkbase Document
101.PREPinnacle West APSXBRL Taxonomy Extension Presentation Linkbase Document
101.DEFPinnacle West APSXBRL Taxonomy Definition Linkbase Document
104Pinnacle West APSThe Cover Page Interactive Data File (formatted as Inline iXBRL and contained in Exhibit 101)

aReports filed under File No. 1-4473 and 1-8962 were filed in the office of the SEC located in Washington, D.C.

bManagement contract or compensatory plan or arrangement to be filed as an exhibit pursuant to Item 15(b) of Form 10-K.

cAn additional document, substantially identical in all material respects to this Exhibit, has been entered into, relating to an additional Equity Participant. Although such additional document may differ in other respects (such as dollar amounts, percentages, tax indemnity matters, and dates of execution), there are no material details in which such document differs from this Exhibit.

dAdditional agreements, substantially identical in all material respects to this Exhibit have been entered into with additional persons. Although such additional documents may differ in other respects (such as dollar amounts and dates of execution), there are no material details in which such agreements differ from this Exhibit.

eFurnished herewith as an Exhibit.

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