ARIZONA PUBLIC SERVICE CO
For the period ended Dec 31, 2025. Filed Feb 25, 2026.
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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.
FY2025 · Filed Feb 25, 2026
PNW$105.96+0.7%Stored close · as of Nov 10, 2026
Extracted filing text, with the paragraph anchors used by the comparison.
See the whole filing, with its images and exhibitsContents
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) | Description | Previously Filed as Exhibit: | Date Filed |
| 3.1 | Pinnacle West | Articles of Incorporation, restated as of May 22, 2025 | 3.1 to Pinnacle West/APS June 30, 2025 Form 10-Q Report | 8/6/2025 |
| 3.2 | Pinnacle West | Pinnacle West Capital Corporation Bylaws, amended as of February 19, 2020 | 3.1 to Pinnacle West/APS February 25, 2020 Form 8-K Report | 2/25/2020 |
| 3.3 | APS | APS Articles of Incorporation, restated as of May 16, 2012 | 3.3 to Pinnacle West/APS June 30, 2025 Form 10-Q Report | 8/6/1993 |
| 3.4 | APS | APS Bylaws, amended as of December 16, 2008 | 3.4 to Pinnacle West/APS 2008 Form 10-K Report | 2/20/2009 |
| 4.1 | Pinnacle West | Specimen Certificate of Pinnacle West Capital Corporation Common Stock, no par value | 4.1 to Pinnacle West June 20, 2017 Form 8-K Report | 6/20/2017 |
| 4.2 | Pinnacle West | Indenture dated as of December 1, 2000 between the Company and The Bank of New York, as Trustee, relating to Senior Unsecured Debt Securities | 4.1 to Pinnacle West’s Registration Statement No. 333-52476 | 12/21/2000 |
| 4.2(a) | Pinnacle West | Fifth Supplemental Indenture dated as of June 10, 2024 | 4.1 to Pinnacle West June 5, 2024 Form 8-K Report | 6/10/2024 |
| 4.2(b) | Pinnacle West | Sixth Supplemental Indenture dated as of May 15, 2025 | 4.1 to Pinnacle West May 15, 2025 Form 8-K Report | 5/15/2025 |
| 4.3 | Pinnacle WestAPS | Indenture 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 Trustee | 4.10 to APS’s Registration Statement Nos. 333-15379 and 333-27551 by means of APS January 13, 1998 Form 8-K Report | 1/16/1998 |
| 4.3(a) | Pinnacle WestAPS | Seventh Supplemental Indenture dated as of May 1, 2003 | 4.1 to APS’s Registration Statement No. 333-90824 by means of APS May 7, 2003 Form 8-K Report | 5/9/2003 |
| 4.3(b) | Pinnacle WestAPS | Ninth Supplemental Indenture dated as of August 15, 2005 | 4.1 to APS’s Registration Statements Nos. 333-106772 and 333-121512 by means of APS August 17, 2005 Form 8-K Report | 8/22/2005 |
| 4.3(c) | APS | Tenth Supplemental Indenture dated as of August 1, 2006 | 4.1 to APS July 31, 2006 Form 8-K Report | 8/3/2006 |
| Exhibit No. | Registrant(s) | Description | Previously Filed as Exhibit: | Date Filed |
| 4.3(d) | Pinnacle WestAPS | Twelfth Supplemental Indenture dated as of August 25, 2011 | 4.6f to Pinnacle West/APS 2014 Form 10-K Report | 2/20/2015 |
| 4.3(e) | Pinnacle WestAPS | Thirteenth Supplemental Indenture dated as of January 13, 2012 | 4.6g to Pinnacle West/APS 2014 Form 10-K Report | 2/20/2015 |
| 4.3(f) | Pinnacle WestAPS | Fourteenth Supplemental Indenture dated as of January 10, 2014 | 4.6h to Pinnacle West/APS 2014 Form 10-K Report | 2/20/2015 |
| 4.3(g) | Pinnacle WestAPS | Eighteenth Supplemental Indenture dated as of November 6, 2015 | 4.1 to Pinnacle West/APS November 3, 2015 Form 8-K Report | 11/6/2015 |
| 4.3(h) | Pinnacle WestAPS | Nineteenth Supplemental Indenture dated as of May 6, 2016 | 4.1 to Pinnacle West/APS May 3, 2016 Form 8-K Report | 5/6/2016 |
| 4.3(i) | Pinnacle WestAPS | Twentieth Supplemental Indenture dated as of September 20, 2016 | 4.1 to Pinnacle West/APS September 15, 2016 Form 8-K Report | 9/20/2016 |
| 4.3(j) | Pinnacle WestAPS | Twenty-First Supplemental Indenture dated as of September 11, 2017 | 4.1 to Pinnacle West/APS September 11, 2017 Form 8-K Report | 9/11/2017 |
| 4.3(k) | Pinnacle WestAPS | Twenty-Second Supplemental Indenture dated as of August 9, 2018 | 4.1 to Pinnacle West/APS August 9, 2018 Form 8-K Report | 8/9/2018 |
| 4.3(l) | Pinnacle WestAPS | Twenty-Third Supplemental Indenture dated as of February 28, 2019 | 4.1 to Pinnacle West/APS February 28, 2019 Form 8-K Report | 2/28/2019 |
| 4.3(m) | Pinnacle WestAPS | Twenty-Fourth Supplemental Indenture dated as of August 19, 2019 | 4.1 to Pinnacle West/APS August 16, 2019 Form 8-K Report | 8/16/2019 |
| 4.3(n) | Pinnacle WestAPS | Twenty-Fifth Supplemental Indenture dated as of November 20, 2019 | 4.1 to Pinnacle West/APS November 20, 2019 Form 8-K Report | 11/20/2019 |
| 4.3(o) | Pinnacle WestAPS | Twenty-Sixth Supplemental Indenture dated as of May 22, 2020 | 4.1 to Pinnacle West/APS May 22, 2020 Form 8-K Report | 5/22/2020 |
| 4.3(p) | Pinnacle WestAPS | Twenty-Seventh Supplemental Indenture dated as of September 11, 2020 | 4.1 to Pinnacle West/APS September 11, 2020 Form 8-K Report | 9/11/2020 |
| 4.3(q) | Pinnacle WestAPS | Twenty-Eighth Supplemental Indenture dated as of August 16, 2021 | 4.1 to Pinnacle West/APS August 16, 2021 Form 8-K Report | 8/16/2021 |
| 4.3(r) | Pinnacle WestAPS | Twenty-Ninth Supplemental Indenture dated as of November 8, 2022 | 4.1 to Pinnacle West/APS November 8, 2022 Form 8-K Report | 11/8/2022 |
| 4.3(s) | Pinnacle WestAPS | Thirtieth Supplemental Indenture dated as of June 30, 2023 | 4.1 to Pinnacle West/APS June 30, 2023 Form 8-K Report | 6/30/2023 |
| 4.3(t) | Pinnacle WestAPS | Thirty-First Supplemental Indenture dated as of May 9, 2024 | 4.1 to Pinnacle West/APS May 9, 2024 Form 8-K Report | 5/9/2024 |
| 4.3(u) | Pinnacle WestAPS | Thirty-Second Supplemental Indenture Dated as of August 15, 2025 | 4.2 to Pinnacle West/APS August 15, 2025 Form 8-K Report | 8/15/2025 |
| 4.4 | Pinnacle West | Third Amended and Restated Pinnacle West Capital Corporation Investors Advantage Plan dated as of November 25, 2008 | 4.1 to Pinnacle West’s Form S-3 Registration Statement No. 333-155641 | 11/25/2008 |
| 4.5 | Pinnacle WestAPS | Description of Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934 | ||
| 4.6 | Pinnacle West | Indenture, dated as of June 6, 2024, between the Company and The Bank of New York Mellon Trust Company, N.A., as trustee | 4.1 to Pinnacle West June 6, 2024 Form 8-K Report | 6/6/2024 |
| Exhibit No. | Registrant(s) | Description | Previously Filed as Exhibit: | Date Filed |
| 10.1 | Pinnacle WestAPS | Two 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 Trustee | 10.2 to APS September 30, 1991 Form 10-Q Report | 11/14/1991 |
| 10.1(a) | Pinnacle WestAPS | Amendment No. 1 to Decommissioning Trust Agreement (PVGS Unit 1), dated as of December 1, 1994 | 10.1 to APS 1994 Form 10-K Report | 3/30/1995 |
| 10.1(b) | Pinnacle WestAPS | Amendment No. 1 to Decommissioning Trust Agreement (PVGS Unit 3), dated as of December 1, 1994 | 10.2 to APS 1994 Form 10-K Report | 3/30/1995 |
| 10.1(c) | Pinnacle WestAPS | Amendment No. 2 to APS Decommissioning Trust Agreement (PVGS Unit 1) dated as of July 1, 1991 | 10.4 to APS 1996 Form 10-K Report | 3/28/1997 |
| 10.1(d) | Pinnacle WestAPS | Amendment No. 2 to APS Decommissioning Trust Agreement (PVGS Unit 3) dated as of July 1, 1991 | 10.6 to APS 1996 Form 10-K Report | 3/28/1997 |
| 10.1(e) | Pinnacle WestAPS | Amendment No. 3 to the Decommissioning Trust Agreement (PVGS Unit 1), dated as of March 18, 2002 | 10.2 to Pinnacle West March 31, 2002 Form 10-Q Report | 5/15/2002 |
| 10.1(f) | Pinnacle WestAPS | Amendment No. 3 to the Decommissioning Trust Agreement (PVGS Unit 3), dated as of March 18, 2002 | 10.4 to Pinnacle West March 31, 2002 Form 10-Q Report | 5/15/2002 |
| 10.1(g) | Pinnacle WestAPS | Amendment No. 4 to the Decommissioning Trust Agreement (PVGS Unit 1), dated as of December 19, 2003 | 10.3 to Pinnacle West 2003 Form 10-K Report | 3/15/2004 |
| 10.1(h) | Pinnacle WestAPS | Amendment No. 4 to the Decommissioning Trust Agreement (PVGS Unit 3), dated as of December 19, 2003 | 10.5 to Pinnacle West 2003 Form 10-K Report | 3/15/2004 |
| 10.1(i) | Pinnacle WestAPS | Amendment No. 5 to the Decommissioning Trust Agreement (PVGS Unit 1), dated as of May 1, 2007 | 10.1 to Pinnacle West/APS March 31, 2007 Form 10-Q Report | 5/9/2007 |
| 10.1(j) | Pinnacle WestAPS | Amendment No. 5 to the Decommissioning Trust Agreement (PVGS Unit 3), dated as of May 1, 2007 | 10.2 to Pinnacle West/APS March 31, 2007 Form 10-Q Report | 5/9/2007 |
| Exhibit No. | Registrant(s) | Description | Previously Filed as Exhibit: | Date Filed |
| 10.2 | Pinnacle WestAPS | Amended 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 2 | 10.1 to Pinnacle West’s 1991 Form 10-K Report | 3/26/1992 |
| 10.2(a) | Pinnacle WestAPS | First Amendment to Amended and Restated Decommissioning Trust Agreement (PVGS Unit 2), dated as of November 1, 1992 | 10.2 to APS 1992 Form 10-K Report | 3/30/1993 |
| 10.2(b) | Pinnacle WestAPS | Amendment No. 2 to Amended and Restated Decommissioning Trust Agreement (PVGS Unit 2), dated as of November 1, 1994 | 10.3 to APS 1994 Form 10-K Report | 3/30/1995 |
| 10.2(c) | Pinnacle WestAPS | Amendment No. 3 to Amended and Restated Decommissioning Trust Agreement (PVGS Unit 2), dated as of June 20, 1996 | 10.1 to APS June 30, 1996 Form 10-Q Report | 8/9/1996 |
| 10.2(d) | Pinnacle WestAPS | Amendment No. 4 to Amended and Restated Decommissioning Trust Agreement (PVGS Unit 2) dated as of December 16, 1996 | APS 10.5 to APS 1996 Form 10-K Report | 3/28/1997 |
| 10.2(e) | Pinnacle WestAPS | Amendment No. 5 to the Amended and Restated Decommissioning Trust Agreement (PVGS Unit 2), dated as of June 30, 2000 | 10.1 to Pinnacle West March 31, 2002 Form 10-Q Report | 5/15/2002 |
| 10.2(f) | Pinnacle WestAPS | Amendment No. 6 to the Amended and Restated Decommissioning Trust Agreement (PVGS Unit 2), dated as of March 18, 2002 | 10.3 to Pinnacle West March 31, 2002 Form 10-Q Report | 5/15/2002 |
| 10.2(g) | Pinnacle WestAPS | Amendment No. 7 to the Amended and Restated Decommissioning Trust Agreement (PVGS Unit 2), dated as of December 19, 2003 | 10.4 to Pinnacle West 2003 Form 10-K Report | 3/15/2004 |
| 10.2(h) | Pinnacle WestAPS | Amendment No. 8 to the Amended and Restated Decommissioning Trust Agreement (PVGS Unit 2), dated as of April 1, 2007 | 10.1.2h to Pinnacle West 2007 Form 10-K Report | 2/27/2008 |
| 10.3a | Pinnacle WestAPS | Arizona Public Service Company Directors’ Deferred Compensation Plan, as restated, effective January 1, 1986 | 10.1 to APS June 30, 1986 Form 10-Q Report | 8/13/1986 |
| 10.3(a)a | Pinnacle WestAPS | Second Amendment to the Arizona Public Service Company Directors’ Deferred Compensation Plan, effective as of January 1, 1993 | 10.2A to APS 1993 Form 10-K Report | 3/30/1994 |
| Exhibit No. | Registrant(s) | Description | Previously Filed as Exhibit: | Date Filed |
|---|---|---|---|---|
| 10.3(b)a | Pinnacle WestAPS | Third Amendment to the Arizona Public Service Company Directors’ Deferred Compensation Plan, effective as of May 1, 1993 | 10.1 to APS September 30, 1994 Form 10-Q Report | 11/10/1994 |
| 10.3(c)a | Pinnacle WestAPS | Fourth Amendment to the Arizona Public Service Company Directors Deferred Compensation Plan, effective as of January 1, 1999 | 10.8A to Pinnacle West 1999 Form 10-K Report | 3/30/2000 |
| 10.4a | Pinnacle WestAPS | Deferred 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 | 2/19/2016 |
| 10.5a | Pinnacle WestAPS | Pinnacle 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 | 2/19/2016 |
| 10.5(a)a | Pinnacle WestAPS | First 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 | 2/24/2017 |
| 10.5(b)a | Pinnacle WestAPS | Second 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 | 2/23/2018 |
| 10.6a | Pinnacle WestAPS | Offer of Employment Letter dated May 19, 2022 between APS and Adam Heflin | 10.4(8) to Pinnacle West/APS 2022 Form 10-K Report | 2/27/2023 |
| 10.7ab | Pinnacle WestAPS | Form of Key Executive Employment and Severance Agreement between Pinnacle West and certain officers of Pinnacle West and its subsidiaries | 10.4 to Pinnacle West/APS June 30, 2021 Form 10-Q Report | 8/5/2021 |
| 10.8a | Pinnacle West | Pinnacle West Capital Corporation 2007 Long-Term Incentive Plan | Appendix B to the Proxy Statement for Pinnacle West’s 2007 Annual Meeting of Shareholders | 4/20/2007 |
| 10.8(a)a | Pinnacle West | First Amendment to the Pinnacle West Capital Corporation 2007 Long-Term Incentive Plan | 10.2 to Pinnacle West/APS April 18, 2007 Form 8-K Report | 4/20/2007 |
| 10.8(b)ab | Pinnacle West | Form 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 | 4/29/2011 |
| 10.9a | Pinnacle WestAPS | Pinnacle West Capital Corporation 2012 Long-Term Incentive Plan | Appendix A to the Proxy Statement for Pinnacle West’s 2012 Annual Meeting of Shareholders | 3/29/2012 |
| 10.9(a)a | Pinnacle West | First Amendment to the Pinnacle West Capital Corporation 2012 Long-Term Incentive Plan | Appendix A to the Proxy Statement for Pinnacle West’s 2017 Annual Meeting of Shareholders | 3/31/2017 |
| Exhibit No. | Registrant(s) | Description | Previously Filed as Exhibit: | Date Filed |
| 10.10a | Pinnacle West | Pinnacle West Capital Corporation 2021 Long-Term Incentive Plan (as amended by the First Amendment) | Appendix A to the Proxy Statement for Pinnacle West’s 2022 Annual Meeting of Shareholders | 5/19/2023 |
| 10.10(a)ab | Pinnacle West | Form of Restricted Stock Unit Award Agreement under the Pinnacle West Capital Corporation 2021 Long-Term Incentive Plan | 10.6.5n to Pinnacle West/APS 2020 Form 10-K Report | 2/25/2022 |
| 10.10(b)ab | Pinnacle West | Form of Restricted Stock Unit Award Agreement under the Pinnacle West Capital Corporation 2021 Long-Term Incentive Plan | 10.6.5o to Pinnacle West/APS 2020 Form 10-K Report | 2/25/2022 |
| 10.10(c)ab | Pinnacle West | Form of Performance Share Award Agreement under the Pinnacle West Capital Corporation 2021 Long-Term Incentive Plan | 10.6.5p to Pinnacle West/APS 2020 Form 10-K Report | 2/25/2022 |
| 10.10(d)ab | Pinnacle West | Form of Performance Share Award Agreement under the Pinnacle West Capital Corporation 2021 Long-Term Incentive Plan | 10.6.5q to Pinnacle West/APS 2020 Form 10-K Report | 2/25/2022 |
| 10.10(e)ab | Pinnacle West | Form of Performance Share Award Agreement under the Pinnacle West Capital Corporation 2021 Long-Term Incentive Plan | 10.6.5r to Pinnacle West/APS 2020 Form 10-K Report | 2/25/2022 |
| 10.10(f)ab | Pinnacle West | Form of Performance Share Award Agreement under the Pinnacle West Capital Corporation 2021 Long-Term Incentive Plan | 10.6.5s to Pinnacle West/APS 2020 Form 10-K Report | 2/25/2022 |
| 10.10(g)ab | Pinnacle West | Form of Restricted Stock Unit Award Agreement under the Pinnacle West Capital Corporation 2021 Long-Term Incentive Plan | ||
| 10.10(h)ab | Pinnacle West | Form of Performance Share Award Agreement under the Pinnacle West Capital Corporation 2021 Long-Term Incentive Plan | ||
| 10.11a | Pinnacle West APS | Summary of 2026 Variable Incentive Plan and Officer Variable Incentive Plan | ||
| 10.12 | Pinnacle WestAPS | Indenture of Lease with Navajo Tribe of Indians, Four Corners Plant | 5.01 to APS’s Form S-7 Registration Statement, File No. 2-59644 | 9/1/1977 |
| 10.12(a) | Pinnacle WestAPS | Supplemental and Additional Indenture of Lease, including amendments and supplements to original lease with Navajo Tribe of Indians, Four Corners Plant | 5.02 to APS’s Form S-7 Registration Statement, File No. 2-59644 | 9/1/1977 |
| 10.12(b) | Pinnacle WestAPS | Amendment and Supplement No. 1 to Supplemental and Additional Indenture of Lease Four Corners, dated April 25, 1985 | 10.36 to Pinnacle West’s Registration Statement on Form 8-B Report, File No. 1-8962 | 7/25/1985 |
| 10.12(c) | Pinnacle WestAPS | Amendment and Supplement No. 2 to Supplemental and Additional Indenture of Lease with the Navajo Nation dated March 7, 2011 | 10.1 to Pinnacle West/APS March 31, 2011 Form 10-Q Report | 4/29/2011 |
| Exhibit No. | Registrant(s) | Description | Previously Filed as Exhibit: | Date Filed |
| 10.12(d) | Pinnacle WestAPS | Amendment and Supplement No. 3 to Supplemental and Additional Indenture of Lease with the Navajo Nation dated March 7, 2011 | 10.2 to Pinnacle West/APS March 31, 2011 Form 10-Q Report | 4/29/2011 |
| 10.13 | Pinnacle WestAPS | Application and Grant of multi-party rights-of-way and easements, Four Corners Plant Site | 5.04 to APS’s Form S-7 Registration Statement, File No. 2-59644 | 9/1/1977 |
| 10.13(a) | Pinnacle WestAPS | Application and Amendment No. 1 to Grant of multi-party rights-of-way and easements, Four Corners Site dated April 25, 1985 | 10.37 to Pinnacle West’s Registration Statement on Form 8-B, File No. 1-8962 | 7/25/1985 |
| 10.14 | Pinnacle WestAPS | Application and Grant of APS rights- of-way and easements, Four Corners Site | 5.05 to APS’s Form S-7 Registration Statement, File No. 2-59644 | 9/1/1977 |
| 10.14(a) | Pinnacle WestAPS | Application and Amendment No. 1 to Grant of APS rights-of-way and easements, Four Corners Site dated April 25, 1985 | 10.38 to Pinnacle West’s Registration Statement on Form 8-B, File No. 1-8962 | 7/25/1985 |
| 10.15 | Pinnacle WestAPS | Four 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 Navajo | 10.5 to Pinnacle West/APS June 30, 2021 Form 10-Q Report | 8/5/2021 |
| 10.15(a) | Pinnacle WestAPS | Four Corners Project Co-Tenancy Agreement, Amendment to Amendment No. 13, dated July 1, 2024, among APS, Public Service Company of New Mexico, SRP, Tucson Electric Power Company and Navajo | ||
| 10.16 | Pinnacle WestAPS | Arizona 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 thereto | 10.1 to APS 1988 Form 10-K Report | 3/8/1989 |
| 10.16(a) | Pinnacle WestAPS | Amendment 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 Angeles | 10.1 to APS March 31, 1991 Form 10-Q Report | 5/15/1991 |
| Exhibit No. | Registrant(s) | Description | Previously Filed as Exhibit: | Date Filed |
| 10.16(b) | Pinnacle WestAPS | Amendment 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 Angeles | 99.1 to Pinnacle West June 30, 2000 Form 10-Q Report | 8/14/2000 |
| 10.16(c) | Pinnacle WestAPS | Amendment 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 Angeles | 10.9.1c to Pinnacle West/APS 2010 Form 10-K Report | 2/18/2011 |
| 10.16(d) | Pinnacle WestAPS | Amendment 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 Angeles | 10.2 to Pinnacle West/APS March 31, 2014 Form 10-Q Report | 5/2/2014 |
| 10.17 | Pinnacle WestAPS | Asset 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, 1991 | 10.1 to APS June 30, 1991 Form 10-Q Report | 8/8/1991 |
| 10.18 | Pinnacle WestAPS | Long-Term Power Transaction Agreement dated September 21, 1990 between APS and PacifiCorp, as amended as of October 11, 1990, and as of July 8, 1991 | 10.2 to APS June 30, 1991 Form 10-Q Report | 8/8/1991 |
| 10.18(a) | Pinnacle WestAPS | Amendment No. 1 dated April 5, 1995 to the Long-Term Power Transaction Agreement and Asset Purchase and Power Exchange Agreement between PacifiCorp and APS | 10.3 to APS 1995 Form 10-K Report | 3/29/1996 |
| 10.19 | Pinnacle WestAPS | Restated Transmission Agreement between PacifiCorp and APS dated April 5, 1995 | 10.4 to APS 1995 Form 10-K Report | 3/29/1996 |
| 10.20 | Pinnacle WestAPS | Reciprocal Transmission Service Agreement between APS and PacifiCorp dated as of March 2, 1994 | 10.6 to APS 1995 Form 10-K Report | 3/29/1996 |
| 10.21 | Pinnacle West | Third Amended and Restated Five-Year Credit Agreements dated as of February 18, 2026, among Pinnacle West, as Borrower, Barclays Bank PLC, as Agent and Issuing Bank, and the lenders and other parties thereto | 10.1 to Pinnacle West/APS February 17, 2026 Form 8-K Report | 2/19/2026 |
| Exhibit No. | Registrant(s) | Description | Previously Filed as Exhibit: | Date Filed |
| 10.22 | Pinnacle WestAPS | Amended and Restated Five-Year Credit Agreement dated as of February 18, 2026, among APS, as Borrower, Barclays Bank PLC, as Agent and Issuing Bank, and the lenders and other parties thereto | 10.2 to Pinnacle West/APS February 17, 2026 Form 8-K Report | 2/19/2026 |
| 10.23 | Pinnacle WestAPS | 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 Lessee | 4.3 to APS Form 18 Registration Statement, File No. 33-9480 | 10/24/1986 |
| 10.23(a) | Pinnacle WestAPS | Amendment 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 Lessee | 10.5 to APS September 30, 1986 Form 10-Q Report by means of Amendment No. 1 on December 3, 1986 Form 8 | 12/4/1986 |
| 10.23(b) | Pinnacle WestAPS | Amendment 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 Lessee | 10.3 to APS 1988 Form 10-K Report | 3/8/1989 |
| 10.23(c) | Pinnacle WestAPS | Amendment 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 Lessee | 10.3 to APS 1992 Form 10-K Report | 3/30/1993 |
| 10.23(d) | Pinnacle WestAPS | Amendment 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 Lessee | 10.2 to Pinnacle West/APS September 30, 2015 Form 10-Q Report | 10/30/2015 |
| 10.24 | Pinnacle WestAPS | Agreement for the Transfer and Use of Wastewater and Effluent by and between APS, SRP and PWE dated June 1, 2001 | 10.103 to Pinnacle West/APS 2004 Form 10-K Report | 3/16/2005 |
| 10.25 | Pinnacle WestAPS | Agreement for the Sale and Purchase of Wastewater Effluent dated November 13, 2000, by and between the City of Tolleson, Arizona, APS and SRP | 10.104 to Pinnacle West/APS 2004 Form 10-K Report | 3/16/2005 |
| Exhibit No. | Registrant(s) | Description | Previously Filed as Exhibit: | Date Filed |
| 10.26 | Pinnacle WestAPS | Operating Agreement for the Co-Ownership of Wastewater Effluent dated November 16, 2000 by and between APS and SRP | 10.105 to Pinnacle West/APS 2004 Form 10-K Report | 3/16/2005 |
| 10.27 | Pinnacle WestAPS | Municipal 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 SRP | 10.1 to Pinnacle West/APS March 31, 2010 Form 10-Q Report | 5/6/2010 |
| 10.28 | Pinnacle WestAPS | Contract, dated July 21, 1984, with DOE providing for the disposal of nuclear fuel and/or high-level radioactive waste, ANPP | 10.31 to Pinnacle West’s Form S-14 Registration Statement, File No. 2-96386 | 3/13/1985 |
| 10.29 | Pinnacle WestAPS | Territorial Agreement between APS and SRP | 10.1 to APS March 31, 1998 Form 10-Q Report | 5/15/1998 |
| 10.30 | Pinnacle WestAPS | Power Coordination Agreement between APS and SRP | 10.2 to APS March 31, 1998 Form 10-Q Report | 5/15/1998 |
| 10.31 | Pinnacle WestAPS | Memorandum of Agreement between APS and SRP | 10.3 to APS March 31, 1998 Form 10-Q Report | 5/15/1998 |
| 10.31(a) | Pinnacle WestAPS | Addendum to Memorandum of Agreement between APS and SRP dated as of May 19, 1998 | 10.2 to APS May 19, 1998 Form 8-K Report | 6/26/1998 |
| 10.32 | Pinnacle West | Forward Sale Agreement, dated February 28, 2024, between Pinnacle West and Wells Fargo Bank, National Association | 10.1 to Pinnacle West February 28, 2024 Form 8-K Report | 3/4/2024 |
| 10.32(a) | Pinnacle West | Additional Forward Sale Agreement, dated February 28, 2024, between Pinnacle West and Wells Fargo Bank, National Association | 10.2 to Pinnacle West February 28, 2024 Form 8-K Report | 3/4/2024 |
| 10.32(b) | Pinnacle West | Amendment, dated as of August 28, 2025, to Forward Sale Agreement, dated February 28, 2024, and Additional Forward Sale Agreement, dated February 29, 2024, between the Company and Wells Fargo Bank, National Association | 10.1 to Pinnacle West September 2, 2025 Form 8-K Report | 9/2/2025 |
| 19.1 | Pinnacle West | Securities Trading Policy of Pinnacle West | 19.1 to Pinnacle West/APS 2024 Form 10-K Report | 2/25/2025 |
| 21.1 | Pinnacle West | Subsidiaries of Pinnacle West | 21.1 to Pinnacle West/APS 2024 Form 10-K Report | 2/25/2025 |
| 23.1 | Pinnacle West | Consent of Deloitte & Touche LLP | ||
| 23.2 | APS | Consent of Deloitte & Touche LLP | ||
| 31.1 | Pinnacle West | Certificate of Theodore N. Geisler, Chief Executive Officer, pursuant to Rule 13a-14(a) and Rule 15d-14(a) of the Securities Exchange Act, as amended | ||
| 31.2 | Pinnacle West | Certificate of Andrew Cooper, Chief Financial Officer, pursuant to Rule 13a-14(a) and Rule 15d-14(a) of the Securities Exchange Act, as amended | ||
| Exhibit No. | Registrant(s) | Description | Previously Filed as Exhibit: | Date Filed |
| 31.3 | APS | Certificate of Theodore N. Geisler, Chief Executive Officer, pursuant to Rule 13a-14(a) and Rule 15d-14(a) of the Securities Exchange Act, as amended | ||
| 31.4 | APS | Certificate of Andrew Cooper, Chief Financial Officer, pursuant to Rule 13a-14(a) and Rule 15d-14(a) of the Securities Exchange Act, as amended | ||
| 32.1c | Pinnacle West | Certification 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 | ||
| 32.2c | APS | Certification 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 | ||
| 97 | Pinnacle West | Policy Relating to Recovery of Erroneously Awarded Compensation | 97 to Pinnacle West/APS 2023 Form 10-K Report | 2/27/2024 |
| 99.1 | Pinnacle WestAPS | 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 therein | 28.1 to APS September 30, 1992 Form 10-Q Report | 11/9/1992 |
| 99.1(a) | Pinnacle WestAPS | Amendment 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 therein | 10.8 to APS September 30, 1986 Form 10-Q Report by means of Amendment No. 1 on December 3, 1986 Form 8 | 12/4/1986 |
| Exhibit No. | Registrant(s) | Description | Previously Filed as Exhibit: | Date Filed |
| 99.1(b) | Pinnacle WestAPS | Amendment 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 therein | 28.4 to APS 1992 Form 10-K Report | 3/30/1993 |
| 99.2 | Pinnacle WestAPS | 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 Trustee | 4.5 to APS Form 18 Registration Statement, File No. 33-9480 | 10/24/1986 |
| 99.2(a) | Pinnacle WestAPS | Supplemental 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 Trustee | 10.6 to APS’s September 30, 1986 Form 10-Q Report by means of Amendment No. 1 on December 3, 1986 Form 8 | 12/4/1986 |
| 99.2(b) | Pinnacle WestAPS | Supplemental 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 Trustee | 4.4 to APS 1992 Form 10-K Report | 3/30/1993 |
| 99.3 | Pinnacle WestAPS | 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 Trustee | 28.3 to APS Form 18 Registration Statement, File No. 33-9480 | 10/24/1986 |
| 99.3(a) | Pinnacle WestAPS | Amendment 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 Trustee | 10.10 to APS September 30, 1986 Form 10-Q Report by means of Amendment No. l on December 3, 1986 Form 8 | 12/4/1986 |
| Exhibit No. | Registrant(s) | Description | Previously Filed as Exhibit: | Date Filed |
| 99.3(b) | Pinnacle WestAPS | Amendment 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 Trustee | 28.6 to APS 1992 Form 10-K Report | 3/30/1993 |
| 99.4 | Pinnacle WestAPS | Indemnity Agreement dated as of March 17, 1993 by APS | 28.3 to APS 1992 Form 10-K Report | 3/30/1993 |
| 101.SCH | Pinnacle WestAPS | Inline XBRL Taxonomy Extension Schema Document | ||
| 101.CAL | Pinnacle WestAPS | Inline XBRL Taxonomy Extension Calculation Linkbase Document | ||
| 101.LAB | Pinnacle WestAPS | Inline XBRL Taxonomy Extension Label Linkbase Document | ||
| 101.PRE | Pinnacle WestAPS | Inline XBRL Taxonomy Extension Presentation Linkbase Document | ||
| 101.DEF | Pinnacle WestAPS | Inline XBRL Taxonomy Definition Linkbase Document | ||
| 104 | Pinnacle West APS | The Cover Page Interactive Data File (formatted as Inline iXBRL and contained in Exhibit 101) | ||
(a)Management contract or compensatory plan or arrangement to be filed as an exhibit pursuant to Item 15(b) of Form 10-K.
(b)Additional 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.
(c)Furnished herewith.
The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.