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Midas Edge

ARIZONA PUBLIC SERVICE CO

For the period ended Sep 30, 2025. Filed Nov 3, 2025.

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About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2025 · Filed Nov 3, 2025

PNW$105.26+1.0%Stored close · as of Nov 9, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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Contents

Item 6. Exhibits

(a) Exhibits

Exhibit No.Registrant(s)DescriptionPreviously Filed as ExhibitDate Filed
3.1Pinnacle WestPinnacle West Articles of Incorporation, restated as of May 22, 20253.1 to Pinnacle West/APS June 30, 2025 Form 10-Q Report8/6/2025
3.2Pinnacle WestPinnacle West Capital Corporation Bylaws, amended as of February 19, 20203.1 to Pinnacle West/APS Form 8-K Report filed February 25, 20202/25/2020
3.3APSAPS Articles of Incorporation, restated as of May 16, 20123.3 to Pinnacle West/APS June 30, 2025 Form 10-Q Report8/6/2025
3.4APSArizona Public Service Company Bylaws, amended as of December 16, 20083.4 to Pinnacle West/APS December 31, 2008 Form 10-K Report2/20/2009
4.1Pinnacle WestSixth Supplemental Indenture dated as of May 15, 20254.1 to Pinnacle West Form 8-K Report filed May 15, 20255/15/2025
4.2Pinnacle WestAPSThirty-Second Supplemental Indenture dated as of August 15, 20254.2 to Pinnacle West/APS Form 8-K Report filed August 15, 20258/15/2025
10.1Pinnacle WestAmendment, dated as of August 28, 2025, to Forward Sale Agreement, dated as of February 28, 2024, and Additional Forward Sale Agreement, dated as of February 29, 2024, between the Company and Wells Fargo Bank, National Association10.1 to Pinnacle West Form 8-K Report filed September 2, 20259/2/2025
31.1Pinnacle WestCertificate 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
31.2Pinnacle 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 Theodore N. Geisler, Chief Executive Officer, pursuant to Rule 13a-14(a) and Rule 15d-14(a) of the Securities Exchange Act, as amended
31.4APSCertificate of Andrew Cooper, Chief Financial Officer, pursuant to Rule 13a-14(a) and Rule 15d-14(a) of the Securities Exchange Act, as amended
32.1(a)Pinnacle 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
32.2(a)APSCertification 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
101.INSPinnacle WestAPSInline XBRL Instance Document - the instance document does not appear in the interactive data file because its XBRL tags are embedded within the Inline XBRL document.
101.SCHPinnacle WestAPSInline XBRL Taxonomy Extension Schema Document
101.CALPinnacle WestAPSInline XBRL Taxonomy Extension Calculation Linkbase Document
101.LABPinnacle WestAPSInline XBRL Taxonomy Extension Label Linkbase Document
101.PREPinnacle WestAPSInline XBRL Taxonomy Extension Presentation Linkbase Document
101.DEFPinnacle WestAPSInline XBRL Taxonomy Definition Linkbase Document
104Pinnacle WestAPSCover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)

(a)Furnished herewith as an exhibit.

ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.