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PINNACLE WEST CAPITAL CORP

For the period ended Mar 31, 2025. Filed May 1, 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.

Mar 31, 2025 · Filed May 1, 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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Item 6. Exhibits

(a) Exhibits

Exhibit No.Registrant(s)DescriptionPreviously Filed as Exhibit (a)Date 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 Nos. 1-8962 and 1-44738/7/2008
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 S-3 Registration Nos. 33-33910 and 33-55248 by means of September 24, 1993 Form 8-K Report, File No. 1-44739/29/1993
3.4APSAmendment 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
3.5APSArizona Public Service Company Bylaws, amended as of December 16, 20083.4 to Pinnacle West/APS December 31, 2008 Form 10-K Report, File Nos. 1-8962 and 1-44732/20/2009
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(b)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(b)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)Reports filed under File Nos. 1-4473 and 1-8962 were filed in the office of the Securities and Exchange Commission located in Washington, D.C.

(b) Furnished herewith as an exhibit.

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