Item 3. Legal Proceedings
ITEM 3. LEGAL PROCEEDINGS
See “Business of Arizona Public Service Company — Environmental Matters” in Item 1 with regard to pending or threatened litigation and other disputes.
See Note 3 for ACC and FERC-related matters.
See Note 10 for information regarding environmental matters, Superfund–related matters and other disputes.
ITEM 4. MINE SAFETY DISCLOSURES
Not applicable.
52
Table of Contents
INFORMATION ABOUT OUR EXECUTIVE OFFICERS
Pinnacle West’s executive officers are elected no less often than annually and may be removed by the Board of Directors, or in certain cases also by the Human Resources Committee, at any time. The executive officers, their ages at February 25, 2025, current positions and principal occupations for the past five years are as follows:
Name Age Position Period
Jeffrey B. Guldner (a) 59 Chairman of the Board, Chief Executive Officer and President of Pinnacle West 2019-Present
Chairman of the Board and Chief Executive Officer of APS 2022-Present
Chairman of the Board, Chief Executive Officer and President of APS 2021-2022
Chairman of the Board and Chief Executive Officer of APS 2020-2021
President of APS 2018-2020
Executive Vice President, Public Policy of Pinnacle West 2017-2019
Elizabeth A. Blankenship 53 Vice President, Controller and Chief Accounting Officer of Pinnacle West and APS 2019-Present
General Manager, Accounting Operations of APS 2019-2019
Director, Accounting Operations of APS 2014-2019
Andrew D. Cooper 46 Senior Vice President and Chief Financial Officer of Pinnacle West and APS 2022-Present
Vice President and Treasurer of Pinnacle West and APS 2020-2022
Director, Corporate Finance of Consolidated Edison Company of New York, Inc. 2017-2020
Jose L. Esparza 50 Senior Vice President, Public Policy of APS 2022-Present
Vice President, Regulatory of APS 2022
Officer and Senior Vice President, Customer Engagement and Information Technology of Southwest Gas 2019-2021
Vice President, Customer Engagement of Southwest Gas 2012-2019
Theodore N. Geisler (a) 46 President of APS, Director on the Pinnacle West and APS Boards of Directors 2024-Present
President of APS 2022-Present
Senior Vice President and Chief Financial Officer of Pinnacle West and APS 2020-2022
Vice President and Chief Information Officer of APS 2018-2020
Adam C. Heflin 61 Executive Vice President and Chief Nuclear Officer, PVGS, of APS 2022-Present
Chief Executive Officer of Wolf Creek Nuclear Operating Corporation 2014-2019
Paul J. Mountain 47 Vice President, Finance and Planning of Pinnacle West and APS 2024-Present
Vice President, Finance and Treasurer of Pinnacle West and APS 2022-2024
Vice President, Finance and Planning of Pinnacle West and APS 2020-2022
General Manager, Finance of Pinnacle West 2017-2020
Robert E. Smith 55 Executive Vice President, Chief Legal Officer and Chief Development Officer of Pinnacle West and APS 2025-Present
Executive Vice President, General Counsel and Chief Development Officer of Pinnacle West and APS 2021-2025
Senior Vice President and General Counsel of Pinnacle West and APS 2018-2021
Jacob Tetlow 52 Executive Vice President and Chief Operating Officer of APS 2024-Present
Executive Vice President, Operations of APS 2021-2024
Senior Vice President, Non-Nuclear Operations of APS 2020-2021
Vice President, Transmission and Distributions Operations of APS 2017-2020
53
Table of Contents
(a) On December 12, 2024, Pinnacle West announced that Jeffrey B. Guldner will retire from his position as Chairman of the Board, President, Chief Executive Officer and member of the Board of Directors of Pinnacle West and Chairman of the Board, Chief Executive Officer and member of the Board of Directors of APS, effective April 1, 2025. On April 1, 2025, Theodore N. Geisler will replace Mr. Guldner as Chairman of the Board, President, and Chief Executive Officer of Pinnacle West and Chairman of the Board and Chief Executive Officer of APS. He will continue to serve as President of APS and as a director on the Pinnacle West and APS Boards of Directors.
54
Table of Contents
PART II