Pinnacle West's Stock Transfer Agent and Registrar

Computershare serves as Pinnacle West's Transfer Agent and Registrar.

The address for Computershare is: P.O. Box 43078, Providence, RI 02940-3078

The address for courier delivery is: 150 Royall St., Suite 101, Canton, MA 02021 

Stock Listing
Ticker symbol:
PNW on New York Stock Exchange

Corporate Headquarters
400 North 5th Street
Phoenix, Arizona 85004
Mailing address:
P.O. Box 53999
Phoenix, Arizona 85072-3999
Main telephone number:
(602) 250-1000

Shareholder Administrative Information
Company contact:
Shareholder Services
(602) 250-3011
shareholderdept@pinnaclewest.com

Annual Meeting Of Shareholders
Wednesday, May 14, 2026, at 1:30 p.m. (EDT)
Shareholders may participate in the Annual Meeting by logging into the following website:
www.virtualshareholdermeeting.com/PNW

Form 10-K
Pinnacle West's Annual Report on Form 10-K filed with the Securities and Exchange Commission is available on our website or by writing to the Office of the Secretary.

Corporate Responsibility Report
The Pinnacle West Corporate Responsibility Report is available on our website.

Investor Relations Contact
Amanda Ho
(602) 250-3334