PHOENIX – Pinnacle West Capital Corporation’s (NYSE: PNW) Board of Directors today declared a quarterly dividend of $0.525 per share of common stock, payable on September 1, 2010, to shareholders of record on August 2, 2010.

Pinnacle West is a Phoenix-based company with consolidated assets of about $12 billion. Through its subsidiaries, the Company generates, sells and delivers electricity and sells energy-related products and services to retail and wholesale customers in the western United States.

Contacts

Media:
Alan Bunnell, (602) 250-3376

Analyst:
Rebecca Hickman, (602) 250-5668