Pinnacle West to Webcast Financial Analyst Presentation17:00 EDT Wednesday, October 31, 2012 PHOENIX (Business Wire) -- Pinnacle West Capital Corporation (NYSE: PNW) will webcast a presentation to energy industry analysts and others in the financial community on Friday, November 9. The presentation is scheduled to begin at 3 p.m. ET (1 p.m. Ariz. time) and will feature senior management discussing the Company's operational and financial performance and outlook, as well as providing an update on strategic initiatives. The listen-only, audio presentation will be webcast live and available for replay at: pinnaclewest.com/presentations. The entire presentation is expected to last three-and-a-half hours. Pinnacle West Capital, an energy holding company based in Phoenix, has consolidated assets of about $13.5 billion, more than 6,300 megawatts of generating capacity and about 6,700 employees in Arizona and New Mexico. Through its principal subsidiary, Arizona Public Service, the Company provides retail electricity service to more than 1.1 million Arizona homes and businesses. For more information about Pinnacle West, visit the Company's website at pinnaclewest.com. Pinnacle West Capital CorporationMedia Contact:Alan Bunnell, 602-250-3376Analyst Contact:Rebecca Hickman, 602-250-5668Website: pinnaclewest.com