Pinnacle West Capital Corporation (NYSE: PNW) management will present to energy industry analysts and investors at the Williams Capital Group West Coast Utilities Seminar in Las Vegas, Nevada, on Wednesday, March 20. The Pinnacle West presentation is scheduled to begin at 2:30 p.m., PT (5:30 p.m., ET) and will feature a Company overview, as well as an update on strategic initiatives. The approximate 60-minute presentation (including questions and answers) will be webcast live and available for replay at: www.pinnaclewest.com/presentations. Pinnacle West Capital, an energy holding company based in Phoenix, has consolidated assets of about $13.4 billion, more than 6,300 megawatts of generating capacity and about 6,600 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.