Western Alliance Bancorporation Announces Third Quarter 2009 Earnings Release Date and Conference Call

Western Alliance Bancorporation (NYSE: WAL) announced today that it plans to release its third quarter 2009 financial results before the market opens, Monday, October 26, 2009. Chairman and Chief Executive Officer Robert Sarver and Chief Financial Officer Dale Gibbons will host a conference call at 10:30 a.m. ET on Monday, October 26^th, to discuss the Company's performance. Participants may access the call by dialing 1-800-860-2442. The call will be recorded and made available for replay after 2:00 p.m. ET October 26^th until 9:00 a.m. ET November 10^th by dialing 1-877-344-7529 using the pass code 434903.

About Western Alliance Bancorporation

Western Alliance Bancorporation is the parent company of Bank of Nevada, First Independent Bank of Nevada, Alliance Bank of Arizona, Torrey Pines Bank, Alta Alliance Bank, Miller/Russell & Associates, Shine Investment Advisory Services, Premier Trust, and PartnersFirst. These dynamic organizations provide a broad array of banking, leasing, trust, investment, and mortgage services to clients in Nevada, Arizona and California, investment services in Colorado, and bank card services nationwide. Staffed with experienced financial professionals, these organizations deliver a broader product array and larger credit capacity than community banks, yet are empowered to be more responsive to customers' needs than larger institutions.