Western Alliance Bancorporation (NYSE: WAL) announced today that it plans to release its second quarter 2009 financial results after the market closes, Thursday, July 23, 2009. Chairman and Chief Executive Officer Robert Sarver and Chief Financial Officer Dale Gibbons will host a conference call at 11:00 a.m. ET on Friday, July 24th, 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 July 24th until 9:00 a.m. ET August 10th by dialing 1-877-344-7529 using the passcode 432300.

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 Affinity Services. 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. Additional investor information can be accessed on the Investor Relations page of the company's website, westernalliancebancorp.com.

Western Alliance Bancorporation, Las Vegas
Media:
Robert Sarver, 602-952-5445
Investors:
Dale Gibbons, 702-252-6236