Western Alliance Bancorporation (NYSE: WAL) announced today that it plans to release its first quarter 2012 financial results after the market closes on Thursday, April 19, 2012. Chairman and CEO Robert Sarver, President and COO Ken Vecchione, and CFO Dale Gibbons will host a conference call at 12:00 p.m. ET on Friday, April 20, to discuss the Company's performance. Participants may access the call by dialing 1-866-843-0890 using the passcode 9945126 or via live audio webcast using the website link: http://services.choruscall.com/links/wal120420pm.html. The webcast is also available through the Company’s website at www.westernalliancebancorp.com. Participants should log in at least 15 minutes early to receive instructions. The call will be recorded and made available for replay after 2:00 p.m. ET April 20 through April 30, 2012 at 9:00 a.m. ET by dialing 1-877-344-7529 using the conference number 10012763. About Western Alliance Bancorporation Western Alliance Bancorporation is a leading bank holding company in the Southwest with banking and financial service subsidiaries in Arizona, California, Nevada and Colorado. The company provides services to businesses, entrepreneurs, professionals, nonprofit organizations, high net worth individuals and other consumers seeking the robust product array of a national bank with the individual, personal attention of a community bank, delivered through a dedicated, local Relationship Manager.