Western Alliance Bancorporation (NYSE: WAL) announced today that it plans to release its fourth quarter 2011 financial results after the market closes on Thursday, January 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, January 20, to discuss the Company's performance. Participants may access the call by dialing 1-866-843-0890 using the passcode 2758674 or via live audio webcast using the website link: https://services.choruscall.com/links/wal120120.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 January 20 through January 31 at 2:00 p.m. ET by dialing 1-877-344-7529 using the conference number 10008804. 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 dedicated, local Relationship Managers.