UnionBanCal Corporation's Chief Operating Officer to Address Sandler O'Neill 2008 Financial Services Conference March 11

UnionBanCal Corporation (NYSE:UB) Chief Operating Officer Philip Flynn will address attendees of the Sandler O’Neill 2008 Financial Services Conference in San Francisco on March 11, 2008 at 1:10 PM Pacific Time (4:10 PM Eastern Time). A live webcast of the presentation will be available at: http://www.thomson-webcast.net/us/dispatching/SOP_20080311 The webcast may also be accessed by visiting the Investor Relations section of the Company’s website at http://www.unionbank.com. Based in San Francisco, UnionBanCal Corporation is a bank holding company with assets of $55.7 billion at December 31, 2007. Its primary subsidiary, Union Bank of California, N.A., had 330 banking offices in California, Oregon and Washington, and 2 international offices at December 31, 2007.