UnionBanCal Corporation to Release First Quarter 2008 Earnings and Host Conference Call and Webcast

  
    
  
  
    
      UnionBanCal Corporation (NYSE:UB) announced today that it would release 
      first quarter 2008 results after the market close on Wednesday, April 
      23, 2008. UnionBanCal management will host a conference call to discuss 
      these results at 8:30 AM Pacific (11:30 AM Eastern) on April 24, 2008. 
      This call is open to all interested parties. From locations within the 
      United States, the call-in number is 800-230-1074 (612-332-0345 from 
      outside the United States). Please call in 10 minutes prior to the 
      beginning of the conference.
    
    
      A live webcast of the call will be available at http://www.unionbank.com. 
      You may access the Investor Relations section of the website via the 
      About Union Bank link from the homepage. The webcast replay will be 
      available on the website beginning at approximately 10:30 AM Pacific 
      (1:30 PM Eastern) on April 24, and will remain on the website for a 
      period of one year.
    
    
      A recorded playback of the conference call will be available by calling 
      800-475-6701, (320-365-3844 from outside the United States) from 
      approximately 12:00 PM Pacific (3:00 PM Eastern), April 24, until 11:59 
      PM Pacific, May 1 (2:59 AM Eastern, May 2). The reservation number for 
      this playback is 918373.
    
    
      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.