UnionBanCal Corporation to Release Third Quarter 2006 Earnings and Host Conference Call and Webcast

  
    
  
  
    
      UnionBanCal Corporation (NYSE:UB) announced today that it would release 
      third quarter 2006 results after the market close on Thursday, October 
      19, 2006. UnionBanCal management will host a conference call to discuss 
      these results at 8:30 AM Pacific (11:30 AM Eastern) on October 20, 2006. 
      This call is open to all interested parties. From locations within the 
      United States, the call-in number is 800-230-1059 (612-332-0530 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.uboc.com. 
      You may access the Investor Relations section of the website via the 
      About Us 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 October 20, 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), October 20, until 
      11:59 PM Pacific, October 27 (2:59 AM Eastern, October 28). The 
      reservation number for this playback is 843391.
    
    
      Based in San Francisco, UnionBanCal Corporation is a bank holding 
      company with assets of $50.8 billion at June 30, 2006. Its primary 
      subsidiary, Union Bank of California, N.A., had 321 banking offices in 
      California, Oregon and Washington, and 2 international offices at June 
      30, 2006.
    
  
UnionBanCal Corporation (NYSE:UB) announced today that it would
release third quarter 2006 results after the market close on Thursday,
October 19, 2006. UnionBanCal management will host a conference call
to discuss these results at 8:30 AM Pacific (11:30 AM Eastern) on
October 20, 2006. This call is open to all interested parties. From
locations within the United States, the call-in number is 800-230-1059
(612-332-0530 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.uboc.com. You may access the Investor Relations section of
the website via the About Us 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 October 20, 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), October 20,
until 11:59 PM Pacific, October 27 (2:59 AM Eastern, October 28). The
reservation number for this playback is 843391.

   Based in San Francisco, UnionBanCal Corporation is a bank holding
company with assets of $50.8 billion at June 30, 2006. Its primary
subsidiary, Union Bank of California, N.A., had 321 banking offices in
California, Oregon and Washington, and 2 international offices at June
30, 2006.