Western Sierra Bancorp Schedules First Quarter 2005 Earnings Release and Conference Call

Western Sierra Bancorp Schedules First Quarter 2005 Earnings
Release and Conference Call 


CAMERON PARK, Calif., April 11  /PRNewswire-FirstCall/ -- Western Sierra
Bancorp (NASDAQ:WSBA), a multi-bank holding company, announced that it will
broadcast its first quarter earnings conference call on April 13, 2005.

A press release outlining the first quarter financial results will be
distributed immediately after close of market on April 13, 2005. Subsequently,
the conference call will begin at 4:30 p.m. EDT, 1:30 p.m. PDT on April 13,
2005, and will last for approximately forty-five minutes.

Investors have the opportunity to participate in the conference call by calling
the number below and providing the following information:

   Call In #: 877-381-6419
   Conference Name: (Western Sierra Bancorp)
   Leader Name: (Gary Gall, President and CEO)
   Date of Call: (April 13, 2005)
   Time of Call: (1:30 p.m. PDT) (4:30 p.m. EDT)
   Expected Duration: (45 minutes)



Western Sierra Bancorp is comprised of Western Sierra Bank, Lake Community
Bank, Central California Bank, and Auburn Community Bank and has assets
exceeding $1.2 billion.  The Company operates in the counties of El Dorado,
Placer, Sacramento, Lake, Stanislaus, San Joaquin, Calaveras, Amador, Contra
Costa, Tuolumne, and Butte.

This document may contain forward-looking statements that are subject to risks
and uncertainties that could cause actual results to differ materially from
those projected. For a discussion of factors that could cause actual results to
differ, please see the publicly available Securities and Exchange Commission
filings of Western Sierra Bancorp, including its Annual Report on Form 10-K for
the year ended December 31, 2004, and particularly the discussion of risk
factors.

For additional information and press releases regarding Western Sierra Bancorp,
visit the Company's web site at http://www.westernsierrabancorp.com/. 

DATASOURCE: Western Sierra Bancorp



CONTACT:  Gary D. Gall, or Anthony J. Gould, both of Western Sierra

Bancorp, [phone]



Web site:  http://www.westernsierrabancorp.com/ 

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