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Penn West Energy Trust Conference Call and Webcast Announcement

Penn West Energy Trust (TSX: PWT.UN) (NYSE: PWE) ("Penn West") is scheduled to release its second quarter results on Thursday, August 5, 2010 prior to market open. Following the release of its financial results, Penn West will conduct a conference call as outlined below:

Date:     Thursday, August 5, 2010

Time:     10:00 a.m. MT (12:00 p.m. ET)

Call:     800-952-4972 North American toll-free

Replay:   800-408-3053, passcode 3676641
          (recording available to August 19, 2010)

Webcast:  http://events.digitalmedia.telus.com/pennwest/080510/index.php

Penn West trust units and debentures are listed on the Toronto Stock Exchange under the symbols PWT.UN, PWT.DB.D, PWT.DB.E and PWT.DB.F and Penn West trust units are listed on the New York Stock Exchange under the symbol PWE.