Weyerhaeuser to Release First Quarter Earnings on April 21

Weyerhaeuser Company (NYSE: WY) will release results for first quarter 2005 on April 21 before the market opens.

  (Logo:  http://www.newscom.com/cgi-bin/prnh/20040116/WYLOGO-a
          http://www.newscom.com/cgi-bin/prnh/20040116/WYLOGO-b )

The company will hold a live conference call at 7 a.m. Pacific (10 a.m. Eastern) on April 21 to discuss the first quarter results.

To access the conference call, listeners calling from within North America should dial 1-888-221-5699 at least 15 minutes prior to the start of the conference call. Those wishing to access the call from outside North America should dial 1-706-643-3795. Replays of the call will be available for one week following completion of the live call and can be accessed at 1-800-642-1687 (access code - 5088542) within North America and at 1-706-645-9291 (access code - 5088542) from outside North America.

The call is being webcast and can be accessed through Weyerhaeuser's Internet site at www.weyerhaeuser.com by clicking on the "Listen to our conference call" link.

The webcast also is being distributed through the Thomson StreetEvents Network to both institutional and individual investors. Individual investors can listen to the call at www.fulldisclosure.com, Thomson/CCBN's individual investor portal, powered by StreetEvents. Institutional investors can access the call via Thomson's password-protected event management site, StreetEvents (www.streetevents.com).

Weyerhaeuser Company, one of the world's largest integrated forest products companies, was incorporated in 1900. In 2004, sales were $22.7 billion. It has offices or operations in 19 countries, with customers worldwide. Weyerhaeuser is principally engaged in the growing and harvesting of timber; the manufacture, distribution and sale of forest products; and real estate construction, development and related activities. Additional information about Weyerhaeuser's businesses, products and practices is available at http://www.weyerhaeuser.com/ .

CONTACT: media, Bruce Amundson, +1-253-924-3047, or investors, Kathryn McAuley, +1-253-924-2058, both for Weyerhaeuser Company.

Photo: http://www.newscom.com/cgi-bin/prnh/20040116/WYLOGO-a
http://www.newscom.com/cgi-bin/prnh/20040116/WYLOGO-b
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SOURCE: Weyerhaeuser Company

CONTACT: media, Bruce Amundson, +1-253-924-3047, or investors, Kathryn
McAuley, +1-253-924-2058, both for Weyerhaeuser Company

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