Weyerhaeuser Company (NYSE: WY) today announced that it plans to offer 14.5 million of its common shares in a public offering. Weyerhaeuser expects to use the net proceeds from the offering to retire a portion of its outstanding debt during the 12-month period following the closing of the offering.

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Morgan Stanley & Co. Incorporated and J.P. Morgan Securities Inc. will serve as joint book-running managers of the offering. Copies of the preliminary prospectus supplement, when available, may be obtained from Morgan Stanley & Co. Incorporated, Prospectus Department, 1585 Broadway, New York, New York, 10036, or from J.P. Morgan Securities Inc., Prospectus Department, One Chase Manhattan Plaza, Floor 5b, New York, New York, 10081.

A registration statement relating to these securities has been filed with the United States Securities and Exchange Commission and has become effective. This news release does not constitute an offer to sell or the solicitation of an offer to buy, nor will there be any sale of these securities in any state in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state.

Weyerhaeuser Company, one of the world's largest integrated forest products companies, was incorporated in 1900. In 2003, sales were $19.9 billion. It has offices or operations in 18 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.

   For more information contact:
   Media - Bruce Amundson (253) 924-3047
   Analysts - Kathryn McAuley (253) 924-2058

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SOURCE: Weyerhaeuser Company

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