Weyerhaeuser Company (NYSE: WY) announced today the applicable reference yield and the Full Tender Offer Consideration for each series of Securities to be purchased pursuant to its previously announced Any and All Offers and Maximum Tender Offers. The reference yield was determined today at 2:00 p.m., New York City time. The Full Tender Offer Consideration for the Securities subject to the Any and All Offers and Maximum Tender Offers is based on the applicable reference yield plus a fixed spread as set forth in the table below. All payments for Securities purchased in the Any and All Offers and Maximum Tender Offers will include accrued and unpaid interest on the principal amount of Securities tendered up to, but not including, the applicable Settlement Date for the Offers, which is currently expected to be Dec. 2, 2005 for the Any and All Offers and Dec. 15, 2005 for the Maximum Tender Offers.

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                                                 Full Tender    Accrued
                                                    Offer       Interest
                                                Consideration     per
                 Reference               Fixed    per $1,000     $1,000
                    U.S.                 Spread    Principal    Principal
    Title of      Treasury   Reference  (basis    Amount of     Amount of
    Security      Security     Yield    points)  Securities    Securities

         Offers for Securities Listed Below:  Any and All Offers

     8.375%
   Debentures    2.25% due
  due February    February
    15, 2007      15, 2007     4.424%     40.0     $1,040.90     $24.89

  5.250% Notes   3.50% due
  due December    December
    15, 2009      15, 2009     4.376%     68.0     $1,006.98     $24.35

        Offers for Securities Listed Below:  Maximum Tender Offers

     6.125%        3.75%
      Notes          due
    due March     March 31,
    15, 2007        2007       4.412%     45.0     $1,015.05     $15.31

     5.950%        4.375%
    Notes 1,        due
  due November    November
      2008        15, 2008     4.383%     62.5     $1,024.89      $7.27

The Any and All Offers will expire at 5:00 p.m., New York City time, on Dec. 1, 2005, unless extended.

The Maximum Tender Offers will expire at midnight, New York City time, on Dec. 14, 2005. Holders of securities subject to the Maximum Tender Offers must validly tender and not validly withdraw their securities on or before 5:00 p.m. New York City time on Dec. 1, 2005 to receive the applicable Full Tender Offer Consideration. Holders of securities subject to the Maximum Tender Offers who validly tender their securities after the early tender date and on or before the Maximum Tender Offers expiration date will receive the applicable later tender offer consideration, which is the applicable Full Tender Offer Consideration minus $10 per $1,000 principal amount of securities tendered by such holder that are accepted for purchase. Holders of securities subject to the Maximum Tender Offers who validly tender their securities on or before 5:00 p.m. New York City time on Dec. 1, 2005 may not withdraw their securities after Dec. 1, 2005 except in the limited circumstances as described in the Offer to Purchase.

The terms and conditions of the Offers, including the conditions to Weyerhaeuser's obligation to accept any Securities tendered and to pay the applicable Full Tender Offer Consideration, plus accrued and unpaid interest, are set forth in the Offer to Purchase dated Nov. 16, 2005. Each tender offer is conditioned upon the satisfaction of certain conditions described in the Offer to Purchase.

JPMorgan and Banc of America Securities LLC are the dealer managers for the Offer and Deutsche Bank Securities, Inc. is co-dealer manager for the Offers. Global Bondholder Services Corporation is the Depositary and Information Agent for the Offers. This news release is neither an offer to purchase nor a solicitation of an offer to sell securities. The Offers are made only by the Offer to Purchase dated Nov. 16, 2005, and the information in this news release is qualified by reference to the Offer to Purchase. Persons with questions regarding the Offers should contact JPMorgan toll free at (866) 834-4666 or collect at (212) 834-4077, Attn. Liability Management Group or Banc of America Securities LLC toll free at (866) 475-9886 or collect at (704) 388-4603, Attn. Liability Management Group. Requests for documents should be directed to Global Bondholder Services Corporation toll free at (866) 804-2200 or (bankers and brokers) collect at (212) 430-3774.

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/ .

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 of Weyerhaeuser Company

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