Weyerhaeuser Company

Federal Way, Washington, USA, 03 January 2008 — Weyerhaeuser Company (NYSE: WY) will release fourth quarter 2007 results on 08 February, before the market opens. The company will hold a live conference call at 7 a.m. Pacific (10 a.m. Eastern) on 08 February to discuss fourth quarter results.

To access the conference call from within North America, dial 1-800-218-0530 at least 15 minutes before the call. Those calling from outside North America should dial 1-303-275-2170. Replays will be available for one week at 1-800-405-2236 (access code – 11105215#) from within North America and at 1-303-590-3000 (access code – 11105215#) from outside North America.

The call is being webcast through Weyerhaeuser’s Internet site at http://investor.weyerhaeuser.com and can be accessed by clicking on the “Q4 2007 Earnings Conference Call” link.

The webcast is available through the Thomson StreetEvents Network to both institutional and individual investors. Individual investors can listen to the call at http://www.fulldisclosure.com, Thomson’s individual investor portal, powered by StreetEvents. Institutional investors can access the call via Thomson’s password-protected site, StreetEvents (http://www.streetevents.com).

Weyerhaeuser Company, one of the world's largest forest products companies, was incorporated in 1900. In 2006, sales were $21.9 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. Additional information about Weyerhaeuser's businesses, products and practices is available at http://www.weyerhaeuser.com.