Weyerhaeuser to Release Fourth Quarter Earnings on Feb. 4

Weyerhaeuser Company (NYSE: WY) will release fourth quarter 2010 results
on Feb. 4 before the market opens. The company will hold a live
conference call at 7 a.m. Pacific (10 a.m. Eastern) on Feb. 4 to discuss
fourth quarter results.

To access the conference call from within North America, dial
877-296-9413 (access code ? 29868228) at least 15 minutes prior to the
call. Those calling from outside North America should dial
1-706-679-2458 (access code ? 29868228). Replays will be available for
one week at 800-642-1687 (access code ? 29868228) from within North
America and at 1-706-645-9291 (access code ? 29868228) from outside
North America.

The call is being webcast through Weyerhaeuser′s Internet site at http://investor.weyerhaeuser.com
and is accessible by selecting the 'Q4 2010 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, began operations in 1900. We grow and harvest trees, build
homes and make a range of forest products essential to everyday lives.
We manage our timberland on a sustainable basis in compliance with
internationally recognized forestry standards. At the end of 2009, we
employed approximately 14,900 employees in 10 countries. We have
customers worldwide and generated $5.5 billion in sales in 2009. Our
stock trades on the New York Stock exchange under the symbol WY.
Additional information about us is available at http://www.weyerhaeuser.com.

Weyerhaeuser Company

Media: Bruce Amundson, 253-924-3047

Analysts:
Kathryn McAuley, 253-924-2058