Weyerhaeuser to Release First Quarter Results on April 29

Weyerhaeuser Company (NYSE:WY) will release first quarter 2011 results
on April 29 before the market opens. The company will hold a live
conference call at 7 a.m. Pacific (10 a.m. Eastern) on April 29 to
discuss first quarter results.

To access the conference call from within North America, dial (877)
296-9413 (access code ? 29868744) at least 15 minutes prior to the call.
Those calling from outside North America should dial 1-(706) 679-2458
(access code ? 29868744). Replays will be available for one week at
(800) 642-1687 (access code ? 29868744) from within North America and at
1-(706) 645-9291 (access code ? 29868744) 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 'Q1 2011 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 2010, we
employed approximately 14,000 employees in 10 countries. We have
customers worldwide and generated $6.6 billion in sales in 2010. 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