Weyerhaeuser's 2010 Sustainability Performance Available Online

Weyerhaeuser Company (NYSE:WY) today announced its 2010 sustainability
performance results are available online at www.weyerhaeuser.com/sustainability.
The report also details the company′s new
2020 sustainability strategy, which establishes a number of new
goals and targets while reinforcing existing commitments.

Weyerhaeuser′s 2010 sustainability achievements include:

• 
  Employees sustained their track record of safety excellence by
  maintaining a recordable incident rate of less than one. Seventy-six
  percent of the company′s facilities operated injury-free.
  
• 
  The company′s cellulose fibers mills reduced water use by 16 percent
  compared to 2007, making progress towards their goal of 20 percent by
  2012.
  
• 
  One hundred percent of the 20 million acres of timberland the company
  owns or manages in North America maintained certification to the
  Sustainable Forestry Initiative ® standard.
  
• 
  The company reduced its greenhouse gas emissions by 26 percent
  compared to 2000 levels, making progress towards its long-term goal of
  40 percent by 2020.
  
• 
  The company′s five homebuilding subsidiaries continued to be
  acknowledged for leadership in building energy-efficient homes. Pardee
  Homes was recognized as the National Association of Home Builders'
  2010 Green Building Corporate Advocate of the Year.
  
• 
  Weyerhaeuser employees gave 14,127 hours of their time to support 113
  projects in communities where the company operates.
  

'These results show our commitment to sustainability has not wavered
during these difficult economic times,? said Dan Fulton, President and
CEO. 'We manage valuable renewable natural resources to deliver superior
sustainable solutions to the world. It′s a responsibility we take
seriously. Our 2020 sustainability strategy will serve as both
foundation and guiding post as we continue to make progress against the
goals we′ve set to ensure the long-term health of our company,
communities, and the planet we share.?

In 2011, Weyerhaeuser was ranked by FORTUNE magazine as the most admired
forest and paper products company in the world. Weyerhaeuser tied for
tenth in FORTUNE′s overall ranking of companies that are best in social
responsibility. Weyerhaeuser was also included on the Dow Jones
Sustainability Index for North America (2010), the Global 100 Most
Sustainable Corporations in the World (2011) and Corporate
Responsibility Magazine 100 Best Corporate Citizens (2011).

Weyerhaeuser has published a sustainability report since 2002, following
the guidelines recommended by the Global Reporting Initiative, a
voluntary standard for corporate reporting on economic, environmental,
and social performance.

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 22 million acres of timberland worldwide 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 www.weyerhaeuser.com.

Weyerhaeuser Company

Media ? Xan McCallum, 253-924-3781