GRANDE PRAIRIE, ALBERTA,CANADA, Dec 23, 2010 — The Government of Canada has announced an investment in Weyerhaeuser Company Limited to help it become more productive, competitive and sustainable. The Honourable Rob Merrifield, Minister of State for Transport, and Chris Warkentin, Member of Parliament for Peace River, announced today that Weyerhaeuser’s Grande Prairie mill will receive over $32 million from the federal Pulp and Paper Green Transformation Program.