Plum Creek President and CEO to Speak at Citigroup’s 11th Annual Paper and Forest Products Conference

Plum Creek Timber Company, Inc. (NYSE:PCL) today announced that Rick Holley, president and chief executive officer, will present at Citigroup’s 11th Annual Paper and Forest Products Conference on December 7, 2006, at approximately 11:25 a.m. EST.

A live audio webcast of the presentation (with slides) will be accessible from Plum Creek’s Internet site at http://www.plumcreek.com by clicking on the “Investors” section and following the directions.

A replay of the webcast will also be available on Plum Creek’s website for approximately one month starting 24 hours after the presentation.

Plum Creek is the largest and most geographically diverse private landowner in the nation with more than 8 million acres of timberlands in major timber producing regions of the United States and 10 wood products manufacturing facilities in the Northwest.