SEATTLE--(BUSINESS WIRE)--March 31, 2006--Plum Creek TimberCompany, Inc. (NYSE:PCL) will release its first quarter 2006 earningson Monday, April 24, 2006, following the stock market close.

The company will host a conference call led by Rick Holley,president and chief executive officer, on Monday, April 24, 2006, todiscuss these results at 5:00 p.m. EDT (2:00 p.m. PDT).

A live webcast of the conference call may be accessed through PlumCreek's website at www.plumcreek.com by clicking on the "Investors"link.

To access the conference call by telephone, listeners calling fromthe United States and Canada should dial 1-800-572-9852 at least 10minutes prior to the start of the event. Those wishing to access thecall from outside the United States and Canada should dial1-706-645-9676. All callers should reference Plum Creek's firstquarter 2006 earnings conference call. A replay of the call will beavailable for 48 hours after completion of the live call and can beaccessed at 1-800-642-1687 or 1-706-645-9291 (international calls),using the code 3473559.

Plum Creek is one of the largest private timberland owners in thenation, with more than 8 million acres of timberlands in major timberproducing regions of the United States and 10 wood productsmanufacturing facilities in the Northwest.

CONTACT: Plum Creek Timber Company, Inc.
Barbara Garland (Investor Relations), 206-467-3600
or 800-858-5347
www.plumcreek.com

SOURCE: Plum Creek Timber Company, Inc.