SEATTLE--(BUSINESS WIRE)--July 6, 2006--Plum Creek Timber Company,Inc. (NYSE:PCL) will release its second quarter 2006 earnings onMonday, July 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, July 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 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 dial706-645-9676. All callers should reference Plum Creek. A replay of thecall will be available for 48 hours after completion of the live calland can be accessed at 800-642-1687 or 706-645-9291 (internationalcalls), using the code 3473683.

Plum Creek is the largest and most geographically diverse privatelandowner in the nation with more than 8 million acres of timberlandsin major timber producing regions of the United States and 10 woodproducts manufacturing facilities in the Northwest.

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

SOURCE: Plum Creek Timber Company, Inc.