CHICAGO, Jan. 14 /PRNewswire-FirstCall/ -- USG Corporation (NYSE: USG), a leading building products company, will hold a conference call and webcast to discuss fourth quarter and full year 2008 results on Wednesday, January 28, 2009, at 11:00 a.m. Eastern Time (10:00 a.m. Central Time).

This call can be accessed at USG's web site at http://investor.usg.com .

To participate in the call, please dial 1-800-315-2944 (U.S. & Canada). International callers should dial 1-847-413-2929. Please call ten minutes prior to start time. The passcode is 23599997.

A replay of the webcast will be available on the USG web site until Friday, February 6, 2009. A telephone replay of the call will also be available. The replay dial-in number is 1-888-843-8996 (1-630-652-3044 for international callers), and the passcode is 23599997. The telephonic replay will be available until Friday, February 6, 2009.

About USG

USG Corporation is a Fortune 500 manufacturer and distributor of high-performance building systems through its United States Gypsum Company, USG Interiors, Inc. and L&W Supply Corporation subsidiaries. Headquartered in Chicago, USG serves the residential and non-residential construction markets, repair and remodel construction markets, and industrial processes. USG's wall, ceiling, flooring and roofing products provide leading-edge building solutions for customers, while L&W Supply center locations efficiently stock and deliver building materials nationwide. For additional information, visit the USG Web site at www.usg.com

Contact Information:

Media Inquiries: 312/436-4356

Investor Relations: 312/436-4125

SOURCE USG Corporation