2009-11-11 17:02:04 -

James S. Metcalf, President and COO of USG Corporation (NYSE:USG), a leading building products company, will speak on Tuesday, November 17, 2009 at the Stephens Inc. Fall Investment Conference at the New York Palace Hotel in New York. The presentation is scheduled to begin at approximately 2:30 p.m. Eastern Time. A live Webcast of the presentation may be accessed from

the investor information page of the USG Corporation Website at investor.usg.com : .

The Webcast will be archived and available on the Investor Information Web page until Monday, November 30.

To listen to the live Webcasts, participants must have a multimedia computer and Windows Media Player software. To download the software prior to a Webcast, participants should visit investor.usg.com : , click on the Webcast link, complete the registration form and then click Help. Participants should access the Webcast event page at least 15 minutes before the live event.

USG Corporation is a manufacturer and distributor of high-performance building systems through its United States Gypsum Company, USG Interiors, Inc. and L&W Supply Corporation and other subsidiaries.
Headquartered in Chicago, USG’s worldwide operations serve 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 : .



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