USG Corporation (NYSE:USG), a leading building products company, will hold a conference call and webcast to discuss first quarter 2012 results on Tuesday, April 17, 2012, at 11:00 a.m. Eastern time (10:00 a.m. Central time). This call and Webcast can be accessed at USG's Web site at http://investor.usg.com. To participate by phone, 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 pass code is 32196653. A replay of the webcast will be available on the USG Web site until Friday, April 27, 2012. A telephone replay of the call will also be available. The replay dial-in number is 1-888-843-7419 (1-630-652-3042 for international callers), and the pass code is 32196653. The telephonic replay will be available until Friday, April 27, 2012 as well. About USG USG Corporation is a manufacturer and distributor of high-performance building systems through its United States Gypsum Company, USG Interiors, LLC, 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 branches efficiently stock and deliver building materials nationwide. For additional information, visit the USG Web site at http://www.usg.com.