James S. Metcalf, Chairman, President and Chief Executive Officer of USG Corporation (NYSE:USG), a leading building products company, will speak on Tuesday, September 10, 2013 at the RBC Capital Markets’ Global Industrials Conference at the Mandarin Oriental Hotel in Las Vegas. The presentation is scheduled to begin at approximately 9:10 a.m. Pacific Time. A live audiocast 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 webpage until Friday, September 20, 2013. To listen to the live webcast, 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. 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 commercial, residential, and repair and remodel construction markets. USG’s wall, ceiling, flooring and roofing products provide leading-edge building solutions for customers, while L&W Supply branch locations efficiently stock and deliver building materials nationwide. For additional information, visit the USG website at www.usg.com.