Schaumburg, IL (January 1, 2007). USG has extended their EDI partnership with Effective Data (ED), a private Schaumburg - based EDI Consulting and Data Integration firm.

Chicago, IL – based USG Corporation has extended their long-term relationship with Effective Data. USG continues to rely on the Effective Data expertise in EDI to develop and/or maintain applications that support USG EDI processes, coordinate and execute EDI partnership requirements, including coding and testing phases with USG customers, transfer knowledge and train appropriate personnel where expertise deficits exist, and to monitor and maintain a secure, organized, documented, timely and accurate production environment to ensure a seamless, accurate trading partner environment.

Effective Data and USG have built a solid, long-term relationship based on honesty, integrity and mutual respect.

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About USG Corporation
USG (NYSE: USG) knows: Where there's a wall, there's likely SHEETROCK, the world's #1 brand of wallboard. USG's North American Gypsum division manufactures SHEETROCK brand gypsum products and joint compound and DUROCK brand cement board. It also manufactures abuse-resistant wall panels (FIBEROCK), poured gypsum underlayments (LEVELROCK), and construction plaster products. Once you're done with the walls, the company's Worldwide Ceilings division offers interior ceiling grid systems and acoustic tile. USG's Building Products Distribution division distributes building products through L&W Supply.