News Release

For immediate release For more information contact: August 22, 2011 Michael B. Loughery, CertainTeed (610) 341-7328 [email protected] www.certainteed.com/pressroom

AMAROK Honors CertainTeed Gypsum with Preferred Vendor of the Year Award

(Tampa, Fla.) – AMAROK, a walls and ceilings distributor cooperative that is a division of Affiliated Distributors, recently honored CertainTeed Gypsum with its highly coveted Preferred Vendor of the Year Award. After polling its members on the company whose performance went above and beyond in the past year, AMAROK overwhelmingly selected CertainTeed Gypsum.

“It is the superior standard of service that makes CertainTeed the kind of company that we are proud to associate with,” said Dan Maroni, senior vice president of the AMAROK Division of Affiliated Distributors. “CertainTeed is a company that understands the meaning of partnership and goes the extra mile to deliver excellence.”

“We are truly honored to receive the Vendor of the Year Award. AMAROK is a respected cooperative and we are pleased to call them a partner,” said John Donaldson, president of CertainTeed Gypsum. “We are also proud of our employees who work hard to produce innovative, sustainable products and provide unsurpassed service to our customers.”

AMAROK is comprised of leading independent wall and ceiling distributors throughout the United States. The cooperative serves approximately 144 independent distributors with 292 locations in the United States and represents approximately $2 billion in sales.

Offering a broad range of gypsum and finishing products for interior and exterior needs, CertainTeed Gypsum has served the North American building industry for more than 80 years and is a subsidiary of Saint-Gobain, the world’s leading producer of gypsum products. This, in combination with the full range of affiliated CertainTeed Corporation building products, provides architects, contractors, builders and dealers one partner to provide service and support for commercial and residential building projects. News Release AMAROK Award – Page 2 of 2

About CertainTeed Through the responsible development of innovative and sustainable building products, CertainTeed, headquartered in Valley Forge, Pa., has helped shape the building products industry for more than 100 years. Founded in 1904 as General Roofing Manufacturing Company, the firm's slogan "Quality Made Certain, Satisfaction Guaranteed," quickly inspired the name CertainTeed. Today, CertainTeed® is North America’s leading brand of exterior and interior building products, including roofing, siding, fence, decking, railing, trim, foundations, pipe, insulation, gypsum, ceilings and access covers.

A subsidiary of Saint-Gobain, the world’s largest building products company, CertainTeed and its affiliates have more than 6,000 employees and more than 65 manufacturing facilities throughout the United States and Canada. Recognized as a 2009 and 2010 ENERGY STAR Partner of the Year by the U.S. Environmental Protection Agency, CertainTeed earned the 2011 ENERGY STAR Sustained Excellence Award, the highest level of recognition for outstanding contributions to protecting the environment through energy efficiency. The group had total sales of approximately $3 billion in 2010. www.certainteed.com

About Affiliated Distributors Affiliated Distributors is the largest wholesale buying and marketing group in North America, comprised of over 530 independent distributor companies with over 3,000 locations in the U.S. and Canada. A-D's membership commands over $20 billion in sales across six industries: electrical supplies; industrial supplies; plumbing supplies; HVAC equipment and supplies; drywall and drywall related products; and pipe, valves and fittings.

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