ECD, CertainTeed develop sustainable roofing

(Valley Forge, Pa. and Rochester Hills, Mich.) October 2, 2008 – Energy Conversion Devices, Inc. (ECD) (NASDAQ: ENER), the leading global manufacturer of thin-film flexible solar laminates, and CertainTeed Corporation, a leading North American building products manufacturer, today announced a joint agreement to develop roofing-integrated photovoltaic products for the residential market, combining ECD’s UNI-SOLAR cells with CertainTeed roofing products. The companies expect these new products to be commercially available beginning in 2010.

Mark Morelli, ECD’s President and CEO stated, “This agreement is a significant expansion into a new market for ECD. CertainTeed is clearly an industry leader in building materials and has a broad product offering that can take advantage of the unique characteristics of our flexible, lightweight and reliable UNI-SOLAR cells.”

“We are very pleased to be working with ECD to develop solar roofing products for residential roofing applications,” said Guillaume Texier, President of CertainTeed Roofing. “The lightweight and flexible design of the UNI-SOLAR solar cells makes them ideal for integrating directly into our roofing products and will help us create aesthetically pleasing solar solutions that blend seamlessly into the homeowner’s architecture, while generating clean, renewable energy. This agreement reinforces our commitment to developing sustainable building products, which is in line with our parent company Saint-Gobain’s strategy to provide innovative solutions for the construction markets”