DuPont to investing $120 million in photovoltaic film research

Wilmington, Del., August 20, 2009 — As a supplier of materials to the solar photovoltaic industry, DuPont is launching a multi-phase production expansion for its Tedlar polyvinyl fluoride (PVF) product line.

This phase of the expansion represents more than $120 million in investment which increases, by more than 50 percent, the capacity of monomer and resin used in producing Tedlar films. Tedlar films serve as the critical backsheet component, providing long-term durability for photovoltaic modules in all-weather conditions.

Site selections for this phase of the Tedlar capacity expansion are complete, and construction has begun for new monomer and resin facilities at the DuPont Louisville, Ky., and Fayetteville, N.C., sites, respectively. The facilities are scheduled to start up in mid-2010.

DuPont anticipates that the photovoltaic market will grow rapidly over the next several years, and this growth will drive the demand for Tedlar and other new materials that increase the lifetime and efficiency of solar cells and modules. DuPont expects that overall sales of its family of products into the photovoltaic industry will exceed $1 billion by 2012.

DuPont already has implemented capacity expansions in 2009 for Tedlar PV2100 series film and is completing the engineering and design for a planned expansion of Tedlar PV2000 series film production, which together will more than double Tedlar film capacity for the photovoltaic industry.

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