PPG announces efficiency improvements to SOLARPHIRE PV photovoltaic glass

Improved transmittance helps to increase power output of solar components

PITTSBURGH, March 14, 2011 – PPG Industries (NYSE:PPG) announced that it has improved the solar transmittance of SOLARPHIRE(R) PV photovoltaic glass to help enhance the performance of solar energy collection components manufactured with this glass.

Solarphire PV glass features ultra-low iron levels for high transmittance across the entire solar spectrum and a proprietary glass chemistry that increases solar transmittance in the near-infrared band. In thicknesses of up to 3.2 millimeters, Solarphire PV glass transmits up to 91 percent of total solar energy. The glass also is available with anti-reflective and corrosion-retardant coatings to satisfy the specific performance requirements of component manufacturers.

For more information about Solarphire PV glass and PPG’s entire collection of advanced glasses and coatings for the solar power industry, visit www.ppgsolarphire.com or call 1-888-PPG-SUN1 (774-7861).

About PPG
PPG Industries’ vision is to continue to be the world’s leading coatings and specialty products company. Founded in 1883, the company serves customers in industrial, transportation, consumer products, and construction markets and aftermarkets. With headquarters in Pittsburgh, PPG operates in more than 60 countries around the globe. Sales in 2010 were $13.4 billion. PPG shares are traded on the New York Stock Exchange (symbol: PPG). For more information, visit www.ppg.com.

Solarphire is a registered trademark of PPG Industries Ohio, Inc.
–110314Solarphire–
Contact:
Rob Struble
PPG Flat Glass
412-820-8138
rstruble@ppg.com
www.ppgideascapes.com
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