SunWize, a supplier of market-leading solar energy solutions, will deliver high-quality products and services to SmartRoof customers through trained and authorized professionals for sales and installations in New York, New Jersey and Massachusetts.

AUBURN HILLS, Mich., July 15, 2003  United Solar Systems Corp. (Uni-Solar), the world leader in thin-film amorphous silicon solar technology and a wholly owned subsidiary of Energy Conversion Devices, Inc. (ECD) (NASDAQ:ENER), today announced that SunWize Technologies, Inc. is its most recent solar industry partner to become a value-added reseller (VAR) of the SmartRoof by Uni-Solar integrated residential solar energy system. SunWize, a supplier of market-leading solar energy solutions, will deliver high-quality products and services to SmartRoof customers through trained and authorized professionals for sales and installations in New York, New Jersey and Massachusetts. SunWize is strengthening its relationship with Uni-Solar by participating in the recently introduced SmartRoof VAR program following several successful years as a Uni-Solar product distributor.

The Uni-Solar SmartRoof program provides homeowners with easy-to-buy solar grid-tied systems. Consultants provide detailed product and design information to assist homeowners in choosing a system that is suitable for their needs. Certified personnel experienced in solar power systems and wiring install the systems ensuring a quality system that produces years of reliable power.

This program provides three system options, including Uni-Solar building integrated photovoltaic laminates, solar shingles and framed modules. Uni-Solar systems can generate up to 90 percent of a typical household's daily electrical needs, thus enabling homeowners to save money on their utility bills and, in the process, do something exceptional for the environment. Benefits of the systems include enhanced aesthetics when compared to traditional rooftop-mounted solar systems, ease of installation, lower maintenance and full integration into a home's roof. Systems include everything homeowners need to generate their own clean, reliable power. More information on Uni-Solar's SmartRoof solution can be found at www.smartroofsolar.com.

About Uni-Solar
Uni-Solar, building on technology invented and pioneered by ECD, is the world leader in thin-film amorphous photovoltaics. ECD and Uni-Solar hold the basic patents covering the continuous roll-to-roll manufacturing of thin-film amorphous silicon alloy multi-junction solar cells and related products. Uni-Solar offers a line of solar electric roofing panels, which are unique, flexible, lightweight and architecturally attractive. More information is available at www.uni-solar.com.

About SunWize
SunWize Technologies, a solar technology company, specializes in the design and manufacture of integrated solar power systems, and associated project development and product distribution. The company operates a manufacturing/distribution facility in Kingston, NY and a distribution center in Oxnard, CA. More information on SunWize can be found at www.sunwize.com.