ECD Ovonics' Battery Subsidiary Grants Patent License to L&K Battery Technology of China

ROCHESTER HILLS, Mich., May 25, 2006 -- Energy Conversion Devices, Inc. (ECD Ovonics) announced today that its subsidiary, Ovonic Battery Company, Inc. (Ovonic Battery), has entered into a patent license agreement in connection with its proprietary nickel metal hydride (NiMH) battery technology with L&K Battery Technology Co., Ltd. (L&K Battery) of the People's Republic of China. Under the consumer battery license grant, L&K Battery has a royalty-bearing, nonexclusive right to make, use and sell NiMH batteries for consumer nonpropulsion applications.

In a statement, Stanford R. Ovshinsky, ECD Ovonics President and Chief Scientist and Technologist and CEO of Ovonic Battery, said, "We welcome L&K Battery as a licensee of our Ovonic NiMH battery technology. We have long recognized the strategic importance of a strong license network within the People's Republic of China. L&K Battery's decision to become an Ovonic licensee is a reflection not only of our very strong patent position, but also of a long-time positive relationship with China. We look forward to a lasting cooperation between our companies."

About ECD Ovonics

ECD Ovonics is the leader in the synthesis of new materials and the development of advanced production technology and innovative products. It has invented, pioneered and developed its proprietary, enabling technologies in the fields of energy and information leading to new products and production processes based on amorphous, disordered and related materials. The Company's portfolio of alternative energy solutions includes Ovonic thin-film amorphous solar cells, modules, panels and systems for generating solar electric power; Ovonic NiMH batteries; Ovonic hydride storage materials capable of storing hydrogen in the solid state for use as a feedstock for fuel cells or internal combustion engines or as an enhancement or replacement for any type of hydrocarbon fuel; and Ovonic fuel cell technology. ECD Ovonics' proprietary advanced information technologies include Ovonic phase-change electrical memory, Ovonic phase-change optical memory and the Ovonic Threshold Switch. ECD Ovonics designs and builds manufacturing machinery that incorporates its proprietary production processes, maintains ongoing research and development programs to continually improve its products and develops new applications for its technologies. ECD Ovonics holds the basic patents in its fields. More information on ECD Ovonics is found on http://www.ovonic.com/ .

About L&K Battery

L&K Battery was founded in 2000 and its factory is located in the Guangdong Province, China. L&K Battery produces batteries of multiple chemistries and manufactures a wide range of NiMH products for portable electronic devices. L&K Battery's website is http://www.lkbattery.com/ .