Cobasys Achieves Third Major Quality Certification in 2005: Registration to ISO 9001:2000/TL 9000

Orion, Mich., November 3, 2005 � Cobasys, a leading supplier of advanced Nickel Metal Hydride (NiMH) energy storage solutions, today announced it has been registered to the International Standard ISO 9001:2000 and TL 9000. Cobasys is now among an elite group of battery companies to have met the demanding standards for TL 9000 certification which has become a prerequisite to supply major telecommunications equipment and service providers. This represents the third quality certification within one year for Cobasys. The company previously announced certification to ISO/TS 16949 which is the most advanced quality standard required to supply the automotive industry. Registration to ISO-17025 which certifies testing and calibration labs was achieved this October.

�Achieving this distinction is confirmation that our entire company is committed to sustaining the highest levels of quality and continuous process improvement,� said Gary Absher, Vice President of Product Development at Cobasys.

Michael Paruszkiewicz, C.Q.M., Corporate Quality Manager at Cobasys stated, �We are among the few companies in our industry to achieve this certification. Our next steps include the implementation of the Six Sigma toolset and competing for the Malcolm Baldridge Quality Award. This certification provides yet another competitive edge for our customers and for Cobasys.�

Cobasys designs and manufactures advanced Nickel Metal Hydride (NiMH) battery system solutions for transportation markets, including Hybrid Electric Vehicles (HEV), Electric Vehicles (EV) and 42 volt applications, in addition to Stationary Back-Up power supply systems for Uninterruptible Power Supply (UPS), Telecom and Distributed Generation requirements.

Cobasys is a joint venture between Chevron Technology Ventures LLC, a subsidiary of Chevron Corporation (NYSE: CVX) and Energy Conversion Devices, Inc. (NASDAQ: ENER). For more information about Cobasys contact Ray Wagner, Vice President of Marketing at 248-620-5700 or visit our website at www.Cobasys.com.

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