Berlin, Germany - 21 May 2008. Heliocentris Fuel Cells AG, a leading fuel cell system integrator, today announces a new agreement with strategic partner Ballard Power Systems (Canada), a world leader in clean energy fuel cell products. Under this new agreement Ballard has transferred the post-warranty technical customer service for its Nexaâ power modules to Heliocentris.

Ballard Power Systems has granted Heliocentris worldwide rights to operate as the technical customer service provider for Ballard's Nexaâ power modules. Heliocentris will now be the contact point for all previous and new customers, both industrial and academic, throughout the world. Heliocentris will provide product support and servicing for two years after the last Nexaâ power module sale, which is expected to be in 2009, as Ballard will stop production of these power modules in 2008. Heliocentris will, however, offer an improved successor product based on Ballard's next generation Mark1020 ACS fuel cells.

"This arrangement is validation of our servicing capabilities based on more than 10 years experience in marketing fuel cell systems," said Dr. Henrik Colell, CEO of Heliocentris Fuel Cells AG. "Furthermore, this shows the trust Ballard has in us."

"This agreement between Ballard and Heliocentris is based on four years of commercial cooperation between our companies," said Paul Cass, Director of Customer Service at Ballard Power Systems. "Throughout this time we have been impressed by Heliocentris' technological competence and quality of work," he added.

Please contact us for further information: Heliocentris Fuel Cells AG Dr András Gosztonyi (CFO) Tel.: +49-(0)30-6392-6185 E-mail: investorrelations@heliocentris.com

About Heliocentris Fuel Cells AG:

Heliocentris is a leading provider and system integrator of fuel cells. Educational institutions, universities, research facilities and companies in over 50 countries are among its more than 10,000 clients. These customers already use over 50 items from among Heliocentris' eight product lines today. Worldwide, Heliocentris ranks as one of the market leaders in the field of educational and R&D systems for fuel cells. The width of the offering ranges from educational systems for instruction and studies to integrated laboratory equipment for research and development as well as industrial applications tailored to the client. Fuel cells are considered to be a key technology for the supply of energy by means of renewable energy sources. Fuel cells are environmentally friendly electrochemical energy converters that transform chemical energy directly into electricity and heat with a high level of efficiency.

As a pioneer in its field, Heliocentris possesses a wealth of long-time experience in the development, production and marketing of this significant technology of the future. The company is headquartered in Berlin, Germany. A subsidiary in Vancouver, Canada, serves the American market.

Disclaimer

This press release contains forward-looking statements that are based on current assumptions and forecasts of the management of Heliocentris Fuel Cells AG. Known and unknown risks, uncertainties and other factors could lead to material differences between the forward-looking statements given here and the actual development, in particular the results, financial situation and performance of our Company. The Company assumes no liability to update these forward-looking statements or to conform them to future events or developments.

The information in this press release does not constitute an offer of securities for sale or a solicitation of an offer to purchase securities in the United States or any other country.

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