ANN ARBOR, MI, April 12, 2007 "“ Cleantech Venture Network®, LLC, a Cleantech Group™ Company, announced today that Cleantech Forum™ XIII, the largest convening of the cleantech investment community in Europe, will be hosted at the Frankfurt Marriott on May 14-16, 2007.

Cleantech Forum™ XIII, the premier annual gathering of the global cleantech community in Europe, will bring together more than 400 investment, business, science and policy-leaders from across Europe, North America and Asia to focus on increasing capital investment opportunities to address climate change, water scarcity, removing toxins from industrial and consumer products, increasing energy efficiency and improving capital flows globally to cleantech companies and markets. In 2006, European venture capital investment in cleantech totaled more than USD$695 million and included substantial investments in energy, agriculture, manufacturing/industrial, recycling & waste and water & wastewater. The Cleantech Venture Network™ projects that venture capital investments into the cleantech category in Europe will surpass the record levels set in 2006.

Participating in Cleantech Forum™ XIII are top executives from leading international financial institutions (Jefferies & Co., Rabobank and Nomura), global financial services companies (Ernst & Young), leading venture capital firms (3i, Apax and Kleiner Perkins) and specialist investment firms (Global Environment Fund, Aloe Private Equity, Climate Change Capital, Impax Asset Management, Carbon Trust, Emerald Technology Ventures, Foursome Investments, TVM Capital, WHEB Ventures Environmental Technologies Fund, Capricorn Venture Partners NV, Robeco Private Equity, Hydro Technology Ventures, Demeter Partners, Zouk Ventures, Atlas Venture GmbH, Noventi and Braemar Energy Ventures), leading national research laboratories (Fraunhofer, Imperial, Chalmers and VTT), top corporations (Danfoss, BASF, Dupont, Degussa, Siemens and Kuwait Petroleum Corporation) and leading services providers (Taylor Wessing, Mouchel Parkman, Mayer, Brown, Rowe & Maw LLP).

"The key market drivers and landmark policy frameworks are in place across Europe for a significant increase in cleantech investment," said Nicholas Parker, chairman and co-founder of the Cleantech Group™, parent company of the Cleantech Venture Network®. "We are pleased to be returning to Europe where Cleantech Forumâ„¢ XIII will serve to further align capital and policy frameworks as the markets accept the challenge of addressing the increasing environmental challenges and opportunities that we face globally."

The Cleantech Forums™ are the world's premier cleantech investment platforms, providing unparalleled networking, deal flow and thought-leadership for the cleantech investment category. The Cleantech Venture Network® defined and introduced cleantech as an investment category in 2002. Since its inception, it has facilitated more than USD$700 million in venture financing for promising cleantech companies and is composed of an affiliate membership base of more than 1,300 major investors worldwide with combined assets exceeding USD$3 trillion.

About Cleantech Venture Network®, LLC

The Cleantech Venture Network® LLC is a membership network which catalyzes investment, business opportunities, and relationships driving the growth of cleantech globally. The Cleantech Venture Network® founded the cleantech investment category in 2002 and brings together stakeholders at the four Cleantech Forums â„¢ per year and provides investors, executives, government agencies, and media accurate and consistent data on cleantech venture investments, M&A and IPO's for North America, Europe, and China. The network has over 8,000 cleantech investors and 9,500 companies worldwide that take advantage of the global Cleantech Forums™, comprehensive market research services and reports, online proprietary deal flow and investor directory. In addition, the Cleantech Venture Network® provides timely investor information services, including the twice-a-month market intelligence newsletter, Cleantech Capital Alert™ and the quarterly Cleantech Investment Monitor™ report which tracks and analyzes all cleantech investments, M&As and IPOs in North America and Europe.

For more information or to register, please visit: www.cleantech.com

Cleantech Group LLC

Cleantech Group LLC

The Cleantech Group™ LLC provides insight, opportunities and builds relationships that catalyze and accelerate the growth of cleantech markets globally. The Cleantech Group™ family of companies are the founders of the cleantech investment category and bring investors, executives, thought leaders, policy makers and entrepreneurs together to facilitate the growth of cleantech globally through six business units; the Cleantech Venture Network®, Cleantech Advisors™, Cleantech Indices™, Cleantech China™, Cleantech Innovation Institute™ and Cleantech Search™. Since introducing cleantech as a viable investment thesis in 2002 the efforts of the Cleantech Group™ companies has spawned a new investment class with an annual growth rate exceeding 50 percent in North America with over $2.9 billion in venture capital invested in 2006, a 78% increase over 2005.

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