Q1 2007 Cleantech Venture Investment Totals EUR 663 Million

Cleantech Venture Network(R) researchers reported today that in Q1
2007, North American and European venture investment in the cleantech
category totaled EUR 663 million. This represented a 16.5% increase
over the EUR 569 million invested in Q4 2006 and a 42% increase over
Q1 2006 investment of EUR 465 million. Cleantech Venture Network(R) is
the leading network of cleantech investors worldwide containing a
membership across asset classes with over EUR 2 trillion under
management and organizing the Cleantech Forum(TM) in Frankfurt on May
14-16 where over 400 investors will meet to discuss emerging European
technology, trends and investment opportunities.

For the quarter, European cleantech venture capital investment
totaled EUR 126 million, a 6% increase over Q4 2006 and a 43% over Q1
2006. Germany accounted for EUR 28 million, or 22%, and UK investment
reached EUR 46 million accounting for 36%. North American venture
capital investment totaled EUR 536 million, an increase of 19% over Q4
2006 and 42% increase over Q1 2006 investment.

In Europe, EUR 72 million was invested in the energy generation
category, garnering 57% of total European cleantech investment. The UK
accounted for 40% of the total energy generation investment and
Germany 20%. In North America, energy generation took in EUR 292
million, accounting for about 54% of total venture capital investment.

Q1 2007 growth follows a 45% increase in venture investment in
2006 over 2005. European and North American venture capitalist
invested EUR 2.6 billion in 2006.

"The increasing amount of venture investment coupled with M&A and
IPO activity globally continues to demonstrate the potential for
cleantech returns," said Nicholas Parker, chairman and co-founder of
the Cleantech Group(TM), parent company of the Cleantech Venture
Network(R).

Germany is taking the lead to further reduce greenhouse gas
emissions throughout the EU and is riding the success of its Renewable
Energy Law that stimulated investment and public offerings making
Frankfurt the logical site for Cleantech Forum(TM) XIII being held
14-16 May. The Cleantech Forums(TM) are the world's premier cleantech
investment platforms, providing unparalleled industry definition,
analysis, networking, deal flow and thought leadership for the rapidly
emerging cleantech industry. This is the largest gathering of top tier
cleantech investors, corporate leaders and innovators in Europe each
year. www.cleantech.com/Frankfurt

About Cleantech Venture Network(R), LLC

The Cleantech Venture Network(R) LLC is a membership group that
catalyzes investment, business opportunities and relationships driving
the growth of cleantech globally. The Cleantech Venture Network(R)
popularized the term cleantech in 2002 and defined the category,
providing investors, executives, government agencies and media
accurate and consistent data dating from 1999. The network has over
8,000 cleantech investors and 9,500 companies worldwide that take
advantage of the global Cleantech Forums(TM), comprehensive market
research services and reports, online proprietary deal flow, and an
investor directory. In addition, CVN provides information services,
including the twice-a-month market intelligence newsletter Cleantech
Capital Alert(TM) and the quarterly Cleantech Investment Monitor(TM)
report that tracks and analyzes all cleantech investments, M&As and
IPOs in North America and Europe. www.cleantech.com