Key Investors

Xtreme Power® is a privately held company and has raised in excess of $50 million since its founding. XP® is proud to include the following companies as current investors:

SAIL VENTURE PARTNERS LLC

SAIL Venture Partners LLC is a cleantech investment firm with unique global insight into technologies, markets and opportunities. Drawing on decades of experience in cleantech and in growing successful businesses, the SAIL team invests in emerging cleantech companies with proven technologies, visionary leadership, demonstrated revenue and profit growth potential. SAIL has invested in a number of today’s leading global cleantech companies, including: The Cleantech Group, Xtreme Power, Ice Energy, Enerpulse, Kokam Advanced Batteries, SNTech Motors, and WaterHealth International. For more information, visit www.sailvc.com.

BESSEMER VENTURE PARTNERS

Bessemer Venture Partners is a global investment group with offices in Silicon Valley, Boston, New York, Mumbai, and Tel Aviv. The oldest venture capital practice in the United States, BVP has partnered as an active, hands-on investor in Ciena, LinkedIn, Miasolé, Skype, Staples, VeriSign, W.R. Grace, and Yelp. More than 100 Bessemer-funded companies have gone public on exchanges in Canada, India, London, and the United States. To learn more, visit www.bvp.com.

THE DOW CHEMICAL COMPANY, VENTURE CAPITAL GROUP

The Dow Chemical Company working through its Venture Capital group (www.dow.com/venture) invests in promising start-up companies in North America, Europe, and Asia supporting its portfolio with capital, technology, and a global network of potential development partners. Dow Venture Capital is active in sustaining these companies throughout their early critical years, from seed to later stage investment. Dow Venture Capital professionals are located in Midland, Michigan, Zurich, Switzerland and Gotemba, Japan.

FLUOR

Fluor Corporation (NYSE: FLR) designs, builds and maintains many of the world's most challenging and complex projects. Through its global network of offices on six continents, the company provides comprehensive capabilities and world-class expertise in the fields of engineering, procurement, construction, commissioning, operations, maintenance and project management. Headquartered in Irving, Texas, Fluor is a FORTUNE 200 company and had revenues of $22 billion in 2009. For more information, visit www.fluor.com.

DOMINION POWER

Dominion Transmission provides natural gas gathering, processing, transportation and storage services, operating in the heart of the Marcellus shale production area. It is a subsidiary of Dominion, one of the nation's largest producers and transporters of energy, with a portfolio of approximately 27,600 megawatts of generation, 12,000 miles of natural gas transmission, gathering and storage pipeline and 6,000 miles of electric transmission lines. Dominion operates the nation's largest natural gas storage system with 942 billion cubic feet of storage capacity and serves retail energy customers in 13 states. For more information about Dominion, visit the company's Web site at www.dom.com.

SPRING VENTURES

Spring Ventures is a multi-strategy investment fund that invests in and incubates novel clean energy technologies, companies and projects that attempt to address climate change and energy security. www.springventuresllc.com

SKYLAKE INCUVEST. CO.

www.skylakeincuvest.com