GreatPoint Energy is a privately-held company backed financially by leading venture capital firms. Founded in 1979, Advanced Technology Ventures (ATV) is a bi-coastal venture capital firm with more than $1.4 billion in capital under management. ATV works closely with entrepreneurial teams in several technology markets to build emerging-growth business ventures into market leaders. More information about ATV can be found at www.atvcapital.com. Draper Fisher Jurvetson is a pre-eminent venture capital firm with global presence through a network of affiliated funds, with offices in more than 30 cities around the world and over $5.5 billion in capital commitments. DFJ's mission is to identify, serve, and provide capital for extraordinary entrepreneurs anywhere who are determined to change the world. More information about DFJ can be found at www.dfj.com. Kleiner Perkins Caufield & Byers are committed to helping entrepreneurs build enduring market-changing institutions, defining new business sectors or expanding existing ones. Since 1972, its partners have supported hundreds of entrepreneurs in building over 475 companies. More information about KPCB can be found at www.kpcb.com. Khosla Ventures offers venture assistance, strategic advice and capital to entrepreneurs. Founded by Vinod Khosla (also founder of Sun Microsystems)in 2004 Khosla Ventures is based in Menlo Park, California. More information about Khosla Ventures can be found at www.khoslaventures.com. Sustainable Development Investments (SDI), is a private equity investment unit of Citi Alternative Investments (a division of Citi) focused on renewable energy, alternative energy, clean technologies, water management, waste management, energy efficiency and environmental credits investment. More information about Citi Alternative Investments can be found at www.citigroupai.com. Dow is a diversified chemical company that harnesses the power of innovation, science and technology to constantly improve what is essential to human progress. Built on a commitment to its principles of sustainability, Dow has annual sales of $49 billion and employs 43,000 people worldwide, providing a broad range of products and services to customers in more than 175 countries. References to Dow or the "Company" mean The Dow Chemical Company and its consolidated subsidiaries unless otherwise expressly noted. More information about Dow can be found at www.dow.com. AES - is one of the world's largest global power companies"