I-Group LLC

The principals of I-Group are an experienced team.

Stephen Roy, President:

Mr. Roy has spearheaded many of I-Group's initiatives since the company's founding in 1973, including the development of four energy efficient combined cycle gas-fired power plants with over 1,500 megawatts of generation capacity. Under Mr. Roy's leadership, I-Group raised over $1.5 billion in project financing for a variety of energy and infrastructure projects - the infrastructure assets owned by the company generated in excess of $300M annually. Mr. Roy holds B.A., M. Ed. and M.B.A. degrees from Harvard University.

Ellen Roy Herzfelder, Senior Advisor:

Prior to joining I-Group in 1987, Ms. Roy Herzfelder worked for Prudential Venture Capital. Ms. Roy Herzfelder served as Secretary of the Executive Office of Environmental Affairs for the Commonwealth of Massachusetts between 2000 and 2003. She is a past President of the National Association of Independent Power Producers. She holds a B.A. degree from Harvard University, and an M.B.A. degree from the Sloan School at M.I.T., where she has since been a lecturer.

Luciano Lauretti, Senior Advisor:

Prior to joining I-Group in 1990, Mr. Lauretti worked in the Latin American Corporate Finance Division of Manufacturer's Hanover Bank in New York and in corporate lending for Chase Manhattan Bank in São Paulo, Brazil. While with I-Group, Mr. Lauretti has worked in finance and power sales for an I-Group affiliate that owned and operated facilities in Massachusetts and New Jersey with 600 MW of generating capacity, and with other I-Group principals formed I-Group's VetCor veterinary hospital group, which grew to 45 hospitals and 600 employees in 13 states before being sold in 2010. Mr. Lauretti holds a B.A. degree in economics from Universidade de São Paulo, Brazil, and an M.B.A. degree from Columbia University.

Maureen Herbert, Vice President & Chief Financial Officer:

Prior to joining I-Group in 1987, Ms. Herbert was a certified public accountant and senior consultant with PriceWaterhouseCoopers. Among her other responsibilities, Ms. Herbert serves as President of I-Group's European real estate operations. Ms. Herbert holds a B.S. degree in accounting and finance from Northeastern University.

James Blakey, Vice President & General Counsel:

Prior to joining I-Group in 1992, Mr. Blakey was a partner with the New York City law firm now know as Cooley LLP, focusing on venture capital and corporate and project finance. He has been published on venture capital negotiations in The Harvard Business Review and on taxation of credit default swaps in the University of Massachusetts Law Review. Mr. Blakey holds an A.B. degree in English from Dartmouth College and a J.D. degree from Boston University.