Atlantic Power Corp.

Prior to joining Atlantic Power Corporation, Mr. Welch was the Senior Vice President and co-head of the Bond & Corporate Finance Group of John Hancock Financial services, Boston, Massachusetts, from 2000 to 2004. Mr. Welch served on several committees at John Hancock, including its Pension Investment Advisory Committee and Investment Operating Committee. Mr. Welch was Chairman of John Hancock's Bond Investment Committee and reported monthly on investment portfolio, strategy and activity to the Committee of Finance of John Hancock's board of directors. Mr. Welch also led the development and approval of Hancock's involvement with ArcLight Capital Partners' Fund I and served as a member of Fund I's Investment Committee. Previously at John Hancock, Mr. Welch headed the Bond and Corporate Finance Group's Power and Energy investment team. From 1986 to 2004, he was involved indirectly or oversaw $25 billion of investments in more than 1,000 utility, project finance and oil and gas transactions. Prior to joining John Hancock, Mr. Welch spent more than three years as a developer of power projects at Thermo Electron Corporation's Energy Systems Division (later known as Thermo Ecotek). There, he was involved in greenfield development of natural gas, wood and waste-to-energy projects, as well as asset management roles for operating plants. Mr. Welch received a Bachelors of Science in Mechanical and Aerospace Engineering from Princeton University, Princeton, New Jersey, and an M.B.A. from Boston College, Boston, Massachusetts. Mr. Welch serves on the Board of Directors of the Walker Home and School in Needham, Massachusetts.

Mr. Welch, who is not related to Barry Welch, has an extensive background in the energy and independent power industries. His most recent position was Vice President and Controller of Duke Energy Field Services, LP (DEFS) and DCP Midstream Partners, LP (DCPLP) headquartered in Denver, Colorado. DEFS is a private midstream natural gas company owned by Duke Energy and ConocoPhillips and DCPLP is a public master limited partnership sponsored by DEFS. In these roles, Mr. Welch was responsible for all accounting, budgeting, SEC and financial reporting and compliance with Section 404 of the Sarbanes-Oxley Act of 2002 for DEFS and DCPLP. Prior to that he held various positions at Dynegy Inc. in Houston, Texas, including Vice President and Controller for Dynegy Generation, and Assistant Corporate Controller. Prior to Dynegy, Mr. Welch was a Senior Audit Manager in the Energy, Utilities and Mining Practice of PricewaterhouseCoopers LLP, predominantly in Houston, Texas, where he served several major energy clients. He received his bachelors degree from the University of Central Oklahoma and is a Certified Public Accountant.

Senator Irving R. Gerstein has been a director of the Company since October 2004. Mr. Gerstein is a retired executive. He is a director of Economic Investment Trust Limited, and previously served as a director of other public issuers, including CTV Inc., Traders Group Limited, Guaranty Trust Company of Canada, Confederation Life Insurance Company and Scott's Hospitality Inc., and as an officer and director of Peoples Jewellers Limited. Mr. Gerstein is a Member of the Order of Canada and a Member of the Order of Ontario. He is an honorary director of Mount Sinai Hospital (Toronto), having previously served as Chairman of the Board, Chairman Emeritus and a director over a period of twenty-five years, and is currently a member of its Research Committee. Mr. Gerstein received his BSc. in Economics from the University of Pennsylvania (Wharton School of Finance and Commerce).

Mr. Whitman has been a manager of Atlantic Holdings since November 2004 and a director of the Company since December 2006. Mr. Whitman is currently the Senior Vice President of NW Financial Group, LLC ("NW"), an investment bank specializing in municipal finance. Mr. Whitman has over twenty years of experience in structuring and managing waste-to-energy projects. At NW, Mr. Whitman helps clients structure and finance projects, providing essential public services such as waste disposal and water treatment. From July 2003 to March 2004, Mr. Whitman was a contract employee of MSW Energy Holdings LLC ("MSW"), where he fulfilled the duties of Chief Financial Officer. MSW owns a 50% indirect membership interest in Ref-Fuel Holdings LLC, which is one of the largest owners and operators of waste-to-energy projects in the United States. Prior to joining MSW, Mr. Whitman played a leading role in the start-up and management of Covanta's (formerly Ogden Corporation) waste-to-energy business from 1987 to 2002. At Covanta, Mr. Whitman directed financial operations, resolved contract and client issues and generally helped to manage day-to-day operations. He was also involved in the structuring and financing of several of the waste-to-energy projects and led the restructuring of distressed projects. Mr. Whitman served as Chief Financial Officer of Ogden Energy Group from 1990 to 2001 and Senior Vice-President of Covanta from 2001 to 2002. During Mr. Whitman's service as a senior officer of Covanta, Covanta filed voluntary petitions for reorganization under Chapter 11 of the U.S. Bankruptcy Code. On March 10, 2004, Covanta and 79 of its affiliates, comprising Covanta's energy and water businesses, were acquired by Danielson Holding Corporation. With the closing of this transaction, Covanta and these affiliates emerged from bankruptcy protection. Mr. Whitman received a Bachelor of Science degree in Environmental Engineering from Syracuse University and an M.B.A. from Carnegie Mellon University.