Exhibit A
OFFICERS AND DIRECTORS OF INTER RAO CAPITAL AS OF NOVEMBER 14, 20121
Board of Directors
| Name | Present Principal Occupation | Citizenship | ||
| Marat Khanafeev | General Director | Russian Federation | ||
| Evgeny Miroshnichenko | Director for Strategic Development, Unit for Strategy and Investments, INTER RAO UES | Russian Federation | ||
| Alexandra Chesnokova | Chief Accountant, INTER RAO UES | Russian Federation | ||
| Svetlana Ivanichkina | Acting Chief Financial Officer, Financial Economic Center, INTER RAO UES | Russian Federation | ||
| Olga Makarevich | Head of Corporate Governance of Subsidiaries and Dependent Companies, Unit for Corporate and Property Relations, INTER RAO UES | Russian Federation | ||
| Executive Officers | ||||
| Name | Present Principal Occupation | Citizenship | ||
| Marat Khanafeev | General Director | Russian Federation | ||
OFFICERS AND DIRECTORS OF INTER RAO UES AS OF NOVEMBER 14, 20122
Executive officers
| Name | Present Principal Occupation | Citizenship | ||
| Boris Kovalchuk | Chairman of the Management Board, CEO | Russian Federation | ||
| Vyacheslav Artamonov | Member of the Management Board | Russian Federation | ||
| Alexander Boris | Member of the Management Board | Russian Federation | ||
| Ilnar Mirsiyapov | Member of the Management Board, Head of the Strategy and Investment Unit | Russian Federation | ||
| Valery Murgulets | Member of the Management Board, Head of Innovations, Investments and Costs Unit | Russian Federation | ||
| Pavel Okley | Member of the Management Board, Head of the Operations Unit | Russian Federation | ||
| Dmitry Palunin | Member of the Management Board, CFO | Russian Federation | ||
| Alexander Pakhomov | Member of the Management Board, Head of the Legal Affairs Unit | Russian Federation | ||
| Sergey Rumiantsev | Member of the Management Board, Director for Economy | Russian Federation | ||
| Yury Sharov | Member of the Management Board, Head of Engineering Unit | Russian Federation | ||
| Karina Tsurcan | Member of the Management Board, Head of the Trading Unit | Russian Federation |
Board of Directors
| Name | Present Principal Occupation | Citizenship | ||
| Grigory Kurtser | Chairman of the Board of Directors | Russian Federation | ||
| Beccalli Ferdinando Falco | President and CEO of GE Europe & North Asia and CEO of GE Germany | Italy | ||
| Oleg Budargin | Chairman of the Management Board of Federal Grid Company of Unified Energy System, JSC | Russian Federation | ||
| Vladimir Dmitriev | Chairman of State Corporation Bank for Development and Foreign Economic Affairs (Vnesheconombank) | Russian Federation | ||
| Boris Kovalchuk | Chairman of the Management Board | Russian Federation | ||
| Vyacheslav Kravchenko | Chairman of the Management Board of NP Market Council | Russian Federation | ||
| Aleksandr Lokshin | Deputy Director General and Director of the Nuclear Power Complex Directorate of State Atomic Energy Corporation Rosatom | Russian Federation | ||
| Kirill Seleznyov | Member of the Management Committee, Head of the Gas and Liquid Hydrocarbons Marketing and Processing Department of JSC GAZPROM | Russian Federation | ||
| Vladimir Strzhalkovsky | General Director, Chairman of the Management Board of OJSC MMC NORILSK NICKEL | Russian Federation | ||
| Denis Fedorov | Head of the Directorate for Power Sector Development and Marketing in Power Generation, Gazprom OJSC, General Director of OJSC Tsentrenergoholding, General Director of Gazprom Energoholding LLC | Russian Federation | ||
| Dmitry Shugaev | Deputy Director General of State Corporation for Assistance to Development, Production and Export of Advanced Technology Industrial Product Rostekhnologii | Russian Federation |