Electric Power

Aes Gener S.a. Aes Sul Distribuidora Gaucha DE Energia AKTAS ELEKTRIK TICARET A.S. Amerenue Arizona Public Service Company Atlantic Energy, Inc. Azienda Energetica Metropolitana Torino Spa Badenwerk Ag Bayernwerk Ag Besicorp Group Inc. Blackstone Valley Electric Company Boralex Power Income Fund Calpine Power Income Fund Cambridge Electric Light Company Cap Rock Energy Corporation Centerior Energy Corporation Centrais Elet Matogrossenses SA - Cemat Centrais Eletricas Cachoeira Dourada S/a Central Power & Light Company CENTRAL TERM. BUENOS AIRES S.A. Central Termica Guemes S.a. Charbonnages DE France China Power International Development Limited China Yangtze Power CO Ltd Chongqing Fuling Electric Power Industrial Co., Ltd. Chongqing Jiulong Elec. Power, Ltd. Chongqing Three Gorges Chugach Electric Association, Inc. Cia De Ger. De Ener. Eletr. Paranapamena Cia DE Transporte DE Energia Electrica EN Alta Tension Transener SA Cia Electrica Del Litoral SA Cia Energetica DO Rio Grande Norte - Cosern CIA SEVILLANA DE ELECTRICIDAD, S.A.- ADR Cilcorp, Inc. Cipsco Inc. Clean Power Income Fund Cleveland Electric Illuminating Company CMP Group, Inc. Cogeneration Corporation of America Cogentrix Energy, Inc. Commerce Energy Group, Inc. Commonwealth Electric Company Companhia Paulista De Energia Eletrica Compania Sevillana De Electricidad, S.a. Connecticut Light & Power Company Consolidated Edison Company OF New York, Inc. Constellation Energy Group, Inc. Dayton Power & Light Company Distributed Power, Inc. Duke Energy International Egenor S.a.a. Duquesne Light Company Duquesne Light Holdings Inc. E.on Eszak Dunantuli Aramszolgaltato RT Eastern Group Plc Eastern Utilities Associates Eb Corporation Edison Mission Energy Electra De Viesgo, S.a. Electrabel Electric Power Development Co.,ltd Elektrizitaets-ag Mitteldeutschland Empresa Electrica DE Atacama SA Empresa Electrica DE Iquique SA Empresa Hidroelectrica Ribagorzana, S.a. Empresas Emel SA Enel Societa Per Azioni Energie-versorgung Schwaben Ag

Energieversorgung Weser-ems Ag Energy Group Plc (the) ENERGY GROUP PLC- ADR Enova Corporation Entergy Arkansas, Inc. Entergy Gulf States, Inc. Exelon Corporation Florida Power Corporation Florida Progress Corporation Fujian Mindong Electric Power Co., Ltd. Gexa Corporation Great Lakes Hydro Income Fund Great Plains Energy, Inc. Grosskraftwerk Mannheim AG Guangdong Shaoneng Group Co., Ltd. Guangxi Guiguan Eletric Power, Ltd. Gulf Power Company Gulf States Utilities Company Gullspang Kraft Ab Henan Yuneng Holdings Co., Ltd. Hidroelectrica De Cataluna Sa (hec) Horizon Energy Distribution Limited Huaneng Power International Inc. Hubei Xinfu Industry Co. Hunan Chendian Intl Devt Shareholding Co., Ltd. Hydro-Quebec Iberdrola Ii Sa Illinova Corporation Indianapolis Power & Light Company Inepar Energia SA Iowa Resources Inc. Iowa Southern, Inc. Ipalco Enterprises, Inc. Iven S/a Jersey Central Power & Light Company Jilin Power Share Company Limited Jointo Energy Investment Company Limited Hebei Jordan Electric Power Kansas Gas and Electric Company Kenetech Corporation KEPEZ ELEKTRIK Kore Holdings, Inc. Lahmeyer Ag Fuer Energiewirtschaft Lfe Corporation Berhad LG & E Energy Corp. London Electricity Plc Long Island Lighting Company Louisville Gas and Electric Company Magma Power Company Maine & Maritimes Corporation Manweb Plc Metropolitan Edison Company MidAmerican Energy Company Midamerican Energy Holdings Co. (old) Midamerican Energy Holdings Company Mississippi Power Company Mittelschwaebische Ueberlandzentrale Ag National Thermal Power Corporation New Brunswick Power Corporation Neyveli Lignite Corporation Ltd Ningbo Thermal Power CO Ltd Northern States Power Company Nrg Energy, Inc. Ocean Power Technologies Old Dominion Electric Cooperative Orient Telecom & Technology Holdings PacifiCorp

Pennsylvania Electric Company Pennsylvania Power Company Petratherm Ltd PNM Resources, Inc. Portland General Corporation Potomac Edison Co Poweo SA Powerfin Sa POWERGEN PLC- ADR Preussenelektra Aktiengesellschaft Progress Energy Inc. PSI Energy, Inc. Public Service Company Of New Hampshire Ratchaburi Electricity Generating Holdings Public Company Limited Romande Energie Sa Sahacogen (chonburi) Pcl Saltos Del Nansa, S.a. Saskatchewan Power Corp. Sdic Huajing Power Holdings Co., Ltd. Seas A/s Seeboard Plc Shandong Luneng Taishan Cable Co., Ltd. Shanghai Electric Power CO Ltd SHERRITT POWER CORPORATION Sichuan Minjiang Hydropow Sichuan Xichang Electric Power Company Limited Sigcorp, Inc. Sociedad Austral De Electricidad Sa Societe Generale De Belgique Sa South Carolina Electric & Gas Co South Wales Electricity Plc Southwestern Electric Power Company Southwestern Electric Service Company Stadtwerke Duesseldorf AG Stadtwerke Muenchen Ste Intercommunale Belge De Gaz Et D'el Steag AG Steiermaerkische Elektrizitaets Ag STUTTGARTER VERSORGUNGS & VERKEHRS G Swb AG System Energy Resources, Inc. Tampa Electric Company Texas Genco Holdings, Inc. Texas-New Mexico Power Company Thermo Ecotek Corporation TISZANTULI ARAMSZOLGALTATO RT Tokyo Electric Power TXO Electric Company UIL Holdings Corporation Unicom Corporation UNITED ENERGY LIMITED Unitil Corporation Upper Peninsula Energy Corporation Veba Kraftwerke Ruhr Ag Virginia Electric and Power Company West Texas Utilities Company Western Massachusetts Electric Company Wisconsin Electric Power Company Wisconsin Power And Light Company Wuppertaler Stadtwerke AG Xcel Energy Inc. Xinjiang Electric Co., Ltd. Xinjiang Tianfu Thermoelectric XP Power Plc Yorkshire Electricity Group Plc Yunnan Wenshan Electric Power CO Ltd