CLIENT LIST

A.P. Moller A/S AECI Explosives and Chemicals, Ltd. Agip Petroli Agrico Chemical Company Alliance Marine Services, Inc. American Natural Soda Ash Corp. (“ANSAC”) American Octane Corporation Amoco Chemical Company Amoco Oil Company Amoco Petroleum Canada Amoco Trinidad Arab International Gas & Transportation Arab Petroleum Investment Corporation Arco Chemical Americas Arco Chemical Asia Pacific, Ltd. Atlantic Methanol Production Co. (AMPCO) Australia Gas Light Company BASF BHP Americas BHP Petroleum Pty. Baker & O’Brien, Incorporated Bayer Corporation Bitor International Bonner & Moore Market  Consultants Booz Allen Hamilton BP Chemicals International BP Gas International, Ltd. British Gas C. Itoh CEPSA Calor Gas, Ltd. Caltex Petroleum Corporation Camac Energy Inc. Camisea LNG Holdings Company Cape Horn Methanol Carbon Holdings, Ltd. Caribbean Nitrogen Company (CNC) Celanese Corporation Chem Systems Chemical Market Associates, Inc. Chevron Chemical Chevron Corporation U.S.A. Chevron Phillips Corporation Citgo Petroleum Corporation Citicorp Clark Refining & Marketing Company CMS Energy CMAI CMID Conagra Fertilizer Conoco, Inc. ConocoPhillips Corporacion Nacional de Inversiones Corpoven Dow Chemical Asia  Dow Chemical Europe S.A. Dow Hydrocarbons and Resources Duke Energy Merchants, LLC Edison Pipeline & Terminal Co. Egypt Basic Industries Corporation (EBIC) Eisenbau Essen GMBH Elf Caledonia, Ltd. Enron Engineering & Construction Company Enron International Export-Import Bank of Korea (KEXIM) Export-Import Bank of the United States (Ex-Im Bank) Exxon Chemical Asia Exxon Chemical Company Exxon Chemical International ExxonMobil Corporation Farmland Industries, Inc. Farmland Misschem Limited Ferrell Gas Fina Oil and Chemical Company First Boston Flinthills Resources FMC GTL Resources Gas Unie GATX Terminals Corp. Gazocean General Chemicals Corporation Gulf Canada, Ltd. Gulf Petrochemical Industries Company Havtor Management Henley Group Hercules, Inc. Hoechst Celanese Chemical Group Houston Fuel Oil Terminal Company Hunt Oil Company ICI Chemicals & Polymers, Ltd. Imperial Oil Industrias Venoco International Octane, Ltd. InterOil Koch Industries Korea Trade Insurance Corporation (Ksure) Lagoven LBI Liquigaz Pty. Ltd. Lloyd's Register Lone Star FLNG M.W. Kellogg Maasvlakte Olie Terminal CV Malaysian International Shipping Co. Mapco Marlin Midstream Metanol de Oriente, Metor, S.A. Methanex Chile Limited Methanex Corporation (Vancouver) Methanex New Zealand Limited

Methanol Holdings Trinidad Limited (MHTL) Methanol Institute Mississippi Chemical Company Mitsubishi Corporation Mitsui & Company (U.S.A.), Inc. Mitsui OSK Lines Mobil Chemical Company Mobil Oil Corporation Muse, Stancil & Company NALCOSA, S.A. Natgasoline National Energy Corp. of Trinidad & Tobago National Shipping Co. of Saudi Arabia Natref Natural Gas Clearinghouse Negev Star Ltd. Neste Oy Nippon Oil Company Nippon Oil Staging Terminal Company Nippon Petroleum Gas Company Nissho Iwai Norsk Hydro Agricultural Group Norsk Hydro Oil & Gas Company North American Chemical NuDevco Occidental Petroleum Corporation U.S.A. Ocean Phoenix OCI OK Petroleum AB Oman Oil Company, Inc. P.T. Pupuk Kalimantan Timur Pace Consultants Paktank Chemicals Nederland, BV Paktank International Storage PEMEX Pequiven Peru LNG S.R.L. Petrobras Petro-Canada Petrochemical Industries Company Petrofina S.A. Petroleos de Venezuela, S. A. Petromont Petroperu Petrotrin PetroUnited Terminals, Inc. Phillips Petroleum Placid Refining Portland Pipe Line Company Primagaz Productos Quimicos Coin Purvin & Gertz, Inc. Qatar Fertilizer Company Qatar Fuel Additives Co. Qatar General Petroleum Corporation Repsol Butano Resource Planning Consultants Royal Bank of Scotland Royal Ministry of Petroleum & Energy (Norway) RPC Chile SA RPG Enterprises Sabic Samarec Samedan Oil Corporation Sandefer Capital Partners, Inc. Saudi Aramco Scimitar Oil, Ltd. SeaRiver Maritime, Inc. Shell Gabon Shell International Exploration & Production Shell International Petroleum Co., Ltd. Shell Oil Company Shipping Corp. of Trinidad &  Tobago Soc. Chim. de la Grande Paroisse Sonatrach Soquip South Hampton Resources South Louisiana Methanol Southern Pacific Transportation Spark Energy Sprague Energy Statoil Sun Marketing & Refining Tahrir Petrochemicals Texaco USA NGL Division Texas Eastman Todd Energy Tomen America Total Chimie Total Marc Rich Townsend Polymer Services Transammonia Transpetro Transworld Oil Triton Resources UGI Corporation UKF Fertilizers Union Carbide U.S.A. Union Texas Petroleum Unocal Uno-Ven Company Valero Energy Corporation Veba Oel Ag Vopak Logistics, N.A. W.R. Grace Warren Petroleum Waterfront Shipping Company Yemen Hunt LNG Company, LLC Yosu Energy Co., Ltd. YPF ZEEP