Mrs. Wantanee Jaruke
Vice President Office President and Corporate Secretary

PTT Public Co., Ltd.
555 Vibhavadi Rangsit Road, Chatuchak, Chatuchak, Bangkok 10900
Tel: 0-2537-3885
Fax: 0-2537-3987

Mr.Chairit Simaroj
Managing Director

Susco Public Co., Ltd.
139 Ratburana Road, Bangpakok, Ratburana, Bangkok 10140
Tel: 0-2428-0029
Fax: 0-2427-6460


Ms. Wassana Siriwallop
Legal Manager

Chevron Thailand Exploration and Production Ltd.
Tower III East, SCB Park Plaza, 19 Ratchadapisek Road, Jatujak, Bangkok 10900
Tel: 0-2545-5258
Fax: 0-2545-5454

Mr. Rum Herabat
Chief Executive Officer

Ratchaburi Electricity Generating Holding PLC.
555/1, Energy Complex, Building A, 7th Floor, Vibhavadi Road, Chatuchak, Bongkok 10900
Tel: 0-2794-9501
Fax: 0-2794-9550


Mr. Rene Okanovic
CEO

Energoline Co., Ltd.
Casalunar Avenue, The Rise B2 Condominium, 141/7-8 M.1 T.Samed, A.Muang, Chonburi 20000
Tel: 033 640-296
Fax: 033 640-296

Mr. Chaiwat Kovavisarach
President and Chief Executive Officer

The Bangchak Petroleum Public Co., Ltd.
555/1 Energy Complex, Buileing A, 10th Floor, Vibhavadi Rangsit Road, Chatuchak, Bangkok 10900
Tel: 0-2335-4001
Fax:


Mr. Arikom Terbsiri
CEO & President

Thai Oil Public Co., Ltd.
555/1 Energy Comples Building A, 11th Fl., Vibhavadi Rangsit Road, Chatuchak, Chatuchak,Bangkok 10900
Tel: 0-2797-2999
Fax: 0-2797-2979

Mrs. Supannee Tanchaisrinakorn
General Manager-Finance-Administration Function

RPCG Public Co., Ltd.
14th Floor, Shinnawatra III, 1010 Viphavadi, Rangsit Road, Chatuchak, Bangkok 10900
Tel: 0-2515-8600
Fax: 0-2791-1819


Mr. Susheel Kumar Saraff
Chairman

Saraff Energies Ltd.
77/32 Sinn Sathorn Tower, 11th Floor, Krungthonburi Road, klongtonsai, Klongsan, Bangkok 10600
Tel: 0-2236-9491
Fax: 0-2236-1918