Cosmo Oil Co., Ltd.

Daitoh Trading Co., Ltd.

Goldman Sachs Japan Co., Ltd.

Hanwa Co., Ltd.

Idemitsu Kosan Co., Ltd

Itochu Enex Co. ltd.

JX Nippon Oil & Energy Corporation

Kamei Corporation

Kanematsu Corporation

Kokurakosan Energy Co., Ltd.

Kygnus Sekiyu K.K.

Marubeni Corporation

Marubeni Energy Corporation

Mitsubishi Corporation

Mitsubishi Shoji Sekiyu Co., Ltd.

Mitsui Co., Ltd.

Mitsui Oil Co., Ltd.

Morgan Stanley Capital Group Inc.

Nakabishi Sangyo Co. Ltd.

Shell Japan Trading Ltd.

Showa Shell Sekiyu K.K.

Sinanen Co., Ltd.

SK Energy Asia Pte Ltd

Sojitz Corporation

Sojitz Energy Corporation

Sumitomo Corporation

Taiyo Oil Co., Ltd.

Toyota Tsusho Corporation

*As of Jul. '10