Chairman, Representative Director

IMAI Yasuo (AIR WATER INC.)

Vice Chairs, Directors

NAGATA Kenji (TAIYO NIPPON SANSO Corporation)

SUZUKI Yoshihiko (Suzuki Shokan Co., Ltd.)

MAKIHARA Koji (AIR LIQUIDE Japan G.K.)

SONODA Hiroki (TEIJIN PHARMA LIMITED)

IWASAWA Masayuki (IWASAWA CO., LTD)

NAMBU Atsushi (Nambu co. ltd.)

OI Tsuneyoshi (Yamato Oxygen Co., Ltd.)

YOGI Seiki (OKANO Co., Ltd)

HORIGUCHI Makoto (Iwatani Corporation)

KOIKE Hideo (Koike Sanso Kogyo Co., Ltd.)

SHIBUYA Nobuo (KOATSU GAS KOGYO CO., LTD.)

GEMMA Takayuki (TOKYO GAS CHEMICALS CO., LTD.)

TADA Shinichi (OSAKA GAS LIQUID Co., Ltd.)

HATANO Kazuhiko (AIR WATER CARBONIC INC.)

Senior Managing Director, Executive Director

KATO Naotsugu

Managing Director, Executive Director

SETO Akinori

Representative Auditor

HIRAKURA Kazuo (SHOWA DENKO K.K.)

Auditors

YAMAMOTO Yasuo (TOHO ACETYLENE CO., LTD.)

SUZUKI Motoo (Chiyoda Corporation)