WELMA Co., Ltd.

K&O Energy Group Inc.
Head Office	661 Mobara, Mobara City, Chiba 297-0026 Japan Tel: +81-475-27-1011
Established	January 6, 2014
Capital	8 billion yen
Business	Management of gas and iodine business subsidiaries and other related operations
Financial Instrument Exchange listing	Tokyo Stock Exchange (First Section)
Homepage	http://www.k-and-o-energy.co.jp/

Kanto Natural Gas Development Co., Ltd.
Head Office	661 Mobara, Mobara City, Chiba 297-8550 Japan Tel: +81-475-23-1313
Established	May 24, 1917
Capital	7.902 billion yen
Business	Extraction and sale of natural gas Production and sale of iodine Sale of brine Civil engineering Plumbing Well drilling Geological survey and water survey
Homepage	http://www.gasukai.co.jp/

Otaki Gas Co., Ltd.
Head Office	661 Mobara, Mobara City, Chiba 297-8567 Japan Tel: +81-475-24-0010
Established	August 13, 1956
Capital	2.244 billion yen
Business	Supply and sale of town gas Sale of liquefied petroleum (LP) gas Production and sale of compressed natural gas Sale of electricity Sale of gas equipment Construction of gas facilities
Homepage	http://www.otakigas.co.jp/

Nihon Tennen Gas Co., Ltd.
Head Office	2508 Minamihinata, Shirako-machi, Chosei-gun, Chiba, 299-4205 Japan Tel: +81-475-33-3553
Established	February 25, 1940
Capital	300 million yen
Business	Development, extraction and sale of water soluble natural gas Production and sale of iodine Production and sale of iodine compounds
Homepage	http://www.ntgas.co.jp/