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History

Commemoration of the commencement of our business(Otaki-Machi, Chiba)

The footsteps of our contributing to the improvement of our living standard by resource exploitation. In May 1931, the Otaki Natural Gas Co., Ltd. was established as the first business specializing in natural gas in Japan. In 1956, the sales and distribution division was separated as a subsidiary (current Otaki Gas Co., Ltd.), and we changed our corporate name to Kanto Natural Gas Development Co., Ltd. on January 1st, 1957 with the hope for further growth of our business. In the early years of the company, business was centered around the Otaki district. Later, operations expanded to the Mobara area.

Our operations, centered around Mobara City, Chiba Prefecture have continued to expand over the years. Natural gas production by volume and by sales have shown significant growth. Since 1937, We promptly advance to the business of the iodine in Japan, seeking higher added value. Today, as a developer of valuable domestic resource in Japan, we conduct research and development for efficient production of natural gas, while also having an awareness of consideration toward environmental aspects. Seeking higher added value through the development of iodine derivatives is one example of our persistent efforts as Japan's leader in natural gas development.

1931
Established Otaki Natural Gas Co., Ltd. in May 1931 and became the first natural gas business in Japan
1937
Launched iodine business in June 1937
1949
Listed on the Tokyo Stock Exchange in May 1949
1956
Established Daiten Gas Sales Co., Ltd. in August 1956 (Company name changed to Otaki Gas Co., Ltd. in January 1992)
City gas retailing business and part of related operations divested, based on regulations in the Gas Utility Industry Law
1957
Company name changed to Kanto Natural Gas Development Co., Ltd. in January 1957
1969
Established a new Iodine Factory in July 1969 and began large-scale production and sale of iodine.
1973
Completed the Chiba Natural Gas Pipeline in December 1973 (Running 33km from Mobara to Chiba, the pipe varies from 2 to 10 inches in diameter)
1984
Changed listing of shares on the Tokyo Stock Exchange from Second Section to First Section in July 1984
Began investing in overseas oil and gas business with investment in Utah, U.S.A. in October 1984
1989
Completed the Shin-Yachiyo Natural Gas Pipeline in December 1989 (Running 68km from Mobara to Yachiyo, the pipe varies from 3 to 16 inches in diameter)
1995
Received ISO 9002 certification for iodine production in March 1995, and ISO 9001: 2000 accreditation in May 2002
1996
Otaki Gas Co., Ltd. listed on the Tokyo Stock Exchange, Second Section in September 1996
2006
Received ISO 14001 certification for all business premises in November 2006
2006
Completed the Sodegaura-Rinkai Gas Pipeline in December 2006 (Running 14km from Sodegaura to Ichihara, the pipe varies from 10 to 16 inches in diameter)
Started introduction of BOG as new gas source
2013
Delisted on the Tokyo Stock Exchange in December 2013
2014
Established K&O Energy Group Inc. in January 2014, as parent company by the way of collaborative stock transfer with Otaki Gas Co.,Ltd.

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