Nippon Sanso (Dalian Changxing Island) Gas Co., Ltd.

Merged with Taiyo Toyo Oxygen Corporation and renamed Taiyo Nippon Sanso Corporation, relocated headquarters to Koyama, Shinagawa Ward

Integrated the related companies of the low-temperature equipment business, Diao Refrigeration Industry Corporation and Nissho Industry Corporation, and established CryoOne Corporation

Merged three companies, Ozawa Oxygen Corporation, Yamato Gas Equipment Corporation, and Suzuki Trading Company’s affiliate SuzShō Medical Corporation, of our medical-related business group, and established Japan Mega Care Corporation

Acquired shares of Hokkaido Industrial Gas Manufacturer, Nikihoku Oxygen Corporation (now Japan Oxygen Hokkaido Corporation)

Acquired all shares of Hitachi Oxygen Corporation and made it a wholly owned subsidiary as Taiyo Nippon Sanso East Kanto Corporation (now Japan Oxygen East Kanto Corporation)

Merged Japan Carbonic Acid Corporation, Liquefied Carbonic Acid Corporation, and the holding company Japan LiquiCarbon Holdings Corporation, along with the carbonic acid business of Taiyo Nippon Sanso, to establish Japan LiquiCarbon Corporation

Established investment company Taiyo Nippon Sanso (China) Investment Limited (now Nissho Investment Limited) and industrial gas manufacturing company Dalian Changxing Island Port Industrial Zone Taiyo Nippon Sanso Gas Co., Ltd. (now Dalian Changxing Island Nissho Gas Co., Ltd.) in Dalian Changxing Island, Dalian, China

Reorganized Sane Engineering Corporation and NS Engineering Corporation by roles and functions, and established Taiyo Nippon Sanso Engineering Corporation (now Japan Oxygen Engineering Corporation)

Acquired 51% of India's industrial gas manufacturing and sales company K-Air Gases India Pvt. Ltd., renamed to Matheson K-Air Gases India Pvt. Ltd. (now Nippon Sanso India Pvt. Ltd.)

Made a subsidiary through a tender offer for shares of Leeden Limited via 100% subsidiary Taiyo Nippon Sanso Singapore Pte. Ltd.

Merged Santec Corporation, Futaba Bussan Corporation, and Toh-ei Chemical Corporation, establishing Taiyo Nippon Sanso Gas & Welding Corporation (now Nippon Sanso G & W Corporation)

Acquired all shares of Pacific Medico Corporation, a manufacturer and seller of medical devices

Acquired all shares of Continental Carbonic Products, Inc., a U.S. manufacturer and seller of liquefied carbon dioxide and dry ice

Established a joint venture PT. Samator Taiyo Nippon Sanso Indonesia on Java Island, Indonesia, with Indonesian industrial gas manufacturer Samator and its Singapore subsidiary National Oxygen

Established Taiyo Nippon Sanso Holdings Singapore Pte. Ltd., a regional headquarters company in Southeast Asia (now Nippon Sanso Holdings Singapore Pte. Ltd.)

Merged Singapore subsidiaries National Oxygen Pte. Ltd., Taiyo Nippon Sanso Singapore Pte. Ltd., and Leeden Limited to establish Leeden National Oxygen Ltd. (now Nippon Sanso Singapore Ltd.)

Mitsubishi Chemical Holdings Corporation (now Mitsubishi Chemical Group Corporation) completed a tender offer for our shares, becoming its consolidated subsidiary

Integrated five LP gas subsidiary companies to establish Taiyo Nippon Sanso Energy Corporation (now Astomos Energy Corporation)

Acquired Air Products Industry Co., Ltd., a Thai equity-method affiliate, and made it a consolidated subsidiary

Acquired Renegade Gas Pty Ltd., an Australian industrial gas distributor (now Supagas Pty Ltd)

Established Yawata Sanso Center Co., Ltd. through joint investment with Nippon Steel & Sumitomo Metal Corporation (now Nippon Steel Corporation)

Acquired part of Air Liquide's industrial gas business and related assets in the United States through Matheson Tri-Gas, Inc. (now Nippon Sanso Matheson, Inc.)

Acquired Supagas Holdings Pty Ltd., an Australian industrial and LP gas manufacturer, through TNSC (Australia) Pty Ltd (now NSC (Australia) Pty Ltd)

Transferred operations such as operation and maintenance of air separation units at the West Japan Steel Works Kurashiki area from JFE Steel Corporation, and established JFE Sanso Center Kurashiki Factory

Establishing a technical academy as a hub for technical education

Acquired all shares of I.M.I. Corporation, a medical device sales company

Acquired shares of a corporation operating part of Praxair's European business

Acquired part of Linde Gas North America LLC (now Linde Gas & Equipment Inc.)'s HYCO business and related assets through Matheson Tri-Gas, Inc. (now Nippon Sanso Matheson, Inc.)

Established 'Daiyo Nippon Sanso Split Preparation Company' as an absorbing company to transition to a holding company structure

Daiyo Nippon Sanso Corporation transitioned to a holding company structure and changed its trade name to Japan Oxygen Holdings Corporation

Daiyo Nippon Sanso Split Preparation Company succeeded in manufacturing and selling industrial gases and related equipment domestically and changed its trade name to Daiyo Nippon Sanso Corporation

Merged Pacific Medico Corporation into I.M.I. Corporation, the surviving company

Invested in Minna no Taikatsu Co., Ltd., a new company conducting re-inspection of high-pressure gas containers

Implemented a self-consumption solar power system at Hachioji Gas Center to promote green energy for gas filling equipment

Operation of Tohyo Nissho Gas Center, a filling station jointly invested by Taiyo Nippon Sanso Corporation and Toho Ascentene Co., Ltd.

Established Kimitsu Sanso Center Co., Ltd. in joint investment with Nippon Steel Corporation

Operation of a new filling station jointly operated by Takayasu Kogyo Co., Ltd. and Toyo High-Pressure Gas Co., Ltd.

Operation of Kitakyushu Gas Center Co., Ltd., a newly established jointly operated filling station with Takayasu Kogyo Co., Ltd.

Established a special gas logistics base in Kikuyo Town, Kikuchi District, Kumamoto Prefecture

Installed krypton and xenon manufacturing equipment at JFE Sanso Center Fukuyama Plant

Opened Minato Mirai Business Office

Established Tohoku Branch Chitose Gas Center in Chitose City, Hokkaido

Formulated the Taiyo Nippon Sanso Diversity & Inclusion Declaration

Opened Innovation Center Hibikino within Kitakyushu Science and Research City

Established Yokohama Lab (Innovation Unit SI Business Division Development Base) inside Yokohama Bio Industry Center

Started railway transportation of special gas products between Kawasaki City, Kanagawa Prefecture, and Tagajo City, Miyagi Prefecture

Changed trade name from Taiyo Nippon Sanso Corporation to Japan Oxygen Corporation