Nippon Sanso (Dalian) Gas Co., Ltd.

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

Integrated subsidiary of low-temperature equipment business DAIYA Refrigeration Industry Co., Ltd. and Nissho Kogyo Co., Ltd., established CryoOne Corporation

Merged three companies: Ozawa Oxygen Corporation, Yamato Gas Equipment Co., Ltd., and the affiliated company Suzushō Medical Co., Ltd. of Suzuki Shokan Co., Ltd., to establish Japan Mega Care Co., Ltd.

Acquired shares of Hokkaido industrial gas manufacturer Nikihoku Oxygen Co., Ltd. (now Japan Oxygen Hokkaido Co., Ltd.)

Acquired all shares of Hitachi Oxygen Co., Ltd., fully owned subsidiary as Taiyo Nippon Sanso East Kanto Co., Ltd. (now Japan Oxygen East Kanto Co., Ltd.)

Merged Japan Carbonic Acid Co., Ltd., Liquefied Carbonic Acid Co., Ltd., and the holding company Japan LiquiCarbon Holdings Co., Ltd., along with the carbon dioxide business of Taiyo Nippon Sanso, to establish Japan LiquiCarbon Co., Ltd.

Established investment company Taiyo Nippon Sanso (China) Investment Co., Ltd. (now Nissho Investment Co., Ltd.) 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, China

Reorganized Sane Engineering Co., Ltd. and NS Engineering Co., Ltd. by roles and functions, establishing Taiyo Nippon Sanso Engineering Co., Ltd. (now Japan Oxygen Engineering Co., Ltd.)

Acquired 51% of shares of Indian industrial gas manufacturing and sales company K-Air Gases India Pvt. Ltd., renamed 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 Co., Ltd., Futaba Bussan Co., Ltd., and Tōei Chemical Co., Ltd., to establish Taiyo Nippon Sanso Gas & Welding Co., Ltd. (now Japan Oxygen G&W Co., Ltd.)

Acquired all shares of Pacific Medico Co., Ltd., 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 in Java, Indonesia, with Indonesian industrial gas manufacturer Samator and Singapore subsidiary National Oxygen, called PT. Samator Taiyo Nippon Sanso Indonesia

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

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.)

The public tender offer for our shares by Mitsubishi Chemical Holdings Corporation (now Mitsubishi Chemical Group Corporation) was successful, making it a consolidated subsidiary

Merged five LP gas business subsidiaries to establish Taiyo Nippon Sanso Energy Co., Ltd. (now Astomos Reitling Co., Ltd.)

Acquired and made a consolidated subsidiary of Air Products Industry Co., Ltd., a Thai equity-method associate (now Nippon Sanso (Thailand) Co., Ltd.)

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

JFE Steel Corporation (now Nippon Steel Corporation) and joint investment established Yawata Sanso Center Co., Ltd. (now Kyushu Sanso Center Co., Ltd.)

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 operation and maintenance of air separation units at the West Japan Steel Works Kurashiki area from JFE Steel Corporation, and established JFE Sanso Center Co., Ltd. Kurashiki Plant

Established a technical academy as a base for technical education

Acquired all shares of IMI Corporation, a medical device sales company

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

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

Established Doyo Nihon Sansan Split Preparation Company as an absorption split successor company in preparation for transition to a holding company system

Doyo Nihon Sansan Co., Ltd. transitioned to a holding company system and changed its trade name to Nippon Oxygen Holdings Co., Ltd.

Doyo Nihon Sansan Split Preparation Company succeeded in manufacturing and selling industrial gases and related equipment domestically and changed its trade name to Doyo Nihon Sansan Co., Ltd.

Merged Pacific Medico Co., Ltd. into IMI Corporation, the surviving company

Invested in Shin Company Minkan's pressure vessel reinspection business, a new company called Minna no Taikukan

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

The filling station jointly invested by Doyo Nihon Sansan and Toho Acetylene Co., Ltd., Toho Nihon Sansan Gas Center Co., Ltd., is operational

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

The new filling station operated jointly with Toyo High-Pressure Gas Co., Ltd., in partnership with High-Pressure Gas Industry Co., Ltd., is operational

The newly established joint-operated filling station, Kitakyushu Gas Center Co., Ltd., is operational

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

Installed a krypton and xenon manufacturing device at JFE Sanso Center Fukuyama Plant

Established Minato Mirai Business Office

Established Tohoku Branch Chitose Gas Center in Chitose City, Hokkaido

Formulated 'Taiyo Nippon Sanso Diversity & Inclusion Declaration'

Opened 'Innovation Center Hibikino' within Kitakyushu Academic Research City

Established 'Yokohama Lab' (Innovation Unit SI Business Division Development Base) within 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