S.D.S Biotech Inc.

Established Showa Diamond Chemical Co., Ltd. in Minato Ward, Tokyo, as a joint venture between Showa Denko Co., Ltd. and Diamond Shamrock (USA) for the purpose of manufacturing and selling horticultural fungicide Daconil.

Establishment of Showa Diamond Chemical K.K. (50/50 joint venture between Showa Denko K.K. and Diamond Shamrock)

Opening of Yokohama factory and construction of Daconil manufacturing plant (completed in September of the following year).

Opening of Yokohama Plant

Start of manufacturing of Daconil fungicide raw materials.

Start of Daconil Technical (chlorothalonil) production at Yokohama Plant

Start of sales of Daconil fungicide raw materials.

Acquired sales rights for Dactar herbicide from Diamond Shamrock and started sales in Japan.

Established Minori Agricultural Experiment Station in Minori Town, Higashiibaraki District, Ibaraki Prefecture (now Omitama City, Ibaraki Prefecture).

Opening of Minori Agricultural Experiment Station in Ibaraki Prefecture

Changed trade name from Showa Diamond Chemical Co., Ltd. to S.D.S Biotech Inc.

Transferred the agricultural chemicals business of Showa Denko Co., Ltd. and the agricultural chemicals and related businesses of Diamond Shamrock in Japan to the company.

Transfer of agricultural chemical business from Showa Denko, and change of company name to SDS Biotech K.K.

Established Osaka sales office, Fukuoka branch (Fukuoka sales office), and Sapporo branch (Sapporo sales office) of the head office.

Opening of Osaka Sales Office, Fukuoka Sales Office, and Sapporo Sales Office

Relocated head office to Higashi-Shimbashi, Minato-ku, Tokyo.

Participated in Maruzen Chemical Co., Ltd.

Registered with the Japan Securities Dealers Association.

Established a Philippine representative office in Manila, Republic of the Philippines.

Open SDS Biotech K.K. Philippine Representative Office in Manila (currently in Davao City), Philippines

Dissolved partnership with Diamond Shamrock, and the company's stake was transferred to Showa Denko K.K.

Capital withdrawal of Diamond Shamrock from SDS Biotech

Capital and business alliance with Sand Corporation (Switzerland), transferring the company's pesticides and related businesses in Japan and Southeast Asia to our company.

Capital participation of Sandoz Group in SDS Biotech

Obtained pesticide registration for Dakonil 1000 (Flowable formulation) and started sales.

Opened Sendai sales office.

Open Sendai Sales Office

Established Tsukuba Research Institute in Tsukuba City, Ibaraki Prefecture (relocated from Tokyo Research Institute).

Open Tsukuba Research & Technology Center (former Tokyo Res. Lab.) in Tsukuba Science City

Established Seoul Branch in Seoul, South Korea.

Open SDS Biotech K.K. Seoul Branch in Seoul, Korea

Terminated partnership with Novartis (formerly Sand). Showa Denko K.K. acquired all shares of Novartis through a public tender offer. Transferred pesticides and related businesses from the former Sand to Novartis (now Syngenta Japan K.K.).

Showa Denko's acquisition of all the common shares in SDS Biotech owned by Novartis

Relocated head office to Shiba, Minato-ku, Tokyo.

Acquired all shares of International Hygiene Co., Ltd. from Showa Denko K.K.

Delisted due to meeting liquidity removal criteria.

Showa Denko's acquisition of all the remaining stocks of SDS Biotech (100% subsidiary of Showa Denko)

Obtained pesticide registration for Benzo Bicyclon (Rice weed killer) and started sales.

Acquired rice weed killer Cafenstrol from Chugai Pharmaceutical Co., Ltd.

Acquired all shares of Maruzen Chemical Co., Ltd. and changed the company name to SDS Green Co., Ltd. (September of the same year).

Acquired fungicides Peflazate and Diflumetorin from Ube Industries, Ltd.

Became independent from Showa Denko K.K. through MBO, with S.D.S. Biotech Holdings Ltd. acquiring shares from Showa Denko K.K., and transferring all shares of International Hygiene Co., Ltd. back to Showa Denko K.K.

Relocated head office to Higashi-Nihonbashi, Chuo-ku, Tokyo.

Separation from Showa Denko by way of management buyout

Merged with S.D.S. Biotech Holdings Ltd.

Merged with SDS Green Co., Ltd.

Acquired microbial insecticide Basilex from Bayer CropScience.

Relocated Philippine resident office to Davao, Philippines.

Acquisition of rice herbicide Tenil Chloride from Tokuyama Corporation

Listing of shares on the JASDAQ Securities Exchange

Listed on JASDAQ Securities Exchange

Listing of shares on the Tokyo Stock Exchange Second Section (Application for delisting from JASDAQ)

Listed on Second Section of Tokyo Stock Exchange

Consolidation of Idemitsu Kosan Co., Ltd. as a subsidiary through a public tender offer

Company converted to a consolidated subsidiary of Idemitsu Kosan Co., Ltd. through a tender offer of shares

Restructuring of domestic sales department into product group-based organization and centralization at headquarters (abolishing each sales office)

Consolidated the sales and marketing function in Japan into the Company's head office in line with reorganization on an individual product group basis (Closed each sales office)

Consolidation of India SDS Ramcides CropScience (formerly Sree Ramcides Chemicals)

Acquired India-based SDS Ramcides CropScience Pvt. Ltd. (former Sree Ramcides Chemicals Pvt. Ltd.) as a consolidated subsidiary

Participation of capital in Jiangsu Xinhe Agricultural Chemical Co., Ltd. and Jiangsu Xinyi Taiho Chemical Co., Ltd., China

Capital participation of SDS Biotech K.K. in Jiangsu Xinhe Agrochemical Co., Ltd. and Jiangsu Xinyi Taihe Chemical Co., Ltd.

Establishment of a local subsidiary in Shanghai, People's Republic of China

Open SDS (Shanghai) Biotech Co., Ltd. in China

Transfer of all shares of India SDS Ramcides CropScience

Transferred all shares in India-based SDS Ramcides CropScience Pvt. Ltd.

Making Idemitsu Kosan Co., Ltd. a 100% subsidiary through share exchange

A wholly owned subsidiary of Idemitsu Kosan Co., Ltd. through a share exchange

Management integration with Idemitsu Kosan's Agribio Business Division

Business integration with Idemitsu Kosan Agricultural Biotechnology Products Business Division

Making Idemitsu Agrilife Holdings Co., Ltd. a 100% subsidiary

A wholly owned subsidiary of Idemitsu Agrilife Holdings Co., Ltd.