Corporate Events

On November 30, 2025, Jiangxi Shinetech Precision Optical Company Limited closed the transaction. The company amended the terms of the transaction.

RS Technologies Co., Ltd., Board Meeting, Sep 11, 2026. Agenda: To Notice Concerning Reorganization of Consolidated Subsidiaries (Prime Wafer Business).

RS Technologies Co., Ltd. reported earnings results for the half year ended June 30, 2026. For the half year, the company reported sales was JPY 40,595 million. Net income was JPY 4,149 million. Basic earnings per share from continuing operations was JPY 156.16. Diluted earnings per share from continuing operations was JPY 155.84.

RS Technologies Co., Ltd., Board Meeting, Jul 24, 2026. Agenda: To Notice Regarding the Termination of Discussions on the Proposed Subscription to a Third- Party Allotment of Shares in Jiangxi Shinetech Precision Optical Co., Ltd.

RS Technologies Co., Ltd. resolved to participate in a grid-scale battery energy storage project (rated output: 99.82 MW; storage capacity: approximately 400 MWh; the Project) planned in Otawara City, Tochigi Prefecture, by making an investment through a silent partnership (tokumei kumiai) in a special purpose company (SPC) established to promote the Project. RST has decided to participate in the Project in order to address the increasing demand for electricity supply and demand balancing associated with the expansion of renewable energy adoption and to contribute to the realization of a sustainable society. The planned storage capacity of approximately 400 MWh indicates that the facility will be capable of continuously discharging electricity at an output of 99.82 MW for approximately four hours. In terms of household electricity consumption, this is equivalent to the daily electricity usage of around 35,000 households. Through the operation of this large-scale grid battery energy storage facility, RST aims to contribute to the stabilization of the power grid and the effective utilization of renewable energy, while establishing a new earnings base and enhancing its medium- to long-term corporate value. Name: GK CDH JAPAN BESS4. Location: 1-17-24 Shinkawa, Chuo-ku, Tokyo, Japan. Establishment Date: May 15, 2026. Business Description: Acquisition, development, ownership and operation of grid-scale battery energy storage facilities. Investment Ratio: 49% (RST's investment ratio). Total Investment Amount (including RST's investment): Approximately JPY 16,400 million (including approximately JPY 8,040 million to be invested by RST). Board Resolution Date: June 19th, 2026. Planned Capital Contribution Date: Investments are scheduled to be made in stages during the period from August 2026 to August 2029. Planned Commencement of Operations: October, 2029 (Planned).

RS Technologies Co., Ltd., Board Meeting, Jun 19, 2026. Agenda: To consider and approve Regarding Investment Participation in Grid-Scale Battery Energy Storage Project.

RS Technologies Co., Ltd. reported earnings results for the first quarter ended March 31, 2026. For the first quarter, the company reported sales was JPY 19,153 million compared to JPY 17,616 million a year ago. Net income was JPY 1,926 million compared to JPY 1,717 million a year ago. Basic earnings per share from continuing operations was JPY 72.54 compared to JPY 65.02 a year ago. Diluted earnings per share from continuing operations was JPY 72.39 compared to JPY 64.73 a year ago.

RS Technologies Co., Ltd., Board Meeting, Apr 24, 2026. Agenda: To consider and approve the Issuance of New Shares as Restricted Stock Compensation.

RS Technologies Co., Ltd., Board Meeting, Mar 19, 2026. Agenda: To consider the Notice on the Establishment of a Subsidiary in China.

RS Technologies Co., Ltd. at its board meeting held on February 18, 2026, announced Natsuko Shimizu scheduled to retire as Outside Director, Audit and Supervisory Committee Member, upon the conclusion of the Annual General Meeting scheduled to be held on March 27, 2026.

RS Technologies Co., Ltd., Board Meeting, Feb 18, 2026. Agenda: To consider the candidates for Directors (excluding Directors who are Audit and Supervisory Committee Members) and Directors who are Audit and Supervisory Committee Members to be submitted for approval at the 16th Annual General Meeting of Shareholders scheduled to be held on March 27, 2026; and to consider other business matters.

RS Technologies Co., Ltd. reported earnings results for the full year ended December 31, 2025. For the full year, the company reported sales was JPY 76,707 million. Net income was JPY 9,297 million. Basic earnings per share from continuing operations was JPY 351.4. Diluted earnings per share from continuing operations was JPY 350.03.

RS Technologies announced that it has been selected as a supplier of vanadium redox flow batteries manufactured by Sumitomo Electric Industries, Ltd. in the Ministry of Economy, Trade and Industry Fiscal Year 2025. In addition, the electrolyte for the vanadium redox flow batteries used in this project will be manufactured by LE System Co., Ltd. Through this initiative, the company aim to establish a new storage battery introduction model in Japan by taking advantage of the long life, high safety, and excellent recyclability of vanadium redox flow battery. In addition, the company will contribute to securing sustainable business profits by participating in the capacity market and supply-demand adjustment market and utilizing batteries as an adjustment resource.

RS Technologies Co., Ltd., Annual General Meeting, Mar 27, 2026.

RS Technologies Co., Ltd. announced that at the Board of Directors meeting held on February 13, 2026, RST resolved to pay a dividend of surplus of JPY 45.00 per share from the retained earnings with the record date of December 31, 2025. Effective date is March 10, 2026. Reason: RST positions the return of profits to shareholders as one of its most important management priorities, while striving to maximize corporate value through business investments aimed at future growth and investments in human resources. Based on this dividend policy, and after comprehensively considering RST's business performance and financial condition, RST decided that the year-end dividend for the fiscal year ending December 2025 has been set at JPY 45 per share, increasing JPY 10 from the previous fiscal year.

RS Technologies Co., Ltd. provided consolidated earnings guidance for the six months ending June 30, 2026 and full year ending December 31, 2026. For the six months, the company expects net sales to be ¥40,000 million, operating profit to be ¥7,500 million, profit attributable to owners of parent to be ¥5,000 million and basic earnings per share to be ¥188.27. For the year, the company expects Net sales to be JPY 84,000 million, operating profit to be JPY 15,400 million, profit attributable to owners of parent to be JPY 10,000 million and basic earnings per share to be ¥376.54.

RS Technologies Co., Ltd. announced year-end dividend of JPY 45.00 per share for the fiscal year ended December 31, 2025 against JPY 35.00 per share a year ago. Scheduled date to commence dividend payments: March 10, 2026. The company provided year-end dividend guidance for the fiscal year ending December 31, 2026. For the period, the company expects year-end dividend of JPY 55.00 compared to JPY 45.00 paid a year ago.

RS Technologies Co., Ltd., Board Meeting, Feb 13, 2026. Agenda: To Notice Regarding Dividend of Surplus.

GRINM Semiconductor Materials Co., Ltd. (SHSE:688432) agreed to acquire 70% stake in DG Technologies, Inc. from RS Technologies Co., Ltd. (TSE:3445) for ¥1.2 billion on November 2, 2024. A cash consideration will be paid by GRINM Semiconductor Materials Co., Ltd. As of September 30, 2024, DG Technologies, Inc. generated total assets of ¥3.36 billion and net assets of ¥24.77 million. The transaction is subject to shareholders approval of GRINM Semiconductor Materials Co., Ltd. GRINM Semiconductor Materials Co., Ltd. (SHSE:688432) completed the acquisition of 70% stake in DG Technologies, Inc. from RS Technologies Co., Ltd. (TSE:3445) on January 28, 2026. As of this announcement date, the delivery conditions have been satisfied and GRINM Semiconductor Materials has made the first payment of ¥833,971,700.

RS Technologies Co., Ltd., Board Meeting, Dec 19, 2025. Agenda: To discontinue the transition to a holding company structure.

RS Technologies Co., Ltd. reported earnings results for the nine months ended September 30, 2025. For the nine months, the company reported sales was JPY 58,583 million compared to JPY 44,554 million a year ago. Net income was JPY 6,669 million compared to JPY 5,593 million a year ago. Basic earnings per share from continuing operations was JPY 252.22 compared to JPY 212.16 a year ago. Diluted earnings per share from continuing operations was JPY 251.19 compared to JPY 210.95 a year ago.

RS Technologies Co., Ltd. announced that they will report Q2, 2026 results on Aug 13, 2026

RS Technologies Co., Ltd. announced that they will report Q1, 2026 results on May 14, 2026

RS Technologies Co., Ltd. announced that they will report fiscal year 2025 results on Feb 13, 2026