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Business Alliances6834SEIKOH GIKEN Co.,Ltd.Electrical Equipment and Precision Instruments

Notice Regarding the Establishment of a Joint Venture Company (Equity-Method Affiliate) by Our Consolidated Subsidiary

杭州精工技研有限公司, our consolidated subsidiary, will establish a joint venture with SINY Optic-COM Co., Ltd. to develop, manufacture and sell optical communications-related devices. The joint venture is expected to become an equity-method affiliate of 杭州精工技研有限公司.

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Agreements reached under this partnership

Joint venture
6834SEIKOH GIKEN Co.,Ltd.
Alliance partnerHenan Xinyu Optic Technology Co., Ltd. (SINY Optic-COM Co., Ltd.)
Details of the alliance
  1. 1

    To respond to rapidly increasing demand for 800G/1.6T optical transceivers and optical modules for AI data centers accompanying the widespread adoption of generative AI, the joint venture will establish a mass-production system for high-performance optical isolators.

  2. 2

    Using our group’s sales network, the joint venture will promote sales expansion not only in the Chinese market but also in Japan, North America, Europe and other Asian regions.

  3. 3

    By integrating the technologies of our group and SINY, the joint venture will accelerate the development of high-performance, miniaturized products for next-generation optical communications.

  4. 4

    In the future, the joint venture will also develop products for fields outside optical communications, including automotive components for autonomous driving and LiDAR applications and products for industrial robots.

These are items that the documents state the two companies will work on. The lines above and below represent arrangements between the two companies.

Capital and personnel relationships

This indicates whether the companies will do more than work together, such as holding each other’s shares or seconding personnel (capital and business alliance).

Ownership ratio杭州精工技研有限公司 25%, SINY Optic-COM Co., Ltd. 75%
Overview of the joint ventureName: 鄭州鑫宇精工光联有限公司; Location: 4th Floor, Building 8, Hangtian Digital Health Industrial Park, B Zone, Aviation Port Economic Comprehensive Experimental Zone, Zhengzhou, Henan Province, People’s Republic of China; Business: Development, design, manufacture and sale of optical communications-related devices; Capital contribution: RMB 5,000,000; Ownership: 杭州精工技研有限公司 25%, SINY Optic-COM Co., Ltd. 75%
About the partner
Business DescriptionDevelopment, design, manufacture and sale of optical communications-related devices
LocationXiuwu County, Jiaozuo, Henan Province, China
Share capitalRMB 91,910,000
Impact on Business Performance

The impact of establishing the joint venture on our group’s consolidated results for the fiscal year ending March 2027 will be immaterial.

Date of board resolution17 July 2026Contract Date31 July 2026 (scheduled)Alliance start date1 August 2026 (scheduled)
Agreements reached under this partnership
ItemDetails
Name of alliance partnerHenan Xinyu Optic Technology Co., Ltd. (SINY Optic-COM Co., Ltd.)
Alliance partner's business activitiesDevelopment, design, manufacture and sale of optical communications-related devices
Alliance partner's locationXiuwu County, Jiaozuo, Henan Province, China
Alliance partner's capitalRMB 91,910,000
Type of allianceJoint venture
Details of the allianceTo respond to rapidly increasing demand for 800G/1.6T optical transceivers and optical modules for AI data centers accompanying the widespread adoption of generative AI, the joint venture will establish a mass-production system for high-performance optical isolators., Using our group’s sales network, the joint venture will promote sales expansion not only in the Chinese market but also in Japan, North America, Europe and other Asian regions., By integrating the technologies of our group and SINY, the joint venture will accelerate the development of high-performance, miniaturized products for next-generation optical communications., In the future, the joint venture will also develop products for fields outside optical communications, including automotive components for autonomous driving and LiDAR applications and products for industrial robots.
Overview of the joint ventureName: 鄭州鑫宇精工光联有限公司; Location: 4th Floor, Building 8, Hangtian Digital Health Industrial Park, B Zone, Aviation Port Economic Comprehensive Experimental Zone, Zhengzhou, Henan Province, People’s Republic of China; Business: Development, design, manufacture and sale of optical communications-related devices; Capital contribution: RMB 5,000,000; Ownership: 杭州精工技研有限公司 25%, SINY Optic-COM Co., Ltd. 75%
Ownership ratio杭州精工技研有限公司 25%, SINY Optic-COM Co., Ltd. 75%
Date of board resolution17 July 2026
Contract Date31 July 2026 (scheduled)
Alliance start date1 August 2026 (scheduled)
Impact on Business PerformanceThe impact of establishing the joint venture on our group’s consolidated results for the fiscal year ending March 2027 will be immaterial.
Items this document does not state (11)
Alliance partner's net salesAlliance partner's operating incomeNumber of shares acquiredAcquisition priceShareholding ratioDispatch of directors and officersContract PeriodNumerical targets under the allianceShareholding PolicyShare Acquisition Date and Payment DateChange in major shareholders

These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.

The reasons the company gives

The company's own explanation, not something inferred from the numbers.

The joint venture will be established to respond to growing demand for optical communications components accompanying the widespread adoption of generative AI and cloud services, and to build a mass-production system for high-performance optical isolators. It will also promote overseas expansion by leveraging our group’s sales network, develop next-generation products by integrating the technologies of both companies, and develop products for automotive components and industrial robots.

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Notice Regarding the Establishment of a Joint Venture Company (Equity-Method Affiliate) by Our Consolidated Subsidiary | SEIKOH GIKEN Co.,Ltd. (6834) timely disclosure | Komori