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(Reference Translation) Formulating TSE Index Data Correction Policy April 5, 2019 Tokyo Stock Exchange, Inc. I. Purpose Tokyo Stock Exchange, Inc. (hereinafter "TSE") will formulate a "TSE Index Data Correction Policy" (Appendix 1), which sets forth guidelines for correcting indices that it calculates (hereinafter "TSE-calculated indices"). There are cases where TSE makes corrections due to having calculated and published TSE-calculated indices in manners inconsistent with the rules specified by its index calculation methodologies. Thus, the purpose of this policy is to improve predictability for index users, expedite handling of corrections by TSE, and ensure the consistency of such handling. II. Outline Item Description Remarks - Formulation of TSE Index Data Correction Policy" - TSE will newly establish "TSE Index Data Correction Policy" as per Appendix 1. - For reference, see "Index Data Correction Process" as per Appendix 2 III. Implementation Date (scheduled) The policy will take effect on May 31, ...

Disclaimer: This English translation is for reference purposes only and not a legally definitive translation of the original Japanese text. In the event a difference arises regarding the meaning herein, the original Japanese version will prevail as the official authoritative version Revision of Tick Size for TSE Mothers Index Futures Strategy Trades September 26, 2018 Osaka Exchange, Inc. I. Purpose Osaka Exchange, Inc. (OSE) will revise the tick size of TSE Mothers Index Futures Strategy Trades to boost trading by enhancing convenience for market participants. II. Outline Item Contents Remarks Revision of Tick Size - The tick size shall be 0.5 points. - The current tick size is 0.1 points. - The tick size for other trade categories will remain the same. III. Implementation Date (tentative) The above is to be implemented on February 12, 2019....

1 [Translation] July 1, 2025 Company Name: Japan Exchange Group, Inc. Name of Representative: Yamaji Hiromi, Director & Representative Executive Officer, Group CEO (Code No.: 8697, TSE Prime) Inquiries: Takada Masahiro, Director, Corporate Communications (Tel: +81-3-3666-1361) Status of Acquisition of Own Shares (Acquisition of Own Shares Based on Provisions of the Articles of Incorporation Pursuant to Article 459, Paragraph 1 of the Companies Act) Japan Exchange Group, Inc. (JPX) previously announced its decision in the Board of Directors meeting held on April 28, 2025 on matters regarding the acquisition of own shares pursuant to the provisions of its Articles of Incorporation and Article 459, Paragraph 1 of the Companies Act. JPX hereby announces the status of acquisition as follows. 1. Classification of shares acquired Common shares 2．Total no. of shares acquired 3,571,100 shares 3．Total value of shares acquired JPY 5,597,146,800 4．...

1 [Translation] June 2, 2025 Company Name: Japan Exchange Group, Inc. Name of Representative: Yamaji Hiromi, Director & Representative Executive Officer, Group CEO (Code No.: 8697, TSE Prime) Inquiries: Takada Masahiro, Director, Corporate Communications (Tel: +81-3-3666-1361) Status of Acquisition of Own Shares (Acquisition of Own Shares Based on Provisions of the Articles of Incorporation Pursuant to Article 459, Paragraph 1 of the Companies Act) Japan Exchange Group, Inc. (JPX) previously announced its decision in the Board of Directors meeting held on April 28, 2025 on matters regarding the acquisition of own shares pursuant to the provisions of its Articles of Incorporation and Article 459, Paragraph 1 of the Companies Act. JPX hereby announces the status of acquisition as follows. 1. Classification of shares acquired Common shares 2．Total no. of shares acquired 5,404,500 shares 3．Total value of shares acquired JPY 8,632,922,050 4．...

[Translation] March 1, 2023 Company Name: Japan Exchange Group, Inc. Name of Representative: KiyotaAkira, Director & Representative Executive Officer, Group CEO (Code No.: 8697, TSE Prime) Inquiries: Corporate Communications and Investor Relations (TEL: +81-3-3666-1361) Status of Acquisition of Own Shares (Acquisition of Own Shares based on Provisions of the Articles of Incorporation Pursuant to Article 459, Paragraph 1 of the Companies Act) Japan Exchange Group, Inc. (JPX) previously announced its decision in the Board of Directors meeting held on January 30, 2023 on matters regarding acquisition of own shares pursuant to the provisions of its Articles of Incorporation and Article 459, Paragraph 1 of the Companies Act. JPX hereby announces the status of acquisition as follows. 1. Classification of shares acquired Common shares 2．Total no. of shares acquired 2,454,100 shares 3．Total value of shares acquired JPY 4,822,991,950 4．Acquisition period* ...

[Translation] April 3, 2023 Company Name: Japan Exchange Group, Inc. Name of Representative: Yamaji Hiromi, Director & Representative Executive Officer, Group CEO (Code No.: 8697, TSE Prime) Inquiries: Corporate Communications and Investor Relations (TEL: +81-3-3666-1361) Status of Acquisition of Own Shares (Acquisition of Own Shares based on Provisions of the Articles of Incorporation Pursuant to Article 459, Paragraph 1 of the Companies Act) Japan Exchange Group, Inc. (JPX) previously announced its decision in the Board of Directors meeting held on January 30, 2023 on matters regarding acquisition of own shares pursuant to the provisions of its Articles of Incorporation and Article 459, Paragraph 1 of the Companies Act. JPX hereby announces the status of acquisition as follows. 1. Classification of shares acquired Common shares 2．Total no. of shares acquired 2,449,600 shares 3．Total value of shares acquired JPY 4,944,115,650 4．Acquisition ...

[Translation] May 1, 2023 Company Name: Japan Exchange Group, Inc. Name of Representative: Yamaji Hiromi, Director & Representative Executive Officer, Group CEO (Code No.: 8697, TSE Prime) Inquiries: Corporate Communications and Investor Relations (TEL: +81-3-3666-1361) Status of Acquisition of Own Shares (Acquisition of Own Shares based on Provisions of the Articles of Incorporation Pursuant to Article 459, Paragraph 1 of the Companies Act) Japan Exchange Group, Inc. (JPX) previously announced its decision in the Board of Directors meeting held on January 30, 2023 on matters regarding acquisition of own shares pursuant to the provisions of its Articles of Incorporation and Article 459, Paragraph 1 of the Companies Act. JPX hereby announces the status of acquisition as follows. 1. Classification of shares acquired Common shares 2．Total no. of shares acquired 1,253,400 shares 3．Total value of shares acquired JPY 2,592,534,750 4．Acquisition ...

[Translation] June 1, 2023 Company Name: Japan Exchange Group, Inc. Name of Representative: Yamaji Hiromi, Director & Representative Executive Officer, Group CEO (Code No.: 8697, TSE Prime) Inquiries: Corporate Communications and Investor Relations (TEL: +81-3-3666-1361) Status of Acquisition of Own Shares (Acquisition of Own Shares based on Provisions of the Articles of Incorporation Pursuant to Article 459, Paragraph 1 of the Companies Act) Japan Exchange Group, Inc. (JPX) previously announced its decision in the Board of Directors meeting held on January 30, 2023 on matters regarding acquisition of own shares pursuant to the provisions of its Articles of Incorporation and Article 459, Paragraph 1 of the Companies Act. JPX hereby announces the status of acquisition as follows. 1. Classification of shares acquired Common shares 2．Total no. of shares acquired 0 shares 3．Total value of shares acquired JPY 0 4．Acquisition period* May 1, 2023–May ...

[Translation] February 1, 2023 Company Name: Japan Exchange Group, Inc. Name of Representative: KiyotaAkira, Director & Representative Executive Officer, Group CEO (Code No.: 8697, TSE Prime) Inquiries: Corporate Communications and Investor Relations (TEL: +81-3-3666-1361) Status of Acquisition of Own Shares (Acquisition of Own Shares based on Provisions of the Articles of Incorporation Pursuant to Article 459, Paragraph 1 of the Companies Act) Japan Exchange Group, Inc. (JPX) previously announced its decision in the Board of Directors meeting held on January 30, 2023 on matters regarding acquisition of own shares pursuant to the provisions of its Articles of Incorporation and Article 459, Paragraph 1 of the Companies Act. JPX hereby announces the status of acquisition as follows. 1. Classification of shares acquired Common shares 2．Total no. of shares acquired 132,100 shares 3．Total value of shares acquired JPY 260,981,900 4．Acquisition period* January 31, ...

[Translation] July 3, 2023 Company Name: Japan Exchange Group, Inc. Name of Representative: Yamaji Hiromi, Director & Representative Executive Officer, Group CEO (Code No.: 8697, TSE Prime) Inquiries: Corporate Communications and Investor Relations (TEL: +81-3-3666-1361) Status of Acquisition of Own Shares (Acquisition of Own Shares based on Provisions of the Articles of Incorporation Pursuant to Article 459, Paragraph 1 of the Companies Act) Japan Exchange Group, Inc. (JPX) previously announced its decision in the Board of Directors meeting held on January 30, 2023 on matters regarding acquisition of own shares pursuant to the provisions of its Articles of Incorporation and Article 459, Paragraph 1 of the Companies Act. JPX hereby announces the status of acquisition as follows. 1. Classification of shares acquired Common shares 2．Total no. of shares acquired 0 shares 3．Total value of shares acquired JPY 0 4．Acquisition period* June 1, 2023–June ...