Aisin : Notice Concerning Determination of Matters Relating to Stock Repurchase, Suspension of Stock Repurchase, and Cancellation of Treasury Shares

Note: This document has been translated from the Japanese original for reference purposes only. In the event of any discrepancy between this translated document and the Japanese original, the original shall prevail.

April 28, 2026

Company name: AISIN CORPORATION Name of representative: Moritaka Yoshida, President

(Securities code: 7259, Tokyo and Nagoya Stock Exchanges)

Inquiries: Takashi Kurauchi, General Manager Finance & Accounting Dept. (Telephone: +81-566-24-8265)

Notice Concerning Determination of Matters Relating to Stock Repurchase, Suspension of Stock Repurchase, and Cancellation of Treasury Shares

AISIN CORPORATION (the "Company") hereby announces that, at its board of directors meeting held on April 28, 2026, it passed a resolution on matters relating to the stock repurchase pursuant to Article 156 of the Companies Act of Japan, as applied pursuant to Article 165, paragraph 3 of the Companies Act, and also passed a resolution to suspend the stock repurchase pursuant to the resolution of the board of directors meeting held on April 25, 2025 (including any subsequent amendments), and to cancel its treasury stock pursuant to Article 178 of the Companies Act.

1. Matters Relating to the Stock Repurchase

   1. Reason for the Stock Repurchase

      In the 2028 Medium-term Management Plan announced on February 19, 2026, the Company has a policy of expanding business in growth areas and improving capital efficiency in order to achieve sustainable growth and enhance corporate value over the medium to long-term.

      This stock repurchase is in line with the above policy and is intended to improve capital efficiency and enhance corporate value. Going forward, the Company will continue to strengthen shareholder returns through stable and continuous dividends and agile stock repurchases, taking into account the balance between financial stability and capital efficiency, as well as future investment trends.

   2. Details of the Stock Repurchase Resolved at the Board of Directors Meeting Held on April 28, 2026 (New Stock Repurchase Resolution)

      1. Class of shares to be repurchased Common stock of the Company

      2. Total number of shares to be repurchased

         65,000,000 shares (maximum)

         (9.0% of the total number of issued shares (excluding treasury shares))

      3. Aggregate amount of repurchase cost 100,000,000,000 (maximum)

      4. Period of repurchase April 30, 2026 to March 31, 2027

      5. Method of repurchase Market purchases on the Tokyo Stock Exchange, Inc., off-floor trading (ToSTNeT-3), and a tender offer for own shares

      6. Other Decisions relating to any other necessary matters for the stock repurchase will be entrusted to the Representative Director of the Company.

         However, this will exclude the stock repurchase by way of a tender offer for own shares.

         (Note)

         There is a possibility that some or all of the purchase may not be carried out due to market trends and other factors.

         The "Matters Relating to the Stock Repurchase" set forth above include the Company's acquisition of its own shares through the tender offer (the planned number of own shares to be purchased:

         23,239,327 shares (maximum); total purchase price: ¥46.1 billion) as stated in the separately announced press release titled "Notice Concerning Share Repurchase and Tender Offer for Own Shares" released today.

2. Status of the Stock Repurchase Based on the Resolution of the Board of Directors Meeting Held on April 25, 2025 (Including Subsequent Amendments), and the Suspension Thereof

   1. Reason for the Suspension

      The Company has decided to implement the purchase of its own shares pursuant to the newly resolved matters above.

   2. Details of the Resolution of the Board of Directors Meeting Held on April 25, 2025 (Including Subsequent Amendments, Former Stock Repurchase Resolution)

      1. Class of shares to be repurchased Common stock of the Company

      2. Total number of shares to be repurchased

         130,000,000 shares (maximum)

      3. Aggregate amount of repurchase cost 150,000,000 (maximum)

      4. Period of repurchase May 1, 2025 to April 30, 2026

      5. Method of repurchase Market purchases on the Tokyo Stock Exchange, Inc., off-floor trading (ToSTNeT-3), and a tender offer for own shares

   3. Cumulative Number of Own Shares Purchased Pursuant to the Above Resolution (As of April 28, 2026)

(Reference) Number of treasury shares as of March 31, 2026

Total number of issued shares (excluding treasury shares): 724,572,870 shares Number of treasury shares: 34,451,032 shares

End

2