Suzuken : to Repurchase Shares Through ToSTNet-3

November 19, 2025

Press Release SUZUKEN CO., LTD.

Shigeru Asano, President and CEO (Stock Code: 9987)

Securities Traded: Prime Markets of the Tokyo and Nagoya Stock Exchanges, and the Sapporo Securities Exchange Contact: Yuichi Yamamoto, Executive Officer, Senior General Manager of Corporate Group Planning Headquarters Tel.: +81-52-961-2331

Suzuken Announces Share Repurchase Through ToSTNet-3 (Share repurchase in accordance with the Articles of Incorporation pursuant to the provision of Article 459, Paragraph 1 of the Companies Act)

Suzuken Co., Ltd. (hereinafter, "the Company") hereby announces that it has decided on the specific method and details for the share repurchase which were resolved by the Board of Directors on May 13, 2025 in accordance with the Articles of Incorporation pursuant to the provisions of Article 459, Paragraph 1 of the Companies Act.

Details are as follows:

1. Method of Share Repurchase

   At the closing price (including the final special quote) of ¥5,777 today (November 19, 2025), the Company will place an order to repurchase shares at 8:45 a.m., on November 20, 2025, through Off-Auction Own Share Repurchase Trading System (ToSTNeT-3) on the Tokyo Stock Exchange. (No changes will be made to other trading systems or trading hours.) This purchase order will be valid only during the specified trading time.

2. Details of Share Repurchase

   (1) Class of shares to be repurchased	Common shares
   (2) Total number of shares to be repurchased	Up to 240,000 shares
   (3) Total amount of repurchase	Up to ¥1,386,480,000
   (4) Announcement of repurchase results	The results of the repurchase will be announced after the completion of the trade at 8:45 a.m., on November 20, 2025

   (Notes)

   1. The number of shares to be repurchased will not be changed. However, depending on market conditions and other factors, part or all of the shares may not be repurchased.

   2. The repurchase will be made based on selling orders corresponding to the number of shares to be repurchased.

   3. On or after the day following the repurchase date (November 20, 2025), the Company plans to conduct additional market purchases on the Tokyo Stock Exchange. The maximum number of shares and total amount for such purchases will be limited to the remaining balance after deducting the shares and amount already acquired through market purchases on the Tokyo Stock Exchange, including ToSTNeT-3, from the total number of shares and total amount authorized for repurchase by the Board of Directors' resolution as stated below.

(Reference) Details of resolution to repurchase shares (announced on May 13, 2025)