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.
November 10, 2025
To whom it may concern,
Company Name: DAICEL CORPORATION Representative: Yasuhiro Sakaki, President and CEO
(Code: 4202, Prime Market of the Tokyo Stock Exchange)
Contact: Masahiko Hirokawa, Executive Officer, Deputy
General Manager, Corporate Support Headquarters and General Manager, Investor Relations & Corporate Communications
(Phone: +81-3-6711-8121)
Notice Concerning the Acquisition of Treasury Stock through Off-Auction Own Share Repurchase Trading System (ToSTNeT-3)DAICEL CORPORATION (hereinafter referred to as the "Company") hereby announces today that the specific method of acquisition related to the acquisition of own shares pursuant to the Article 156 of the Companies Act as applied mutatis mutandis to the provisions of Article 165, paragraph
(3) of the same Act at a meeting of the Board of Directors held on November 6, 2025. And the details have been decided and are as follows.
Method of Acquisition
The Company will place an order to purchase shares at 8:45 a.m. on November 11, 2025 through Off-Auction Own Share Repurchase Trading System (ToSTNeT-3). The price for the shares in the buy-order shall be ¥1,262, the closing price of the Company's ordinary shares on Tokyo Stock Exchange on November 10, 2025 (closing price transaction). There will be no change to the trading method or time. The purchase order will apply only to the specified transaction time.
Details of Items Related to Acquisition
(1) Type of shares to be acquired
Common stock of the Company
(2) Total number of shares to be acquired:
2,900,000 shares (maximum)
(3) Announcement of acquisition of treasury stock result:
The result of the acquisition of treasury stock will be announced after the trading time of 8:45
a.m. on November 11, 2025.
Note1: The number of the treasury stock to be acquired is fixed. Depending on the market condition, however, there is likelihood that some or all of the treasury stock may not be acquired.
Note2: Repurchase transactions will be made on the shares on sell-orders which correspond to the maximum number of treasury stocks to be acquired.
(Reference) Details of resolution approved at the Board of Directors' meeting held on November 6, 2025.
Type of shares to be acquired: Common stock of the Company
Total number of shares to be acquired: 11,000,000 shares (maximum)
(Representing 4.14% of outstanding shares, excluding treasury shares)
Total amount of acquisition: ¥ 15 billion (maximum)
Acquisition period: November 10, 2025 to March 31, 2026
Acquisition method: ①Purchase on the Tokyo Stock Exchange market
②Purchase through off-auction own share repurchase trading system of the Tokyo Stock Exchange (ToSTNeT-3)
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