Daicel CorporationTSE: 4202

Notice Concerning Result of Acquisition of Treasury Stock through Own Shares Through ToSTNeT-3 [PDF: 32.2 KB]

· Issued by Daicel Corporation

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 11, 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 Result of Acquisition of Treasury Stock Through Off-Auction Own Share Repurchase Trading System (ToSTNeT-3)

DAICEL CORPORATION (hereinafter referred to as the "Company") announces that, in line with the announcement made on November 10, 2025, concerning the acquisition of treasury stock, it has repurchased its own shares as described below.

  1. Reason for conducting acquisition of own shares

    The objective is to enhance shareholder returns and improve capital efficiency as part of the capital policy in the Mid-Term Management Strategy.

  2. Details of Items Related to Acquisition

    1. Type of shares to be acquired: Common stock of the Company

    2. Total number of shares acquired: 2,883,500 shares

    3. Acquisition costs: ¥ 3,638,977,000

    4. Date of acquisition: November 11, 2025

    5. Method of acquisition: Purchase through off-auction own share repurchase trading system of the

Tokyo Stock Exchange (ToSTNeT-3)

(Reference) Details of resolution approved at the Board of Directors' meeting held on November 6, 2025.

  1. Type of shares to be acquired: Common stock of the Company

  2. Total number of shares to be acquired: 11,000,000 shares (maximum)

    (Representing 4.14% of outstanding shares, excluding treasury shares)

  3. Total amount of acquisition: ¥ 15 billion (maximum)

  4. Acquisition period: November 10, 2025 to March 31, 2026

  5. 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)

[End of document]

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