Notice Concerning the Status of acquisition of Treasury Stocks [PDF:31.2 KB]

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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. February 3, 2026 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: Misa Goto, Head of Investor Relations, Corporate Planning & Strategy Office (Phone: +81-3-6711-8120) Notice Concerning the Status of acquisition of Treasury Stocks (Acquisition of Treasury Stock Pursuant to the Articles of Incorporation Based on the Provision of Article 165, Paragraph 2 of the Companies Act) DAICEL CORPORATION (The "Company") hereby announces the status of acquisition of treasury stocks under the provision of Article 156 of the Companies Act of Japan, as applied pursuant to Article 165, Paragraph 3 of the same Act. Type of shares acquired: Common stock of the Company Total number of shares acquired : 1,715,800 shares Total Acquisition amount: 2,494,465,950 yen Acquisition period: January 1, 2026 to January 31, 2026 Acquisition method: Purchase on the Tokyo Stock Exchange market (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) Cumulative number of treasury stock acquired in accordance with the above resolution of the Board of Directors (as of January 31, 2026) Total number of shares repurchased 7,804,000 shares Total repurchase amount 10,345,151,350 yen [End of document]

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