Notice Regarding the Status of Treasury Stock Acquisition (Acquisition of Treasury Stock Based on the Provisions of Article 165, Paragraph 2 of the Companies Act)

Overview of Capital Policy

Daicel Corporation acquired 700,200 shares of treasury stock from February 1 to February 28, 2026, based on the provisions of Article 165, Paragraph 2 of the Companies Act. The total acquisition cost amounted to 1,138,117,600 yen. The acquisition method was market purchase on the Tokyo Stock Exchange. Based on the board resolution announced on November 6, 2025, the maximum number of shares available for acquisition is 11 million shares (4.14% of the total issued shares), with an acquisition limit of 15 billion yen. The acquisition period is from November 10, 2025, to March 31, 2026.

Impact on Shareholders and Future Outlook

As of the end of February 2026, the cumulative number of shares acquired reached 8,504,200 shares with a total acquisition cost of 11,483,268,950 yen. This increases the ratio of treasury stock relative to total issued shares, which is expected to enhance per-share value and serve as part of shareholder returns. Going forward, acquisition of treasury stock is expected to continue within the acquisition period until March 31, 2026, while considering market conditions.