Notice Regarding the Resolution on Treasury Stock Acquisition and Cancellation of Treasury Stock (Based on the Provisions of Article 165, Paragraph 2 of the Companies Act and Article 178 of the Companies Act)

Overview of Capital Policy

Sekisui Chemical Co., Ltd. has resolved to acquire and cancel treasury stock as part of its shareholder return initiatives. The shares targeted for acquisition are common stock of the company, with a maximum acquisition quantity of 4,000,000 shares (0.99% of issued shares). The total acquisition price is capped at 12 billion yen. The acquisition period will run from April 30, 2026 to March 31, 2027, and acquisitions will be conducted through market purchases (including announced market purchases). Meanwhile, cancellations of 25,000,000 shares (5.81% of issued shares) are scheduled for May 25, 2026.

Impact on Shareholders and Future Outlook

The acquisition and cancellation of treasury stock will reduce the number of issued shares, leading to an expected enhancement in value per share. Following cancellation, the total number of issued shares will be 405,507,285. These measures are part of shareholder return initiatives and aim to improve capital efficiency. Details about acquisition progress and cancellation implementation will be disclosed as appropriate.