Sekisui Chemical to repurchase treasury stock via ToSTNeT-3

Sekisui Chemical Co., Ltd. announced its intention to repurchase its own shares through an off-market treasury stock repurchase transaction (ToSTNeT-3) on November 19, 2025. The company will place a buy order for its common stock at JPY 2,530.0 per share, which was the closing price on November 18, 2025. The transaction is scheduled for 8:45 AM JST on November 19, 2025, on the Tokyo Stock Exchange, with results to be announced after the trading session closes.

The company plans to acquire up to 4,000,000 shares of its common stock, with a total acquisition value not exceeding JPY 10,120,000,000. This buy order will be valid only for the specified trading hours. A partial or full acquisition may not occur depending on market conditions.

This repurchase is part of a broader resolution approved by the board of directors on October 30, 2025, which authorized the acquisition of up to 10,000,000 shares, representing 2.41% of outstanding shares (excluding treasury stock), with a total acquisition value of up to JPY 30,000,000,000. The acquisition period for this larger program spans from October 31, 2025, to March 31, 2026. As of November 18, 2025, no shares had been acquired under this resolution.