Riso Kagaku completes treasury stock acquisition, concludes program

Riso Kagaku Corporation completed its treasury stock acquisition as of October 8, 2025. The company acquired 60,200 shares of common stock at a total cost of JPY 72,046,600. The acquisition period for these shares was from October 1, 2025, to October 7, 2025 (on a contract basis), with purchases made on the Tokyo Stock Exchange.

The company had resolved on July 31, 2025, to acquire up to 580,000 shares of common stock, representing 0.90% of outstanding shares (excluding treasury stock), with a total acquisition cost not exceeding JPY 500,000,000. The planned acquisition period was from August 18, 2025, to October 24, 2025.

As of October 7, 2025, the cumulative total of treasury stock acquired under this resolution stood at 410,200 shares, with a total acquisition cost of JPY 499,920,600. The company announced that with the latest acquisition, the entire program has concluded.