Sankyo repurchases 2m shares in ongoing buyback program

Sankyo Co., Ltd. repurchased 2,030,600 shares of its common stock for a total of JPY 5,948,881,650 during September 2025. These acquisitions were executed on the Tokyo Stock Exchange and align with the company's previously approved share buyback program.

This repurchase forms part of a larger resolution approved by the board of directors on May 12, 2025. This resolution authorized the repurchase of up to 30,000,000 shares, representing 13.66% of the total outstanding shares (excluding treasury stock), for a maximum aggregate cost of JPY 60,000,000,000. This program is scheduled to run from May 13, 2025, to March 31, 2026.

As of September 30, 2025, the cumulative repurchases under this program amount to 16,831,200 shares, with an aggregate cost of JPY 45,244,873,850.