Tosoh completes latest share buyback tranche, nearly 2.8m shares acquired

Tosoh Corporation announced on October 3, 2025, the completion of its latest treasury share acquisition. From September 1 to September 30, 2025, the company acquired 1,232,000 common shares for a total cost of JPY 2,891,846,000. These shares were purchased through a discretionary trading contract, aligning with the resolution made at the board of directors meeting on August 5, 2025.

The current acquisition is part of a larger share repurchase program authorized by the board of directors on August 5, 2025. This program permits the acquisition of up to 17,000,000 common shares, representing 5.34% of the total issued shares (excluding treasury shares), with an aggregate cost not exceeding JPY 25 billion. The overall acquisition period for this program is from August 6, 2025, to March 31, 2026.

As of September 30, 2025, Tosoh Corporation has cumulatively acquired 2,794,000 common shares under the current resolution. The total acquisition cost for these shares amounts to JPY 6,496,123,850.