Riken Technos continues share buyback program in September

Riken Technos Corporation reported the acquisition of 253,800 common shares for JPY 314,653,800 between September 1 and September 30, 2025. This acquisition was executed through market purchases on the Tokyo Stock Exchange under a discretionary agreement, in line with the board of directors' resolution on July 31, 2025.

The ongoing share buyback program, as approved by the board, aimed to acquire up to 1,500,000 common shares, representing 3.0% of issued shares (excluding treasury shares), with a maximum total cost of JPY 1,800,000,000. The acquisition period for this program was set from August 8, 2025, to October 31, 2025.

As of September 30, 2025, the cumulative total of treasury shares acquired under this resolution reached 1,375,200 shares, with a total acquisition cost of JPY 1,635,056,000.