Riken Technos to repurchase shares via ToSTNeT-3

Riken Technos Corporation announced it will execute an off-auction treasury share repurchase through the ToSTNeT-3 trading system on May 22, 2025, at 8:45 a.m. The purchase order will be placed at the closing price of JPY1,014 per share. The maximum number of shares to be acquired is 450,000. This repurchase is based on a resolution passed by the Board of Directors on February 25, 2025, to acquire up to 2,000,000 shares for a total acquisition cost of up to JPY2,400,000,000 during the period from March 7, 2025, to June 30, 2025. As of May 21, 2025, the company had already acquired 1,259,600 shares for a total cost of JPY1,391,858,000 under this resolution. The announcement of results will occur immediately after the transaction at 8:45 a.m. on May 22, 2025.