Riken Technos details additional treasury share repurchase via ToSTNeT-3

Riken Technos Corporation disclosed specific details for an off-market buyback of its common shares via the Tokyo Stock Exchange's ToSTNeT-3 system. On August 29, 2025, at 8:45 a.m., the company will place a purchase order for up to 650,000 shares at the closing price of JPY 1,183 from August 28, 2025. This transaction is part of a larger share acquisition resolution approved on July 31, 2025.

The earlier resolution authorized the repurchase of up to 1,500,000 common shares, with a total acquisition cost not exceeding JPY 1,800,000,000. The acquisition period for this broader plan extends from August 8, 2025, to October 31, 2025.

As of August 28, 2025, Riken Technos had already acquired 621,400 shares under the July 31 resolution, at a total cost of JPY 728,902,200. The upcoming ToSTNeT-3 transaction on August 29 represents a further step in fulfilling this ongoing treasury share acquisition program.