Riken Technos updates share repurchase, announces executive appointments

Riken Technos Corporation has announced the acquisition of 1,396,000 common shares for a total of JPY 1,871,906,700 between November 7 and November 30, 2025. This repurchase, conducted via off-auction and market purchases, is part of a program authorized by the board of directors on October 31, 2025. The program aimed to acquire up to 1,500,000 shares (3.1% of issued shares) for a maximum of JPY 2,000,000,000 by January 31, 2026. As of November 30, 2025, the cumulative total acquired under this resolution matches the latest figures.

In parallel, the company will implement personnel changes to its executive officers effective January 1, 2026. Akihiro Tamura will transition from senior general manager of Film Div., Monozukuri Headquarters, and general manager of Film R&D Dept., Film Div., Monozukuri Headquarters, to also encompass general manager of Core Technology R&D Dept., Monozukuri Headquarters.

Hiroaki Wakayama will assume the role of executive officer, senior general manager of Compound Div. He previously held this position concurrently with general manager of R&D Center.