Construction Technology Research Institute Share Buyback Completion｜July 2026

Overview of the Share Buyback

Construction Technology Research Institute completed the share buyback resolved by the Board of Directors on January 30, 2026. The buyback was conducted through a third-party allocation to the employee stock ownership plan, with the number of shares to be repurchased totaling 23,069 shares and the total amount changed to approximately ¥68 million. Upon implementation, partial cancellation occurred, reducing the total amount from the initially planned approximately ¥176 million. The buyback is conditional upon effectiveness of the securities registration statement under the Financial Instruments and Exchange Act.

Future Outlook and Impact

The impact of this share buyback on consolidated results for the fiscal year ending December 2026 is expected to be minor. Details and results of the buyback will be publicly announced as needed in the future. The purpose of the buyback is to incentivize employees and promote participation in the employee stock ownership plan, as part of capital policy measures.