#ConstructionTechnologyResearchInstitute

At the 63rd fiscal year (2025) financial results briefing, it was explained that operating income fell short of the plan by approximately 900 million yen, primarily due to increased SG&A expenses and delays in securing large overseas projects.

Acquired 112,500 shares of treasury stock between January 1 and January 31, 2026, with a total acquisition cost of 338,397,992 yen. The cumulative number of shares acquired is 325,800, with a total acquisition cost of 974,392,286 yen.

Resolved to allocate 59,500 shares (equivalent to approximately 176 million yen) of treasury stock out of 740,575 shares to the employee shareholding association through a special incentive bonus scheme.