Notice Regarding the Decision on Matters Concerning Treasury Stock Acquisition (Acquisition of Treasury Stock Based on the Provisions of Article 459, Paragraph 1 of the Companies Act and the Articles of Incorporation)

Overview of Capital Policy

At the board of directors meeting held on January 8, 2026, Kumagai Gumi Co., Ltd. resolved to acquire treasury stock pursuant to Article 459, Paragraph 1 of the Companies Act and Article 33 of the Articles of Incorporation. The purpose of the acquisition is to expand shareholder returns and improve capital efficiency following the sale of shares and the recording of gains on sales of investment securities. The shares to be acquired are common shares, with an upper limit of 3,000,000 shares (1.7% of the total issued shares). The total acquisition value is up to 3.5 billion yen. The acquisition period is from January 30 to March 31, 2026, and the acquisition method is market purchase on the Tokyo Stock Exchange.

Impact on Shareholders and Current Situation

As of November 30, 2025, the total number of issued shares (excluding treasury stock) stood at 172,834,468 shares, with 307,772 shares held as treasury stock. Through this treasury stock acquisition, up to 1.7% of the total issued shares may be acquired, which is expected to improve capital efficiency and strengthen shareholder returns. However, depending on market conditions, some or all of the acquisitions may not be executed.