Notice regarding completion of cancellation of treasury stock (Cancellation of treasury stock pursuant to Article 178 of the Companies Act)

Dec. 29, 2025

Komatsu Ltd. (“Komatsu”) hereby announces that, based on the resolution of its Board of Director’s meeting held on April 28, 2025, Komatsu has canceled its treasury stock acquired pursuant to Article 156 of the Companies Act of Japan (the “Companies Act”) as applied pursuant to Article 165, Paragraph 3 of the Companies Act, in accordance with Article 178 of the Companies Act, as described below.

1. Class of shares canceled                                        Common stock
2. Total number of shares canceled                         20,612,500 shares
                                                                                          (2.2% of the total number of shares outstanding prior to the cancellation)
3. Date of cancellation                                                December 29, 2025


(References)
1. Total number of shares outstanding                   930,340,620 shares after the cancellation

2. Details of the resolution for share buyback at the meeting of the Board of Director’s held on April 28, 2025
(1) Class of shares to be repurchased                     Common stock
(2) Total number of shares to be repurchased      Up to 40 million shares(Represents up to 4.3% of the total number of
                                                                                          outstanding shares (excluding treasury stock))
(3) Total purchase price for buyback of shares     Up to 100 billion yen
(4) Period of buyback                                                  April 30, 2025 to November 28, 2025
(5) Method of buyback                                                Purchase at the Tokyo Stock Exchange

3. Cumulative number of share buyback, pursuant to the Board of Director’s resolution above
(1) Total number of shares repurchased                 20,612,500 shares
(2) Total purchase price for buyback of shares     99,999,563,604 yen

4. Details of the resolution for cancellation of treasury stock at the meeting of the Board of Director’s held on April 28, 2025
(1) Class of shares to be canceled                            Common stock
(2) Number of shares to be canceled                       All shares repurchased
(3) Planned date of cancellation                              December 29, 2025


No : 0083(3399)
Corporate Communications Department
Sustainability Promotion Division
Komatsu Ltd.
tel: +81-(0)3-5561-2616
mail: JP00MB_cc_department@global.komatsu
*The information may be subject to change without notice.