Purchase of Its Own Shares Through the Market (Share Purchase According to the Articles of Incorporation Pursuant to Article 165, Paragraph 2 of the Corporation Act)

Komatsu Ltd. (hereinafter "Company") hereby announces that pursuant to Article 156 of the Corporation Act of Japan as modified by Article 165, Paragraph 3 of the Act, the Company has purchased its own shares through the market and has completed the purchase of its own shares, which was resolved at the Board of Directors Meeting held on July 29, 2008.

Notes

1. Period of purchase:From August 4 to August 22, 2008
2. Type of shares purchased:Outstanding Common stock of Komatsu Ltd.
3. Total number of shares purchased:1,000,000 shares
4. Total cost of purchase:2,396,385,000 yen
5. Method of purchase:Through Tokyo Stock Exchange

1. Authorization at the Board of Directors Meeting held on July 29, 2008
(1) Type of shares to be purchased:Outstanding Common stock of Komatsu Ltd.
(2) Total number of shares to be purchased:Up to 1,000,000 shares
(3) Total cost of purchase:Up to 3,500,000,000 yen
(4) Period of purchase:From August 1 to August 31, 2008

2. Total number and total cost of Company's own shares purchased under the resolution
(1) Total number of shares purchased:1,000,000 shares
(2) Total cost of purchase:2,396,385,000 yen

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