Notice of Retirement (Cancellation) of Repurchased Shares

Komatsu Ltd. (hereinafter "Company") repurchased its own shares based on the resolutions made by the Board of Directors in its meeting held on October 27, 2011 and in accordance with Article 156 of the Companies Act of Japan as modified by Article 165, Paragraph 3 of the Act. Having completed repurchasing, the Company is going to retire repurchased shares pursuant to Article 178 of the Companies Act of Japan as listed below.


Notes
1. Type of shares to retire : Outstanding common stock of Komatsu Ltd.

2. Number of shares to retire : 15,613,800 shares
(1.61% of total outstanding shares prior to retirement excluding treasury stock)

3. Date of retirement : January 20, 2012

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