Trend Micro Announces Results of Share Buyback

Tokyo, Japan – May 31, 2011 - Trend Micro (TSE: 4704), a leader in network antivirus and Internet content security software and services, today announced the results of its share buyback program under Article 156 of the Corporation Law of Japan, as applied pursuant to Article 165(3) of the Corporation Law.

And this buyback program approved pursuant to a resolution adopted at a meeting of the Board of Directors held on May 11, 2011 has finished today.

1. Class of Capital Stock to be Purchased

Shares of Common Stock

2. Purchase period

From May 12, 2011 to May 31, 2011 (based on trade date)

3. Number of shares purchased


4. Aggregate cost of shares purchased

1,342,094,400 yen

Note: At the meeting of the Board of Directors held on May 11, 2011, the Board adopted a resolution approving the share buyback program as follows:

(1) Class of Capital Stock to be Purchased: Shares of Common Stock
(2) Number of Shares to be Purchased: Up to 560,000 shares (0.42% of the total outstanding shares)
(3) Total Purchase Price: Up to 1,500 million yen
(4) Schedule: From May 12, 2011 to May 31, 2011
(5) Method of repurchase: Open market purchases at the Tokyo Stock Exchange


About Trend Micro:

Trend Micro Incorporated (TSE: 4704), a global cloud security leader, creates a world safe for exchanging digital information with its Internet content security and threat management solutions for businesses and consumers. A pioneer in server security with over 20 years' experience, we deliver top-ranked client, server and cloud-based security that fits our customers' and partners' needs, stops new threats faster, and protects data in physical, virtualized and cloud environments. Powered by the Trend Micro™ Smart Protection Network™ cloud security infrastructure, our industry-leading cloud-computing security technology, products and services stop threats where they emerge, on the Internet, and are supported by 1,000+ threat intelligence experts around the globe.

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