Trend Micro Announces Results of Share Buyback

Tokyo, Japan – March 24, 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 of Article 370 of the Corporation Law on February 21, 2011 has finished today.

1. Class of Capital Stock to be Purchased

Shares of Common Stock

2. Purchase Period

From February 22, 2011 to March 24, 2011 (based on trade date)

3. Number of Shares Purchards


4. Aggregate cost of shares purchased

3,340,226,100 yen

Note: With the resolution pursuant to Article 370 of the Corporation Law as of February 21, 2011, the Board approved 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 2,000,000 shares (1.50% of the total outstanding shares)
(3) Total Purchase Price: Up to 5,500 million yen
(4) Schedule: From February 22, 2011 to March 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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