Tokyo, Japan – July 5, 2006 – Trend Micro Inc. (TSE: 4704; Nasdaq: TMIC), announced that its Chief Executive Officer Eva Chen has advised the Board of Directors that the staff of the U.S. Securities and Exchange Commission ("SEC”) may recommend that the SEC commence a civil enforcement action against Ms. Chen for alleged violations of Section 10(b) of the Securities Exchange Act of 1934 and Rule 10b-5 thereunder involving her spouse, Daniel Chiang, and trading in the securities of SINA Corporation. Mr. Chiang is former co-chairman of SINA Corporation. The SEC staff has also inquired into whether Ms. Chen under-reported her holdings in Trend Micro shares. 

The Company is not aware of any allegations against Ms. Chen that would be attributable to the Company. The Board of Directors and the Board of Corporate Auditors (for a description of the Board of Corporate Auditors, please refer to our annual report on Form 20-F for the year ended December 31, 2005, which has been filed with the SEC) are monitoring the effects of this development on the Company.

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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