Trend Micro Notice to Amend Certain Information Included in the Notice of the Grant of Stock Option

Tokyo, Japan - February 28, 2001 - Trend Micro Inc. (NASDAQ:TMIC, Tokyo TSE:4704), a leading provider of antivirus and Internet content security software, today announced that the "Notice of the Grant of Stock Option", which was released on February 28, 2001, has been amended as follows:

1. Item to be Amended

Item (v) of "(6) Conditions of Exercise of the Subscription Right" of "2. Summary of the Stock Option Plan" in the above-mentioned Notice

2. Details of the Amendment

1. Before Amendment

(v) With respect to exercise of the subscription right, the total amount of the issue price of shares issued upon exercise of the subscription right shall not exceed ¥10,000,000 per calendar year.

2. After Amendment

(v) If restrictions on the total amount per calendar year of the issue price of shares to be issued upon exercise of the subscription right are provided for in the agreement regarding the grant of the subscription right (as described below), any person eligible for the stock option is subject to such restrictions with respect to exercise of the subscription right.

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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