Trend Micro Announces Results of Share Buyback

TOKYO, March 30 /Xinhua-PRNewswire-FirstCall/ -- Trend Micro

(TSE: 4704; Nasdaq: TMIC), a leader in network antivirus and Internet content security software and services, today announced the results of its share buyback program pursuant to Article 165(2) of the Corporation Law of Japan. The share buyback program was approved pursuant to a resolution adopted at a meeting of the Board of Directors held on March 20, 2007.

1. Purchase period

From March 22, 2007 to March 30, 2007 (based on trade date)

2. Number of shares purchased

819,000 shares

3. Aggregate cost of shares purchased

2,533,155,000 yen

4. Purchase method

Transactions through the Tokyo Stock Exchange

Note: At the meeting of the Board of Directors held on March 20, 2007,

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 1 million shares

(3) Total Purchase Price: Up to 3.2 billion yen

(4) Schedule: From March 22, 2007 to March 30, 2007

Notice Regarding Forward-looking Statements

Certain statements that we make in this release are forward-looking statements. These forward-looking statements are based upon management's current assumptions and beliefs in light of the information currently available to it, but involve known and unknown risks and uncertainties. Many important factors could cause our actual results to differ materially from those expressed in our forward-looking statements. These factors include:

-- Difficulties in addressing new virus and other computer security

problems

-- Timing of new product introductions and lack of market acceptance

for our new products

-- The level of continuing demand for, and timing of sales of, our

existing products

-- Rapid technological change within the antivirus software industry

-- Changes in customer needs for antivirus software

-- Existing products and new product introductions by our competitors

and the pricing of those products

-- Declining prices for products and services

-- The effect of future acquisitions on our financial condition and

results of operations

-- The effect of adverse economic trends on our principal markets

-- The effect of foreign exchange fluctuations on our results of

operations

-- An increase in the incidence of product returns

-- The potential lack of attractive investment targets and

-- Difficulties in successfully executing our investment strategy

We assume no obligation to update any forward-looking statements. For more details regarding risk factors relating to our future performance, please refer to our filings with the U.S. Securities and Exchange Commission.

About Trend Micro

Trend Micro Incorporated is a leader in network antivirus and Internet content security software and services. The Tokyo-based corporation has business units worldwide. Trend Micro products are sold through corporate and value-added resellers and managed service providers. For additional information, visit www.trendmicro.com .

For Additional Information

Mr. Mahendra Negi

Chief Operating Officer / Chief Financial Officer / IR Officer

Tel: +81-3-5334-4899

Fax: +81-3-5334-4874

Email: ir@trendmicro.co.jp