Tokyo, Japan – April 16, 2004 - Trend Micro (TSE: 4704; Nasdaq: TMIC), a leader in network antivirus and Internet content security software and services, today announced that the forecast of financial results for the first quarter of the fiscal year ending December 31, 2004, is revised as set forth below.

1. Revision of forecast of financial results for the first quarter of FY2004 (U.S. GAAP) (January 1, 2004 to March 31, 2004)

(in millions of yen)

	Net Sales	Operating Income	Net Income
Forecast previously published ( A )(December 31, 2011)	12,200	3,600	2,100
Revision made ( B )	13,621	5,140	3,141
Year of 2011 Amount of increase ( B - A )	1,421	1,540	1,041
Ratio of increase or decrease	12%	43%	50%

2.) Reason for Revision

The company has decided to revise its forecasts because it is expected that net sales will deviate by more than 10% and operating income and net income will deviate by more than 30% from the previous forecasts, respectively. This deviation is due to an increase in demand for antivirus products caused by outbreaks of several potent viruses such as "NETSKY".

The company will disclose the details of its results for the first quarter of fiscal year ending December 31, 2004, on the day of its financial results announcement, April 20th, 2004.

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 anti-virus software industry;
• Changes in customer needs for anti-virus software;
• - Existing products and new product introductions by our competitors and the pricing of those products;
• - Declining prices for our 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 SEC.

 

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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