Trend Micro Ships PC-cillin 2000, First Desktop Antivirus Solution to be Certified for Microsoft Windows 2000

Enhanced version of award-winning consumer desktop antivirus software certified to support Application Specifications for Windows 2000 Professional by VeriTest labs

Cupertino, CA - April 14, 2000 - Trend Micro Inc. (Nasdaq:TMIC), a leading provider of Internet content security, today announced the availability of PC-cillin?2000, the latest version of Trend Micro's personal computer virus protection software, and the first antivirus solution to be certified for Microsoft Windows 2000 by VeriTest independent lab services. Compatible with the Windows 95/98, Windows NT and now the Windows 2000 operating system, PC-cillin 2000 has been enhanced to include real-time email virus scanning, manual-scan capabilities for personal folders, and incremental virus pattern updates.

PC-cillin 2000 provides users with a reliable and easily managed antivirus solution for Windows 2000. A 500-page certification checklist, developed by Microsoft and VeriTest, under which only applications meeting Windows 2000 specifications are certified, helps to ensure the seamless integration of product and operating system. Applications, like PC-cillin 2000, which have passed certification will require less administration, be easier to deploy and manage, and provide an overall consistent experience for the user. Additionally, users are able to benefit from self-repairing installations, smooth Windows upgrade paths, and roaming-enabled user settings. Microsoft encourages all their customers to look for products with the "Certified for Microsoft Windows" logo.

"We are pleased to announce that Trend Micro's PC-cillin 2000 has passed the stringent requirements of being Windows 2000 Certified," says John McVay, Microsoft Logo Programs Manager for VeriTest. "Along with Trend Micro's VirusBuster 2000 for the Japanese market, this is the first and only anti-virus application to be Certified for Windows."

PC-cillin 2000 users operating on Outlook Express 4.0, Eudora Pro 4.0, or any other POP3 mail client can take advantage of the real-time email virus scanning feature - now viruses can be detected and cleaned from incoming messages before they have a chance to infect the desktop. Users of Outlook 97, Outlook 98, and Outlook 2000 will have the additional ability to scan emails stored in their personal folders for viruses. Incremental virus pattern updates also aid in minimizing download time; only the newest virus patterns are added since the previous release.

Given the destructive nature and wide proliferation of recent email-borne viruses and Trojans, such as Chernobyl or Pretty Park, having the ability to scan for viruses and malicious code hidden within incoming mail messages is vital to maintaining the security of individual computers as well as the larger Internet community.

"With the extensive use of email and web access among PC users, the home computer has become part of a huge network - the Internet," said Eva Chen, chief technology officer at Trend Micro. "With that in mind, Trend Micro has applied some of the same antivirus technology to the desktop level that we have for our gateway and network protection software, in order to ensure a safe computing experience."

The PC-cillin 2000 desktop antivirus solution blocks all kinds of viruses -- malicious Java applets, Active X controls and web scripts -- that can be passed through web sites, emails, network servers, CD-ROMs or floppy disks. PC-cillin 2000 also features web site blocking options to prevent access to offensive web sites.

Pricing and Availability

Trend Micro's PC-cillin 2000 will be available for download for $29.95, or on CD-ROM for $39.95. Customers who have purchased PC-cillin 6 within 90 days of PC-cillin 2000's release date will be offered a free upgrade to PC-cillin 2000. Current PC-cillin 6 customers who made their purchase more than 90 days prior to the new release are able to upgrade to PC-cillin 2000 for $14.95. Customers with older versions of PC-cillin are recommended to purchase a full version of PC-cillin 2000. Downloads and upgrades will be available through http://www.pc-cillin.com after April 18, 2000. CD-ROM versions of PC-cillin 2000 will be available in mid-May. For additional information, please contact Trend Micro's customer service representatives at 1-800-228-5651 (in North America).

About PC-cillin

Trend Micro has incorporated Internet technologies available in its high-powered enterprise software into the latest version of PC-cillin to provide home users with an easy-to-use and affordable total security system for the Internet age. PC-cillin incorporates "MacroTrap?quot;, Trend Micro's patented rules-based technology that identifies macro viruses by their actions and "behavior." Macro viruses, like the infamous Melissa virus, are the most prevalent types of viruses circulating today (International Computer Security Association, 1999).

PC-cillin's automated operation couples with its simplified design to provide virus protection that is easy to use. The "Scan Manager" enables users to scan selected files on demand. Suspicious files can either be quarantined or sent directly to Trend's Virus Hospital for expert advice. In addition, PC-cillin features "WebTrap?quot; technology to block unwanted web sites and to protect against malicious code that can be unknowingly downloaded from the Internet. PC-cillin comes with one year of expert and free online help, service and support via Trend Micro's "Online Doctor" service and support center at www.antivirus.com.

PC-cillin has previously been honored by the editors of Windows Magazine, with its induction into the 1999 WinList of outstanding software products.

About Trend Micro

Trend Micro provides centrally controlled server-based virus protection and content-filtering products and services. By protecting information that flows through Internet gateways, email servers, and file servers, Trend Micro allows companies and managed service providers worldwide to stop viruses and other malicious code from a central point before they ever reach the desktop.

Trend Micro's corporate headquarters are located in Tokyo, Japan, with business units in North and South America, Europe, Asia, and Australia. Trend Micro's North American headquarters are located in Cupertino, CA. Trend Micro's products are sold directly and through a network of corporate, value-added resellers and managed service providers.

Evaluation copies of all of Trend Micro's products may be downloaded from its awarding winning web site, http://www.antivirus.com.

Notice Regarding Forward-Looking Statements This press release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Act of 1934, as amended. Such forward-looking statements include, but are not limited to, statements regarding the operational effectiveness of PC-cillin 2000, its compatibility with the Windows 2000 operating system, and the timing of availability of PC-cillin 2000. The risks and uncertainties involved in the forward-looking statements in this release include, but are not limited to, the effectiveness of PC-cillin 2000 in protecting against new computer viruses, delays in the introduction of downloads, upgrades and CD-ROM versions of PC-cillin 2000, and other risks indicated in the Risk Factors section of Trend Micro's prospectus dated October 18, 1999 relating to the offering of Trend Micro's shares in connection with the U.S. option program of Trend Micro's 1999 Incentive Plan. The prospectus is on file with the SEC. Actual results could differ materially. Trend Micro assumes no obligation to update this information.

PC-cillin and MacroTrap are trademarks of Trend Micro Inc. Other product and company names may be registered trademarks or trademarks of their respective owners.

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