Press Release For immediate release Data Fellows Strengthens Its Position as Leading Data Security Vendor in Europe TSP and Its Worldwide Partner Network Joins Data Fellows Helsinki, Finland, October 2, 1998 - Data Fellows, the developer of the ground-breaking F-Secure Anti-Virus and Cryptography product family, and the Dutch company TSP - The Security Provider have signed a cooperation and distribution agreement. TSP, whose owners were behind ThunderByte anti-virus toolkit, currently has over 40 distributors and 12 million ThunderByte users world-wide. TSP specializes in security consultancy and marketing of information security products. According to the announced cooperation agreement, TSP will concentrate on selling Data Fellows products in the Netherlands, and its international operations and distribution network will be taken over by Data Fellows and its partners. "The addition of TSP to our list of partners will be yet another step toward our goal of being among the top data security providers in the world." says Risto Siilasmaa, President and CEO of Data Fellows. "Together with Data Fellows complete line of data security products, TSPs network of distributors around the world is going to make a valuable contribution to our existing world wide partner network that already covers over 80 countries." Says Harald Zeeman of TSP, "The anti-virus market structures are changing. The customers today demand overall data security solutions instead of point applications. Therefore it is important for a small company like ours to form alliances and thereby to remain viable. The future belongs to those who have the broadest expertise and service to its customers. "With this alliance we are able to serve our existing customer base by offering them migration not only to the award-winning F-Secure Anti-Virus product range but above all to the F-Secure Workstation Suite which Data Fellows recently announced." TSP was founded in 1998 after Norman Data Defense Systems B.V. took over the development of the ThunderByte scanning engine. About Data Fellows Data Fellows is one of the worlds leading developers of data security products. The Company develops, markets and supports anti-virus, data security and cryptography software products for corporate computer networks. It has offices in San Jose, California, and Espoo, Finland, with corporate partners, VARs and other distributors in over 80 countries around the world. All F-Secure products are integrated into the CounterSign management architecture, which provides a three-tier, scaleable, policy-based management infrastructure to minimize the costs of security management. F-Secure Workstation Suite consists of malicious code detection and removal, unobtrusive file and network encryption, and personal firewall functionality, all integrated into a policy-based management architecture. F-Secure Anti-Virus, with multiple scanning engines (including F-PROT and AVP), is the most comprehensive, real-time virus scanning and protection system for all Windows platforms. F-Secure VPN+ provides a software-based, IPSEC-compliant Virtual Private Network solution for large corporate networks as well as remote and small office networks. F-Secure FileCrypto is the first and only product to integrate strong real-time encryption directly into the Windows file system. F-Secure SSH provides secure remote login, terminal, and other connections over unsecured networks. It is the most widely used secure remote administration tool. F-Secure NameSurfer is the solution for remote Internet and Intranet DNS administration. Its easy-to-use WWW user interface automates and simplifies DNS administration. The Company has customers in more than 100 countries, including many of the worlds largest industrial corporations and best-known telecommunications companies, major international airlines, European governments, post offices and defense forces, and several of the worlds largest banks. The Company was named one of the Top 100 Technology companies in the world by Red Herring magazine in its September 1998 issue. Other commendations include Hot Product of the Year 1997 (Data Communications Magazine); Best Anti-Virus product (SVM Magazine, May 1997); Editors Choice (SECURE Computing Magazine); and the 1996 European Information Technology Prize. For more information, please contact: USA: Data Fellows Inc. Mr. Petri Laakkonen, President Tel. +1 408 938 6700, fax +1 408 938 6701 E-mail: Petri.Laakkonen@DataFellows.com Europe: Data Fellows Oy Mr. Jari Holmborg, VP, Sales and Marketing PL 24 FIN-02231 ESPOO Tel. +358 9 859 900, fax. +358 9 8599 0599 E-mail: Jari.Holmborg@DataFellows.com or visit our web site at http://www.DataFellows.com -- Marita.Nasman-Repo@DataFellows.com, World-Wide Web http://www.DataFellows.com