Press Release For immediate release DATA FELLOWS AND SONERA JOIN FORCES TO CREATE SECURE VPN SERVICES FOR THE NEXT MILLENIUM Espoo, Finland, December 1, 1998 -- Data Fellows, the leading global security solutions vendor, and Sonera, the leading Finnish telecommunications service provider, have announced a partnership to create next-generation Intranet and extranet services. The scope of the partnership is to develop a secure IP service platform by combining Sonera's leading-edge telecommunications services with Data Fellows' award-winning secure VPN and anti-virus products. "Security is not a simple issue. We see leading telecommunications service providers in a key position to help corporate customers reap the benefits of the Internet without the inherent risks," says Risto Siilasmaa, CEO of Data Fellows. "Over the years, Sonera has always paved the way with innovative telecommunications services. Well-managed strong security is the logical next step." "Our key challenges are the increasing demand for mobility and the increasing use of extranets between companies," says Jukka T Leinonen, Managing Director of Sonera Solutions. "Managed IP-based virtual private networks with a functioning Public Key Infrastructure (PKI) and strong security constitute the foundation for future corporate information systems. Data Fellows can provide us with standards-based, proven security with globally available strong encryption." The first products and services will be announced early next year. Data Fellows' groundbreaking F-Secure products provide a unique combination of globally available strong encryption, revolutionary anti-virus software and policy based management. Data Fellows products are relied on by the world's largest industrial corporations, best-known telecommunications companies and major airlines, several European governments, post offices and defence forces as well as several of the world's largest banks. Data Fellows was selected one of the Top 100 Technology companies in the world by Red Herring magazine in September 1998. Sonera Ltd is Finland's leading telecommunications company, with subsidiaries and associated companies in 14 countries. Internationally, Sonera is a forerunner in the rapidly growing field of mobile, data, and media communications. In 1997, Sonera's net sales amounted to FIM 8 billion, and operating profit was FIM 1.7 billion. The Group employs 8,200 people. For more information, please contact USA: Data Fellows Inc. Mr. Pirkka Palomaki, Product Manager Tel. +1 408 938 6700, fax +1 408 938 6701 E-mail: Pirkka.Palomaki@DataFellows.com Europe: Data Fellows Oy Mr. Jukka Kotovirta, Director, Service Provider Business Unit PL 24 FIN-02231 ESPOO Tel. +358 9 859 900, fax. +358 9 8599 0599 E-mail: Jukka.Kotovirta@DataFellows.com or visit our web site at http://www.DataFellows.com Sonera Solutions Ltd. Mr. Timo Korpela, Head of Product Development Tel. +358 2040 63296, fax. +358 2040 64652 E-mail: Timo.Korpela@sonera.net -- Marita.Nasman-Repo@DataFellows.com, World-Wide Web http://www.DataFellows.com