New Tumbleweed Office in Stockholm to Serve Growing Nordic Market for Secure Business Communications

REDWOOD CITY, CA - March 15, 2000 - Tumbleweed® Communications Corp. (Nasdaq:TMWD), a leading provider of Internet communications services, today announced that it has opened an office in Stockholm to serve the Nordic and Baltic countries for secure business communications.

"With its Web-centric business culture, the market is ripe in Sweden and the Nordic and Baltic regions for Tumbleweed's IME and WorldSecure solutions, and our new office in Stockholm is ideally located to satisfy this demand," said Jeffrey C. Smith, president and CEO of Tumbleweed Communications Corp. "We expect that the new office will participate in Tumbleweed's momentum in Europe, which has exceeded our expectations to date."

The Tumbleweed office in Stockholm will be headed by Lennart Gren, who has 18 years of experience in the software industry at companies such as Netscape, VeriSign and Lotus. The Swedish office joins a growing list of Tumbleweed offices in Europe, including the UK, France, Germany and The Netherlands. In total, Tumbleweed now has more than 45 sales and support people in Europe.

Tumbleweed Communications AB's address is Kanalvagen 12, 9tr, 194 61 Upplands-Vasby, Sweden. The telephone number is +46-8-509 14301 and fax number is +46-8-590 04110.

About Tumbleweed Communications Corp.
Tumbleweed is a leading provider of solutions for managing secure communication and collaboration to enable the business Internet. Tumbleweed's robust policy-based framework empowers organizations to safely share and protect critical information, increase customer loyalty and privacy and dramatically reduce costs. Tumbleweed is trusted by 1,000 blue-chip customers including American Express, Chevron, Datek Online, the European Union's Joint Research Council, First Union Wachovia, John Deere, Merrill Lynch, Nike, Northern Trust, NTT, Salomon Smith Barney, Travelers and US Food and Drug Administration. One hundred of the Fortune 500 are Tumbleweed customers. Tumbleweed Communications was founded in 1993 and is headquartered in Redwood City, Calif., with offices around the world.

Except for the historical information contained herein, the matters discussed in this press release may constitute forward-looking statements that involve risks and uncertainties that could cause actual results to differ materially from those projected, particularly with respect to the security features of Tumbleweed's products and the activities of any third party. In some cases, forward-looking statements can be identified by terminology such as "may," "will," "should," "potential," "continue," "expects," "anticipates," "intends," "plans," "believes," "estimates," and similar expressions. For further cautions about the risks of investing in Tumbleweed, we refer you to the documents Tumbleweed files from time to time with the Securities and Exchange Commission, particularly Tumbleweed's Form 10-K filed March 30, 2001 and Form 10-Q filed November 13, 2001. Tumbleweed assumes no obligation to update information contained in this press release.