Tumbleweed Chief Architect Presenting at RSA Conference

REDWOOD CITY, CA - February 12, 2002 - Tumbleweed® Communications Corp. (Nasdaq:TMWD), a leading provider of secure content management solutions for enabling the business Internet, today announced that Randy Shoup, Tumbleweed Fellow and Chief Architect, will be presenting at the RSA Conference 2002 on Tuesday, February 19. The presentation is being held at 2:00 PM Pacific time at the McEnery Convention Center in San Jose, California.

The presentation topic will be "Secure Public Network Building: Secure Enterprise Interconnectivity for e- Business." Shoup will provide an educational tutorial and discussion on a solution that extends security policies to email and Web communications while allowing centralized management of email without changing existing infrastructure.

About Tumbleweed
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 Tumbleweed's customers, products, and future offerings. 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, 2002 and Form 10-Q filed May 14, 2002. Tumbleweed assumes no obligation to update information contained in this press release.