Tumbleweed CEO Participating in Senate Republican Task Force Panel on Cybersecurity

REDWOOD CITY, CA - November 8, 2001 - Tumbleweed® Communications Corp. (Nasdaq:TMWD), a leading provider of secure content management solutions for enabling the business Internet, today announced that Jeff Smith, Chairman & CEO will be presenting at the Senate Republican High Tech Task Force Members Technology Meeting, along with other leaders in the technology industry. The panel is being held today at 2:00 PM Eastern time in Washington, DC.

The meeting topic is "Cybersecurity: Protection of computers and communications, and other critical infrastructures vulnerable to cyber-attacks." Participating senators include: Senators George Allen (R-VA), Wayne Allard (R-CO), Robert Bennett (R-UT), Sam Brownback (R-KS), Gordon Smith (R-OR), and Conrad Burns (R-MT).

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, JP Morgan Chase & Co., Chevron, Datek Online, the European Union's Joint Research Council, US Food and Drug Administration, John Deere, Merrill Lynch, Nike, Northern Trust, NTT, Salomon Smith Barney, Travelers, United Parcel Service, and seven of the world's largest postal services. Eight of the Fortune 10 and 100 of the Fortune 500 are Tumbleweed customers. Tumbleweed Communications was founded in 1993 and is headquartered in Redwood City, CA 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.