Melillo and Tumbleweed Partner to Offer Solutions for Secure Internet Communications

Leading Full-Service Systems Integrator is Newest Partner in Tumbleweed Channel Alliance Program

REDWOOD CITY, CA - May 1, 2002 - Melillo Consulting, a leading integrator providing security and privacy solutions, enterprise management, and storage area networking and Tumbleweed® Communications Corp. (Nasdaq:TMWD), a leading provider of solutions for managing secure communication and collaboration to enable the business Internet, announced today that Melillo Consulting has joined the Tumbleweed Channel Alliance Program. As a new Channel Partner, Melillo Consulting will offer its customers products from Tumbleweed's wide range of secure content management solutions.

"Tumbleweed's Secure Guardian Suite solutions will enhance our customers ability to communicate and do business securely via the Web," said Gary Melillo, vice president Business Development for Melillo Consulting. "The Tumbleweed product suite helps us extend our enterprise management offerings for security and privacy. This is critical, especially in regard to compliance with upcoming Federal regulations."

"We are pleased to be partnering with Melillo, who has had significant success with enterprise software sales," said Bill Bradford, vice president of Business Development at Tumbleweed Communications Corp. "Melillo consultants are committed to excellent customer service and technical expertise and together we can deliver the best software solutions to assist their customer base with their content security needs online."

As a Tumbleweed Channel Alliance partner, Melillo Consulting will offer customers Tumbleweed Secure Guardian, the policy-based security framework that offers solutions to both protect and extend the enterprise network, and allows companies to communicate securely with customers, partners and suppliers over the Internet.

About Melillo Consulting
Melillo Consulting (MJM) is a full-service integrator providing complete solutions in Enterprise Management, Storage Area Networking, Mission Critical Computing, eBusiness, and Enterprise Platform Sales. Our mission is to be the premier solution architect and integrator of proven and advanced information technologies, committed to technical excellence and customer satisfaction. For three years running, Melillo has been named to Deloitte & Touche's prestigious Fast 50 Program in N.J. Melillo sponsors regional seminars to educate customers on its solution categories, product lines and consulting expertise. For more information on upcoming seminars in your area, visit MJM's website at www.mjm.com/events.

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.