TMWD Tumbleweed Communications Corp (MM)

Tumbleweed(R) Communications Corp. (NASDAQ:TMWD), a leading provider of email security, file transfer security, and identity validation software and appliances, announced today that Tumbleweed CTO John Thielens will join a select group of email security experts for a panel discussion on the future of email security at INBOX 2006. The event will take place on May 31st at the San Jose Marriott in San Jose, California. Now in its third year, INBOX is the only conference to focus entirely on email. INBOX is attended by email and security experts, IT leaders and marketing executives and more information can be found at http://www.inboxevent.com/2006. Mr. Thielens will participate in a panel discussion addressing the technologies, approaches and zero-hour antivirus solutions available to combat email threats at a holistic level. The panel, titled "Reclaiming the Email Experience: Holistic Threat Management Solutions for Now and the Future," will address various approaches to counter today's email security threats, while preparing for tomorrow's challenges. The discussion kicks off the conference's Email Security track focusing on Privacy, Policy and Compliance. Safe Harbor Statement Tumbleweed cautions that forward-looking statements contained in this press release are based on current plans and expectations as of the date of this press release, and that a number of factors could cause the actual results to differ materially from the guidance given at this time. These factors are described in the Safe Harbor statement below. 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 participation in INBOX 2006. 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 16, 2006. Tumbleweed assumes no obligation to update information contained in this press release. Although this release may remain available on Tumbleweed's website or elsewhere, its continued availability does not indicate that Tumbleweed is reaffirming or confirming any of the information contained herein. About INBOX INBOX is the only conference focused on the Internet's first and central application: email. From the producers of ISPCON, INBOX returns to San Jose, CA with a comprehensive, in-depth conference and vendor showcase focused on email. More than an employee/customer/partner communication tool, email is a vital mechanism in sales, support, marketing and ebusiness plans and systems with legal implications and requirements at state, national and international levels. The even was created for marketing directors, IT management, messaging managers, systems administrators, brand development staff, system engineers and email marketing professionals to discuss and debate best practices, products and cost-effective systems. More information may be found at: www.inboxevent.com/2006 About Tumbleweed Communications Corp. Tumbleweed provides security solutions for email protection, file transfers, and identity validation that allow organizations to safely conduct business over the Internet. Tumbleweed offers these solutions in three comprehensive product suites: MailGate(R), SecureTransport(TM), and Validation Authority(TM). MailGate provides protection against spam, viruses, and attacks, and enables policy-based message filtering, encryption, and routing. SecureTransport enables business to safely exchange large files and transactions without proprietary software. Validation Authority is the world-leading solution for determining the validity of digital certificates. Tumbleweed's enterprise and government customers include ABN Amro, Bank of America Securities, Catholic Healthcare West, JP Morgan Chase & Co., The Regence Group (Blue Cross/Blue Shield), St. Luke's Episcopal Healthcare System, the U.S. Food and Drug Administration, the U.S. Department of Defense, and all four branches of the U.S. Armed Forces. Tumbleweed was founded in 1993 and is headquartered in Redwood City, Calif. For additional information about Tumbleweed go to www.tumbleweed.com or call 650-216-2000. Tumbleweed, the Arrows logo, MailGate, SecureTransport and Validation Authority are either registered trademarks or trademarks of Tumbleweed Communications Corp. in the United States and/or other countries. All other trademarks are the property of their respective owners.