Tumbleweed to Present at ROTH 20th Annual OC Growth Stock Conference

Tumbleweed® Communications Corp. (NASDAQ:TMWD), an industry leader in managed file transfer and email security, will be presenting at the ROTH 20th Annual Growth Stock Conference at the Ritz Carlton Laguna Niguel in Dana Point, California on Wednesday, February 20, 2008 at 11:00 a.m. PST. Tim Conley, Chief Financial Officer of Tumbleweed, will discuss the Company’s market positioning and growth strategies. A live audio webcast of the presentation will be broadcast at the following link: http://www.wsw.com/webcast/roth16/tmwd/. This link will also access a replay of the webcast approximately two hours after the presentation ends and will be available for the following 90 days. The webcast link and replay will also be made available on Tumbleweed’s website in the investor relations section of the site at: http://www.tumbleweed.com. Safe Harbor Statement Tumbleweed cautions that forward-looking statements contained in this press release are based on plans and expectations as of the date of the 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 could cause actual results to differ materially from those currently expected, particularly with respect to Tumbleweed's participation in the ROTH 20th Annual OC Growth Stock Conference, as well as the subject matter of Tumbleweed’s presentations at the conference. 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 14, 2007, Form 10-Q filed November 7, 2007, and such filings for the periods referred to above, to be filed subsequently. 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 Tumbleweed Tumbleweed Communications Corp. (NASDAQ:TMWD), an industry leader in managed file transfer and email security, provides enterprise-class solutions to organizations of all sizes. Tumbleweed's innovative products enable organizations to effectively manage and protect business-critical Internet communications, with capabilities that span secure file transfer, encryption, data loss prevention, and email security. Tumbleweed has more than 3,200 customers worldwide, including blue-chip companies across an array of industries such as Technology, Retail, Finance, Healthcare, Manufacturing, Consumer Packaged Goods, Telecom, Energy, and the U.S. Government. The world's most security conscious organizations rely upon Tumbleweed technology including Bank of America Securities, JP Morgan Chase & Co., the U.S. Food and Drug Administration, and the U.S. Department of Defense. Tumbleweed's award-winning products build on 14 years of R&D and 27 security patents in the U.S. alone -- many of which are licensed by other security vendors. More information can be found at www.tumbleweed.com. Tumbleweed is a registered trademark of Tumbleweed Communications Corp. in the United States and/or other countries. All other trademarks are the property of their respective owners.