Tumbleweed Continues Asia Pacific Expansion with New Channel Partner for Australia

Priority 1 Solutions appointed to incorporate Tumbleweed security offerings into private organizations and government agencies throughout Australia

Sydney, Aust. – September 21, 2007 – Tumbleweed® Communications Corp. (NASDAQ: TMWD), an industry leader in content security and managed file transfer, today announced  continued expansion in its Tumbleweed Alliance Program (TAP) in the Asia Pacific region with the signing of an additional premier reseller for its Australian territory. Priority 1 Solutions has joined Tumbleweed’s premier partner program to help meet the demand across private sector and government organisations for innovative, reliable and easy-to-use messaging security solutions.

The announcement further reinforces the company’s momentum in the region and is an extension of the company’s channel partner program, TAP. Launched in July 2007, TAP enables qualified security resellers to sell Tumbleweed’s email security, file transfer security and identity validation products while providing favorable margins and a variety of customer-facing marketing programs. 

"We are really pleased to be joining the Tumbleweed Alliance Program," said Marc Jolly, Priority 1 Solutions' Managing Director.  "The Tumbleweed offering has already been very well accepted by a range of private organisations and government departments in Australia. We design and develop security solutions for our client based on their requirements and the Tumbleweed offering will enable us to implement a comprehensive security solution quickly and with a minimum of fuss – something that most IT departments welcome."

For Tumbleweed’s Regional Vice President Asia Pacific and Japan, Stree Naidu, the addition of Priority 1 signals the continuing success of the regional TAP concept.

“It is a strong endorsement of our recently launched channel program.  This further underscores the demand among Australian organisations and government agencies to integrate security into their everyday business operations and transactions.  With the Tumbleweed focus on managing, protecting and extending internet communications for many of today’s enterprises, the appointment of another sales partner will continue to drive our growth in the region.”

Tumbleweed Alliance Program
Tumbleweed has attracted top-tier resellers with a channel program that is innovative and distinguished from the rest. Featuring unmatched program benefits and product margins, Tumbleweed tapped its premier partner advisory committee to ensure that TAP is one the most channel-friendly programs. The TAP benefits include:

• Ease of adoption – Complete onboarding program with tools and training designed to drive immediate success
• Favorable margins – Strong revenue potential across all product lines and professional services
• Outstanding growth opportunity – Distinguished product lines offer growth opportunities for national and regional channels and those with niche traction in verticals such as retail, technology, manufacturing, insurance, and energy
• Strength and stability – An established leader in messaging security, Tumbleweed has made sizeable channel investments, which will only continue to grow
• Innovative programs – That help partners nurture and protect customer deals

More information about the Tumbleweed Alliance Program qualifications and details can be found at the Tumbleweed Web site at www.tumbleweed.com/partners/index.html.

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 involve risks and uncertainties that could cause actual results to differ materially from those projected, particularly with respect to the continued participation of Priority 1 Solutions in Tumbleweed’s Alliance Program, as well as the impact of Priority 1 Solutions on the growth of Tumbleweed’s customer base. 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 and Form 10-Q filed August 7, 2007.

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), the industry’s leading pure play messaging security vendor, provides world-class innovative messaging security solutions for organisations of all sizes.  Organisations rely on Tumbleweed's solutions to securely manage their Internet communications, spanning email management to file transfers. Tumbleweed has over 2,900 customers worldwide, representing industries such as Finance, Healthcare, 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. Our award-winning products build on fourteen 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.

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