Castelle to Host Fax Server Seminar in New York City, November 30th

Business Wire, Nov 28, 2006

MORGAN HILL, Calif. -- Castelle[R] (Nasdaq:CSTL), a leader in 'all-in-one' network fax solutions for the business and enterprise markets, today announced that it will be hosting a seminar in New York City on Thursday, November 30, 2006 to discuss the benefits of implementing a network fax server. The seminar is free and will include a demonstration of the Company's new FaxPress Plus[TM] 4.1 software for enterprise faxing.

"Castelle has been hosting fax server seminars throughout the country on a quarterly basis since 2003," said Scott McDonald, President and CEO of Castelle. "Thursday's seminar in New York City is another great opportunity for us to meet with customers and resellers, and educate new users on the benefits of Castelle's network fax products. We will be presenting our full line of network fax servers, which ranges from a single line, entry level fax server for small businesses and workgroups, up to a 72-channel T1 redundant fax server for enterprise applications. Castelle has been in the fax server industry for almost 20 years, and continues to focus on helping businesses operate more efficiently with an all-in-one fax solution."

Castelle's Fax Server Seminar will take place from 10:00 a.m. to 11:00 a.m. on Thursday, November 30th, at The Hotel Pennsylvania in New York City. For information on attending, please contact Karin Reak at (800) 289-7555 ext. 8034 or register online at www.castelle.com/newyork.> About Castelle

Castelle (Nasdaq:CSTL), a market leader in 'all-in-one' network fax solutions for business and enterprise, offers organizations every possible network fax option: desktop faxing, production faxing, fax and email integration, workflow application integration, and tools for developing custom fax applications. FaxPress[TM], FaxPress Premier[TM] and FaxPress Enterprise[TM] network fax servers include the FaxPress or FaxPress Plus[TM] software suite that enables administrators and users to perform functions such as managing fax queues, creating reports, and viewing fax archives.

Castelle products are designed to be easy to use and maintain, and provide an economical way for companies to share resources over the network. Castelle was founded in 1987 and is headquartered in Morgan Hill, California. Its products are available through a worldwide network of distributors, resellers, and online retailers. Visit Castelle online at www.castelle.com.

FaxPress[TM], FaxPress Premier[TM], FaxPress Enterprise[TM] and FaxPress Plus[TM] are trademarks of Castelle.

If you would like to be added to Castelle's investor email list, please contact Karin Reak at kreak@castelle.com.

Forward-Looking Statements

This press release may contain forward-looking statements. These statements are subject to risks and uncertainties. Investors are referred to the full discussion of risks and uncertainties associated with forward-looking statements as contained in our reports to the Securities and Exchange Commission, including our Forms 10-Q and 10-K. The Company assumes no obligation to update the forward-looking information.