NEWS RELEASE

Technical Communications Corporation                   December 14, 1998

100 Domino Drive                                                  For Immediate Release

Concord, MA 01742–2892                                     Contact: Peter Christiana, Investor Relations

(978) 287-5100                                                     Web Site: www.tccsecure.com

CONCORD, MA, December 14, 1998 – Technical Communications Corporation (NASDAQ:TCCO) today announced that its market for commercial telephone and facsimile security products, which had previously been sold internationally, has now expanded to become worldwide. TCC’s exclusive distribution agreement with General Dynamics Advanced Technology Systems (ATS) now includes the United States, Europe, and Canada, enabling TCC to sell and service General Dynamics ATS commercial security products in all countries. Included in this product family are the Model 4100 Secure Voice/Data System, Models 3700 and 3710 Secure Facsimile systems, and the Model 3600 Telephone Security System.

"This is a significant market expansion for TCC," said Carl H. Guild, Jr., TCC’s President and CEO. "We can now provide a single source of supply for multinational companies and other organizations that require a high level of security for their communications, both within their countries and internationally. We can also provide worldwide customer service and support, which is a valuable vendor capability for this group of customers."

General Dynamics ATS customers can continue to use the commercial (Type III) product hot line number, (800) 952 4082, for connection directly to the TCC Customer Service Desk. Customers outside the U.S. and Canada can contact TCC at (978) 287 5100 or by fax to (978) 371 1280.

Based in Concord, Massachusetts, Technical Communications Corporation’s products and services provide transmission security for mission-critical networks of governments and corporations around the world. With over 35 years’ experience, TCC is the trusted supplier where secure data transmission is a critical need.

Matters discussed in this news release, including any discussion of or impact, expressed or implied, on the Company’s anticipated operating results and future earnings, including statements about the Company’s ability to achieve long term growth and profitability, contain forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended. The Company’s operating results may differ significantly from the results indicated by such forward-looking statements. The Company’s operating results may be affected by many factors, including but not limited to, the fulfillment of customer orders, the Company’s ability to retain and motivate key technical, sales, marketing and manufacturing personnel, and the possibility of political instability in the Company’s foreign markets. These and other risks are detailed from time to time in the Company’s filings with the Securities And Exchange Commission, including Form 10-K for the fiscal year ended September 27, 1997 and Form 10-Q for the period ended June 27, 1998.

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