Cartesian to be acquired by TMNG Global

December 28, 2006 – TMNG Global (Nasdaq: TMNG), a leading provider of management consulting services to the global communications, media and entertainment industries, today announced that it has signed a definitive agreement to acquire the outstanding stock of Cartesian Limited (“Cartesian”). The transaction is expected to be closed in early January 2007. The total expected purchase price is approximately $4.9 million, plus approximately $2.4 million for excess working capital, making the total value of the transaction at closing approximately $7.3 million. Transaction terms call for additional consideration of up to approximately $7.8 million should Cartesian meet certain revenue and earnings objectives during the first four years following the closing of the transaction. The consideration is payable in British pounds. The current shareholders of Cartesian will continue to be employed by Cartesian following the closing date.

“By joining TMNG, we can offer our clients an expanded, compelling offering that is strengthened by TMNG’s best-in-class consulting capabilities. In addition, we will be able to leverage TMNG’s extensive relationships in the media, telecom and entertainment marketplace to bring our solutions to a new set of companies,” said Dr. Janos Sivo, Managing Director and co-founder of Cartesian. “We are looking forward to becoming part of a company with TMNG’s reputation and calibre.”

“This acquisition extends TMNG Global’s consulting expertise for the telecom, media and entertainment communities and adds a sustainable new element to our business model,” said Rich Nespola, Chairman and CEO of TMNG Global. “Cartesian brings a strong technology focus with its consulting operations, complementing our strength in business processes with true converged network expertise. Further, by adding the proprietary Ascertain software to our toolkit, TMNG can now take its clients from solutions to implementation. Cartesian’s well-respected products, services, technical expertise, and commitment to customer needs during the past 10 years will help TMNG expand its sales channel in both North America and Europe, and we look forward to welcoming the executive management, technical and delivery teams to TMNG Global.”

About TMNG Global

The Management Network Group, Inc. (Nasdaq: TMNG) is a leading provider of professional services to the converging communications industry and the financial services firms that support it. With more than 400 consultants worldwide, TMNG Global’s clients include communications service providers, entertainment, media and technology companies, and financial services firms. Founded in 1990, TMNG Global has provided strategic and management consulting, as well as managed services, to more than 1000 clients worldwide, including all the Fortune 500 telecommunications companies. The company is headquartered in Overland Park, Kansas, with offices in Berlin, Boston, Chicago, London, New York, Denver, Dallas, Shanghai and Washington, D.C. TMNG Global can be reached at 1.888.480. TMNG (8664) or online at www.tmng.com

For further information phone Cartesian on +44 (0)20 7643 5555 or email enquiries@cartesian.co.uk