Authentidate International AG, a wholly-owned subsidiary of Authentidate Holding Corp. (Nasdaq: ADAT), has named former top executives from Deutsche Telekom AG and Secunet Security Networks AG to its Board of Directors.

At Authentidate International AG’s general shareholder meeting, Dr. Hagen Hultzsch, a former member of the executive board of Deutsche Telekom AG, and Mr. W1II1 Mannheims, the former chairman and Chief Executive Officer of Secunet Security Networks AG, one of Germany’s leading security consulting companies, were elected as non executive directors of Authentidate International AG.

In his career, Dr. Hultzsch has been responsible for information technology and telecommunications at several leading companies including Volkswagen, EDS and Deutsche Telekom. Since departing Deutsche Telekom, Dr. Hultzsch provides advisory services for selected companies in Europe and the United States.

During his career, Mr. Mannheims (42), has been responsible for creating new initiatives and divisions at Daimler-Benz (now known as DaimlerChrysler) and CUBIS AG (now known as RWTUEV AG). In 1999, as the Chairman and Chief Executive Officer of Secunet Security Networks AG, one of the leading security consultant companies in Germany, he took the company public on the Neuer Markt (or New Market) a German stock exchange now known as Tec-Dax. After leaving Secunet, he served as the Chief Executive Officer of Eracom Technologies AG, where he oversaw the successful reorganization of the company. Currently, Mr. Mannheims serves as the chairman and Chief Executive Officer of GITS AG, one of the leading technology networking concerns in Germany.

Commenting on the new board members, Jan C. Wendenburg, President and CEO of Authentidate International AG said, "We are happy to be able to add two highly qualified executives to our board of directors. Everyone at Authentidate is excited about having access to the advice and expertise of Dr. Hagen Hultzsch and Mr. Willi Mannheims. They have clearly demonstrated strong leadership in their professional careers and we believe their knowledge and expertise will be of great benefit to Authentidate."

About Authentidate International AG
Authentidate International AG (www.authentidate.de), Düsseldorf, Germany is the first Accredited Certification Provider, certified by the German Regulatory Authority for Telecommunications and Posts (RegTP), focusing legal binding timestamps compliant to the strong German electronic signature laws and European signature directives. Thus, the time signatures supplied by Authentidate International AG for any electronic data provide the highest level of protection recognized by law in the form of qualified digital signatures. Authentidate is also the first accredited vendor focusing business process solutions, based on electronic signatures and time stamping technology. Authentidate’s Business Solutions feature short ROI (return of investment) cycles, simple integration, low operating expense and ease of use. The unique design enables most customers for the first time receiving substantial profit contributions from signature and time stamping technologies.

The Authentidate Group has a worldwide presence; in Europe, the USA and through partners in Asia. Authentidate Holding Corp, Inc. located in the USA (New York) is listed on the NASDAQ stock exchange (ADAT) and in Germany (WKN 893715).

About Authentidate Holding Corp.
Authentidate Holding Corp. (AHC) is the holding company of five business units: DocSTAR, Authentidate International AG, Authentidate, Inc., DJS Marketing Group/Computer Professionals International and Trac Medical Solutions, Inc. Authentidate and Authentidate AG provide the authentication of digital data through its proprietary and patent pending technology. Authentidate is establishing itself as the authority on "content security," a growing sector of the electronic network security infrastructure market Trac Medical uses the Authentidate service to improve speed, accuracy and security in processing medical forms. These three business units comprise the Authentidate Segment for financial reporting purposes. DocSTAR sells a complete line of document imaging products and DJS delivers professional services centered on systems integration proiects, staff augmentation, out-tasking and outsourcing services, and resells computer related products.

This press release contains fo,ward-looking statements within the meaning of section 27A of the Securities Act of 1933 and section 21E of the Securities Act of 1934. When used in this release, the words "believe," "anticipate," "think," "intend," "plan," "will be," "expect," and similar expressions identify such foiward-looking statements. Such statements regarding future events and/or the future financial performance of The Company are subject to certain risks and uncertainties, which could cause actual events or the actual future results of the Company to differ materially from any fo,ward-looking statement. Such risks and uncertainties include, among other things, the availability of any needed financing, the Company's ability to implement its business plan for various applications of its technologies, the impact of competition, the management of growth, and the other risks and uncertainties that may be detailed from time to time in the Company's reports filed with the Securities and Exchange Commission. In light of the significant risks and uncertainties inherent in the fo,ward-looking statements included herein, the inclusion of such statements should not be regarded as a representation by the Company or any other person that the objectives and plans of the Company will be achieved.