Regional Public Association Ruhr Offers AuthentiDate eBilling Signatur

    Business Editors

    SCHENECTADY, N.Y. & DUSSELDORF, Germany--(BUSINESS WIRE)--March 18, 2005--AuthentiDate International AG, a subsidiary of AuthentiDate Holding Corp., (NASDAQ:ADAT) announced today that RuhrCard GmbH, a subsidiary of the regional public association, Ruhr (RVR), is offering AuthentiDate's eBilling Signature solution as part of their service. RVR is one of the largest public associations in Germany covering the Ruhrgebiet section of the country. The AuthentiDate eBilling solution allows users to significantly save costs by enabling high-volume electronic signing of documents. This innovative offering also permits verification and archiving of these electronically signed documents.
    The new service offering was built within the scope of a strategic alliance formed in early 2004 between RVR, RuhrCard GmbH and AuthentiDate. AuthentiDate stated it will generate revenue from annual licenses and transaction fees. Additional financial terms were not disclosed.
    Beyond the current offering, RuhrCard GmbH plans to expand the service by using other AuthentiDate signature solutions enabling new offerings, such as centralized digital archiving services.
    The eBilling signature solution now in place enables businesses to send and receive electronic invoices centrally via the RuhrCard GmbH computer center. The electronic documents are automatically provided with qualified signatures by means of the AuthentiDate solution and can be authenticated by the recipient. This process results in substantial costs savings for participating companies and ensures input tax deductibility per section 14 of the German Sales Tax Law without an additional paper invoice.
    Senders of invoices can easily use the RuhrCard GmbH service through e-mail, and recipients can bundle their incoming invoices via RuhrCard GmbH, thus reducing their processing costs.
    In addition, the invoice recipient can also verify invoices manually. To do this, RuhrCard GmbH provides the web-based signature verification service www.signature-check.com from AuthentiDate. Verification is simple and can be performed from any workplace with Internet access, and no additional software is necessary.
    For companies planning to outsource all processes associated with electronic invoicing, RuhrCard GmbH also offers central archiving of signed and authenticated documents.
    "With AuthentiDate we have found a competent and internationally experienced partner for all aspects surrounding the topic of digital signatures," says Wolfgang Beckroge, Managing Director of RuhrCard GmbH, "so we can make use of solutions tried out in practice for various business processes, and all from one source."
    "We are very proud that one of the largest German public associations relies on our technology and selected AuthentiDate as their strategic partner," adds Jan C. Wendenburg, Chief Executive Officer of AuthentiDate International AG. "Large organizations like RVR require a one-stop-shop partner that can satisfy their current and future demands. AuthentiDate, with its unique solution portfolio and broad customer reference list, is ideally positioned to fulfill these complex requests within very predictable scenarios."

    About Regionalverband Ruhr and RuhrCard GmbH

    Founded in 1920 as the "Siedlungsverband Ruhrkohlenbezirk" association in the Ruhr coalfield region, RVR today still pursues the goal of continuously improving the economic power, infrastructure, environmental and living conditions in the region by collective action in an area covering 11 independent cities, 4 rural districts and more than 5 million inhabitants. Within its network of members and in collaboration with politics, industry, science and culture, RVR develops and promotes regional action.
    RVR is financed by charges to corporate members and subsidies from the EU, the German government and the federal state of North Rhine-Westphalia. Representatives from the city and district parliaments form the RVR Parliament. The RVR board is composed of the mayors and district governors together with the chairmen of the parties represented in the RVR Parliament.
    RuhrCard GmbH supports regional businesses and tourism in the Ruhr by the use of multifunctional smart-cards and the building of a signature card infrastructure. Linking up added-value services and the use of digital signatures promote the acceptance of smart-cards in digital networks and e-government applications. At the same time, transaction security is significantly improved and legally binding. A neutral organization accepted by all market players is being built up, which can also be a partner for small and medium-sized businesses in the Ruhr region, thus minimizing the access barriers in the constantly growing online market. A series of signature solutions is also offered as an ASP service. The collaboration between RVR and RuhrCard also guarantees data protection by separating personal data (RVR) and transaction data (RuhrCard GmbH).

    About AuthentiDate Holding Corp.

    AuthentiDate Holding Corp. (AHC) is a worldwide provider of content authentication technology, a growing sector of the security software market. The Company provides secure document management solutions, enterprise network security products and services, and enterprise workflow management solutions that incorporate its proprietary authentication technology. AuthentiDate's offerings include the United States Postal Service Electronic Postmark Service(R) (USPS EPM(R)), electronic signing solutions, electronic forms processing solutions, document imaging software, and professional services related to the above.
    This press release contains forward-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 forward-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 forward-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 forward-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.

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CONTACT: AuthentiDate Holding Corp., Schenectady Media: Richard Reichgut, 212-329-1115 rreichgut@authentidate.com or John A. Stiles & Associates, L.L.C. Investors: John A. Stiles, 314-994-0560

KEYWORD: NEW YORK GERMANY INTERNATIONAL EUROPE INDUSTRY KEYWORD: COMPUTERS/ELECTRONICS HUMAN RESOURCES BANKING SOFTWARE MARKETING AGREEMENTS SOURCE: AuthentiDate International AG

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