Lufthansa Revenue Services GmbH Enters Strategic Alliance with Authentidate

DUSSELDORF, Germany
Sept. 20, 2007

Lufthansa Revenue Services GmbH, one of the largest archiving service providers in Germany, is expanding its range of services to include technologies and services of electronic signature specialist, Authentidate Deutschland GmbH a subsidiary of Authentidate International AG.

The strategic alliance with Authentidate gives customers of Lufthansa Revenue Services' Data Storage+ solutions, the opportunity to protect electronic documents with electronic signatures and time stamps compliant with the strict standards of the German Signature Law and EU Signature Directive.

Dagmar Strobel, the General Manager of Marketing & Sales at Lufthansa Revenue Services GmbH says, "We are delighted to have found an internationally experienced alliance in the signature sector in Authentidate that can provide us with a broad range of legally-compliant signature technologies, which have been repeatedly tried and tested. With the internationally proven technologies of Authentidate we can offer our customers innovative storage solutions that increase competitiveness and optimize processes."

Files in Data Storage+ can be frozen electronically in a legally binding manner with qualified time stamps from the Authentidate Trust Center. The Authentidate Trust Center was accredited by the Federal Network Agency and complies with the highest legal security standards.

There are approximately 650 million documents (approx. 38 terabytes) in the Data Storage+ archive stock at present. More than 600 users worldwide access this data stock online day and night. Lufthansa Revenue Services GmbH can guarantee access to any document in its database within just one second.

Applications for the new Data Storage+ functions include electronic invoices in accordance with Sales Tax Law, legally binding documentation, insurance policies, contracts, electronic patient records, expert reports and physician's letters.  This solution will be especially beneficial for users who want to archive and verify signatures on high volumes of previously signed data.

For more information on Lufthansa Revenue Services GmbH's Data Storage+ offering, contact Christian Post at Lufthansa Revenue Services GmbH (www.accounting-solutions-plus.com).

About Lufthansa Revenue Services
Lufthansa Revenue Services GmbH (LRS) is the Revenue Accounting Competence Centre of Lufthansa German Airlines. In addition, Lufthansa Revenue Services GmbH is a service partner for Condor Flugdienst GmbH, Swiss International Air Lines and Cargo Counts GmbH in the Revenue Accounting and electronic archiving of many different kinds of mass data.

The Revenue Accounting of any airline is the basis for the evaluation and presentation of its revenue in accounting and balance. Further it is responsible for the invoicing of operating services for other airlines and the provision of relevant management information about the airline's performance and about other important passenger flight data.

The company has 50 years know-how and experience in revenue accounting service production, application software development and the utilisation of state-of-the-art technology. The IT solutions of Lufthansa Revenue Services GmbH allow for the highly automated processing, supplying and archiving of complex mass data that is subject to all statutory and contractual requirements.

The aim of LRS is to generate maximum possible added value for its clients through competent Revenue Accounting. Therefore the company focuses on high quality service production, permanent innovation of the clients´ processes and strict cost management and relies on the experience, know-how and engagement of its employees.

About Authentidate International AG
Authentidate International AG in Düsseldorf, Germany, develops and provides independent business-process solutions enabling customers to simply and quickly integrate digital signatures and time stamps into existing corporate processes. The unique set of solutions can be used for almost any business process (i.e. billing, workflow, archiving, scanning and e-mail communication) to significantly reduce costs and optimize processing immediately.

About Authentidate Holding Corp.
Authentidate Holding Corp. is a worldwide provider of software and web-based services that enable enterprises and individuals to exchange information securely and conduct trusted business transactions.  Our offerings are targeted at enterprises and office professionals, and incorporate security technologies such as electronic signing, identity management, and content authentication to electronically facilitate secure and trusted transactions. In the United States, we also offer our proprietary and patent pending content authentication technology as a web-based service in the form of the United States Postal Service® Electronic Postmark®.

The company operates its business in the United States and Germany.  For more information, visit the company's website at http://www.authentidate.com .

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, related decisions by the USPS, 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.

Authentidate is a registered trademark of Authentidate Holding Corp. All other trademarks are the property of their respective owners.