The company has offices in the United States and Germany.

For more information, visit the company's website at www.authentidate.com

About Chicago VNA, Inc. and U.S. Home Health Care, Inc.

Chicago VNA is a home health and skilled nursing care division of U.S. Home Health Care, Inc. U.S. Home Health Care, Inc. is committed to delivering quality, patient-oriented health care services in a cost-effective manner. The hallmarks of our care philosophy are efficiency, dignity and respect. We have established rigorous standards to ensure that we meet the physical, spiritual, social, emotional and intellectual needs of our home health care customers. With well-established programs in the areas of nursing, personal support and rehabilitation, our multidisciplinary team of care providers delivers a broad range of holistic health services and supports. Our goal is to be the provider of choice in every community we serve. We measure our success by our ability to give exceptional care and service to the patients we serve.

The Company is headquartered in Chicago, Illinois.

For more information, visit the company's website at www.usvna.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, 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 and Inscrybe are registered trademarks of Authentidate Holding Corp. All other trade names are the property of their respective owners.
CONTACT: For: Authentidate Holding Corp.         Investor Contacts:         Robert Schatz         Wolfe Axelrod Weinberger Assoc. LLC         (212) 370-4500; (212) 370-4505 fax