Pharma-Bio Serv, Inc. Co-Sponsors March 27, 2007 Event "First Summit: Doing Business in Puerto Rico"

Pharma-Bio Serv, Inc. (OTCBB: PBSV), Puerto Rico's leading pharmaceutical validation and compliance consulting service firm, announced that it will be co-sponsoring an event at the Waldorf = Astoria Hotel in New York City titled: "First Summit: Doing Business in Puerto Rico." The event will be held on March 27, 2007 and will demonstrate to local business leaders, analysts, and public and private investors the advantages of doing business in Puerto Rico.

Elizabeth Plaza, Chairman and CEO of Pharma-Bio Serv, Inc., said, "We are honored to be able to co-sponsor an event that helps bring Puerto Rican-based companies to the forefront of the investor and business community. With Puerto Rico being one of the largest providers of pharmaceutical services and products, we are pleased to be able to demonstrate to the larger community the value that Pharma-Bio Serv, Inc. provides to these companies."

Among the main event speakers and presenters at this day-long event will be the Governor of Puerto Rico, the Secretary of Economic Development of Puerto Rico, Chairman of the Board of the Government Development Bank of Puerto Rico, President of Pfizer Global Manufacturing, and the Senior Vice President of Manufacturing at Amgen.

About Pharma-Bio Serv, Inc.

Pharma-Bio Serv, Inc. operates as a validation and compliance consulting service firm. The company assists its clients in complying with government regulations by offering a range of consulting services in the areas relating to compliance with the regulations of Food and Drug Administration, as well as matters relating to providing compliance support for new facilities start up and the introduction of new pharmaceutical products into manufacturing, technology transfer, commissioning, qualification and validation, regulatory compliance and support for filing to regulatory agencies, project management, laboratory, engineering, technical documentation and training services. The company offers its services to pharmaceutical, chemical, biotechnology, and medical devices and allied products companies in Puerto Rico, the United States, and Europe. The company was founded in 1993 and is based in Dorado, Puerto Rico. For more information, please visit the Company's web site at www.pharmaservpr.com .

"Safe Harbor" Statement under the Private Securities Litigation Reform Act of 1995: With the exception of historical information, the statements set forth above include forward-looking statements that involve risk and uncertainties. The Company wishes to caution readers that a number of important factors could cause actual results to differ materially from those in the forward-looking statements. Those factors include, but are not limited to, the risk factors noted in the Company's filings with the United States Securities and Exchange Commission, such as the rapidly changing nature of technology, evolving industry standards and frequent introductions of new products, services and enhancements by competitors; the competitive nature of the markets for the Company's products and services; the Company's ability to gain market acceptance for its products and services; the Company's ability to fund its operational growth; the Company's ability to attract and retain skilled personnel; the Company's ability to diversify its revenue streams and customer concentrations; and the Company's reliance on third-party suppliers.

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