DiaSys Corporation Names Gregory Witchel President.

Business Editors/Health/Medical Writers

WATERBURY, Conn.--(BUSINESS WIRE)--April 7, 2003

On April 3, 2003, DiaSys Corporation (AMEX:DYX), a global healthcare company, held its annual meeting of shareholders.

At the meeting, the Company's shareholders elected six directors, namely: Sherwin Gilbert, Kenneth Grossman, Morris Silverman, Robert Wigoda, Marshall Witzel and Gregory Witchel, and ratified the appointment of Deloitte & Touche, LLP as the Company's independent auditors for the fiscal year ending June 30, 2003. Mr. Silverman will act as Chairman of the Board. In addition, the Company's Board of Directors named Gregory Witchel as President. Marshall Witzel remains as CEO of the Company.

In making the announcement that Mr. Witchel has been named as the Company's President, Mr. Witzel stated that, "DiaSys now has a seasoned administrator to run the global business of the Company." Mr. Witchel has served as President of Scharff, Witchel & Co., a New York corporation finance firm. He has an MBA from the Baruch Graduate School of Business and Finance in New York.

Mr. Witchel also brings to DiaSys more than 17 years experience dealing with the international community.

He will maintain contact with research analysts, portfolio managers, brokers, and the financial community.

DiaSys Corporation designs, develops, manufactures and distributes proprietary medical laboratory equipment, consumables and test kits to healthcare laboratories worldwide. Headquartered in Waterbury, CT, the Company operates in Europe through its wholly owned subsidiary based in Wokingham, England and in Pacific Asia through its strategic business partner located in Guangzhou, China.

This press release contains forward-looking statements within the meaning of, and made pursuant to, the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. The forward looking statements involve known and unknown risks, uncertainties and other factors which may cause the actual results, performance or achievements of the Company or events, or timing of events, relating to the Company to materially differ from those expressed or implied by such forward looking statements. DiaSys refers interested parties to its most recent Annual Report on Form 10-KSB and other SEC filings for a complete description of, and discussions about, the Company.