Quality Systems, Inc. ("QSI") and its wholly-owned subsidiary, MicroMed Healthcare Information Systems, Inc. ("MicroMed"), develop and provide computer-based practice management, medical records, and e-business applications for medical and dental group practices.
   

May 15, 2001

Quality Systems Inc. Announces Conference Call on Fourth-Quarter and Fiscal Year Results
 TUSTIN, Calif. — (BUSINESS WIRE) — May 15, 2001 — Quality Systems Inc. (Nasdaq: QSII - news) today announced that it will release financial results for its fourth quarter and fiscal year 2001 on Wednesday, May 23, 2001, at 8:30 a.m. EDT (5:30 a. m. PDT), followed by a conference call on the same day at 1 p.m. EDT (10:00 a.m. PDT).

To participate in the conference call, please dial the following number five to ten minutes prior to the scheduled conference call time: 800/769-2241. There is no pass code required for this call.

If you are unable to participate in the call at this time, a replay will be available on Wednesday, May 23 at 1 p.m. PDT, through Wednesday, May 30 at 1 p.m. PDT; call 800/642-1687 and enter the conference ID number 570898.

A transcript of the conference call will be made available on the QSII Web site at www.qsii.com.

Quality Systems Inc. and its MicroMed division are developers and providers of computer-based practice management, medical records and connectivity applications for medical and dental group practices. Visit www.qsii.com for additional information.

This news release may contain forward-looking statements, including those related to revenue and net income, that involve a number of risks and uncertainties. Among the important factors that could impact actual results are volume and timing of systems sales and installations; length of sales cycles and installation process; the possibility that the products will not achieve market acceptance; seasonal patterns of sales and customer buying behavior; the development by competitors of new or superior technologies; delays in product development; undetected errors or bugs in software; product liability; changing economic, political or regulatory influences in the health-care industry; changes in product-pricing policies; competitive pressures; possible regulation of the company's software by the U.S. Food and Drug Administration; general economic conditions; and the risk factors detailed from time to time in Quality Systems' periodic reports and registration statements filed with the Securities and Exchange Commission.