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.
   

June 16 , 2000

MicroMed Announces Agreement With drugstore.com
Successfully Completes RxML Certification Program

HORSHAM, Pa — MicroMed Healthcare Information Systems, a division of Quality Systems Inc. (Nasdaq:QSII - news) today announced an agreement with drugstore.com (Nasdaq:DSCM - news) and the successful completion of the drugstore.com RxML(TM) electronic prescribing certification process.

With drugstore.com's cooperation, MicroMed has developed the capability for NextGen EMR, MicroMed's electronic medical records system, to send electronic prescriptions securely to drugstore.com's online pharmacy directly from physicians' exam rooms.

Prescribed medications can then be dispensed by drugstore.com and delivered directly to patients. drugstore.com's RxML standard was developed to conform to the NCPDP's (National Council for Prescription Drug Programs) widely accepted SCRIPT standard using state-of-the-art XML technology.

"Drugstore.com is committed to working with MicroMed to streamline the electronic prescribing process, thereby reducing the potential for prescribing errors, increasing overall efficiencies, and helping physicians and their patients,'' said Marc Lilly, Director of Health Services for drugstore.com.

Drugstore.com(TM)is a leading on-line drugstore and information site offering health, beauty, wellness, personal care and pharmacy products. Quality Systems is a developer and provider of computer-based practice management and medical records systems for medical and dental group practices.

This news release contains forward-looking statements, including those related to revenue and net income, which involve a number of risks and uncertainties. Among the important factors that could cause actual results to differ materially from those indicated by such forward-looking statements 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.