January 18 , 2000

Quality Systems Announces Preliminary FY 2000 Third Quarter Results
TUSTIN, Calif. — Quality Systems Inc. (NASDAQ:QSII - news) announced today the preliminary results for its third quarter ended Dec. 31, 1999.

The Company anticipates revenues will be between $8.7 million to $8.9 million. Earnings per share for the FY 2000 third quarter are expected to be between $0.06 to $0.08 per share. This compares to Dec. 31, 1998 third quarter revenues of $8.8 million and earnings per share of $0.06.

Quality Systems CEO Sheldon Razin said, ``During the quarter, we invested in marketing and in further developing our Internet strategy. We feel important progress was made, and the Company is moving aggressively with our Application Service Provider (ASP) model solutions and web-enabled applications. We're also developing new e-healthcare offerings to be announced in the coming weeks.''

This news release contains 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 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, 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 on the healthcare 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 as applied to the company as of the date hereof.