Horsham, Pa. – April 6, 2010 – NextGen Healthcare Information Systems, Inc., a wholly owned subsidiary of Quality Systems, Inc. (NASDAQ: QSII) and a leading provider of healthcare information systems and connectivity solutions, today announced an agreement with Mercy Health System (MHS) to deploy NextGen® EHR (Electronic Health Record) and NextGen sm Health Information Exchange (HIE). The largest Catholic healthcare system serving the Delaware Valley, MHS has been using NextGen Practice Management for nearly four years. Implementation of NextGen EHR began in 2009 at several pilot physician sites, and usability surveys conducted at the first pilot location returned positive results. Clinicians experienced the immediate benefits of standardization and clarity in their data, and increased charge capture in their practices.