Emergency Medical Services to Host Conference Call to Discuss Results for the First Quarter Ending March 31, 2008.

GREENWOOD VILLAGE, Colo. -- Emergency Medical Services Corporation (NYSE: EMS) today announced that it will provide an audio webcast of its conference call to discuss results for its first quarter ending March 31, 2008, on Tuesday, May 6, 2008. The Company's results for the first quarter ending March 31, 2008, will be released before the opening of markets on Tuesday, May 6, 2008.

The live broadcast of Emergency Medical Services' conference call will begin at 11:00 a.m. Eastern time on May 6, 2008. A 30-day on-line replay will be available approximately an hour following the conclusion of the live broadcast. A link to these events can be found under the Investor Relations section of the Company's website at www.emsc.net.

About Emergency Medical Services Corporation

Emergency Medical Services Corporation (EMSC) is a leading provider of emergency medical services in the United States. EMSC operates two business segments: American Medical Response, Inc. (AMR), the Company's healthcare transportation services segment, and EmCare Holdings, Inc. (EmCare), the Company's emergency department and hospital-based management services segment. AMR is the leading provider of ambulance services in the United States. EmCare is the nation's leading provider of outsourced emergency department staffing and related management services. In 2007, EMSC provided services to 10.6 million patients in over 2,000 communities nationwide. EMSC is headquartered in Greenwood Village, Colorado. To learn more, visit www.emsc.net.