EMSC announces pricing of public secondary offering by affiliates of Onex Corporation

Emergency Medical Services Corporation (NYSE: EMS) (“EMSC” or the “Company”) today announced that certain of its equity holders, primarily affiliates of Onex Corporation, have priced a public secondary offering of 8,000,000 shares (increased from 6,000,000) of class A common stock at $48.31 per share. The underwriters will have a 30-day option to purchase up to an additional 1,200,000 shares of class A common stock. The offering is expected to close on November 25, 2009, subject to customary closing conditions.

EMSC will not receive any proceeds from the offering. The shares are being offered primarily by affiliates of Onex Corporation (the “Onex Entities”). The Onex Entities’ shares represent approximately 35% of the Onex Entities’ equity interests in EMSC. After giving effect to this offering, the Onex Entities will own approximately 35% of the equity interests in EMSC and approximately 84% of the combined voting power, not including the impact of any exercise by the underwriters of the 30-day option to purchase additional shares of class A common stock. BofA Merrill Lynch, Goldman, Sachs & Co. and J.P. Morgan Securities Inc. are acting as joint bookrunners for the offering.