SMBI Symbion (MM)

Symbion, Inc. (NASDAQ: SMBI), an owner and operator of short stay surgical facilities, announced today that Kenneth C. Mitchell, senior vice president and chief financial officer, will present at the Lehman Brothers Tenth Annual Global Healthcare Conference to be held March 19 - 21, 2007, in Miami, Florida. A live broadcast of its conference presentation will be available on Wednesday, March 21, 2007, beginning at 8:00 a.m. Eastern Time. To access the broadcast, listeners should go to the Company�s website, www.symbion.com, approximately 15 minutes prior to the event to register and download any necessary software, Microsoft Media Player or RealPlayer. For those unable to listen to the live broadcast, a replay will be available for 30 days on the Company�s website. Symbion, Inc., headquartered in Nashville, Tennessee, owns and operates a network of 59 short stay surgical facilities in 23 states. The Company�s facilities provide non-emergency surgical procedures across many specialties.