SMBI Symbion (MM)

Symbion, Inc. (NASDAQ:SMBI), an owner and operator of short stay surgery facilities, announced today that Kenneth C. Mitchell, Symbion's senior vice president and chief financial officer, will present at the Thomas Weisel Partners Healthcare Conference to be held September 6 - 8, 2006, in Boston, Massachusetts. A live broadcast of its conference presentation will be available on Friday, September 8, 2006, beginning at 8:35 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 62 short stay surgery centers in 23 states. The Company's centers provide non-emergency surgical procedures across many specialties.