SYMBION, INC. ANNOUNCES FIRST QUARTER 2009 CONFERENCE CALL

Nashville, Tennessee (May 12, 2009) — Symbion, Inc., an owner and operator of short stay surgical facilities, announced today that it will provide an online Web simulcast of its first quarter 2009 earnings conference call on Friday, May 15, 2009. The Company will file a Quarterly Report on Form 10-Q for the three months ended March 31, 2009, prior to the call, a copy of which will be available through the Investor tab of the Company’s website at www.symbion.com.

The live broadcast of Symbion’s conference call is scheduled to begin at 11:00 a.m. Eastern Time on Friday, May 15, 2009. An online replay will be available for 30 days beginning approximately an hour following the conclusion of the live broadcast. A link to these events can be found on the Company’s website at www.symbion.com or at www.earnings.com.

Symbion, Inc., headquartered in Nashville, Tennessee, owns and operates a network of 58 short stay surgical facilities in 25 states. The Company’s facilities provide non-emergency surgical procedures across many specialties.

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