Patrick Neil Walker

At Colonial Outpatient Surgery Center, LLC

• Audrey GregoryDirector
• Daniel RiggsDirector
• Jeffrey GraffDirector
• John Neil WalkerExecutive Officer
• John WalkerExecutive Officer
• Jordan CoxPresident of Issuer
• Jordan JonesPresident of Issuer's Manager
• Jordan Neil CoxPresident of Issuer

At Dublin Surgery Center, LLC

• 401K Plan f/b/o Brett Wheeler, MD F. Doctors Anesthesia Service of Columbus Inc.Director
• 401K Plan f/b/o Samuel D. Westenskow, DO F. Doctors Anesthesia Service of Columbus Inc.Director
• Andrew P. HayekExecutive Officer
• Armin RahmanianDirector
• Brian McCallisterDirector
• Cory P. RobertsExecutive Officer
• David F. Reed, DODirector
• David G. Buchan, DPMDirector

At Grove Place Surgery Center, L.L.C.

• Jordan JonesPresident of Issuer's Manager
• Jordan W. JonesPresident and board member of manager
• Ladd MarkVice President of Issuer's Manager
• Ladd W. MarkVice president and board member of manager
• N/A SCA-Grove Place, LLCExecutive Officer, Director
• Patrick WalkerVice President of Issuer's Manager
• P. Neil WalkerVice president and board member of manager