THC Massachusetts TENET HEALTHCARE CORPORATION (THC) Key/Legend Organizational Chart Effective 1/1/19 * These entities have general payer contracting responsibilities for the healthcare providers affiliated with for purposes of HPC RPO Program THC, and may, therefore depending on the nature of a Vanguard Health Systems, Inc. particular payer contract, undertake contracting activities on behalf of the Massachusetts entities. Health ** NEQCA contracts for the MetroWest PO physicians , National USPI Holding Services Vanguard Health Holding which includes MWPS physicians. Urgent Care Company, Inc. Network Company I, LLC (Holdco I) *** SHCN contracts with certain physicians of SVPS Holdings, Inc. Hospitals, Non-Clinical Non THC Entity Inc. * Vanguard Health Holding Company II, LLC (Holdco II) Clinical 3rd-party Contracting Entity Additional subsidiary detail continued on slide 3 Vanguard Health BHS Steward Health Care Management, Inc. New England Quality Care Accountable Network, Inc. (non-THC Alliance, Inc. (non-THC Care, LLC Entity/Contracting) Entity/Contracting) (ACO) * (SHCN) *** Vanguard Health Financial (NEQCA) ** Company, LLC

VHS Acquisition Subsidiary Number 7, Inc. MetroWest Healthcare VHS Acquisition Subsidiary Number 9, Inc. d/b/a Saint Vincent Hospital Alliance, Inc. (non-THC d/b/a MetroWest Medical Center (SVH) Entity/PO) (MWMC) 50% 50% Ownership Ownership

Saint Vincent Physician MetroWest Accountable Healthcare VHM Services, Inc. d/b/a Services, Inc. d/b/a Saint Organization, LLC (AHO) MetroWest Physician Vincent Medical Company Not contracting with NEQCA after Services (MWPS) (SVPS) 2017. Dissolved 6/30/19

Additional subsidiary detail continued on slide 2

Note: The Hospitals and Physician Services entities consolidate their reporting to CHIA and the HPC for purposes of the annual cost hearings and submit the information under the name of Tenet Healthcare Northeast Region (TNR). TNR is not a legal entity but merely facilitates the submission of the information 1 on behalf of the reporting entities. MetroWest Medical Center Ownership Structure Additional Subsidiary Detail continued from Page 1

VHS Acquisition Subsidiary Number 9, Inc. Shields PET Service of Alliance Imaging, Inc. d/b/a MetroWest Medical Center Tufts Medical Center, Inc. Boston, LLC. (MWMC)

84.67% 15.33% 33.33% 33.33% 33.33% Ownership Ownership Ownership Ownership Ownership

MetroWest Imaging Center, LLC PET/CT Services by Tufts Medical Center and Shields, LLC

2 Tenet Healthcare Corporation Additional Subsidiary Detail continued from Page 1

Tenet Healthcare Corporation

Health Services Network Hospitals, Inc. * 44.90% HCN Surgery Center Baylor University Holdings, Inc. Medical Center

Tenet Florida, Inc. National ASC, Inc.* 50.10% 5.00%

National Urgent Care, Inc. * USPI Holding Company, Inc.

National Urgent Care Holdings, Inc.

National Surgery Center Holdings, Inc.

NUCH of Massachusetts, LLC 62.38% Physician Groups (2) and Ownership Individual Physicians (14) 37.62% Ownership

ARC Worcester Center, LP d/b/a/ Worcester Surgical Center

3