| BARBARA ANN KARMANOS CANCER HOSPITAL | 20-1649466 | Tax-exempt affiliate |
| BARBARA ANN KARMANOS CANCER INSTITUTE | 38-1613280 | Tax-exempt affiliate |
| BAY REGIONAL MEDICAL CENTER AUXILIARY | 38-6081235 | Tax-exempt affiliate |
| CARO COMMUNITY HOSPITAL | 38-3426063 | Tax-exempt affiliate |
| CARO COMMUNITY HOSPITAL ENDOWMENT FOUNDATION | 38-2422995 | Tax-exempt affiliate |
| CHARLEVOIX NURSING HOME CORPORATION DBA BOULDER PARK TERRACE | 38-3038683 | Tax-exempt affiliate |
| CLARKSTON PROPERTY ASSOCIATES | — | Taxable corp/trust |
| DELPHINUS INVESTMENT INC | — | Taxable corp/trust |
| HEALTH ADVANTAGE INC | — | Taxable corp/trust |
| HURON CLINIC CONDOMINIUMS OWNERS | — | Taxable corp/trust |
| HURON MEMORIAL FOUNDATION | 38-2717147 | Tax-exempt affiliate |
| HURON MEMORIAL HOSPITAL | 38-1474929 | Tax-exempt affiliate |
| KARMANOS CANCER FOUNDATION | 38-3584572 | Tax-exempt affiliate |
| LAKE ORION NURSING CENTER CORPORATION | 38-2895426 | Tax-exempt affiliate |
| MARWOOD MANOR NURSING HOME | 38-2683251 | Tax-exempt affiliate |
| MCLAREN BAY MEDICAL FOUNDATION | 38-2156534 | Tax-exempt affiliate |
| MCLAREN BAY REGION | 38-1976271 | Tax-exempt affiliate |
| MCLAREN BAY SPECIAL CARE | 38-3161753 | Tax-exempt affiliate |
| MCLAREN CENTRAL MICHIGAN | 38-1420304 | Tax-exempt affiliate |
| MCLAREN FLINT | 38-2383119 | Tax-exempt affiliate |
| MCLAREN FLINT FOUNDATION | 38-1358053 | Tax-exempt affiliate |
| MCLAREN GREATER LANSING | 38-1434090 | Tax-exempt affiliate |
| MCLAREN GREATER LANSING FOUNDATION | 38-2463637 | Tax-exempt affiliate |
| MCLAREN HEALTH CARE CORPORATION | 38-2397643 | Tax-exempt affiliate |
| MCLAREN HEALTH CARE VILLAGE FOUNDATION | 26-2693350 | Tax-exempt affiliate |
| MCLAREN HEALTH MANAGEMENT GROUP | 38-3491714 | Tax-exempt affiliate |
| MCLAREN HEALTH PLAN COMMUNITY | 27-2204037 | Tax-exempt affiliate |
| MCLAREN HOSPICE AND HOME CARE FOUNDATION | 46-3643089 | Tax-exempt affiliate |
| MCLAREN INSURANCE COMPANY LTD | — | Taxable corp/trust |
| MCLAREN INTEGRATED HMO GROUP | 82-4449304 | Tax-exempt affiliate |
| MCLAREN LAPEER REGION | 38-2689033 | Tax-exempt affiliate |
| MCLAREN LAPEER REGION FOUNDATION | 38-2689603 | Tax-exempt affiliate |
| MCLAREN MACOMB | 38-1218516 | Tax-exempt affiliate |
| MCLAREN MEDICAL GROUP | 38-2988086 | Tax-exempt affiliate |
| MCLAREN NORTHERN MICHIGAN | 38-2146751 | Tax-exempt affiliate |
| MCLAREN NORTHERN MICHIGAN FOUNDATION | 38-2445611 | Tax-exempt affiliate |
| MCLAREN OAKLAND | 38-1428164 | Tax-exempt affiliate |
| MCLAREN OAKLAND FOUNDATION | 20-0442217 | Tax-exempt affiliate |
| MCLAREN PHYSICIAN PARTNERS | — | Taxable corp/trust |
| MCLAREN PORT HURON | 38-1369611 | Tax-exempt affiliate |
| MDWISE INC | 35-1931354 | Tax-exempt affiliate |
| MDWISE MEDICAID NETWORK INC | 47-3192307 | Tax-exempt affiliate |
| MICHIGAN CANCER SOCIETY | 38-2823451 | Tax-exempt affiliate |
| MID-MICHIGAN PHYSICIANS PC | — | Taxable corp/trust |
| MOUNT CLEMENS REGIONAL HEALTHCARE FOUNDATION | 38-2578873 | Tax-exempt affiliate |
| NORTH OAKLAND NORTH MACOMB IMAGING INC | 38-2807040 | Tax-exempt affiliate |
| NORTHERN MICHIGAN HEMATOLOGY AND ONCOLOGY | 32-0020293 | Tax-exempt affiliate |
| NORTHERN MICHIGAN MEDICAL MANAGEMENT | 20-8458840 | Tax-exempt affiliate |
| PORT HURON HOSPITAL FOUNDATION | 38-2777750 | Tax-exempt affiliate |
| SPARTAN IMAGING INC | 85-3196614 | Tax-exempt affiliate |
| ST LUKE'S HOSPITAL | 34-4428232 | Tax-exempt affiliate |
| ST LUKE'S HOSPITAL FOUNDATION | 34-1292849 | Tax-exempt affiliate |
| THE CARDIAC INSTITUTE DBA MICHIGAN HEART & VASCULAR SPECIALISTS | 26-2774689 | Tax-exempt affiliate |
| VITALCARE HOME MEDICAL EQUIPMENT INC | — | Taxable corp/trust |
| VITALCARE INC | 38-2527255 | Tax-exempt affiliate |