Supplemental
                                                                      Agreement
                                                                           Covering
                                                                         HEALTH CARE
                                                                          PROGRAM
                                                                                           ®
                                                                           Exhibit C
                                                                             to
                                                                          AGREEMENT
                                                                           between
                                                                             the
                                                                            UAW
                                                                             and
                                                                      GENERAL MOTORS LLC
                                                                            dated
                                                                        October 16, 2019
           Supplemental
              Agreement
                  Covering
                HEALTH CARE
                 PROGRAM
                                  ®
                  Exhibit C
                    to
                 AGREEMENT
                  between
                    the
                   UAW
                    and
             GENERAL MOTORS LLC
                   dated
                October 16, 2019
                                                             TABLE OF CONTENTS
                                                                                                                                     Page
                           INDEX TO EXHIBIT C, EXHIBIT C-1, AND
                                  MISCELLANEOUS HEALTH CARE PROGRAM
                            DOCUMENTS .......................................................................(viii)
                           Exhibit C                  Supplemental Agreement
                                                      (Health Care Program) ........................................(1)
                                  Section 1.  Establishment of Program ....................................(1)
                                  Section 2.  Financing ................................................................ (2)
                                  Section 3.  Company Options..................................................(4)
                                  Section 4.  Administration ....................................................... (4)
                                  Section 5.  Coverages During Union Leave of 
                                                      Absence .................................................................. (6)
                                  Section 6.  Coverages Following Loss of 
                                                      Seniority ................................................................. (6)
                                  Section 7.  Active Service ........................................................ (7)
                                  Section 8.  Non-Applicability of Collective
                                                      Bargaining Agreement Grievance
                                                      Procedure ............................................................... (8)
                                  Section 9.  No Health Care in Retirement
                                                      Post-Retirement Program Coverages
                                                      Inapplicable to Retirees or Retirees’
                                                      Surviving Spouses and Dependents .....................(8)
                                  Section 10.  Duration of Agreement ........................................(8)
                           Exhibit C-1                The General Motors
                                                      Health Care Program for
                                                      Hourly Employees .................................................... 1
                           Article I                  Establishment, Financing and 
                                                      Administration of the Health Care
                                                      Program .................................................................... 3
                                  Section 1.  Establishment and Effective Date of
                                                      the Program .............................................................. 3
                                  Section 2.  Company Costs and Administrative
                                                      Items .......................................................................... 3
                                  Section 3.  Program in States With
                                                      Disability Benefits Laws ........................................... 5
                                  Section 4.  Federal Health Care Benefits ..................................7
                                  Section 5.  Treatment of Existing Coverages on
                                                      Effective Date ........................................................... 8
                                                                                  (i)
                            TABLE OF CONTENTS (Cont’d)
                                                                                 Page
               Section 6.  Named Fiduciary ...................................................... 9
               Section 7.  Coordination of Benefits (COB) ..........................14
               Section 8.  Reimbursement for Third Party
                             Liability .................................................................... 19
               Section 9.  Recovery of Benefit Overpayments ......................19
               Section 10.  Compliance with Federal Laws .............................20
               Section 11.  Protected Health Information (PHI) ...................20
           Article II        Health Care Coverages .......................................... 25
               Section 1.  Establishment of Health Care
                             Coverages ................................................................ 25
               Section 2.  Uniform National Health Care
                             Coverages ................................................................ 25
               Section 3.  Replacement of Supplementation of
                             Coverages ................................................................ 27
               Section 4.  Selection of Option in the Informed
                             Choice Plan ............................................................. 27
           Article III       Enrollment, Eligibility,
                             Commencement, Contributions and
                             Continuation ........................................................... 34
               Section 1.  Enrollment .............................................................. 34
               Section 2.  Dates of Eligibility, Commencement of
                             Coverages, and Company
                             Contributions for Active Employees ....................35
               Section 3.  Continuation of Coverages During
                             Layoff....................................................................... 38
               Section 4.  Continuation of Coverages During
                             Disability Leave of Absence .................................. 40
               Section 5.   Continuation of Coverages During
                             Other Leaves of Absence ...................................... 42
               Section 6.  Continuation of Coverages Upon
                             Retirement or Termination of Employment
                             at Age 65 or Older .................................................. 43
               Section 7.  Continuation of Coverages Upon
                             Termination of Employment Other
                             Than by Retirement or Death ...............................44
                                               (ii)