| Directors | Audit Committee | Compensation Committee | Governance & Nominating Committee | ESG and Safety Committee |
| Brenda A. Cline |   |  | | |
| Dennis L. Degner | ||||
| Margaret K. Dorman | | | | |
| James M. Funk | | | | |
| Charles G. Griffie | | | ||
| * Greg G. Maxwell | | | | |
| Reginal W. Spiller | | | |
| Directors | Audit Committee | Compensation Committee | Governance & Nominating Committee | ESG and Safety Committee |
| Brenda A. Cline | | | | |
| Dennis L. Degner | ||||
| Margaret K. Dorman | | | | |
| James M. Funk | | | | |
| Charles G. Griffie | | | ||
| * Greg G. Maxwell | | | | |
| Reginal W. Spiller | | | |