

| USG CORPORATION | 10/05/2017 AGM | |
|---|---|---|
| 1a | Re-Elect Director Matthew Carter, Jr. | For |
| 1b | Re-Elect Director Richard P. Lavin | For |
| 1c | Re-Elect Jennifer F. Scanlon | For |
| 2 | Appoint the Auditors | Oppose |
| 3 | Amend Articles: Restated Certificate of Incorporation | For |
| 4 | Advisory Vote on Executive Compensation | Abstain |
| 5 | Approve the Frequency of Future Advisory Votes on Executive Compensation | 1 |