| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| CIPOLLA MICHAEL | VICE PRESIDENT | 622 THIRD AVENUE, NEW YORK | /s/ Timothy J. Jordan for Michael Cipolla | 22 Jan 2026 | 0001073587 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MTX | Deferred Restricted Stock Units (DRSUs) | Award | $0 | +4,618 | +58% | $0.000000 | 12,632 | 20 Jan 2026 | Common Stock | 4,618 | Direct | F1, F2 | |
| transaction | MTX | Employee Stock Option (Right to Buy) | Award | $0 | +3,966 | $0.000000 | 3,966 | 20 Jan 2026 | Common Stock | 3,966 | $66.23 | Direct | F3 |
| Id | Content |
|---|---|
| F1 | Each DRSU is the economic equivalent of one share of Minerals Technologies Inc. Common Stock. |
| F2 | The DRSUs were granted on January 20, 2026 and vest in three equal annual installments beginning on January 20, 2027. |
| F3 | These options were granted on January 20, 2026 and vest in three equal annual installments beginning on January 20, 2027. |