| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Weideman William H | Director | C/O OLIN CORPORATION, 190 CARONDELET PLZ, STE 1530, CLAYTON | /s/ E.C. Tanner, Attorney-in-Fact | 2025-05-05 | 0001359647 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OLN | Phantom Stock Units | Award | $199K | +9.16K | +24.43% | $21.77 | 46.6K | May 1, 2025 | Common Stock | 9.16K | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | Security converts to common stock on a one-to-one basis. |
| F2 | Represents the annual director compensation grants that are credited to the reporting person's deferred stock account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-Employee Directors. |