| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| STEPAN F QUINN JR | Director | 1101 SKOKIE BOULEVARD, SUITE 500, NORTHBROOK | /s/ Stephanie J. Pacitti, Attorney-in-Fact for F. Quinn Stepan, Jr. | 2025-08-14 | 0001229289 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SCL | Common Stock | Will/Inheritance | $0 | -20.7K | -12.77% | $0.00 | 141K | Aug 12, 2025 | By Mother's Estate | F1, F2, F3 |
| transaction | SCL | Common Stock | Will/Inheritance | $0 | +20.7K | +19.61% | $0.00 | 126K | Aug 12, 2025 | Direct | F1 |
| transaction | SCL | Common Stock | Will/Inheritance | $0 | -2.45K | -1.73% | $0.00 | 139K | Aug 12, 2025 | By Mother's Estate | F2, F3, F4 |
| transaction | SCL | Common Stock | Will/Inheritance | $0 | +2.45K | $0.00 | 2.45K | Aug 12, 2025 | By Family Trust III | F2, F4 | |
| transaction | SCL | Common Stock | Will/Inheritance | $0 | -139K | -100% | $0.00 | 0 | Aug 12, 2025 | By Mother's Estate | F2, F3 |
| holding | SCL | Common Stock | 159K | Aug 12, 2025 | Direct | F5 | |||||
| holding | SCL | Common Stock | 0.002 | Aug 12, 2025 | By Esop II Trust | ||||||
| holding | SCL | Common Stock | 160K | Aug 12, 2025 | By Family LLC | F2 | |||||
| holding | SCL | Common Stock | 87.5K | Aug 12, 2025 | By Family Trust IV | F2 | |||||
| holding | SCL | Common Stock | 100 | Aug 12, 2025 | By Father | F2, F3 | |||||
| holding | SCL | Common Stock | 1.02K | Aug 12, 2025 | By Spouse | ||||||
| holding | SCL | Common Stock | 67.2 | Aug 12, 2025 | By Father's ESOP | F2, F3 | |||||
| holding | SCL | Common Stock | 19.1K | Aug 12, 2025 | By Family Trust V | F2 | |||||
| holding | SCL | Common Stock | 600 | Aug 12, 2025 | By Family Trust VI | F2, F3 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | SCL | Share Units | 43.2K | Aug 12, 2025 | Common Stock | 43.2K | By Father's Deferred MIP | F2, F3, F6, F7, F8 | ||||||
| holding | SCL | Share Units | 63.4K | Aug 12, 2025 | Common Stock | 63.4K | Direct | F6, F7, F8 |
| Id | Content |
|---|---|
| F1 | On August 12, 2025, the reporting person received 20,676 shares from his mother's estate. |
| F2 | The reporting person disclaims beneficial ownership of these securities, except to extent of any pecuniary interest in the shares. |
| F3 | Shares held by an estate of which the reporting person serves as executor. |
| F4 | On August 12, 2025, the trust received 2,448 shares from the reporting person's mother's estate. |
| F5 | Joint Tenancy with Spouse. |
| F6 | Share Units are acquired under the Management Incentive Plan ("MIP"), a nonqualified deferred compensation plan that allows participants to defer all or a portion of their annual incentive awards. |
| F7 | Share Units convert on a one-for-one basis into Common Stock. |
| F8 | Share Units are generally payable at end of employment, unless otherwise elected. |