| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Rojo Luis | President & CEO, Director | 1101 SKOKIE BOULEVARD, SUITE 500, NORTHBROOK | /s/ James A. Hart, Attorney-in-Fact for Luis Rojo | 05 Mar 2026 | 0001738439 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SCL | Common Stock | Options Exercise | +4,455 | +28% | $48.98* | 20,153 | 03 Mar 2026 | Direct | F1 | |
| transaction | SCL | Common Stock | Tax liability | -1,306 | -6.5% | $48.98* | 18,847 | 03 Mar 2026 | Direct | F2 | |
| transaction | SCL | Common Stock | Options Exercise | +857 | +4.5% | $49.62* | 19,704 | 04 Mar 2026 | Direct | F1 | |
| transaction | SCL | Common Stock | Tax liability | -252 | -1.3% | $49.62* | 19,452 | 04 Mar 2026 | Direct | F2 | |
| holding | SCL | Common Stock | 512 | 03 Mar 2026 | By Esop II Trust |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SCL | Restricted Stock Units | Options Exercise | -4,455 | -33% | $0.000000* | 8,910 | 03 Mar 2026 | Common Stock | 4,455 | Direct | F1, F3, F4 | ||
| transaction | SCL | Restricted Stock Units | Options Exercise | -857 | -50% | $0.000000* | 858 | 04 Mar 2026 | Restricted Stock Units | 857 | Direct | F1, F5, F6 |
| Id | Content |
|---|---|
| F1 | The restricted stock units ("RSUs") were settled in shares of common stock per the terms of the award. |
| F2 | Withholding of shares to satisfy tax liability on the vesting of RSUs. |
| F3 | Each RSU represents a contingent right to receive one share of Stepan Company common stock. |
| F4 | Vest ratably over three years beginning on the date shown. |
| F5 | Each RSU represents a contingent right to receive one share of Stepan Company common stock. |
| F6 | Vests ratably over three years beginning on the date shown. |