| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Moriarty Sean Thomas | VP & GM Surfactants | 1101 SKOKIE BOULEVARD, SUITE 500, NORTHBROOK | /s/ James A. Hart, Attorney-in-Fact for Sean T. Moriarty | 05 Mar 2026 | 0001716333 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SCL | Common Stock | Award | +57 | +0.4% | $52.51* | 14,205 | 27 Feb 2026 | Direct | ||
| holding | SCL | Common Stock | 4,478 | 27 Feb 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 | Stock Appreciation Right | Award | +6,440 | $0.000000* | 6,440 | 02 Mar 2026 | Common Stock | 6,440 | $17.47 | Direct | F1, F2 | ||
| transaction | SCL | Performance Shares | Award | +2,247 | $0.000000* | 2,247 | 02 Mar 2026 | Common Stock | 2,247 | Direct | F3, F4 | |||
| transaction | SCL | Restricted Stock Units | Award | +4,495 | $0.000000* | 4,495 | 02 Mar 2026 | Restricted Stock Units | 4,495 | Direct | F1, F5 |
| Id | Content |
|---|---|
| F1 | Vest ratably over three years beginning on the date shown. |
| F2 | The Reporting Person's Form 4 filed on March 4, 2026 included an incorrect Stock Appreciation Right amount which has been corrected herein. |
| F3 | Each performance share represents a contingent right to receive one share of Stepan Company common stock. |
| F4 | The performance shares vest upon the certification of Stepan Company achieving certain performance goals for the performance period ending December 31, 2028. |
| F5 | Each restricted stock unit ("RSU") represents a contingent right to receive one share of Stepan Company common stock. |