| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| WHITELAW ESSIE | Director | 777 EAST WISCONSIN AVENUE, MILWAUKEE | /s/ John J. Manning, Attorney-in-Fact for Ms. Whitelaw | 2025-12-04 | 0001200336 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SXT | Common Stock | Sale | -$49.7K | -533 | -2.47% | $93.22 | 21.1K | Nov 20, 2025 | Direct | F1 |
| transaction | SXT | Common Stock | Sale | -$379K | -3.99K | -18.87% | $95.02 | 17.1K | Dec 3, 2025 | Direct | F1 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | SXT | Deferred Stock | 878 | Nov 20, 2025 | Common Stock | 878 | Direct | F2, F3 |
| Id | Content |
|---|---|
| F1 | Includes shares of restricted stock held under Issuer's 2017 Stock Plan, as amended and restated, and shares held in a dividend reinvestment plan. |
| F2 | Deferred stock converts to common stock on a one-for-one basis. |
| F3 | Shares of common stock will be issued upon termination of reporting person's service as a director of the Issuer. |