| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Cook Gregory B | EVP & PRES - INST GROUP | 1 ECOLAB PLACE, ST. PAUL | /s/ Corinne Lawson, as Attorney-in-Fact for Gregory B. Cook | 20 Feb 2026 | 0001989181 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ECL | Common Stock | Award | $0 | +3,388 | +37% | $0.000000 | 12,458 | 18 Feb 2026 | Direct | |
| transaction | ECL | Common Stock | Tax liability | $323,154 | -1,066 | -8.6% | $303.15 | 11,392 | 18 Feb 2026 | Direct | F1 |
| holding | ECL | Common Stock | 3,556 | 18 Feb 2026 | By Ecolab Savings Plan | F2 |
| Id | Content |
|---|---|
| F1 | Reflects the reporting person's payment of minimum statutory tax obligations by withholding shares of Ecolab Common Stock incident to the vesting of performance-based restricted stock units in accordance with Rule 16b-3. |
| F2 | Number of UNITS in the Ecolab Stock Fund of the Ecolab Savings Plan (401(k) Plan) as of January 31, 2026. Includes 23.649 UNITS acquired since the reporting person's last report. (The 3,556.129 UNITS are the equivalent of approximately 6,519 SHARES of the issuer's Common Stock.) |