| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| MacLennan David | Director | C/O ECOLAB INC., 1 ECOLAB PLACE, ST. PAUL | /s/ Youhao Dong, as Attorney-in-Fact for David W. MacLennan | 08 Dec 2025 | 0001498535 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ECL | Common Stock | Purchase | $193,198 | +750 | +3.4% | $257.60 | 23,035 | 08 Dec 2025 | Direct | |
| holding | ECL | Common Stock | 3,500 | 08 Dec 2025 | By Kathleen F. MacLennan Revocable Trust u/a dated 11/07/2002 | ||||||
| holding | ECL | Common Stock | 709 | 08 Dec 2025 | By sibling's trusts |