| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| FRATTO TANYA D | Director | C/O ADVANCED DRAINAGE SYSTEMS, INC., 4640 TRUEMAN BOULEVARD, HILLIARD | /s/ Tanya D. Fratto, by Scott A. Cottrill as attorney-in-fact | 21 Jul 2025 | 0001614408 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WMS | Common Stock | Award | $0 | +1,130 | +4% | $0.000000 | 29,442 | 17 Jul 2025 | Direct |