| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Cottrill Scott A | EVP, CFO AND SECRETARY | C/O ADVANCED DRAINAGE SYSTEMS, INC., 4640 TRUEMAN BOULEVARD, HILLIARD | /s/ Scott A. Cottrill | 23 May 2025 | 0001343378 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WMS | Common Stock | Tax liability | $68,265 | -615 | -0.62% | $111.00 | 99,153 | 22 May 2025 | Direct | F1 |
| holding | WMS | Common Stock | 17,469 | 22 May 2025 | By KSOP | F2 |
| Id | Content |
|---|---|
| F1 | Represents shares withheld to satisfy Reporting Person's tax obligations in connection with the vesting of shares of restricted common stock of the Issuer. |
| F2 | Represents current allocation under KSOP. |