X0508 4 2024-05-15 0001604028 ADVANCED DRAINAGE SYSTEMS, INC. WMS 0001756972 HARVEY DARIN S. C/O ADVANCED DRAINAGE SYSTEMS, INC. 4640 TRUEMAN BOULEVARD HILLIARD OH 43026 false true false false EVP, Supply Chain & Logistics false Common Stock 2024-05-15 4 A false 4403 0 A 8699 D Common Stock 2024-05-15 4 F false 1319 176.18 D 7380 D Common Stock 2024-05-15 4 F false 27 176.18 D 7353 D Common Stock 15233.3258 I By KSOP Reflects grant of performance-based units, originally granted pursuant to the Issuer's 2017 Omnibus Incentive Plan, earned after the Issuer determined that certain performance goals for the performance period ended March 31, 2024 had been met. Total includes dividend equivalents in the amount of 59 shares, which dividend equivalents are settled in common stock. Includes 125 shares of common stock acquired under the Advanced Drainage Systems, Inc. Employee Stock Purchase Plan, exempt under Rule 16b-3(c). Represents shares withheld to satisfy Reporting Person's tax obligations in connection with the vesting of shares of restricted common stock of the Issuer. Represents current allocation under KSOP. /s/ Darin S. Harvey, by Scott A. Cottrill as attorney-in-fact 2024-05-17