X0306 4/A 2022-05-18 2022-05-20 0 0001604028 ADVANCED DRAINAGE SYSTEMS, INC. WMS 0001823429 HUEBERT MICHAEL G. C/O ADVANCED DRAINAGE SYSTEMS, INC. 4640 TRUEMAN BOULEVARD HILLIARD OH 43026 0 1 0 0 Senior Vice President Common Stock 2022-05-18 4 A 0 1419 0.00 A 51982 D Common Stock 2022-05-18 4 F 0 1991 99.29 D 49991 D Common Stock 2022-05-18 4 F 0 31 99.29 D 49960 D Common Stock 2022-05-18 4 F 0 2900 99.29 D 47060 D Common Stock 2022-05-18 4 F 0 230 99.29 D 46830 D Common Stock 2022-05-19 4 F 0 240 103.88 D 46590 D Common Stock 2022-05-19 4 F 0 166 103.88 D 46424 D Common Stock 2022-05-22 4 F 0 362 104.91 D 46062 D Option to Purchase Common Stock 99.29 2022-05-18 4 A 0 3402 0.00 A 2032-05-17 Common Stock 3402 3402 D Incorrectly reported on Form 4 as 1,385. Incorrectly reported on Form 4 as 51,948. Incorrectly reported on Form 4 as 49,957. Incorrectly reported on Form 4 as 49,926. Incorrectly reported on Form 4 as 49,926. Incorrectly reported on Form 4 as 46,796. Incorrectly reported on Form 4 as 3,321. The options vest in three equal annual installments beginning on May 17, 2023, provided that the Reporting Person remains continuously employed by the Issuer through each applicable vesting date. /s/ Michael G. Huebert, by Scott A. Cottrill as attorney-in-fact 2022-05-23