X0306 4 2022-08-10 0 0001604028 ADVANCED DRAINAGE SYSTEMS, INC. WMS 0001682214 TALLEY KEVIN C C/O ADVANCED DRAINAGE SYSTEMS, INC. 4640 TRUEMAN BOULEVARD HILLIARD OH 43026 0 1 0 0 EVP and CAO Common Stock 2022-08-10 4 M 0 15646 24.20 A 77671 D Common Stock 2022-08-10 4 M 0 8643 25.75 A 86314 D Common Stock 2022-08-10 4 M 0 10547 27.44 A 96861 D Common Stock 2022-08-10 4 S 0 34551 142.6699 D 62310 D Common Stock 2022-08-10 4 S 0 285 143.3905 D 62025 D Common Stock 21269.2997 I By KSOP Option to Purchase Common Stock 24.20 2022-08-10 4 M 0 15646 0.00 D 2026-03-31 Common Stock 15646 0 D Option to Purchase Common Stock 25.75 2022-08-10 4 M 0 8643 0.00 D 2028-05-23 Common Stock 8643 0 D Option to Purchase Common Stock 27.44 2022-08-10 4 M 0 10547 0.00 D 2029-05-21 Common Stock 10547 0 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $142.36 to $143.35, inclusive. The reporting person undertakes to provide to Advanced Drainage Systems, Inc., any security holder of Advanced Drainage Systems, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (1) to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $143.36 to $143.405, inclusive. The reporting person undertakes to provide to Advanced Drainage Systems, Inc., any security holder of Advanced Drainage Systems, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (2) to this Form 4. Represents current allocation under KSOP. The option vested in three equal annual installments beginning on February 8, 2018. The option vested in three equal annual installments beginning on May 23, 2019. The option vested in three equal annual installments beginning on May 21, 2020. /s/ Kevin C. Talley, by Scott A. Cottrill as attorney-in-fact 2022-08-12