144 0001817187 XXXXXXXX LIVE 0001653477 Ingevity Corp 001-37586 4920 O'Hear Avenue, Suite 400 North Charleston SC 29405 843-740-2300 Inclusive Capital Partners, L.P. (1) Shareholder Common Stock, par value $0.01 per share J.P. Morgan Securities LLC

383 Madison Avenue New York NY 10179

1250000 61187500.00 36235885 02/26/2024 NYSE Common Stock, $0.01 par value per share 10/02/2020 See Remark 2 See Remark 2 N 1250000 10/02/2020 See Remark 2 Y (1) Inclusive Capital Partners, L.P., a Delaware limited partnership ("In-Cap"), serves as the investment manager to certain funds which hold the shares covered by this Form 144. William J. Slocum, a Partner of In-Cap, is a member of the board of directors of the Issuer. (2) The shares reported herein to be sold were originally acquired in the open market on dates ranging from October 2, 2020 and May 26, 2023. 02/26/2024 Inclusive Capital Partners, L.P., By: /s/ Philippe B. Pradel, Chief Compliance Officer