144 0001413614 XXXXXXXX LIVE 0001624794 CSW INDUSTRIALS, INC. 001-37454 5420 LYNDON B. JOHNSON FREEWAY SUITE 500 DALLAS TX 75240 (214) 884-3777 Armes Joseph B Affiliate Common Northern Trust Securities, Inc.

50 S. LaSalle Street Chicago IL 60603

1500 405169.35 16470230 03/23/2026 NYSE Common 03/31/2025 Vesting of shares under a long-term incentive plan CSW Industrial, Inc. N 1500 03/31/2025 NA N Joseph B Armes

5420 Lyndon B Johnson Freeway Dallas TX 75240

CSW Industrial, Inc. 01/15/2026 1000 328637.90 Joseph B Armes

5420 Lyndon B Johnson Freeway Dallas TX 75240

CSW Industrial,Inc. 02/17/2026 1500 446689.35 03/23/2026 08/12/2025 /s/ Joseph B. Armes