144 0001763858 XXXXXXXX LIVE 0000060714 LSB Industries, Inc. 001-07677 3503 NW 63rd Street Suite 500 Oklahoma City OK 73116 4052354546 CHERYL MAGUIRE Officer Common Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 8th Floor New York NY 10004

19600 181300.00 71944499 11/11/2025 NYSE Common 12/30/2021 Restricted Stock Units Issuer N 19600 12/30/2021 N/A N 10b5-1 Sales for CHERYL MAGUIRE

3503 NW 63rd Street Suite 500 Oklahoma City OK 73116

Common 10/30/2025 5400 52650.00 The securities to be sold were acquired upon the vesting of restricted stock units during the period of 12/30/2021 through 12/31/2021. Sales that were executed on November 11, 2025 are being reported on this Form 144 filed on November 12, 2025 given the EDGAR system was not accepting filings on November 11, 2025 in observance of the federal holiday. 11/11/2025 03/13/2025 /s/ Cheryl Maguire