X0306 4 2018-12-30 0 0000060714 LSB INDUSTRIES INC LXU 0001526605 DIESCH JOHN HOWARD 3503 NW 63RD ST, SUITE 500 OKLAHOMA CITY OK 73116 0 1 0 0 EVP-Manufacturing Common Stock 2018-12-30 4 A 0 15046 5.40 A 46770 D Common Stock 2018-12-30 4 A 0 15046 5.40 A 61816 D Restricted Stock Award pursuant to the LSB Industries, Inc. 2016 Incentive Stock Plan. One-third of the award will vest on the first anniversary of the grant date, and each subsequent anniversary, such that 100% of the award shall be vested on the third anniversary of the grant date. Restricted Stock Award pursuant to the LSB Industries, Inc. 2016 Incentive Stock Plan. The Restricted Stock granted under this award will vest on the third anniversary of the grant date subject to the achievement of certain performance metrics established by the Board of Directors as set out in the grant. Upon third anniversary grant may be modified in a range between 0 and 200% based upon achievement of the performance goals. /s/ Michael J. Foster, Attorney-in-Fact 2019-01-02