X0303 4 2011-03-24 0 0000060714 LSB INDUSTRIES INC LXU 0001258645 GOSS DAVID R 16 SOUTH PENNSYLVANIA AVENUE OKLAHOMA CITY OK 73107 1 1 0 0 Ex VP-Operations/Asst Sec Common Stock 2011-03-24 4 S 0 20000 37.50 D 151690 D Common Stock 2011-03-25 4 S 0 20000 39.54 D 131690 D These shares were sold at the weighted average price per share of $37.50, which is based on multiple prices ranging from $37.50 to $37.52. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range. These shares were sold at the weighted average price per share of $39.54, which is based on multiple prices ranging from $39.50 to $39.72. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range. These shares were sold pursuant to the Rule 10b5-1 Sales Plan adopted by David R. Goss on March 7, 2011. David R. Goss 2011-03-25