LSB INDUSTRIES, INC. Exhibit 11.1 Page 1 of 2 PRIMARY EARNINGS PER SHARE COMPUTATION Quarter ended March 31, _____________________________ 1994 1993 ____________ ___________ Shares for primary earnings per share: Weighted average shares: Common shares outstanding from beginning of period 13,673,971 7,393,674 Common shares issued on conversion of redeemable preferred stock; calculated on weighted average basis 360 1,070 Common shares issued on conversion of convertible preferred stock; calculated on weighted average basis - 1,304,070 Common shares issued upon exercise of employee or director stock options; calculated on weighted average basis 6,833 19,500 Purchases of treasury stock; calculated on weighted average basis (20,000) - Sale of stock; calculated on weighted average basis - 5,843 __________ _________ 13,661,164 8,724,157 Common Stock equivalents: Shares issuable upon exercise of options and warrants (including the weighted average for shares subject to options and warrants granted during the period) 934,807 2,069,776 Assumed repurchase of outstanding shares up to the 20% limitation (based on average market price for the period) (247,510) (513,253) Common shares issuable on conversion of redeemable preferred stock, excluding shares included above on actual conversion 66,560 67,810 __________ __________ 753,857 1,624,333 __________ __________ 14,415,021 10,348,490 ========== ========== Earnings for primary earnings per share: Net earnings $ 2,203,665 $ 2,657,133 Dividends on cumulative preferred stocks (76,145) ( 77,220) Dividends on convertible, exchangeable Class C preferred stock (6.5% annually) (747,500) - __________ __________ Earnings applicable to common stock $ 1,380,020 $ 2,579,913 ========== ========== Earnings per share $.10 $.25 ==== ==== LSB INDUSTRIES, INC. Exhibit 11.1 Page 2 of 2 FULLY DILUTED EARNINGS PER SHARE COMPUTATION Quarter ended March 31, ____________________________ 1994 1993 __________ __________ Shares for fully diluted earnings per share: Weighted average shares outstanding for primary earnings per share 13,661,164 8,724,157 Shares issuable upon exercise of options and warrants 934,807 2,069,776 Assumed repurchase of outstanding shares up to the 20% limitation (based on ending market price for the quarter if greater than the average) (247,510) (495,004) Common shares issuable on conversion of redeemable preferred stock, excluding shares included above on actual conversion 66,560 67,810 Common shares issuable upon conversion of convertible note payable 4,000 4,000 Common shares issuable upon conversion of convertible preferred stock, if dilutive, from date of issue: Series B 666,666 666,666 Series 1, net of shares held in treasury - 3,748,470 __________ __________ 15,085,687 14,785,875 ========== ========== Earnings for fully diluted earnings per share: Net earnings $ 2,203,665 $ 2,657,133 Interest on convertible note 180 180 Dividends on cumulative preferred stocks (747,500) - __________ __________ Earnings applicable to common stock $ 1,456,345 $ 2,657,313 ========== ========== Earnings per share $.10 $.18 ==== ====