LSB INDUSTRIES, INC. Exhibit 11.1 Page 1 of 2 PRIMARY EARNINGS PER SHARE COMPUTATION Quarter ended March 31, -------------------------- 1995 1994 Shares for primary earnings per share: Weighted average shares: Common shares outstanding from beginning of period 13,060,566 13,673,971 Common shares issued on conversion of redeemable preferred stock; calculated on weighted average basis 180 360 Common shares issued upon exercise of employee or director stock options; calculated on weighted average basis - 6,833 Purchases of treasury stock; calculated on weighted average basis (13,950) (20,000) ---------- ---------- 13,046,796 13,661,164 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) 823,140 934,807 Assumed repurchase of outstanding shares up to the 20% limitation (based on average market price for the period) (317,680) (247,510) Common shares issuable on conversion of redeemable preferred stock, excluding shares included above on actual conversion - 66,560 ----------- ---------- 505,460 753,857 ----------- ---------- 13,552,256 14,415,021 Earnings for primary earnings per share: Net earnings $1,548,092 $2,203,665 Dividends on cumulative preferred stocks (75,880) ( 76,145) Dividends on convertible, exchangeable Class C preferred stock (6.5% annually) (743,437) (747,500) ----------- ---------- Earnings applicable to common stock $ 728,775 $1,380,020 Earnings per share $.05 $.10 ==== ==== LSB INDUSTRIES, INC. Exhibit 11.1 Page 2 of 2 FULLY DILUTED EARNINGS PER SHARE COMPUTATION Quarter ended March 31, --------------------------- 1995 1994 ----------- --------- Shares for fully diluted earnings per share: Weighted average shares outstanding for primary earnings per share 13,046,796 13,661,164 Shares issuable upon exercise of options and warrants 823,140 934,807 Assumed repurchase of outstanding shares up to the 20% limitation (based on ending market price for the quarter if greater than the average) (300,737) (247,510) Common shares issuable on conversion of redeemable preferred stock, excluding shares included above on actual conversion - 66,560 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 ----------- ---------- 13,573,199 15,085,687 Earnings for fully diluted earnings per share: Net earnings $1,548,092 $2,203,665 Interest on convertible note 180 180 Dividends on cumulative convertible preferred stocks: Series B (75,880) - Series 2 Class C (743,437) (747,500) ----------- ---------- Earnings applicable to common stock $ 728,955 $1,456,345 =========== ========== Earnings per share $.05 $.10 ==== ====