LSB INDUSTRIES, INC. Exhibit 11.1 Page 1 of 6 PRIMARY EARNINGS PER SHARE COMPUTATION 1997 quarter ended March 31 June 30 Sept. 30 Shares for primary earnings per share: Weighted average shares: Common shares outstanding from beginning of period 12,975,356 12,931,856 12,934,081 Common shares issued on conversion of redeemable preferred stock; calculated on weighted average basis - - - Common shares issued upon exercise of employee or director stock options; calculated on weighted average basis 13,440 35,198 - Purchases of treasury stock; calculated on weighted average basis (13,972) (60,367) (102,461) ---------- ---------- ---------- 12,974,824 12,906,687 12,831,620 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) - 790,942 - Assumed repurchase of outstanding shares up to the 20% limitation (based on average market price for the period) - (539,953) - Common shares issuable on conversion of redeemable preferred stock, excluding shares included above on actual conversion - - 250,989 - ---------- ---------- ---------- 12,974,824 13,157,676 12,831,620 ========== ========== ========== Earnings for primary earnings per share: Net earnings (loss) $(5,437,954) $1,466,628 $(4,778,649) Dividends on cumulative preferred stocks (60,000) (75,390) (60,000) Dividends on convertible, exchangeable Class C preferred Stock (6.5% annually) (743,438) (743,438) (743,438) ----------- --------- ----------- Earnings (loss) applicable to common stock $(6,241,392) $ 647,800 $(5,582,087) =========== ========= =========== Earnings (loss) per share $ (.48) $ .05 $ (.44) =========== ========= =========== LSB INDUSTRIES, INC. Exhibit 11.1 Page 2 of 6 PRIMARY EARNINGS PER SHARE COMPUTATION Nine months ended September 30, 1997 Net loss applicable to common Stock $(11,175,679) ============ Weighted average number of common and common equivalent shares (average of three quarters above) 12,988,040 ============ Loss per share $ (.86) ============ LSB INDUSTRIES, INC. Exhibit 11.1 Page 3 of 6 PRIMARY EARNINGS PER SHARE COMPUTATION 1996 quarter ended ------------------------------------- March 31 June 30 Sept. 30 -------- ------- -------- Shares for primary earnings per share: Weighted average shares: Common shares outstanding from beginning of period 12,911,447 12,909,487 12,908,487 Common shares issued on conversion of redeemable preferred stock; calculated on weighted average basis 270 - 260 Common shares issued upon exercise of employee or director stock options; calculated on weighted average basis - - 12,527 Purchases of treasury stock; calculated on weighted average basis (330) (978) (12,734) ---------- ---------- ---------- 12,911,387 12,908,509 12,908,540 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) - 737,640 - Assumed repurchase of outstanding shares up to the 20% limitation (based on average market price for the period) - (359,676) - Common shares issuable on conversion of redeemable preferred stock, excluding shares included above on actual conversion - 62,080 - ---------- ---------- ---------- - 440,044 - ---------- ---------- ---------- 12,911,387 13,348,553 12,908,540 ========== ========== ========== Earnings for primary earnings per share: Net earnings (loss) $ (531,218) $ 2,371,797 $(3,217,649) Dividends on cumulative preferred stocks (75,520) (60,000) (60,000) Dividends on convertible, exchangeable Class C preferred Stock (6.5% annually) (743,438) (743,438) (743,438) ---------- ---------- ---------- Earnings (loss) applicable to common stock $(1,350,176) $ 1,568,359 $(4,021,087) =========== =========== =========== Earnings (loss) per share $ (.10) $ .12 $ (.31) =========== =========== =========== LSB INDUSTRIES, INC. Exhibit 11.1 Page 4 of 6 PRIMARY EARNINGS PER SHARE COMPUTATION Nine months ended September 30, 1996 Net loss applicable to common stock $ (3,802,904) ============ Weighted average number of common and common equivalent shares (average of three quarters above) 13,056,160 ============ Loss per share $ (.29) ============ LSB INDUSTRIES, INC. Exhibit 11.1 Page 5 of 6 FULLY DILUTED EARNINGS PER SHARE COMPUTATION 1997 quarter ended March 31 June 30 Sept. 30 --------- ------- -------- Shares for fully diluted earnings per share: Weighted average shares outstanding for primary earnings per share 12,974,824 12,906,687 12,831,620 Shares issuable upon exercise of options and warrants - 790,942 - Assumed repurchase of outstanding shares up to the 20% limitation (based on ending market price for the quarter if greater than the average) - (539,953) - Common shares issuable on conversion of redeemable preferred stock, excluding shares included above on actual conversion - - - Common shares issuable upon conversion of convertible note payable - 4,000 - Common shares issuable upon conversion of convertible preferred stock, if dilutive, from date of issue: Series B - - - Series 2 - - - ---------- ---------- ---------- 12,974,824 13,161,676 12,831,620 ========== ========== ========== Earnings for fully diluted earnings per share: Net earnings (loss) $(5,437,954) $1,466,628 $(4,778,649) Dividends on cumulative convertible preferred stocks: Series B (60,000) (75,390) (60,000) Series 2 Class C (743,438) (743,438) (743,438) ----------- ---------- ---------- Earnings (loss) applicable to common stock $(6,241,392) $ 647,800 $(5,582,087) =========== ========== ========== Earnings (loss) per share $ (.48) $ .05 $ (.44) =========== ========== ========== Nine months ended September 30, 1997 ------------------ Net loss applicable to common stock $(11,175,679) ============ Weighted average number of common and common equivalent shares (average of three quarters above) 12,989,373 ============ Loss per share $ (.86) ============ LSB INDUSTRIES, INC. Exhibit 11.1 Page 6 of 6 FULLY DILUTED EARNINGS PER SHARE COMPUTATION 1996 quarter ended March 31 June 30 Sept. 30 Shares for fully diluted earnings per share: Weighted average shares outstanding for primary earnings per share 12,911,387 12,908,509 12,908,540 Shares issuable upon exercise of options and warrants - 737,640 - Assumed repurchase of outstanding shares up to the 20% limitation (based on ending market price for the quarter if greater than the average) - (359,676) - Common shares issuable on conversion of redeemable preferred stock, excluding shares included above on actual conversion - 62,080 - Common shares issuable upon conversion of convertible note payable - 4,000 - Common shares issuable upon conversion of convertible preferred stock, if dilutive, from date of issue: Series B - 666,666 - Series 2 - - - ---------- ---------- ---------- 12,911,387 14,019,219 12,908,540 ========== ========== ========== Earnings for fully diluted earnings per share: Net earnings (loss) $ (531,218) $2,371,797 $(3,217,649) Dividends on cumulative convertible Preferred stocks: Series B (75,520) - (60,000) Series 2 Class C (743,438) (743,438) (743,438) ---------- --------- ---------- Earnings (loss) applicable to common stock $(1,350,176) $1,628,359 $(4,021,087) =========== ========== =========== Earning (loss) per share $ (.10) $ .12 $ (.31) =========== ========== =========== Nine months ended September 30, 1996 ------------------ Net loss applicable to common stock $ (3,742,904) ============ Weighted average number of common and common equivalent shares (average of three quarters above) 13,279,715 ============ Loss per share $ (.29) ============