EXHIBIT 11 HOWELL CORPORATION COMPUTATION OF EARNINGS PER SHARE (Unaudited) Three Months Ended March 31, 1995 1994 (In thousands, except per share amounts) PRIMARY EARNINGS PER SHARE Computation for Statement of Earnings Reconciliation of net income per statement of earnings to amount used in calculation of earnings per share - assuming no dilution: Net earnings $832 $352 Subtract - Dividend to preferred shareholders 604 604 Net earnings (loss), as adjusted $228 $ (252) Weighted average number of common shares outstanding 4,837 4,837 Earnings (loss) per share - assuming no dilution <F1> $.05 $ (.05) Additional Primary Computation Net earnings (loss), as adjusted per primary computation above $228 $ (252) Adjustment to weighted average number of shares outstanding: Weighted average number of shares outstanding per primary computation above 4,837 4,837 Add - Dilutive effect of outstanding options (as determined by application of the treasury stock method) 71 66 Weighted average number of shares outstanding, as adjusted 4,908 4,903 Primary earnings (loss) per share, as adjusted <F2> $.05 $ (.05) FULLY DILUTED EARNINGS PER SHARE Computation for Statement of Earnings Net earnings (loss), as adjusted per primary computation above $228 $ (252) Weighted average number of common shares outstanding, per primary computation above 4,837 4,837 Earnings (loss) per share - assuming full dilution <F1> $.05 $ (.05) Additional Fully Diluted Computation Additional adjustment to net earnings (loss), as adjusted per fully diluted computation above: Net earnings (loss), as adjusted per fully diluted computation above $228 $ (252) Add - Dividend to preferred shareholders 604 604 Net earnings, as adjusted $832 $352 Additional adjustment to weighted average number of shares outstanding: Weighted average number of shares outstanding, per fully diluted computation above 4,837 4,837 Add - Dilutive effect of outstanding options (as determined by the application of the treasury stock method) 71 56 Shares issuable from assumed exercise of convertible preferred stock 2,091 2,091 Weighted average number of common shares, as adjusted 6,999 6,984 Fully diluted earnings per share <F3> $.12 $.05 <FN> <F1> These amounts agree with the reported amounts on the statements of earnings. <F2> This calculation is submitted in accordance with Regulation S-K item 601(b)(11) although not required by footnote 2 to paragraph 14 of APB Opinion No. 15 because it results in dilution of less than 3%. <F3> This calculation is submitted in accordance with Regulation S-K item 601(b)(11) although it is contrary to paragraph 40 of APB Opinion No. 15 because it produces an anti-dilutive result. </FN>