EXHIBIT 11 - -------------------------------------------------------------------------------- HOWELL CORPORATION COMPUTATION OF EARNINGS PER SHARE (Unaudited) - -------------------------------------------------------------------------------- 	 Three Months Ended June 30, Six Months Ended June 30, --------------------------- ------------------------- 	 1997 1996	 1997	 1996 ---- ---- ---- ---- 	 (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 from continuing operations	 $ 639	$1,796	 $1,583 $2,999 Subtract - Dividend to preferred shareholders	604	 604	 1,208 1,208 ------ ------ ------ ------ Net earnings from continuing operations, as adjusted		 $ 35	$1,192	 $ 375 $1,791 ====== ====== ====== ====== Discontinued operations: 	Net earnings (loss) from Howell Hydrocarbons 	 (less applicable income taxes) $ 0	$ (247)	 $ 458 $ (255) ====== ====== ====== ====== Weighted average number of common shares outstanding				 5,020	 4,935		 5,003 4,935 ====== ====== ====== ====== Earnings (loss) per share - assuming no dilution (a): Continuing operations		 $ 0.01	$ 0.24	 $ 0.08 $ 0.36 Discontinued operations		 0.00	 (0.05)		 0.09 (0.05) 	 ------ ------ ------ ------ 	Net earnings per share assuming no dilution $ 0.01	$ 0.19	 $ 0.17 $ 0.31 ====== ====== ====== ====== Additional Primary Computation - ------------------------------ Net earnings, as adjusted per primary computation above Continuing operations		 $ 35	$1,192	 $ 375 $1,791 ====== ====== ====== ====== Discontinued operations		 $ 0	$ (247)	 $ 458 $ (255) ====== ====== ====== ====== Adjustment to weighted average number of shares outstanding: Weighted average number of shares outstanding per primary computation above	 5,020	 4,935	 5,003 4,935 Add - Dilutive effect of outstanding options (as determined by application of the treasury stock method)			 176 97		 133 98 ------ ------ ------ ------ Weighted average number of shares outstanding, as adjusted			 5,196	 5,032		 5,136 5,033 ====== ====== ====== ====== Primary earnings per share, as adjusted (b): Continuing operations		 $ 0.01	$ 0.24	 $ 0.07 $ 0.36 Discontinued operations		 0.00	 (0.05)	 0.09 (0.05) ------ ------ ------ ------ Net earnings per share		 $ 0.01	$ 0.19	 $ 0.16 $ 0.31 ====== ====== ====== ====== 	 Three Months Ended June 30, Six Months Ended June 30, 	 1997 1996	 1997	 1996 ---- ---- ---- ---- 	 (In thousands, except per share amounts) FULLY DILUTED EARNINGS PER SHARE Computation for Statement of Earnings - ------------------------------------- Net earnings, as adjusted per primary computation above Continuing operations		 $ 35	$1,192	 $ 375 $1,791 ====== ====== ====== ====== Discontinued operations		 $ 0	$ (247)	 $ 458 $ (255) ====== ====== ====== ====== Weighted average number of common shares outstanding, per primary computation above	 5,020	 4,935	 5,003 4,935 ====== ====== ====== ====== Earnings (loss) per share assuming full dilution (a): Continuing operations		 $ 0.01	$ 0.24	 $ 0.08 $ 0.36 Discontinued operations		 0.00	 (0.05)	 0.09 (0.05) ------ ------ ------ ------ Net earnings per share assuming full dilution (a) $ 0.01	$ 0.19	 $ 0.17 $ 0.31 ====== ====== ====== ====== Additional Fully Diluted Computation - ------------------------------------ Additional adjustment to net earnings, as adjusted per fully diluted computation above: Net earnings, as adjusted per fully diluted computation above from continuing operations $ 35	$1,192 $ 375 $1,791 Add - Dividend to preferred shareholders	 604	 604	 1,208 1,208 ------ ------ ------ ------ Net earnings from continuing operations, as adjusted		 $ 639 $1,796	 $1,583 $2,999 ====== ====== ====== ====== Discontinued operations: Net earnings from Howell Hydrocarbons (less applicable income taxes)		 $ 0	$ (247)	 $ 458 $ (255) ====== ====== ====== ====== Additional adjustment to weighted average number of shares outstanding: Weighted average number of shares outstanding, per fully diluted computation above	 5,020	 4,935	 5,003 4,935 Add - Dilutive effect of outstanding options (as determined by the application of the treasury stock method)			 176	 97		 133 98 Shares issuable from assumed exercise of convertible preferred stock		 2,091	 2,091	 2,091 2,091 ------ ------ ------ ------ Weighted average number of common shares, as adjusted			 7,287	 7,123		 7,227 7,124 ====== ====== ====== ====== Fully diluted earnings (loss) per share: Continuing operations		 $ 0.09	$ 0.25	 $ 0.22 $ 0.42 Discontinued operations		 0.00	 (0.03)		 0.06 (0.04) ------ ------ ------ ------ Fully diluted earnings per share (c)		 $ 0.09	$ 0.22	 $ .28 $ .38 ====== ====== ====== ====== (a) These amounts agree with the reported amounts on the statements of earnings. (b) 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%. (c) 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.