EXHIBIT 11 GIANT INDUSTRIES, INC. AND SUBSIDIARIES COMPUTATION OF PER SHARE DATA Three Months Ended March 31, -------------------------- 1997 1996 ----------- ----------- Earnings from continuing operations $ 1,124,000 $ 2,325,000 Earnings from discontinued operations 79,000 ----------- ----------- Net earnings $ 1,124,000 $ 2,404,000 =========== =========== Weighted average number of shares outstanding during the period 11,097,867 11,251,386 =========== =========== Earnings per common share: Continuing operations $ 0.10 $ 0.21 Discontinued operations - - ----------- ----------- Net earnings $ 0.10 $ 0.21 =========== =========== Additional Primary Computation - ------------------------------ Earnings from continuing operations $ 1,124,000 $ 2,325,000 Earnings from discontinued operations 79,000 ----------- ----------- Net earnings $ 1,124,000 $ 2,404,000 =========== =========== Additional adjustment to weighted average number of shares outstanding: Weighted average number of shares outstanding above 11,097,867 11,251,386 Add - dilutive effect of outstanding options(a) 111,612 96,457 ----------- ----------- Weighted average number of shares outstanding as adjusted 11,209,479 11,347,843 =========== =========== Earnings per common share:(b) Continuing operations $ 0.10 $ 0.21 Discontinued operations - - ----------- ----------- Net earnings $ 0.10 $ 0.21 =========== =========== GIANT INDUSTRIES, INC. AND SUBSIDIARIES COMPUTATION OF PER SHARE DATA Three Months Ended March 31, -------------------------- 1997 1996 ----------- ----------- Fully Diluted Computation - ------------------------- Earnings from continuing operations $ 1,124,000 $ 2,325,000 Earnings from discontinued operations 79,000 ----------- ----------- Net earnings $ 1,124,000 $ 2,404,000 =========== =========== Additional adjustment to weighted average number of shares outstanding: Weighted average number of shares outstanding above 11,097,867 11,251,386 Add - dilutive effect of outstanding options(a) 111,612 122,586 ----------- ----------- Weighted average number of shares outstanding as adjusted 11,209,479 11,373,972 =========== =========== Earnings per common share:(b) Continuing operations $ 0.10 $ 0.21 Discontinued operations - - ----------- ----------- Net earnings $ 0.10 $ 0.21 =========== =========== (a) As determined by the application of the treasury stock method. (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%.