EXHIBIT 11 GIANT INDUSTRIES, INC. AND SUBSIDIARIES COMPUTATION OF PER SHARE DATA Three Months Ended Six Months Ended June 30, June 30, ------------------------- ------------------------- 1997 1996 1997 1996 ----------- ----------- ----------- ----------- Earnings from continuing operations $ 5,675,000 $ 8,693,000 $ 6,799,000 $11,018,000 Discontinued operations, net (72,000) 7,000 ----------- ----------- ----------- ----------- Net earnings $ 5,675,000 $ 8,621,000 $ 6,799,000 $11,025,000 =========== =========== =========== =========== Weighted average number of shares outstanding during the period 11,070,954 11,260,319 11,084,336 11,255,853 =========== =========== =========== =========== Earnings per common share: Continuing operations $ 0.51 $ 0.77 $ 0.61 $ 0.98 Discontinued operations ----------- ----------- ----------- ----------- Net earnings $ 0.51 $ 0.77 $ 0.61 $ 0.98 =========== =========== =========== =========== Additional Primary Computation - ------------------------------ Earnings from continuing operations $ 5,675,000 $ 8,693,000 $ 6,799,000 $11,018,000 Discontinued operations, net (72,000) 7,000 ----------- ----------- ----------- ----------- Net earnings $ 5,675,000 $ 8,621,000 $ 6,799,000 $11,025,000 =========== =========== =========== =========== Additional adjustment to weighted average number of shares outstanding: Weighted average number of shares outstanding above 11,070,954 11,260,319 11,084,336 11,255,853 Add - dilutive effect of outstanding options(a) 102,465 125,722 107,038 111,090 ----------- ----------- ----------- ----------- Weighted average number of shares outstanding as adjusted 11,173,419 11,386,041 11,191,374 11,366,943 =========== =========== =========== =========== Earnings per common share:(b) Continuing operations $ 0.51 $ 0.76 $ 0.61 $ 0.97 Discontinued operations ----------- ----------- ----------- ----------- Net earnings $ 0.51 $ 0.76 $ 0.61 $ 0.97 =========== =========== =========== =========== /TABLE GIANT INDUSTRIES, INC. AND SUBSIDIARIES COMPUTATION OF PER SHARE DATA Three Months Ended Six Months Ended June 30, June 30, ------------------------- ------------------------- 1997 1996 1997 1996 ----------- ----------- ----------- ----------- Fully Diluted Computation - ------------------------- Earnings from continuing operations $ 5,675,000 $ 8,693,000 $ 6,799,000 $11,018,000 Discontinued operations, net (72,000) 7,000 ----------- ----------- ----------- ----------- Net earnings $ 5,675,000 $ 8,621,000 $ 6,799,000 $11,025,000 =========== =========== =========== =========== Additional adjustment to weighted average number of shares outstanding: Weighted average number of shares outstanding above 11,070,954 11,260,319 11,084,336 11,255,853 Add - dilutive effect of outstanding options(a) 125,709 127,019 125,709 129,443 ----------- ----------- ----------- ----------- Weighted average number of shares outstanding as adjusted 11,196,663 11,387,338 11,210,045 11,385,296 =========== =========== =========== =========== Earnings per common share:(b) Continuing operations $ 0.51 $ 0.76 $ 0.61 $ 0.97 Discontinued operations ----------- ----------- ----------- ----------- Net earnings $ 0.51 $ 0.76 $ 0.61 $ 0.97 =========== =========== =========== =========== (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%.