SNYDER OIL CORPORATION COMPUTATION OF NET INCOME PER SHARE FOR THE YEARS ENDED DECEMBER 31, 1991, 1992 AND 1993 (In thousands except per share data) Year Ended December 31, 1991 1992 1993 Income before accounting change and extraordinary item $8,811 $16,875 $27,608 Cumulative effect of change in accounting for taxes 0 3,763 0 Extraordinary item-early extinguishment of debt 0 0 (1,944) Net income 8,811 20,638 25,664 Dividends on preferred stock (453) (4,800) (9,100) Net income available to common $8,358 $15,838 $16,564 Weight average shares outstanding 22,839 22,722 23,096 Add common stock equivalents 705 6,823 10,389 Weight average common stock and equivalents outstanding 23,544 29,545 33,486 Primary net income per share: Income before accounting change and extraordinary item $.39 $.74 $1.19 Cumulative effect of change in accounting for taxes 0 .17 0 Extraordinary item-early extinguishment of debt 0 0 (.08) Net income .39 .91 1.11 Dividends on preferred stock (.02) (.21) (.39) Net income available to common $.37 $.70 $.72 Fully diluted net income per share: Income before accounting change and extraordinary item $.37 $.57 $.82 Cumulative effect of change in accounting for taxes 0 .13 0 Extraordinary item-early extinguishment of debt 0 0 (.05) Net income .37 .70 .77 Dividends on preferred stock 0 0 0 Net income available to common $.37 $.70 $.77