EXHIBIT 11 SOUTHERN NATIONAL CORPORATION AND SUBSIDIARIES COMPUTATION OF EARNINGS PER SHARE FOR THE PERIODS AS INDICATED (DOLLARS IN THOUSANDS, EXCEPT PER SHARE DATA) FOR THE THREE MONTHS FOR THE NINE MONTHS ENDED SEPTEMBER 30, ENDED SEPTEMBER 30, 1994 1993 1994 1993 PRIMARY EARNINGS PER SHARE: Weighted average number of common shares outstanding during the period................................................. 43,466,214 41,363,746 43,303,129 41,153,647 Add- Dilutive effect of outstanding options (as determined by application of treasury stock method).................... 388,029 739,316 405,804 813,672 Weighted average number of common shares, as adjusted......... 43,854,243 42,103,062 43,708,933 41,967,319 Income before cumulative effect of changes in accounting principles................................................. $ 28,013 $ 21,729 $ 80,944 $ 69,597 Less: cumulative effect of changes in accounting principles, net of income taxes....................... -- -- -- 27,217 Net income.................................................... 28,013 21,729 80,944 42,380 Less- Preferred dividend requirements.......................... 1,299 1,299 3,897 3,897 Income available for common shares............................ $ 26,714 $ 20,430 $ 77,047 $ 38,483 Primary earnings per share Income before cumulative effect of changes in accounting principles............................................ $ .61 $ .49 $ 1.76 $ 1.57 Less: cumulative effect of changes in accounting principles, net of income taxes..................... -- -- -- .65 Net income............................................... $ .61 $ .49 $ 1.76 $ .92 FULLY DILUTED EARNINGS PER SHARE: Weighted average number of common shares outstanding during the period................................................. 43,466,214 41,363,746 43,303,129 41,153,647 Add- Shares issuable assuming conversion of convertible preferred stock.......................................... 4,548,236 4,548,236 4,548,236 4,548,236 Dilutive effect of outstanding options (as determined by application of treasury stock method).................... 388,029 739,365 440,674 826,909 Weighted average number of common shares, as adjusted......... 48,402,479 46,651,347 48,292,039 46,528,792 Net income.................................................... $ 28,013 $ 21,729 $ 80,944 $ 42,380 Fully diluted earnings per share Income before cumulative effect of changes in accounting principles............................................... $ .58 $ .47 $ 1.68 $ 1.50 Less: cumulative effect of changes in accounting principles, net of income taxes....................... -- -- -- .59 Net income................................................. $ .58 $ .47 $ 1.68 $ .91