EXHIBIT 11 MGIC INVESTMENT CORPORATION AND SUBSIDIARIES STATEMENT RE COMPUTATION OF NET INCOME PER SHARE Three and Six Month Periods Ended June 30, 2002 and 2001 Three Months Ended Six Months Ended June 30, June 30, --------------------- --------------------- 2002 2001 2002 2001 --------- --------- --------- --------- (In thousands of dollars, except per share data) BASIC EARNINGS PER SHARE Average common shares outstanding 105,181 107,111 105,733 106,997 ========= ========= ========= ========= Net income $ 170,936 $ 161,218 $ 340,123 $ 319,142 ========= ========= ========= ========= Basic earnings per share $ 1.63 $ 1.51 $ 3.22 $ 2.98 ========= ========= ========= ========= DILUTED EARNINGS PER SHARE Adjusted shares outstanding: Average common shares outstanding 105,181 107,111 105,733 106,997 Net shares to be issued upon exercise of dilutive stock options after applying treasury stock method 740 991 737 957 --------- --------- --------- --------- Adjusted shares outstanding 105,921 108,102 106,470 107,954 ========= ========= ========= ========= Net income $ 170,936 $ 161,218 $ 340,123 $ 319,142 ========= ========= ========= ========= Diluted earnings per share $ 1.61 $ 1.49 $ 3.19 $ 2.96 ========= ========= ========= =========