EXHIBIT 11 MGIC INVESTMENT CORPORATION AND SUBSIDIARIES STATEMENT RE COMPUTATION OF NET INCOME PER SHARE Three and Nine Month Periods Ended September 30, 2000 and 1999 Three Months Ended Nine Months Ended September 30, September 30, -------------------------------- -------------------------------- 2000 1999 2000 1999 ---- ---- ---- ---- (In thousands of dollars, except per share data) BASIC EARNINGS PER SHARE Average common shares outstanding 106,334 108,533 106,036 108,863 ============= ============= ============= ============= Net income $ 146,355 $ 122,909 $ 409,678 $ 336,261 ============= ============= ============= ============= Basic earnings per share $ 1.38 $ 1.13 $ 3.86 $ 3.09 ============= ============= ============= ============= DILUTED EARNINGS PER SHARE Adjusted shares outstanding: Average common shares outstanding 106,334 108,533 106,036 108,863 Net shares to be issued upon exercise of dilutive stock options after applying treasury stock method 1,005 1,728 1,029 1,130 ------------- ------------- ------------- ------------- Adjusted shares outstanding 107,339 110,261 107,065 109,993 ============= ============= ============= ============= Net income $ 146,355 $ 122,909 $ 409,678 $ 336,261 ============= ============= ============= ============= Diluted earnings per share $ 1.36 $ 1.11 $ 3.83 $ 3.06 ============= ============= ============= =============