EXHIBIT 11.1 ------------ THE PMI GROUP, INC. AND SUBSIDIARIES COMPUTATION OF NET INCOME PER SHARE Three Months Ended Six Months Ended June 30, June 30, 2001 2000 2001 2000 ------------ ---------- ----------- ----------- Basic net income per common share: Net income $ 75,197 $ 64,979 $ 146,728 $ 124,969 Average common shares outstanding 44,395 44,094 44,360 44,249 ------------ ---------- ----------- ----------- Basic net income per common share $ 1.69 $ 1.47 $ 3.31 $ 2.82 ============ ========== =========== =========== Diluted net income per common share: Net Income $ 75,197 $ 64,979 $ 146,728 $ 124,969 ------------ ---------- ----------- ----------- Average common shares outstanding 44,395 44,094 44,360 44,249 Net shares to be issued upon exercise of dilutive stock option after applying treasury stock method 1,013 642 895 500 ------------ ---------- ----------- ----------- Average shares outstanding 45,408 44,736 45,255 44,749 ------------ ---------- ----------- ----------- Diluted net income per common share $ 1.66 $ 1.45 $ 3.24 $ 2.79 ============ ========== =========== ===========