EXHIBIT 11 Statement re: Computation of Per Share Earnings (In thousands, except per share data) Three Months Nine Months Ended September 30 Ended September 30 1997 1996 1997 1996 Primary Net income $168,578 $155,588 $495,070 $458,104 Average common shares outstanding 211,584 223,178 214,517 224,528 Average common share equivalents outstanding <F1> : Stock options 1,636 1,352 1,524 1,361 Restricted sock (1,549) (1,847) (1,575) (1,850) Average primary common shares 211,671 222,683 214,466 224,039 Earnings per common share - Primary $ 0.80 $ 0.70 $ 2.31 $ 2.04 Fully Diluted Net income $168,578 $155,588 $495,070 $458,104 Average common shares outstanding 211,584 223,178 214,517 224,528 Average common share equivalents outstanding <F1> : Stock options 1,672 1,372 1,555 1,380 Restricted sock (1,549) (1,847) (1,564) (1,847) Average fully diluted common shares 211,707 222,703 214,508 224,061 Earnings per common share - Fully Diluted $ 0.80 $ 0.70 $ 2.31 $ 2.04 <FN> <F1>Includes the incremental effect of stock options and restricted stock outstanding computed under the treasury stock method.