EXHIBIT 11 COMPUTATION OF PER SHARE EARNINGS Quarter Ended Six Months Ended June 30, June 30, --------------------------- -------------------------- 1995 1994 1995 1994 ---- ---- ---- ---- Net Income ($000) $133,151 $25,906 $238,158 $33,458 Weighted Average Common Shares Outstanding 70,074,370 69,935,085 70,055,541 69,919,177 Earnings Per Share $1.90 $0.37 $3.40 $0.48 Weighted Average Common Shares Outstanding Including Common Stock Equivalents - Primary Basis 70,680,077 70,236,072 70,596,801 70,263,026 Primary Earnings Per Share $1.88 $0.37 $3.37 $0.48 Weighted Average Common Shares Outstanding Including Common Stock Equivalents - Fully Diluted Basis 70,917,939 70,239,987 70,899,110 70,263,026 Fully Diluted Earnings Per Share $1.88 $0.37 $3.36 $0.48