EXHIBIT 11 COMPUTATION OF PER SHARE EARNINGS 1995 1994 1993 ---- ---- ---- Net Income ($000) $451,073 $113,510 $50,043 Weighted Average Common Shares Outstanding 69,940,397 69,954,082 69,740,458 Earnings Per Share $6.45 $1.62 $0.72 Weighted Average Common Shares Outstanding Including Common Stock Equivalents - Primary Basis 70,569,537 70,325,502 70,048,604 Primary Earnings Per Share $6.39 $1.61 $0.71 Weighted Average Common Shares Outstanding Including Common Stock Equivalents - Fully Diluted Basis 70,569,537 70,326,104 70,189,459 Fully Diluted Earnings Per Share $6.39 $1.61 $0.71