Exhibit 11 COMPUTATIONS OF PER SHARE EARNINGS Earnings per share are based on net income divided by the average number of shares outstanding including incremental shares from assumed conversions during the period. Three months ended December 31 - --------------------------------------------------------------------------- (Dollars and shares in thousands) 1998 1997 - --------------------------------------------------------------------------- Weighted average shares outstanding 251,860 252,692 Incremental shares from assumed conversions 195 493 ============================= Adjusted weighted average shares outstanding 252,055 253,185 ============================= Net income $68,492 $130,515 Earnings per share: Basic $0.27 $0.52 Diluted $0.27 $0.52