EXHIBIT 11.1 COMPUTATION OF PER SHARE EARNINGS Three-Month, Six-Month, and Twelve-Month Periods Ended June 30, 1996 Fully Three Months Ended June 30, 1996: Primary Diluted ================================= ========== ========== Weighted Average Number of Shares: Average Common Shares Outstanding at June 30, 1996 61,234,350 61,234,350 Dilutive Effect for Nonqualified Stock Options at June 30, 1996 342,993 406,438 ---------- ---------- Weighted Average Shares at June 30, 1996 61,577,343 61,640,788 ========== ========== Net Income to Be Used to Compute Earnings Per Average Common Share: (Dollars in thousands) Net Income $ 23,429 $ 23,429 Dividend Requirements on Preferred Shares 0 0 ---------- ---------- Balance Available for Common Shareholders $ 23,429 $ 23,429 ========== ========== Earnings Per Average Common Share $ 0.38(a) $ 0.38(a) ========== ========== Fully Six Months Ended June 30, 1996: Primary Diluted =============================== ========== ========== Weighted Average Number of Shares: Average Common Shares Outstanding at June 30, 1996 61,649,509 61,649,509 Dilutive Effect for Nonqualified Stock Options at June 30, 1996 364,434 406,438 ---------- ---------- Weighted Average Shares at June 30, 1996 62,013,943 62,055,947 ========== ========== Net Income to Be Used to Compute Earnings Per Average Common Share: (Dollars in thousands) Net Income $ 90,915 $ 90,915 Dividend Requirements on Preferred Shares 119 119 ---------- ---------- Balance Available for Common Shareholders $ 90,796 $ 90,796 ========== ========== Earnings Per Average Common Share $ 1.46(a) $ 1.46(a) ========== ========== Fully Twelve Months Ended June 30, 1996: Primary Diluted ================================== ========== ========== Weighted Average Number of Shares: Average Common Shares Outstanding at June 30, 1996 62,219,569 62,219,569 Dilutive Effect for Nonqualified Stock Options at June 30, 1996 278,995 406,438 ---------- ---------- Weighted Average Shares at June 30, 1996 62,498,564 62,626,007 ========== ========== Net Income to Be Used to Compute Earnings Per Average Common Share: (Dollars in thousands) Net Income $ 179,101 $ 179,101 Dividend Requirements on Preferred Shares 1,651 1,651 ---------- ---------- Balance Available for Common Shareholders $ 177,450 $ 177,450 ========== ========== Earnings Per Average Common Share $ 2.84(a) $ 2.83(a) ========== ========== <FN> Note: (a) This calculation is submitted in accordance with regulation S-K item 601(b)(11) although not required by footnote 2 to paragraph 14 of APB Opinion No. 15 because it results in dilution of less than 3%.