Exhibit No. 11(a) COMPUTATION FOR PRIMARY EARNINGS PER SHARE FOR THE THREE AND SIX MONTHS ENDED JUNE 30, 1996 AND 1995 (AMOUNTS IN MILLIONS EXCEPT FOR PER-SHARE DATA) UNAUDITED THREE MONTHS ENDED Six Months Ended JUNE 30 June 30 ------------------- ------------------ 1996 1995 1996 1995 ---- ---- ---- ---- Common Stock and Common Stock - ----------------------------- Equivalents ----------- Average number of common shares outstanding including shares issuable under stock options 37.2 37.6 37.3 37.6 ====== ====== ====== ====== Earnings Per Share from Continuing - ---------------------------------- Businesses ---------- Earnings from continuing businesses $30.6 $47.4 $66.9 $73.9 Less: Dividend requirement on Series A convertible preferred stock 4.4 4.7 8.8 9.4 Plus: Tax benefit on dividends paid on unallocated preferred shares 1.0 1.2 2.0 2.3 ------ ------ ------ ------ Earnings from continuing businesses $27.2 $43.9 $60.1 $66.8 ====== ====== ====== ====== Earnings from continuing businesses per share of common stock $ .73 $ 1.17 $ 1.61 $ 1.78 ====== ====== ====== ====== Net Earnings Per Share - ---------------------- Net earnings $30.6 $52.7 $66.9 $87.1 Less: Dividend requirement on Series A convertible preferred stock 4.4 4.7 8.8 9.4 Plus: Tax benefit on dividends applicable to unallocated preferred shares 1.0 1.2 2.0 2.3 ------ ------ ------ ------ Net earnings applicable to common stock $27.2 $49.2 $60.1 $80.0 ====== ====== ====== ====== Net earnings per share of common stock $ .73 $ 1.31 $ 1.61 $ 2.13 ====== ====== ====== ======