1 EXHIBIT 11 ROCKWELL INTERNATIONAL CORPORATION COMPUTATION OF EARNINGS PER SHARE FOR THE FIVE YEARS ENDED SEPTEMBER 30, 1996 FISCAL YEAR ENDED SEPTEMBER 30, -------------------------------------------------- 1996 1995 1994 1993 1992 ------ ------ ------ ------ ------ (IN MILLIONS, EXCEPT PER SHARE AMOUNTS) PRIMARY EARNINGS PER SHARE: Income from continuing operations before change in accounting....................................... $555.0 $493.0 $351.0 $302.0 $243.0 Deduct dividend requirements on preferred stock.... 0.2 0.2 0.3 0.3 0.3 ------ ------ ------ ------ ------ Total primary earnings from continuing operations before change in accounting... $554.8 $492.8 $350.7 $301.7 $242.7 ====== ====== ====== ====== ====== Average number of common shares outstanding during the year......................................... 217.6 217.2 220.5 219.8 223.6 ====== ====== ====== ====== ====== Primary earnings per share from continuing operations before change in accounting........... $ 2.55 $ 2.27 $ 1.59 $ 1.37 $ 1.09 Primary earnings per share from discontinued operations before change in accounting........... 0.79 1.15 1.28 1.18 1.07 Cumulative effect of change in accounting for retirement medical benefits...................... -- -- -- -- (6.78)* ------ ------ ------ ------ ------ Net primary earnings (loss) per share.............. $ 3.34 $ 3.42 $ 2.87 $ 2.55 $(4.62) ====== ====== ====== ====== ====== FULLY DILUTED EARNINGS PER SHARE: Income from continuing operations before change in accounting....................................... $555.0 $493.0 $351.0 $302.0 $243.0 ====== ====== ====== ====== ====== Average number of common shares outstanding during the year: Common stock..................................... 217.6 217.2 220.5 219.8 223.6 Assumed issuance of stock under award plans and conversion of preferred stock and convertible debentures.................................... 3.5 3.9 4.0 4.5 2.5 ------ ------ ------ ------ ------ Total shares, assuming full dilution........ 221.1 221.1 224.5 224.3 226.1 ====== ====== ====== ====== ====== Fully diluted earnings per share from continuing operations before change in accounting........... $ 2.51 $ 2.23 $ 1.56 $ 1.35 $ 1.08 Fully diluted earnings per share from discontinued operations before change in accounting........... 0.77 1.13 1.26 1.16 1.06 Cumulative effect of change in accounting for retirement medical benefits...................... -- -- -- -- (6.70)* ------ ------ ------ ------ ------ Net fully diluted earnings (loss) per share........ $ 3.28 $ 3.36 $ 2.82 $ 2.51 $(4.56) ====== ====== ====== ====== ====== - --------------- * The per share amounts pertaining to the cumulative effect of change in accounting in 1992 were computed using average outstanding shares for the second quarter, which approximate full year 1992 average outstanding shares.