EXHIBIT 11 ARMCO INC COMPUTATION OF INCOME PER COMMON SHARE (Dollars and shares in millions, except per share amounts) Three Months Ended Six Months Ended PRIMARY June 30, June 30, ------------------------------------------------------------------------------- 1995 1994 1995 1994 ------------------------------------------------------------------------------- Net income $ 35.9 $ 69.9 $ 38.3 $ 42.7 Preferred stock dividends (4.4) (4.4) (8.9) (8.9) ------------------------------------------------------------------------------- Net income applicable to common stock $ 31.5 $ 65.5 $ 29.4 $ 33.8 ------------------------------------------------------------------------------- Weighted average number of common shares 106.0 104.5 105.8 104.3 Weighted average number of common equivalent shares 0.2 0.1 0.2 0.1 ------------------------------------------------------------------------------- Average common shares outstanding as adjusted 106.2 104.6 106.0 104.4 ------------------------------------------------------------------------------- Net income per common share $ 0.30 $ 0.63 $ 0.28 $ 0.32 FULLY DILUTED* ------------- Net income $ 35.9 $ 69.9 $ 38.3 $ 42.7 Preferred stock dividends - - - - ------------------------------------------------------------------------------- Net income applicable to common stock $ 35.9 $ 69.9 $ 38.3 $ 42.7 ------------------------------------------------------------------------------- Weighted average number of common shares 106.0 104.5 105.8 104.3 Weighted average number of common equivalent shares 0.1 0.1 0.2 0.1 Weighted average number of preferred shares on an "if converted" basis 22.7 22.7 22.7 22.7 ------------------------------------------------------------------------------- Average common shares outstanding as adjusted 128.8 127.3 128.7 127.1 ------------------------------------------------------------------------------- Net income per common share $ 0.28 $ 0.55 $ 0.30 $ 0.34 Shares of stock outstanding at June 30 Common 106.1 104.6 Preferred - $2.10 Class A 1.7 1.7 Preferred - $3.625 Class A 2.7 2.7 Preferred - $4.50 Class B 1.0 1.0 <FN> * Calculation of fully diluted income per share for each of the six month periods is submitted in accordance with Securities Exchange Act of 1934 Release No. 9083, although it is contrary to paragraph 40 of APB Opinion No. 15 because it produces an antidilutive result, or is not required by footnote 2 to paragraph 14 of APB Opinion No. 15 because it results in dilution of less than 3%.