EXHIBIT 11 CYPRUS AMAX MINERALS COMPANY & SUBSIDIARIES ------------- COMPUTATION OF PER SHARE EARNINGS (IN MILLIONS EXCEPT PER SHARE DATA) Three Months Six Months Ended June 30, Ended June 30, --------------- --------------- 1997 1996 1997 1996 ----- ----- ----- ----- Net Income $ 66 $ 53 $ 123 $ 115 Preferred Stock Dividends (5) (5) (9) (9) Income Applicable to Common Shares $ 61 $ 48 $ 114 $ 106 ===== ===== ===== ===== Primary: Average Common Shares Outstanding 93.4 93.2 93.4 93.2 ===== ===== ===== ===== Fully Diluted: Average Common Shares Outstanding 93.4 93.2 93.4 93.2 Common Stock Equivalents - Options/(1)/ .1 .1 .1 .1 Conversion of Series A Preferred Stock 9.6 9.6 9.6 9.6 ----- ----- ----- ----- Fully Diluted Average Common Shares Outstanding 103.1 102.9 103.1 102.9 ===== ===== ===== ===== Primary Earnings per Common Share $ .65 $ .52 $1.21 $1.13 Fully Diluted Earnings per Share $ .64 $ .51 $1.19 $1.12 /(1)/ Common stock equivalents are not included in primary earnings per share because they are less than three percent dilutive.