Exhibit 11
E. I. DU PONT DE NEMOURS AND COMPANY
CALCULATION OF EARNINGS PER SHARE
(Dollars in millions, except per share)
Years Ended December 31
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1999 1998 1997 1996 1995
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Net income less dividends on
preferred stock ....................... $ 7,680 $ 4,470 $ 2,395 $ 3,626 $ 3,283
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Average number of common shares
(excludes treasury stock and
the shares held by DuPont
Flexitrust) - Basic ................... 1,084,537,228 1,128,826,525 1,130,755,483 1,121,350,592 1,170,214,952
Shares assumed to be issued due
to stock options ...................... 13,433,101 16,520,503 19,047,967 18,472,163 13,193,507
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Adjusted average number of common
shares and share equivalents
- Diluted ............................. 1,097,970,329 1,145,347,028 1,149,803,450 1,139,822,755 1,183,408,459
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Earnings per share:
- Diluted ............................. $ 6.99 $ 3.90 $ 2.08 $ 3.18 $ 2.77
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- Basic ............................... $ 7.08 $ 3.96 $ 2.12 $ 3.23 $ 2.81
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