CORNING INC /NY | 2013 | FY | 3


18.      Earnings Per Common Share

Basic earnings per common share are computed by dividing income attributable to common shareholders by the weighted-average number of common shares outstanding for the period.  Diluted earnings per common share assumes the issuance of common shares for all potentially dilutive securities outstanding.

The reconciliation of the amounts used to compute basic and diluted earnings per common share from continuing operations follows (in millions, except per share amounts):

 
Years ended December 31,
 
2013
 
2012
 
2011
 
Net income
attributable
to Corning
Incorporated
 
Weighted-
average
shares
 
Per
share
amount
 
Net income
attributable
to Corning
Incorporated
 
Weighted-
average
shares
 
Per
share
amount
 
Net income
attributable
to Corning
Incorporated
 
Weighted-
average
shares
 
Per
share
amount
Basic earnings per common share
$1,961
 
1,452
 
$1.35
 
$1,636
 
1,494
 
$1.10
 
$2,817
 
1,562
 
$1.80
                                   
Effect of dilutive securities:
                                 
Employee stock options and awards
   
10
         
12
         
21
   
                                   
Diluted earnings per common share
$1,961
 
1,462
 
$1.34
 
$1,636
 
1,506
 
$1.09
 
$2,817
 
1,583
 
$1.78

The following potential common shares were excluded from the calculation of diluted earnings per common share because their inclusion would have been anti-dilutive (in millions):

 
Years ended December 31,
 
2013
 
2012
 
2011
           
Potential common shares excluded from the calculation of diluted earnings per share:
         
Employee stock options and awards
39
 
43
 
29
Accelerated share repurchase forward contract
3
       
Total
42
 
43
 
29


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