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Earnings per Share (Tables)
12 Months Ended
Dec. 31, 2020
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Summary of Basic and Diluted Earnings per Share From Operations
Basic earnings per share from operations for the years ended December 31, 2018, 2019 and 2020, is calculated as follows:
 
   
2018
   
2019
   
2020
 
Profit attributable to ordinary shares
(In millions of Korean won)
  
645,571   
645,703   
700,889 
Weighted average number of ordinary shares outstanding
(In number of shares)
   245,049,466    245,171,283    245,207,307 
Basic earnings per share
(In Korean won)
   2,634    2,634    2,858 
Diluted earnings per share from operations is calculated by adjusting the weighted average number of ordinary shares outstanding to assume conversion of all dilutive potential ordinary shares. The Controlling Company has dilutive potential ordinary shares from convertible preferred stocks, stock options and other share-based payments.
 
Diluted earnings per share from operations for the years ended December 31, 2018, 2019 and 2020 is calculated as follows:
 
   
2018
   
2019
  
2020
 
Profit attributable to ordinary shares
(In millions of Korean won)
  
645,571   
645,703  
700,889 
Adjustment to net income attributable to ordinary shares
(In millions of Korean won)
   —      (157  —   
Diluted profit attributable to ordinary shares
(In millions of Korean won)
   645,571    645,546   700,889 
Number of dilutive potential ordinary shares outstanding
(In number of shares)
   1,163    70,267   69,598 
Weighted average number of ordinary shares outstanding
(In number of shares)
   245,050,629    245,241,550   245,276,905 
Diluted earnings per share
(In Korean won)
   2,634    2,632   2,858