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Earnings Per Share
3 Months Ended
Mar. 31, 2021
Earnings Per Share [Abstract]  
Earnings Per Share Earnings Per Share
Basic earnings per share (“EPS”) amounts are computed by dividing earnings, after the deduction of preferred stock dividends declared, by the average number of common shares outstanding. Diluted EPS amounts assume the issuance of common stock for all potentially dilutive share equivalents outstanding.
The information used to compute basic and diluted EPS attributable to Howmet common shareholders was as follows (shares in millions):
First quarter ended
 March 31,
 20212020
Net income from continuing operations attributable to common shareholders$80 $153 
Income from discontinued operations— 62 
Net income attributable to common shareholders80 215 
Less: preferred stock dividends declared
Net income available to Howmet Aerospace common shareholders - basic and diluted$79 $214 
Average shares outstanding - basic434 435 
Effect of dilutive securities:
Stock options
Stock and performance awards
Average shares outstanding - diluted439 440 
Common stock outstanding at March 31, 2021 and 2020 was 434 and 436, respectively.
The following shares were excluded from the calculation of average shares outstanding – diluted as their effect was anti-dilutive (shares in millions):
First quarter ended
 March 31,
 20212020
Stock options(1)
(1)The weighted average exercise price per share of options excluded from diluted EPS was $31.86 and $27.65 as of March 31, 2021 and 2020, respectively.