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Earnings per share | 12 Months Ended
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Dec. 31, 2021
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Earnings per share | Note 25 – Earnings per share a) Basic earnings per share Net income attributable to ITAÚ UNIBANCO HOLDING’s shareholders is divided by the average number of outstanding shares in the period, excluding treasury shares.
|  | 01/01 to 12/31/2021 |  |  | 01/01 to 12/31/2020 |  |  | 01/01 to 12/31/2019 |
Net income attributable to owners of the parent company |  |  | 26,760 |  |  |  | 18,896 |  |  |  | 27,113 |
Minimum non-cumulative dividends on preferred shares |  |  | (106 | ) |  |  | (106 | ) |  |  | (105 | )
Retained earnings to be distributed to common equity owners in an amount per share equal to the minimum dividend payable to preferred equity owners |  |  | (109 | ) |  |  | (109 | ) |  |  | (109 | )
Retained earnings to be distributed, on a pro rata basis, to common and preferred equity owners: |  |  |  |  |  |  |  |  |  |  |  |
Common |  |  | 13,462 |  |  |  | 9,491 |  |  |  | 13,693 |
Preferred |  |  | 13,083 |  |  |  | 9,190 |  |  |  | 13,206 |
Total net income available to equity owners: |  |  |  |  |  |  |  |  |  |  |  |
Common |  |  | 13,571 |  |  |  | 9,600 |  |  |  | 13,802 |
Preferred |  |  | 13,189 |  |  |  | 9,296 |  |  |  | 13,311 |
Weighted average number of outstanding shares |  |  |  |  |  |  |  |  |  |  |  |
Common |  |  | 4,958,290,359 |  |  |  | 4,958,290,359 |  |  |  | 4,958,290,359 |
Preferred |  |  | 4,818,741,579 |  |  |  | 4,801,324,161 |  |  |  | 4,781,855,588 |
Basic earnings per share – R$ |  |  |  |  |  |  |  |  |  |  |  |
Common |  |  | 2.74 |  |  |  | 1.94 |  |  |  | 2.78 |
Preferred |  |  | 2.74 |  |  |  | 1.94 |  |  |  | 2.78 |
b) Diluted earnings per share Calculated similarly to the basic earnings per share; however, it includes the conversion of all preferred shares potentially dilutable in the denominator.
|  | 01/01 to 12/31/2021 |  |  | 01/01 to 12/31/2020 |  |  | 01/01 to 12/31/2019 |
Net income available to preferred equity owners |  |  | 13,189 |  |  |  | 9,296 |  |  |  | 13,311 |
Dividends on preferred shares after dilution effects |  |  | 75 |  |  |  | 41 |  |  |  | 64 |
Net income available to preferred equity owners considering preferred shares after the dilution effect |  |  | 13,264 |  |  |  | 9,337 |  |  |  | 13,375 |
Net income available to ordinary equity owners |  |  | 13,571 |  |  |  | 9,600 |  |  |  | 13,802 |
Dividend on preferred shares after dilution effects |  |  | (75 | ) |  |  | (41 | ) |  |  | (64 | )
Net income available to ordinary equity owners considering preferred shares after the dilution effect |  |  | 13,496 |  |  |  | 9,559 |  |  |  | 13,738 |
Adjusted weighted average of shares |  |  |  |  |  |  |  |  |  |  |  |
Common |  |  | 4,958,290,359 |  |  |  | 4,958,290,359 |  |  |  | 4,958,290,359 |
Preferred |  |  | 4,873,042,114 |  |  |  | 4,843,233,835 |  |  |  | 4,826,925,107 |
Preferred |  |  | 4,818,741,579 |  |  |  | 4,801,324,161 |  |  |  | 4,781,855,588 |
Incremental as per share-based payment plans |  |  | 54,300,535 |  |  |  | 41,909,674 |  |  |  | 45,069,519 |
Diluted earnings per share – R$ |  |  |  |  |  |  |  |  |  |  |  |
Common |  |  | 2.72 |  |  |  | 1.93 |  |  |  | 2.77 |
Preferred |  |  | 2.72 |  |  |  | 1.93 |  |  |  | 2.77 |
There was no potentially antidulitive effect of the shares in share-based payment plans, in all periods.

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