Exhibit 99.1

ITAÚ UNIBANCO HOLDING S.A.

CNPJ 60.872.504/0001-23 A Publicly Listed Company NIRE 35300010230

MATERIAL FACT

ITAÚ UNIBANCO HOLDING S.A. (“Company”) informs its stockholders that the Board of

Directors, which met on February 10, 2020, approved the payment, on March 6, 2020, of the following

earnings to stockholders based on the final stockholding position recorded on February 20, 2020:

a) complementary dividends in the amount of R$ 0.4832 per share; and

b) interest on capital (“IOC”) in the amount of R$ 0.5235 per share, with the retention of 15%

related to withholding income tax, resulting in a net interest of R$ 0.444975 per share, except

for the corporate stockholders that are able to prove that they are immune or exempt.

It also approved the payment of the IOC declared by the Board of Directors on November 28, 2019,

in the gross amount of R$ 0.037560 per share (net amount of R$ 0.031926 per share) on March 6,

2020 to stockholders based on the final stockholding position recorded on December 12, 2019.

Therefore, stockholders with stockholding positions on the dates mentioned above will receive

R$ 0.960101 per share (net of income tax) on March 6, 2020.

Taking into consideration the previously paid dividends and IOC as well as those to be paid on

March 6, 2020, both related to 2019, the amount is R$ 1.9270 per share (net of income tax), totaling

R$ 18.8 billion. The amount distributed is equivalent to 66.2% of the consolidated recurring net

income for 2019.

In case of doubt, please visit www.itau.com.br/investor-relations and follow the route: Contact IR >

Service.

São Paulo (SP), February 10, 2020.

ALEXSANDRO BROEDEL

Group Executive Finance Director and Head of Investor Relations

Note: The amounts of dividends and interest on equity are paid equally for common (ITUB3) and preferred

(ITUB4) shares.