Itaú Unibanco Holding S.A.

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

MATERIAL FACT

Itaú Unibanco Holding S.A. (“Company" or “Itaú Unibanco”), in compliance with Article 157, Paragraph 4 of Law 6,404/76 and Resolution no. 44/21 of the Brazilian Securities and Exchange Commission, informs its stockholders and the market in general that as of this date it has released its revised projections for the year 2023 in accordance with the provision in item 03 (“Projections”) of the Reference Form.

It’s important to mention that, as of the third quarter of 2023, the Company considers in the management purposes a cost of capital of around 14.25% p.y.

Information on outlooks for the business, projections and operational and financial goals are solely forecasts, based on management’s current outlook in relation to the future of Itaú Unibanco. These expectations are highly dependent on market conditions, general economic performance of the country, of the sector and the international markets. Therefore, our effective results and performance may differ from those forecasted in this prospective information.

São Paulo, August 07^th, 2023

Renato Lulia Jacob

Group Head of Investor Relations and Market Intelligence