Exhibit 99.1

ltau Unibanco Holding SA (B3  ITUB4 and ITUB3 and NYSE: ITUB) informs that it will disclose it's quarterly results on the Investor Relations website on May 04'h (Monday), after the closing of the stock markets in Brazil and the United States.

We have the pleasure of inviting you to participate in our teleconferences on May 051h (Tuesday) at the times listed below:

TELECONFERENCES SCHEDULE

PortugueseEnglish

09:00AM (EDT)

10:00 AM (Brasilia time)

10:30 AM (EDT)

11:30 AM (Brasilia Time)

Click  here to access the webcast Click  here to access the webcast

(55-11) 3181-5113 or

(55-11) 4349-6218 (in Brazil)

(1-844) 763-8273(toll free from USA) (1-412) 717-9223 (US global toll)

(44-20) 319-84884 (other Countries) (55-11) 3181-5113 or

(55-11) 4349-6218 (in Brazil)

Click  here and register in advance for the teleconference

Click  here and register in

advance for the teleconference

cess code: ltau Unibanco

These weblinks are also be available on our Investor Relations website: www.itau.com.br/investor-relations. Please note that broadcast is compatible with the latest version of the browser and any mobile device (iOS and Android)

PRESENTATION

Candido Bracher

President and CEO

Milton Maluhy Filho

Executive Vice President, CFO and CRO

Alexsandro Broedel

Executive Director, Group Head of Finance and IR

Renato Lulia  Jacob

Head of IR and Market Intelligence

The conference calls will also be archived in audio format on the same website. To access an audio replay of the conference calls, which will be available until May 11'h, 2020, dial (55

11) 3193-1012 or (55 11) 2820-4012. Access codes: 8193390# (call in Portuguese) and

1735790# (call in English). On the morning of the conference calls, the slide presentations will be available for viewing and downloading. If you have any technical issues, please contact Choruscall customer service at suporte@ccall.com.br.

investor.relations@itau-unibanco.com.br www.itau.com.br/investor-relations