ITAÚ UNIBANCO - Material Fact: News Portal Change

Itaú Unibanco (NYSE:ITUB) announced on May 8, 2026 that it changed the official news portal for disclosure of material acts and facts to https://mzgroup.com.br/fatos-relevantes/, with a free-access section for disclosures.

Rhea-AI Summary

Itaú Unibanco (NYSE:ITUB) announced on May 8, 2026 that it changed the official news portal for disclosure of material acts and facts to https://mzgroup.com.br/fatos-relevantes/, with a free-access section for disclosures.

The company also resubmitted its Registration Form and Disclosure Policy to reflect the portal update and provided IR contact details for questions.

Argus May 8 session

+2.32% close to close 1.7x rel. volume Open Argus

Details

News Market Reaction – ITUB

On May 8, the day this news came out, ITUB closed 2.32% above the previous close. That session’s volume was 1.7x the stock’s average daily volume.

Data tracked by StockTitan Argus for the May 8 session.

Historical Context

5 past events · Latest: Apr 30

5 events

1. Apr 30

   Annual report filing

   24h Move

   +2.0%

   Filed 2025 Form 20-F and made audited statements available to investors.

2. Feb 26

   Capital distribution

   24h Move

   -2.3%

   Approved large interest on capital payment with detailed timetable and amounts.

3. Feb 04

   Results availability

   24h Move

   +2.2%

   Published full 2025 financials and 4Q25 MD&A with investor meeting scheduled.

4. Feb 04

   Forward guidance

   24h Move

   +2.2%

   Released detailed 2026 guidance ranges for growth, margins and credit costs.

5. Feb 04

   Buyback program

   24h Move

   +2.2%

   Announced buyback of up to 200M preferred shares using available reserves.

24h Move is the share-price change in the day after each event; other market factors may also have contributed.

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SAO PAULO, May 8, 2026 /PRNewswire/ -- Itaú Unibanco Holding S.A. ("Company") informs its shareholders and the market in general, pursuant to Article 3, Paragraph 4, item II, of CVM Resolution No. 44/21, that it has replaced the news portal webpage used for the disclosure of its material acts and facts. The Company will henceforth carry out such disclosures through the portal https://mzgroup.com.br/fatos-relevantes/, in a section available for free access.

The Company's Registration Form ("Formulário Cadastral") and its Policy for the Disclosure of Material Acts or Facts were resubmitted on this date, reflecting the update of the news portal used for disclosures.

If you have any questions, please visit www.itau.com.br/investor-relations and follow the path: Menu > Investor Services > Contact IR.

Gustavo Lopes Rodrigues
Investor Relations Officer

Itaú Unibanco – Comunicação Corporativa
(11) 5019-8880 / 8881
imprensa@itau-unibanco.com.br

View original content to download multimedia:https://www.prnewswire.com/news-releases/itau-unibanco---material-fact-news-portal-change-302766917.html

SOURCE Itaú Unibanco Holding S.A.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What change did Itaú Unibanco (ITUB) announce on May 8, 2026 about its news portal?

Itaú Unibanco moved its official disclosure portal to https://mzgroup.com.br/fatos-relevantes/. According to the company, the new portal will host material acts and facts in a section with free access and the Registration Form and Disclosure Policy were resubmitted to reflect this change.

Where can shareholders find Itaú Unibanco (ITUB) material facts after May 8, 2026?

Shareholders can access material facts at https://mzgroup.com.br/fatos-relevantes/. According to the company, the site includes a free-access section for disclosures and investors can also use the investor relations contact path on www.itau.com.br/investor-relations.

Did Itaú Unibanco (ITUB) update its Registration Form and Disclosure Policy on May 8, 2026?

Yes, the company resubmitted its Registration Form and Disclosure Policy on May 8, 2026. According to the company, these documents were updated to reflect the change in the official news portal used for material disclosures.

How can I contact Itaú Unibanco investor relations (ITUB) with questions about the portal change?

Use the investor relations contact path on www.itau.com.br/investor-relations or call the listed IR numbers. According to the company, follow Menu > Investor Services > Contact IR for phone, email, and specific contact details provided in the announcement.

Will Itaú Unibanco (ITUB) charge for access to its new material facts portal?

No charge is indicated; access is free. According to the company, the new portal section for material acts and facts is available for free access at https://mzgroup.com.br/fatos-relevantes/.