ITAÚ UNIBANCO - Material Fact: News Portal Change

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.

News Market Reaction – ITUB

+2.32%

+2.32% Session close to close

In the May 8 session, ITUB gained 2.32%, reflecting a moderate positive market reaction.

Data tracked by StockTitan Argus on the day of publication.

Market Context

This announcement updates the webpage used by Itaú Unibanco to disclose material acts and facts, mov...

Analysis

This announcement updates the webpage used by Itaú Unibanco to disclose material acts and facts, moving such communications to a new portal with free access. It also notes that the company’s Registration Form and disclosure policy were resubmitted to reflect this change. In the context of recent detailed 6‑K filings on results, capital and governance, this step underscores an emphasis on transparency. Investors may focus on how consistently future material facts are posted and cross‑referenced through this new channel.

Historical Context

5 past events · Latest: Apr 30 (Positive)

Pattern 5 events

Date	Event	Sentiment	24h Move	Catalyst
Apr 30	Annual report filing	Positive	+2.0%	Filed 2025 Form 20-F and made audited statements available to investors.
Feb 26	Capital distribution	Positive	-2.3%	Approved large interest on capital payment with detailed timetable and amounts.
Feb 04	Results availability	Positive	+2.2%	Published full 2025 financials and 4Q25 MD&A with investor meeting scheduled.
Feb 04	Forward guidance	Positive	+2.2%	Released detailed 2026 guidance ranges for growth, margins and credit costs.
Feb 04	Buyback program	Positive	+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.

Pattern Detected

Recent fundamentally oriented announcements (guidance, results, filings, buyback) more often saw positive price reactions, with one divergence on a capital distribution event.

Recent Company History

Over the last few months, Itaú Unibanco has released several structurally important updates. On Feb 4, 2026, it issued 2026 guidance and detailed 4Q25 results, both followed by a +2.24% move. The same day, a new buyback program for up to 200,000,000 preferred shares also coincided with a +2.24% reaction. A large interest-on-capital declaration on Feb 26, 2026 saw a -2.27% move, while filing the 2025 Form 20-F on Apr 30, 2026 was followed by a +1.99% gain.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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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

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/.