# EDGAR Filing Document

**Accession Number:** 0001132597
**File Stem:** 0001132597-26-000055
**Filing Date:** 2026-2
**Character Count:** 54598
**Document Hash:** bb24daf9b3a45a348460c40bc53ca7d8
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001132597-26-000055.hdr.sgml**: 20260205

**ACCESSION NUMBER**: 0001132597-26-000055

**CONFORMED SUBMISSION TYPE**: 6-K

**PUBLIC DOCUMENT COUNT**: 71

**CONFORMED PERIOD OF REPORT**: 20260204

**FILED AS OF DATE**: 20260205

**DATE AS OF CHANGE**: 20260205

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Itau Unibanco Holding S.A.
- **CENTRAL INDEX KEY:** 0001132597
- **STANDARD INDUSTRIAL CLASSIFICATION:** STATE COMMERCIAL BANKS [6022]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 000000000
- **STATE OF INCORPORATION:** D5
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 6-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-15276
- **FILM NUMBER:** 26602490

**BUSINESS ADDRESS:**
- **STREET 1:** PC. ALFREDO EGYDIO DE SOUZA ARANHA, 100
- **STREET 2:** TORRE AE, 3 ANDAR, CEP 04344-902
- **CITY:** SAO PAULO
- **STATE:** D5
- **ZIP:** 00000
- **BUSINESS PHONE:** 55-11-5019-1723

**MAIL ADDRESS:**
- **STREET 1:** PC. ALFREDO EGYDIO DE SOUZA ARANHA, 100
- **STREET 2:** TORRE AE, 3 ANDAR, CEP 04344-902
- **CITY:** SAO PAULO
- **STATE:** D5
- **ZIP:** 00000

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Itau Unibanco Banco Multiplo S.A.
- **DATE OF NAME CHANGE:** 20090226

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** BANCO ITAU HOLDING FINANCEIRA S A
- **DATE OF NAME CHANGE:** 20030319

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** BANCO ITAU SA
- **DATE OF NAME CHANGE:** 20010117

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| | |
|:---|:---|
| **UNITED STATES** | **UNITED STATES** |
| **SECURITIES AND EXCHANGE COMMISSION** | **SECURITIES AND EXCHANGE COMMISSION** |
| **Washington, D.C. 20549** | **Washington, D.C. 20549** |
| **FORM 6-K** | **FORM 6-K** |
| **Report of Foreign Issuer<br>Pursuant to Rule 13a-16 or 15d-16<br>of the Securities Exchange Act of 1934** | **Report of Foreign Issuer<br>Pursuant to Rule 13a-16 or 15d-16<br>of the Securities Exchange Act of 1934** |
| **Report of Foreign Issuer<br>Pursuant to Rule 13a-16 or 15d-16<br>of the Securities Exchange Act of 1934** | **Report of Foreign Issuer<br>Pursuant to Rule 13a-16 or 15d-16<br>of the Securities Exchange Act of 1934** |
| **Report of Foreign Issuer<br>Pursuant to Rule 13a-16 or 15d-16<br>of the Securities Exchange Act of 1934** | **Report of Foreign Issuer<br>Pursuant to Rule 13a-16 or 15d-16<br>of the Securities Exchange Act of 1934** |
| **For the month of February, 2026** | **For the month of February, 2026** |
| **Comission File Number: 001-15276** | **Comission File Number: 001-15276** |
| **Itaú Unibanco Holding S.A.** | **Itaú Unibanco Holding S.A.** |
| (Exact name of registrant as specified in its charter) | (Exact name of registrant as specified in its charter) |
| **Itaú Unibanco Holding S.A.** | **Itaú Unibanco Holding S.A.** |
| (Translation of Registrant's Name into English) | (Translation of Registrant's Name into English) |
| **Praça Alfredo Egydio de Souza Aranha, 100 - Torre Conceição** | **Praça Alfredo Egydio de Souza Aranha, 100 - Torre Conceição** |
| **CEP 04344-902 São Paulo, SP, Brazil<br>(Address of principal executive office)** | **CEP 04344-902 São Paulo, SP, Brazil<br>(Address of principal executive office)** |
| **CEP 04344-902 São Paulo, SP, Brazil<br>(Address of principal executive office)** | **CEP 04344-902 São Paulo, SP, Brazil<br>(Address of principal executive office)** |
| Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F. | Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F. |
| Form 20-F ☒ | &nbsp;&nbsp;&nbsp;&nbsp; Form 40-F ☐ |
| Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): | Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): |
| Yes ☐ | &nbsp;&nbsp;&nbsp;&nbsp;No ☒ |
| Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): | Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): |
| Yes ☐ | &nbsp;&nbsp;&nbsp;&nbsp;No ☒ |
| Indicate by check mark whether by furnishing the information contained in this Form, the registrant is also thereby furnishing information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934. | Indicate by check mark whether by furnishing the information contained in this Form, the registrant is also thereby furnishing information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934. |
| Yes ☐ | &nbsp;&nbsp;&nbsp;&nbsp;No ☒ |
| If "Yes" is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): | If "Yes" is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): |
| 82– __________________ | 82– __________________ |

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**EXHIBIT INDEX**

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| | |
|:---|:---|
| **99.1** | <u>[ITAÚ UNIBANCO - Announcement to the Market - 4th Quarter 2025 Result](announcementtothemarket-.htm)</u> |

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| |
|:---|
| &nbsp;&nbsp;Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Date: February 4, 2026. |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Itaú Unibanco Holding S.A.**<br>By: /s/ Gustavo Lopes Rodrigues<br>Name: Gustavo Lopes Rodrigues<br>Title: Investor Relations Officer. |

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## Exhibit 99.1

![](announcementtothemarket-001.jpg)

Announcement to the Market 4th Quarter 2025 Results Itaú Unibanco Holding S.A. ("Company") announces to the shareholders and to the market that the Complete Financial Statements for the Year Ended December 31, 2025, and the Management Discussion and Analysis for the 4th Quarter of 2025 are already available on the Investor Relations website (www.itau.com.br/investor-relations). Additionally, we forward the information described below: • Press Presentation on the quarterly results, scheduled for Thursday, 02/05/2026 at 07:00 a.m. (EST) / 09:00 a.m. (Brasília time) (Attachment 01); • Presentation of the interactive meeting on the quarterly results, scheduled for Thursday, 02/05/2026 at 08:00 a.m. (EST) / 10:00 a.m. (Brasília time) (Attachment 02); • Institutional Presentation of the 4th quarter of 2025 (Attachment 03). The expectations and tendencies presented are based on information available up to the moment and involve risks, uncertainties, and assumptions that may be beyond our control. This information reinforces our commitment to transparency in our disclosures to various strategic audiences. São Paulo - SP, February 04, 2026. Gustavo Lopes Rodrigues Investor Relations Officer

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Announcement to the Market Attachment 01 (portuguese only)

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Institutional Presentation

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With 101 years of history, we are the largest bank in Latin America\* Market Value¹ USD 93 bn Total Assets² BRL 3,096 bn Loan Portfolio² BRL 1,490.8 bn Recurring ROE³ 24.4% Efficiency Ratio in Brazil5 36.9% Employees in Brazil and overseas² 92.5 k We are the only Latin America bank making up the Dow Jones Sustainability Index since it was launched We are the most valuable brand4 in South America Recurring Managerial Result R$12.3 bn in 4Q25 95.2% Brazil\| 4.8% Latin America³ USD 9.9 bn (1) Market value in January 30, 2026. Source: Bloomberg; (2) On December 31, 2025; (3) In the 4nd quarter of 2025; (4) Brand Finance – Global 500 2026; (5) Last 12 months ending in December, 2025; Note: Loan Portfolio considers financial guarantees provided and private securities \*In total assets on December 31, 2025 and market share on January 30, 2026. We are obstinate to delight clients, through physical and digital services. We seek to transform ourselves whenever needed for sustainable growth We are a universal bank present in 18 countries with retail operations in Latin America 2

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4 1924 Casa Moreira Salles (Unibanco) opens the banking division in 1924 and the opening of Banco Central de Crédito (Itaú) in 1943 1960 First credit and debit cards Our ability to adapt, innovate and change has enabled us to get where we are now 1970 1980 2000 200220072008201220142019 2020 2022 2023 2024 One of the four top data processing centers in Brazil is set up 1979 Itautec is created Banking automation begins Technical Operations Center (CTO) is set up First bank with no physical branches in Brazil, the Banco1.net Acquisition of BBA gives rise to the largest investment bank in Brazil Mobile Banking in Brasil New Brazilian Payment System is set up First iPhone is launched Merger of Banco Itaú and Unibanco creates Brazil's largest private bank Itaú launches the first banking app Itaú announces a BRL11.1B investment in technology, innovation and client service Fintechs start to gain momentum Acquisition of ZUP speeds up digital transformation Change in regulation (PIX and Open Finance) • New product launched (Íon) • New client solutions developed • Checking account fees package optimization Itaú Shop is launched New Brand launching Made of Future Latest initiatives in the corporate development • Orbia • Avenue One Itaú Single login \| 2 apps SuperApp + Íon 1990 First Internet providers 1983 First ATM in Brazil Beyond banking is launched (iPhone pra Sempre) Corporate development • Ideal • TOTVS Itaú 100 years 2025 ICTi (Itaú Science and Technology Institute) Launching of the New Ad Campaign "Feito" Click Here for more Info Itaú Emps

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The values mentioned above for individuals refer to monthly income and the values for corporate refer to annual revenue, except when indicated. Itaú BBA is dedicated to companies with annual revenues above R$50 million. Depending on the industry and the specific needs of each client, Itaú BBA's segmentation may vary. We offer a complete ecosystem... Integrated systems enable the best and most complete experience allowing our customers full access to our solutions in a simple and tempestive manner. We work to offer a full digital operation delivering the best products and services for our clients with a very competitive cost to serve. 5 Up to BRL7k From BRL7k to BRL15 k Over BRL15k or more than BRL250k in total investments Personnalité Uniclass Itaú Branches Individuals Over BRL10 million in investments Private Bank Very Small and Small Companies Up to BRL50 million Middle Large Infrastructure and Energy Corporate Agribusiness

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6 Acquiring (Laranjinha) Digital wallets, contactless payment and more than 50 brands. Loans 100% online through the app or at the branches. Mortgage Exclusive service and support throughout the process. And many more solutions for our customers! ... with the most complete portfolio of financial products and services Payments Payments and Receivables done fast and safe. A gente trabalha para o cliente Auto Loans Vehicle financing 100% online. Insurance Complete portfolio through own and third-party products (open platform), with physical or digital service. Pension Plans / Premium Bonds No loading fee Pension Plans / Premium Bonds prize draw twice a month, monthly, and annually. Asset Management Investment advisory and app connected to news, wallets, clients' checking account and the support of the advisory team ((Ion). Investment Banking Specialized team dedicated to provide advisory in the capital markets. Derivatives We have the right solution for any scenario. Cash Management Complete cash management solution for institutional clientes. Currency Exchange Complete platform to support clients' travel needs, international payments and cash management. Payroll Loans Payment in fixed monthly installments, deducted directly from the paycheck. Credit Cards We have a card for each client profile. Bank Account Access to several services and benefits for Itaú customers. Fund Administration Complete portfolio through own and third-party products (open platform).

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We serve clients how, when and where they want to be served 2.5 k Branches In-Person 40.1 k ATMs In Brazil and in our Other Latin American¹ operations WhatsApp E-mail Telephone Chat Click to human Bankline Mobile banking 100% of the features in the App Our footprint is constantly optimized by our clients' behavior and needs Digital Interactions² in 4Q25 Corporate Remote Our clients choose how they want to be served... Individuals 97% (1) Chile, Colombia, Paraguay and Uruguay (2) It considers total financing contracts, transfers and payments made in all channels, except for cash. 99% 7

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![](announcementtothemarket-010.jpg)

• Our commitment: to serve our clients where, when and how they want to be served The client is the focus of everything we do • Access to the same type of service, independently of the channel Our team is obstinate in delighting clients... Robust innovation ecosystem based on clients needs ... and always pursue sustainable growth Broad coverage in measuring business NPS, as well as the experience of our products and services Structured feedback process focused on the evolution of our products and services Our clients' satisfaction is reflected in the high level of NPS from our digital application solutions ... that's why it's so important to listen to our clients Visits that connect leadership and frontliners in the whole country on a remote basis (1) Last 12 months. +145k¹ calls +1,123¹ Meetings between agency employees, aligned with learnings, aiming to improve the client experience +76k¹ Leaders calling to hear direct feedback from clients to understand their needs and potential improvement opportunities Products and Services The most complete product portfolio in the Brazilian financial sector, using data to provide the best offers • Freedom to choose the type of relationship: we are a digital bank with the advantage of in-person service 8

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9 Technology drives a new era of experience to our customers 99% Quality 2025 x 2018 increase in technology updates implemented reduction in UX high- impact incidents reduction in the cost of single transactions 2,606% Speed 2025 x 2018 45% Cost 2025 x 2018 Quality Method Artificial Intelligence Hyper personalization Efficiency Speed Design Excellence in user experience Data Integrated to our work methodology Products Proprietary methodologies Technology Modernized technology platform Clients + + AI-driven strategy that enhances efficiency and creates hyper- personalized journeys at scale 84% increase in the volume of generative AI initiatives in use at Itaú + increase in the volume of traditional machine learning models 34% Conversational generative AI solutions focused on clients (Pix on WhatsApp, Wealth Specialist and Itaú Emps) Itaú Intelligence 2025 x 2024 2025 x 2024 Open innovation ecosystem for continuous evolution Methodology composed of integrated disciplines that leverage business competitiveness and the creation of the best experiences

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![](announcementtothemarket-012.jpg)

10 Continuous investment in technology 4Q25 vs 2018 To optimize processes, to automatize activities, and to use data and analytics Ongoing activities and processes reviews to seek efficiency gains Strengthening culture > 2,500 Planned initiatives > 1.8 k We create value in a consistent way + 3x - 40% Solution development investments Infrastructure costs We are organized into multidisciplinary teams in the model of communities/tribes The communities are made of employees from different areas such commercial departments, technology, operations, UX, among others Team-work to understand our clients' needs and to offer what they need when they need them Digital and cultural transformation generates efficiency gains and competitiveness initiatives under implementation > 21k Employees > 2.9k Squads 47.1 44.0 41.2 39.9 39.5 38.8 45.0 42.0 39.1 37.9 37.7 36.9 49.4 43.0 41.4 40.3 40.7 38.9 47.0 40.7 39.1 38.1 38.4 36.9 4Q20 4Q21 4Q22 4Q23 4Q24 4Q25 Trailing 12-month Efficiency Ratio (%) Trailing 12-month Efficiency Ratio in Brazil (%) Quarterly Efficiency Ratio (%) Quarterly Efficiency Ratio in Brazil (%)

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11 ... with this, our ESG strategy has evolved! Our ESG Strategy is supported by a solid foundation of governance and conduct, focusing on three pillars of action: Climate transition Improve the resilience of our operations and deliver products and services that support clients in the transition to a low-carbon economy, with a focus on climate adaptation and mitigation. Sustainable finance Promote ESG integration into business strategies, through studies, advocacy, development of sustainable products and services and clients' engagement, with a focus on opportunities for a sustainable economy. Diversity and development Promote diversity and inclusion, fostering the social and financial development of people and companies in favor of a fairer and more prosperous country Governance and Conduct Our operations are built on a foundation of robust management and business practices. We maintain our operations guided by material issues, ensuring transparency in our reporting to the market and stakeholders.

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12 ESG strategic goals (1) Except financed emissions (category 15) and commuting (category 7). (2) Baseline: 2023. Commitment Net Zero by 2050 We are committed to becoming a carbon neutral bank by 2050 Reduce 50% Our operational emissions (Scopes 1, 2 and 3¹) by 2030² GHG emissions Carbon- intensive sectors Set targets and report progress in decarbonising priority carbon-intensive sectors to bring our portfolio into line with scenarios that limit climate change to 1.5°C Financed emissions With value propositions to drive businesses that contribute to the reduction of Greenhouse Gas (GHG) emissions and with increasingly efficient models in risk mitigation. We want to be the bank of climate transition for our clients

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13 Women 53.9% of employees by the end of 2024 Black 28.9% of employees by the end of 2024 Leadership positions Goal: 35% to 40% Location 96.7% employees in Brazil 3.3% in International units Hiring flow Goal: >50% Full time employees¹ Goal: 27% to 30% Hiring flow Goal: >40% A diverse team is essential to better understand and serve our clients Note: The indicators are included in our ESG Report 2024 and refer to December 2024. (1) Does not include apprentices and interns. (2) Considers Itaú Unibanco S.A. operations. (3) Based on self-declaration in the Diversity Census. ESG strategic goals for 2025 35.7% in 2024 52.3% in 2024 28.9% in 2024 39.1% in 2024 Workforce diversity profile in 2024 Other 5.1% people with disabilities² 13% LGBT+³ Gender Age 33.6% Under 30 years old 60.4% Between 30 and 50 years old 6.0% Over 50 years old Race Retention 50.1% at Itaú Unibanco for more than 5 years 30.9% for more than 10 years

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14 Financing in sectors with a positive impact of R$1 trillion by the end of 2030 Direct to lending and financing for the sustainable economy from 2020¹. (1) As of Jan/2025, new accounting criteria in line with advances in the sustainable finance taxonomy are considered. R$551 bn of total resources directed between Jan/20 and Nov/25 2020 2021 2022 2023 2024 2025 R$1 trillion Volume of resources in sustainable finance The sustainability of our performance is reinforced by our commitments to positive impact... ESG strategic goals

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15 ... and by the focus in sustainable value creation Average Cost of CapitalROE Recurring Managerial Result Value Creation Cost of Capital R$ bilhões 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 Increase of 12% in value creation 2025 x 2024

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16 4Q25 BRL30.9 bn Clients NII 1.5% 4Q25 vs. 3Q25 (BRL billion) 8.6% 4Q25 vs. 4Q24 We have been presenting higher revenue with a cost discipline... 19.9 24.2 26.3 28.5 4Q21 4Q22 4Q23 4Q24 4Q25 BRL15.6 bn Commissions and insurance 5.9% 4Q25 vs. 3Q25 (BRL billion) 9.1% 4Q25 vs. 4Q24 4Q25 BRL17.3 bn Non-interest expenses 1.0% 4Q25 vs. 3Q25 (BRL billion) 3.7% 4Q25 vs. 4Q24 4Q25 BRL12.3 bn Recurring managerial result 3.7% 4Q25 vs. 3Q25 (BRL billion) 13.2% 4Q25 vs. 4Q24 4Q25 BRL0.6 bn Market NII 33.9% 4Q25 vs. 3Q25 (BRL billion) 34.0% 4Q25 vs. 4Q24 4Q25 BRL9.4 bn Cost of Credit 2.8% 4Q25 vs. 3Q25 (BRL billion) 8.7% 4Q25 vs. 4Q24 1.3 0.7 0.8 0.9 4Q21 4Q22 4Q23 4Q24 6.2 9.8 9.2 8.6 4Q21 4Q22 4Q23 4Q24 11.9 12.5 13.5 14.3 4Q21 4Q22 4Q23 4Q24 13.4 14.6 15.3 16.7 4Q21 4Q22 4Q23 4Q24 7.2 7.7 9.4 10.9 4Q21 4Q22 4Q23 4Q24 Note: The 2025 results consider the application of Resolution 4,966.

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17 (1) Includes financial guarantees provided and private bonds; (2) Starting on 4Q24, 90 days NPL includes securities. Excluding the effect of credit sales (more details in the report "Management analysis of the operation and complete financial statements 4Q25"); (3) Deposits + Debentures + TVM Obligations + Loans and Transfers; From 4Q25, Repurchase Agreements involving third-party securities were incorporated. For better comparability, historical data has been reclassified. (4) LCR - Liquidity Coverage Ratio; (5) NSFR - Net Stable Funding Ratio. ...without overlooking risk management Credit Portfolio¹ 1,027 1,141 1,176 1,406 Dec-25 BRL 1,491 bn 6.3 % Dec-25 vs. Sep-25 6.0 % Dec-25 vs Dec-24 Dec-21 Dec-22 Dec-23 Dec-24 (BRL billion) 90 days NPL including securities 2.5 2.9 2.8 2.0 Dec-25² 1.9% 0.0 p.p. Dec-25 vs. Sep-25 Dec-21 Dec-22 Dec-23 Dec-24 (%) Funding3 1,121 1,251 1,346 1,557 Dec-25 BRL1,702 bn 8.3 % Dec-25 vs. Sep-25 9.3 % Dec-25 vs Dec-24 Dec-21 Dec-22 Dec-23 Dec-24 (BRL billion) LCR4 159 164 192 221 Dec-25 215.0% 3.7 p.p. Dec-25 vs. Sep-25 6.3 p.p. Dec-25 vs Dec-24 Dec-21 Dec-22 Dec-23 Dec-24 (%) NSFR5 121 125 127 122 Dec-25 124.8% 1.5 p.p. Dec-25 vs. Sep-25 2.8 p.p. Dec-25 vs Dec-24 Dec-21 Dec-22 Dec-23 Dec-24 (%) Tier I capital ratio 13.0 13.5 15.2 15.0 Dec-25 13.8% 1.0 p.p. Dec-25 vs. Sep-25 1.2 p.p. Dec-25 vs Dec-24 Dec-21 Dec-22 Dec-23 Dec-24 (%) 0.1 p.p. Dec-25 vs Dec-24

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18 One Itaú - one of the main levers in the short term to intensify relationships with our clients Individuals - More engagement and principality Insurance More than 20 products and services offered at our open platform and more than 15 partners Potential growth in the sector and increase penetration in our individual and corporate client base throughout own and third-party products Continue growing with leadership in the large corporate business in both credit and capital market solutions CorporateItaú Shop Exploring possible growth paths in different businesses Corporate development – guarantee the most complete portfolio of products and services Beyond banking - Solutions platform that goes beyond the banking needs of our clients Corporate - Strength of client relationship Increase of client base, mainly for lower-revenue clients, through a new commercial proposal focused on delivering a digital operation with a specific value offer (Itaú Emps)

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'' Income statement base for 2026 guidance (1) The consolidation of Avenue's results will occur in 1Q26, as a consequence of the acquisition of control occurred in January-26. (2) Insurance results represents the income from insurance, pension plan and premium bonds operations (-) expenses for claims (-) insurance, pension plan and premium bonds selling expenses. (3) Main reclassifications represent approximately 90% of total reclassifications. Changes in managerial classifications and the consolidation of Avenue's¹ results. 2 Main reclassifications³: • Expenses related to card network fee: From Non-interest Expenses to Commissions • Net margin from receivables discounting and cost of funding of automatic receivables discounting of the acquiring business: From Financial Margin with Clients to Commissions • Discount on loans in arrears up to 90 days overdue: From Financial Margin with Clients to Cost of Credit In R $ billio n 2025 as reported Reclassifications Avenue 2025 Adjusted Financial Margin with Clients 121.1 2.8 0.1 124.1 Financial margin with the market 3.3 - - 3.3 Cost of credit (36.6) (1.5) - (38.1) Commissions and Insurance Results 58.3 (2.8) 0.3 55.8 Non-interest expenses (66.8) 1.7 (0.5) (65.6) Tax expenses and other (10.8) (0.1) (0.0) (10.9) Income before tax and minority interests 68.6 0.1 (0.0) 68.6 Income before tax and minority interests (20.4) (0.1) 0.0 (20.5) Minority interests in subsidiaries (1.3) - 0.0 (1.3) Recurring managerial result 46.8 - - 46.8 Base for Guidance 2026 spreadsheet – Click here 19

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2026 Guidance Total credit portfolio¹ Credit portfolio - Brazil Financial margin with clients Cost of credit² Financial margin with the market Commissions and fees and results from insurance operations³ Non-interest expenses Effective tax rate 2026 Guidance 2026 Guidance uses the Adjusted Income Statement (income statement base for guidance) as the starting point Growth between 5.5% and 9.5% Growth between 6.5% and 10.5% Between 29.5% and 32.5% Growth between 1.5% and 5.5% Growth between 5.0% and 9.0% Between R$38.5 bn and R$43.5 bn Between R$2.5 bn and R$5.5 bn Growth between 5.0% and 9.0% (1) Includes financial guarantees provided and private securities; (2) Composed of expected loss expenses, discounts granted and recovery of loans written off as losses; (3) Commissions and fees (+) income from insurance, pension plan and premium bonds operations (-) expenses for claims (-) insurance, pension plan and premium bonds selling expenses. 20

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21 (11) 2794-3547 \| ri@itau-unibanco.com.br \| www.itau.com.br/relacoes-com-investidores/en/ Investor Relations

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Announcement to the Market Attachment 02

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São Paulo, February 5th, 2026

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2 19.3% 20.3% 21.0% 22.2% 23.4% 44.0% 41.2% 39.9% 39.5% 38.8% 17.5 20.6 23.3 24.8 28.3 9.3 10.2 12.3 16.6 18.5 26.9 30.8 35.6 41.4 46.8 2021 2022 2023 2024 2025 Structural evolution ROE Efficiency R$ billion (1) Figures before taxes. Includes shares repurchase of R$3 billion, related to 2024 results distribution. 2x +Value Creation 2021→ 2025 Managerial recurring results Value creation Cost of capital Results distribution¹ 2021→ 2025 >>> Accumulated payout¹ 57.9%R$105.0 billion 40% credit portfolio growth \| 2021→ 2025 Customer centricity Cultural and digital transformation Risk management culture Capital allocation discipline and focus on value creation Technological platform and data architecture modernization Cost and efficiency strategic management

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3 15 Acquiring transaction¹ volume in2025 Itaú in 2025 1700+ Iniciativas em produção com uso de GenAI INVESTORS million clients migrated to the Super App Individuals Open platform R$422 bn +15% YoY 3x top line expansion in the retail brokerage business since 2022 Satisfaction 12 new releases with a 4-5x faster speed: Pix in WhatsApp 'Piggy bank' (Cofrinhos) Credit limits management Investment as collateral for credit cards with 80 NPS points of satisfaction R$1 trillion QUALITY 2,606% increase in tech deployments 45% reduction in transactional unit cost EMPLOYEES R$4.1 trillion Asset under Management and Administration³ Technology in fixed income volume and distribution ranking² Investment banking leadership DCM highlights R$124 billion >> 26% market share in volume origination 1st place Creation of the infrastructure and energy segment, with dedicated teams Leadership in Eco Invest Brazil Highest fundraising among banks, enabling R$12 billion in investments Leadership in BNDES4 loans, FX, Derivatives, and supplier finance For the 2nd consecutive year, leadership in II Extel Brasil and winner in II Extel Latam (1) In credit and debit cards. (2) Source Anbima, 11M2025 YTD.(3) Assets under management and administration, including fiduciary administration and custody. (4) BNDES: Brazilian National Development Bank. Note: Technology performance, comparison between 2018 x 2025. • Market leader in Credit, Acquiring and Payments and Collection • Itaú Emps launch Companies Retail Wholesale WMS 3 CLIENTS eNPS in excellence zone 83 points Consolidated NPS at all- time high Record in medium and high-income segments SPEED SCALABILITY 99% reduction on high-impact incidents Extel: 1st place in all categories of the executive team ranking for the 2nd consecutive year Leadership in the new private sector payroll loans Further digitalization of client base driving footprint optimization Insurance: 130% increase in recurring results from 2021 to 2025

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4(1) Considering the Common Equity Tier I (CET I) at 11.5%, in 4Q25 the consolidated recurring managerial return would have been 25.4% in the Consolidated and 27.3% in Brazil. 24.4% Credit Portfolio Recurring Managerial Result R$12.3 billion 3.7% vs. 3Q25 Dec-25 Recurring Managerial ROE¹ Efficiency Ratio 4Q25 4Q25 26.0%Brazil Consolidated 1.1 p.p. vs 3Q25 1.8 p.p. vs 3Q25 4Q25 13.2% vs. 4Q24 2.3 p.p. vs 4Q24 2.6 p.p. vs 4Q24 Financial Margin with Clients 4Q25 1.5% vs 3Q25 8.6% vs 4Q24 Highlights R$30.9 billion 38.9% 36.9%Brazil Consolidated 0.6 p.p. vs 3Q25 0.8 p.p. vs 3Q25 1.8 p.p. vs 4Q24 1.5 p.p. vs 4Q24 R$1,490.8 billion Ex-fx variation Consolidated 6.3% vs Sep-25 4.5% vs Sep-25 6.0% vs Dec-24 7.3% vs Dec-24 Commissions and Insurance 5.9% vs 3Q25 9.1% vs 4Q24 R$15.6 billion 4Q25

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5Note: in the first quarter of 2025, the agribusiness portfolio was reclassified according to the size of the companies and the following products were included: FiDC, exposures to financial institutions and the operations of our agribusiness trading company. For comparability purpose, the historical data was adjusted. (1) Includes private securities and financial guarantees provided. (2) Origination in 2025. Private sector Dec-25 x Sep-25 Transactor 4.3% Credit portfolio 10.0% Very Small, Small and Middle mkt companies Government facilities Dec-25 x Sep-25 Dec-25 x Dec-24 7.7% Dec-25 x Sep-25 27.5% Payroll loans 64.5% Dec-25 x Dec-24 Credit cards Average balance R$33 billion Origination in 2025 + 9% YoY Largest private bank in Mortgage 50% market share Among private banks² Dec-25 x Dec-24 35.9% Financed 1.6% 9.7% 6.4% SMEs Small companies Dec-25 x Sep-25 19.2% Dec-25 x Dec-24 12.0%Middle mkt companies 1.3% in R$ billion Dec-25 Sep-25 D Dec-24 D Individuals 474.3 456.4 3.9% 444.8 6.6% Credit card loans 153.5 142.2 8.0% 142.2 8.0% Personal loans 67.4 68.4 -1.4% 65.9 2.2% Payroll loans 75.3 72.4 4.0% 74.4 1.2% Auto loans 36.3 36.3 -0.1% 36.5 -0.6% Mortgage 141.7 137.1 3.4% 125.7 12.8% Very small, small and middle market loans 303.1 278.4 8.8% 278.8 8.7% Corporate loans 455.9 437.7 4.1% 433.2 5.2% Total Brazil 1,233.2 1,172.5 5.2% 1,156.8 6.6% Latin America 257.6 229.5 12.2% 249.6 3.2% Total¹ 1,490.8 1,402.0 6.3% 1,406.4 6.0% Total (ex-fx variation) 1,490.8 1,426.7 4.5% 1,388.8 7.3% Very small, small and middle market loans 303.1 280.0 8.2% 272.9 11.0% Corporate loans 455.9 440.1 3.6% 424.9 7.3% Latin America 257.6 250.1 3.0% 246.3 4.6%

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6 Annualized average margin Brazil Annualized average margin consolidated Financial margin with clients ¹ 2 ¹ 3 R$0.5 bn (+1.5%) R$13.1 bn (+12.1%) 2025 x 2024 in R$ billion Margin with clients Risk-adjusted margin with clients (1) Includes capital allocated to the business areas (except treasury), in addition to working capital of the corporation; (2) Change in the composition of assets with credit risk between periods in Brazil; (3) Latin America and structured wholesale operations and acquiring financial margin. 30.5 26.6 27.0 30.9 -3.9 -0.3 -0.1 -0.04 0.5 0.3 4.0 3Q25 Working capital and others 3Q25 Spread-sensitive operations 3Q25 Average Volume Product Mix Spreads and liabilities' margin Calendar and working days Latin America and others Spread-sensitive operations 4Q25 Working capital and others 4Q25 4Q25 9.3% 9.8% 10.0% 9.8% 9.7% 6.3% 6.6% 6.9% 6.7% 6.6% 4Q24 1Q25 2Q25 3Q25 4Q25 8.6% 9.0% 9.2% 9.0% 8.9% 5.9% 6.1% 6.3% 6.2% 6.1% 4Q24 1Q25 2Q25 3Q25 4Q25

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7 '' Financial margin with the market 0.5 1.0 5.4 4.8 -1.4 -2.5 4.4 3.3 2024 2025 0.1 0.2 0.2 0.3 0.2 1.3 1.2 1.3 1.3 1.1 0.9 0.9 0.9 0.9 0.6 -0.5 -0.5 -0.6 -0.7 -0.7 4Q24 1Q25 2Q25 3Q25 4Q25 Brazil Latin America Capital index hedge in R$ billion

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8 ' Commissions, fees and result from insurance Assets under Management 2025 x 2024 49.0%R$156 billion 26% market share DCM5 leadership in 2025 R$124 bn Originated volume Acquiring – Transaction volume 4Q25 x 3Q25 4Q25 x 4Q24 22.8%16.8%R$301 billion Net inflow in 2025 R$4.1 trillion Assets under management and administration4 17.4% in R$ billion (1) As of the first quarter of 2025, revenues from acquiring services, in addition to revenues from current account services for companies and PIX (instant payment system), were consolidated in the payments and collections line (previously collection services). For comparison purposes, past figures were reclassified. (2) Includes fund management fees and "consórcio" management fees; (3) Result from insurance includes the revenues from insurance, pension plan and premium bonds operations net of retained claims and selling expenses; (4) Assets under management and administration includes fiduciary management and custody. (5) Source: Anbima, eleven-month 2025 origination. (6) Insurance activities include bancassurance products related to life, property, credit life and third-party policies. 4Q25 3Q25 D 4Q24 D 2025 2024 D Card issuance 3.5 3.3 4.7% 3.3 5.1% 13.4 12.7 5.1% Current account for individuals 0.7 0.7 -2.9% 0.9 -19.7% 3.0 3.6 -16.8% Credit operations and guarantees issued 0.6 0.6 -0.2% 0.8 -17.5% 2.5 2.8 -11.2% Payments and collections¹ 2.6 2.5 5.3% 2.4 8.5% 9.9 9.3 6.7% Asset management² 2.1 1.9 14.2% 1.8 17.6% 7.6 6.7 14.2% Advisory services and brokerage 1.4 1.2 17.1% 1.1 27.7% 4.6 4.9 -4.8% Other Brazil 0.5 0.5 -1.5% 0.4 18.4% 1.8 1.5 19.4% Latin America 1.1 1.0 6.7% 1.0 8.4% 4.1 3.6 11.6% Commissions and fees 12.6 11.8 6.9% 11.7 7.4% 46.9 45.1 3.9% Insurance, pension plans and premium bonds³ 3.0 3.0 1.9% 2.6 16.7% 11.4 9.8 17.0% Commissions and insurance 15.6 14.7 5.9% 14.3 9.1% 58.3 54.9 6.3% Insurance6 2025 x 2024 13.1%Earned premiums 20.4%Recurring results

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9 2.0% 1.9% 1.9% 1.9% 1.9% 2.1% 2.0% 2.0% 2.0% 2.0% 1.3% 1.4% 1.4% 1.3% 1.2% Dec-24 Mar-25 Jun-25 Sep-25 Dec-25 1.6% 1.8% 1.7% 2.0% 1.6% 1.5% 1.7% 1.6% 1.9% 1.5% 2.3% 2.2% 2.3% 2.2% 2.1% 1.7% 1.6% Dec-24 Mar-25 Jun-25 Sep-25 Dec-25 3.8% 3.6% 3.6% 3.6% 3.6% 1.7% 1.6% 1.6% 1.7% 1.8% 0.13% 0.10% 0.08% 0.11% 0.08% Dec-24 Mar-25 Jun-25 Sep-25 Dec-25 15 - 90 days NPL - % Consolidated +0.9 p.p. Credit quality 90 days NPL- % Brazil Consolidated Brazil (1) No quarto trimestre de 2025, realizamos vendas de créditos com baixa probabilidade de recuperação para empresas não ligadas e sem retenção de riscos, que estariam ativos ao final de dezembro/25 e em atraso acima de 90 dias no valor de R$3,3 bilhões do segmento de grandes empresas. 2.8% 3.1% 3.0% 3.0% 2.7% 1.2% 1.2% 1.2% 1.3% 1.3% 0.02% 0.09% 0.05% 1.0% 0.03%0.1% Dec-24 Mar-25 Jun-25 Sep-25 Dec-25 Impact of sale of assets¹ ex- impact of specific corporate client ex- impact of specific corporate client +0.3 p.p. Impact of sale of assets¹ +0.2 p.p. Brazil Total Latin America Individuals Very small, small and middle market companies Corporate (1) In the fourth quarter of 2025, we sold loans with low probability of recovery to unrelated companies and without risk retention, which would be active at the end of December-25 and overdue over 90 days worth R$3.3 billion of the corporate portfolio.

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10 55.0% 56.1% 55.8% 55.9% 54.7% 59.8% 61.4% 59.2% 59.6% 59.7% 42.4% 43.1% 43.4% 40.2% 39.4% 55.3% 55.9% 57.1% 57.8% 55.4% Dec-24 Mar-25 Jun-25 Sep-25 Dec-25 22.9% 23.7% 24.1% 23.9% 23.3% 24.5% 26.1% 26.5% 26.5% 26.3% 16.9% 16.6% 16.7% 14.5% 14.4% 23.9% 22.9% 23.6% 24.2% 22.5% Dec-24 Mar-25 Jun-25 Sep-25 Dec-25 Stage 2 portfolio (1) No quarto trimestre de 2024, realizamos vendas de créditos com baixa probabilidade de recuperação para empresas não ligadas e sem retenção de riscos, que estariam ativos ao final de dezembro/24 no valor de R$70 milhões do segmento de grandes empresas. +0,02 p.p. Credit quality – Resolution 4,966 ratios Stage 3 portfolio Stage 3 coverageStage 2 coverage 4.1% 4.3% 4.2% 4.1% 4.0% 7.7% 8.0% 7.8% 7.6% 7.4% 4.6% 4.6% 4.6% 4.4% 4.1% 1.7% 1.8% 1.8% 1.9% 1.9% Dec-24 Mar-25 Jun-25 Sep-25 Dec-25 4.4% 4.4% 4.3% 4.2% 3.9% 6.0% 5.8% 5.9% 5.8% 5.8% 4.2% 4.3% 4.2% 4.0% 3.8% 3.5% 3.5% 3.3% 3.3% 2.7% Dec-24 Mar-25 Jun-25 Sep-25 Dec-25 Individuals Total Latin America Companies

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11 40.1 38.8 38.4 35.1 23.7 22.6 22.0 18.3 Mar-25 Jun-25 Sep-25 Dec-25 34.5 36.6 2024 2025 Annualized cost of credit / Loan portfolio² - (%) Cost of credit¹ (in R$ billion) Renegotiated portfolio (Credit and securities) (in R$ billion) Quality and cost of credit Renegotiated portfolio/ Total portfolio³ - (%) 2.5% 2.6% 2.6% 2.6% 2.6% 2.7% 2.6% 3.2% 3.1% 3.0% 2.6% Renegotiated Restructured (1) Expected loss expenses + recovery of loans + discounts granted. (2) cost of credit over the average portfolio, that includes FIDC, exposures to financial institutions and the operations by our agribusiness trading company. (3) Loan portfolio balance ex- financial guarantees provided. 8.6 9.0 9.1 9.1 9.4 4Q24 1Q25 2Q25 3Q25 4Q25

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12 '' BrazilConsolidated Efficiency ratio Non-interest expenses 12 Employees # t o ta l in B ra z il Branches¹ # in thousand (1) Brick and mortar and cliente service branches In R$ billion Latin America BrazilBrazil (ex-Technology) Technology - Brazil 45.5% 47.1% 44.0% 41.2% 39.9% 39.5% 38.8% 43.9% 45.0% 42.0% 39.1% 37.9% 37.7% 36.9% 2019 2020 2021 2022 2023 2024 2025 Consolidated International units Scalable Reference100 100 98 94 98 2024 2025 2026 (E) Consolidated Brazil Efficiency ratio by type of business (base 100)Efficiency ratio (%) '' 4Q25 3Q25 D 4Q24 D 2025 2024 D Commercial and administrative (personnel) (6.4) (6.3) 1.5% (6.2) 3.6% (24.7) (23.6) 4.6% Transactional (personnel, operations and services) (4.5) (4.5) 1.4% (4.2) 7.6% (17.4) (16.2) 7.5% Technology (personnel and infrastructure) (3.0) (3.1) -2.9% (2.7) 12.5% (11.7) (9.9) 18.2% Other (1.0) (1.0) 0.4% (1.2) -13.9% (3.9) (3.9) -1.2% Total - Brazil (15.0) (14.9) 0.5% (14.3) 5.1% (57.7) (53.6) 7.6% Latin America (2.3) (2.2) 4.7% (2.4) -4.2% (9.1) (8.5) 7.0% Non-interest expenses (17.3) (17.2) 1.0% (16.7) 3.7% (66.8) (62.1) 7.5%

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13 Dec-24 Tier I capital proforma Net income Dec-25 Tier I capital + 3.3% AT1 + 0.2% 1.5% 12.3% . Capital Risk weighted assets1 - 0.8% 13.8% Common Equity Tier I (CET I) Additional Tier I (AT1) Dividends and interest on own capital - 2.5% Interest on own capital and dividends distribution - fiscal year 2025 72.0% Payout² (1) Includes Prudential and equity adjustments. (2) In 2025, net distribution amounted to R$31,7 billion, resulting in a net payout of 67.6%. 12.3% 1.3% 13.6% Before taxes, in R$ billion Interest on own capital - paid and provisioned 9.7 Additional dividends and interest on own capital 24.0 Total 33.7

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14 Total credit portfolio¹ Financial margin with clients Financial margin with the market Cost of credit² Commissions and fees and results from insurance operations³ Non-interest expenses Effective tax rate 6.0% 12.1% R$3.3 billion R$36.6 billion 6.3% 7.5% 29.7% Actual 28.5% 30.5% 5.5% 8.5% 4.5% 8.5% 11.0% 14.0% 4.0% 7.0% R$3.0 bn R$3.5 bn R$34.5 bn R$38.5 bn Guidance (1) Includes financial guarantees provided and private securities; (2) Composed of expected loss expenses, discounts granted and recovery of loans written off as losses; (3) Commissions and fees (+) income from insurance, pension plan and premium bonds operations (-) expenses for claims (-) insurance, pension plan and premium bonds selling expenses. 2025 Guidance

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15 2026 Perspectives

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16 '' Income statement base for 2026 guidance (1) The consolidation of Avenue's results will occur in 1Q26, as a consequence of the acquisition of control occurred in January-26. (2) Insurance results represents the income from insurance, pension plan and premium bonds operations (-) expenses for claims (-) insurance, pension plan and premium bonds selling expenses. (3) Main reclassifications represent approximately 90% of total reclassifications. Changes in managerial classifications and the consolidation of Avenue's¹ results. 2 Main reclassifications³: • Expenses related to card network fee: From Non-interest Expenses to Commissions • Net margin from receivables discounting and cost of funding of automatic receivables discounting of the acquiring business: From Financial Margin with Clients to Commissions • Discount on loans in arrears up to 90 days overdue: From Financial Margin with Clients to Cost of Credit In R $ billio n 2025 as reported Reclassifications Avenue 2025 Adjusted Financial Margin with Clients 121.1 2.8 0.1 124.1 Financial margin with the market 3.3 - - 3.3 Cost of credit (36.6) (1.5) - (38.1) Commissions and Insurance Results 58.3 (2.8) 0.3 55.8 Non-interest expenses (66.8) 1.7 (0.5) (65.6) Tax expenses and other (10.8) (0.1) (0.0) (10.9) Income before tax and minority interests 68.6 0.1 (0.0) 68.6 Income before tax and minority interests (20.4) (0.1) 0.0 (20.5) Minority interests in subsidiaries (1.3) - 0.0 (1.3) Recurring managerial result 46.8 - - 46.8 Base for Guidance 2026 spreadsheet – Click here

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17 Corporativo \| Interno 2025 2.3% 15.00% 4.3% 5.4% 1.9% 12.75% 4.0% 5.7% 2026e GDP –Brazil1 SELIC (end of year) Unemployment2 Inflation (IPCA) BRL/Dollar³ 5.47 5.50 Macroeconomic outlook (1) Estimated GDP 2025; (2) measured by PNAD Contínua (IBGE), end of year, seasonally adjusted; (3) end of year.

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18 2026 Guidance Total credit portfolio¹ Credit portfolio - Brazil Financial margin with clients Cost of credit² Financial margin with the market Commissions and fees and results from insurance operations³ Non-interest expenses Effective tax rate 2026 Guidance 2026 Guidance uses the Adjusted Income Statement (income statement base for guidance) as the starting point Growth between 5.5% and 9.5% Growth between 6.5% and 10.5% Between 29.5% and 32.5% Growth between 1.5% and 5.5% Growth between 5.0% and 9.0% Between R$38.5 bn and R$43.5 bn Between R$2.5 bn and R$5.5 bn Growth between 5.0% and 9.0% (1) Includes financial guarantees provided and private securities; (2) Composed of expected loss expenses, discounts granted and recovery of loans written off as losses; (3) Commissions and fees (+) income from insurance, pension plan and premium bonds operations (-) expenses for claims (-) insurance, pension plan and premium bonds selling expenses.

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São Paulo, February 5th, 2026

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20 Additional information

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21 Results (1) Revenues from Insurance includes the Revenues from Insurance, Pension Plan and Premium Bonds Operations before Retained Claims and Selling Expenses. In R $ millio n 4Q25 3Q25 4Q24 2025 2024 Operating Revenues 47,560 46,567 2.1% 44,098 7.9% 184,393 168,956 9.1% Managerial Financial Margin 31,527 31,382 0.5% 29,388 7.3% 124,408 112,445 10.6% Financial Margin with Clients 30,930 30,479 1.5% 28,484 8.6% 121,128 108,024 12.1% Financial Margin with the Market 597 902 -33.9% 904 -34.0% 3,280 4,421 -25.8% Commissions and Fees 12,560 11,755 6.9% 11,697 7.4% 46,891 45,110 3.9% Revenues from Insurance 1 3,473 3,430 1.2% 3,013 15.3% 13,093 11,401 14.8% Cost of Credit (9,397) (9,145) 2.8% (8,643) 8.7% (36,611) (34,493) 6.1% Expected Loss Expenses (10,031) (9,780) 2.6% (9,562) 4.9% (38,969) (37,212) 4.7% Discounts Granted (882) (714) 23.6% (615) 43.4% (3,018) (2,449) 23.2% Recovery of Loans Written Off as Losses 1,516 1,348 12.4% 1,534 -1.2% 5,376 5,167 4.0% Retained Claims (435) (449) -3.2% (400) 8.5% (1,658) (1,615) 2.6% Other Operating Expenses (19,948) (19,858) 0.5% (19,368) 3.0% (77,555) (72,340) 7.2% Non-interest Expenses (17,324) (17,150) 1.0% (16,707) 3.7% (66,762) (62,108) 7.5% Tax Expenses for ISS, PIS, Cofins and Other Taxes (2,619) (2,703) -3.1% (2,647) -1.1% (10,771) (10,203) 5.6% Insurance Selling Expenses (5) (5) 0.5% (14) -65.1% (22) (30) -27.2% Income before Tax and Minority Interests 17,781 17,116 3.9% 15,687 13.3% 68,569 60,507 13.3% Income Tax and Social Contribution (5,046) (4,940) 2.2% (4,475) 12.8% (20,396) (17,863) 14.2% Minority Interests in Subsidiaries (417) (300) 39.2% (328) 27.3% (1,343) (1,241) 8.2% Recurring Managerial Result 12,317 11,876 3.7% 10,884 13.2% 46,830 41,403 13.1% D' D' D'

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22 Business model In R$ billion (1) Revenues from Insurance includes the Revenues from Insurance, Pension Plan and Premium Bonds Operations before Retained Claims and Selling Expenses. (2) Include Tax Expenses (ISS, PIS, COFINS and other), Insurance Selling Expenses and Minority Interests in Subsidiaries. Total Credit Trading Insurance & services Excess capital Total Credit Trading Insurance & services Excess capital Total Credit Trading Insurance & services Excess capital Operating revenues 184.4 101.6 3.6 76.6 2.7 169.0 93.2 3.4 70.5 1.9 15.4 8.4 0.2 6.1 0.7 Managerial financial margin 124.4 84.4 3.5 33.8 2.7 112.4 76.2 3.4 30.9 1.9 12.0 8.2 0.2 2.9 0.7 Commissions and fees 46.9 17.2 - 29.7 - 45.1 16.9 - 28.2 - 1.8 0.2 - 1.5 - Revenues from insurance ¹ 13.1 - - 13.1 - 11.4 - - 11.4 - 1.7 - - 1.7 - Cost of credit (36.6) (36.6) - - - (34.5) (34.5) - - - (2.1) (2.1) - - - Retained claims (1.7) - - (1.7) - (1.6) - - (1.6) - (0.0) - - (0.0) - Non-interest expenses and other² (78.9) (41.4) (1.0) (36.4) (0.1) (73.6) (38.2) (1.0) (34.2) (0.1) (5.3) (3.2) 0.0 (2.2) 0.0 Recurring managerial result 46.8 17.3 1.6 25.7 2.2 41.4 13.8 1.4 24.5 1.6 5.4 3.5 0.2 1.2 0.6 Average regulatory capital 200.2 121.3 6.0 50.9 22.1 186.9 109.0 4.7 49.2 24.1 13.3 12.3 1.2 1.7 (2.0) Value creation 18.5 0.7 0.8 18.0 (0.9) 16.6 (0.3) 0.8 17.6 (1.6) 1.9 0.9 (0.0) 0.4 0.7 Recurring managerial ROE 23.4% 14.3% 27.1% 50.6% 9.9% 22.2% 12.7% 30.5% 49.9% 6.7% 1.3 p.p. 1.6 p.p. -3.3 p.p. 0.6 p.p. 3.3 p.p. 2025 2024 D (2025 x 2024)

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São Paulo, February 5th, 2026

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Announcement to the Market Attachment 03

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Institutional Presentation

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• • • • •• • Click Here for more Info

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5 Individuals Corporate

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A gente trabalha para o cliente

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• • • 8

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99% Quality 2025 x 2018 increase in technology updates implemented reduction in UX high- impact incidents reduction in the cost of single transactions 2,606% Speed 2025 x 2018 45% Cost 2025 x 2018 Quality Method Artificial Intelligence Hyper personalization Efficiency Speed Design Excellence in user experience Data Integrated to our work methodology Products Proprietary methodologies Technology Modernized technology platform Clients + + AI-driven strategy that enhances efficiency and creates hyper- personalized journeys at scale 84% increase in the volume of generative AI initiatives in use at Itaú + increase in the volume of traditional machine learning models 34% Conversational generative AI solutions focused on clients (Pix on WhatsApp, Wealth Specialist and Itaú Emps) Itaú Intelligence 2025 x 2024 2025 x 2024 Open innovation ecosystem for continuous evolution Methodology composed of integrated disciplines that leverage business competitiveness and the creation of the best experiences

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> 1.8 k initiatives under implementation 10 > 21k Employees > 2.9k Squads 47.1 44.0 41.2 39.9 39.5 38.8 45.0 42.0 39.1 37.9 37.7 36.9 49.4 43.0 41.4 40.3 40.7 38.9 47.0 40.7 39.1 38.1 38.4 36.9 4Q20 4Q21 4Q22 4Q23 4Q24 4Q25 Trailing 12-month Efficiency Ratio (%) Trailing 12-month Efficiency Ratio in Brazil (%) Quarterly Efficiency Ratio (%) Quarterly Efficiency Ratio in Brazil (%)

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Climate transition Sustainable finance Diversity and development Governance and Conduct

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ESG strategic goals Commitment Net Zero by 2050 We are committed to becoming a carbon neutral bank by 2050 Reduce 50% Our operational emissions (Scopes 1, 2 and 3¹) by 2030² Carbon- intensive sectors Set targets and report progress in decarbonising priority carbon-intensive sectors to bring our portfolio into line with scenarios that limit climate change to 1.5°C

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Women 53.9% of employees by the end of 2024 Black 28.9% of employees by the end of 2024 Leadership positions Goal: 35% to 40% Location 96.7% employees in Brazil 3.3% in International units Hiring flow Goal: >50% Full time employees¹ Goal: 27% to 30% Hiring flow Goal: >40% ESG strategic goals for 2025 35.7% in 2024 52.3% in 2024 28.9% in 2024 39.1% in 2024 Workforce diversity profile in 2024 Other 5.1% people with disabilities² 13% LGBT+³ Gender Age 33.6% Under 30 years old 60.4% Between 30 and 50 years old 6.0% Over 50 years old Retention 50.1% at Itaú Unibanco for more than 5 years 30.9% for more than 10 years

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of R$1 trillion by the end of 2030 Direct to lending and financing for the sustainable economy from 2020¹. R$551 bn of total resources directed between Jan/20 and Nov/25 2020 2021 2022 2023 2024 2025 R$1 trillion Volume of resources in sustainable finance ESG strategic goals

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12.3 15.3 15.6 17.7 16.7 16.5 15.6 15.9 17.5 20.6 23.3 24.8 28.33.5 5.3 8.2 4.4 8.2 9.2 12.8 2.6 9.3 10.2 12.3 16.6 18.5 15.8 20.6 23.8 22.1 24.9 25.7 28.4 18.5 26.9 30.8 35.6 41.4 46.8

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4Q21 4Q22 4Q23 4Q24 4Q21 4Q22 4Q23 4Q24 4Q21 4Q22 4Q23 4Q24 4Q21 4Q22 4Q23 4Q24 4Q21 4Q22 4Q23 4Q24 4Q21 4Q22 4Q23 4Q24 Note: The 2025 results consider the application of Resolution 4,966.

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-21 -22 -23 -24 -21 -22 -23 -24 Dec-21 Dec-22 Dec-23 Dec-24 Dec-21 Dec-22 Dec-23 Dec-24 Dec-21 Dec-22 Dec-23 Dec-24 -21 -22 -23 -24 17

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Itaú Shop 18

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(1) The consolidation of Avenue's results will occur in 1Q26, as a consequence of the acquisition of control occurred in January-26. (2) Insurance results represents the income from insurance, pension plan and premium bonds operations (-) expenses for claims (-) insurance, pension plan and premium bonds selling expenses. (3) Main reclassifications represent approximately 90% of total reclassifications. 2 • • • In R $ billio n 2025 as reported Reclassifications Avenue 2025 Adjusted Financial Margin with Clients 121.1 2.8 0.1 124.1 Financial margin with the market 3.3 - - 3.3 Cost of credit (36.6) (1.5) - (38.1) Commissions and Insurance Results 58.3 (2.8) 0.3 55.8 Non-interest expenses (66.8) 1.7 (0.5) (65.6) Tax expenses and other (10.8) (0.1) (0.0) (10.9) Income before tax and minority interests 68.6 0.1 (0.0) 68.6 Income before tax and minority interests (20.4) (0.1) 0.0 (20.5) Minority interests in subsidiaries (1.3) - 0.0 (1.3) Recurring managerial result 46.8 - - 46.8 Base for Guidance 2026 spreadsheet – Click here

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2026 Guidance Total credit portfolio¹ Credit portfolio - Brazil Financial margin with clients Cost of credit² Financial margin with the market Commissions and fees and results from insurance operations³ Non-interest expenses Effective tax rate 2026 Guidance uses the Adjusted Income Statement (income statement base for guidance) as the starting point Growth between 5.5% and 9.5% Growth between 6.5% and 10.5% Between 29.5% and 32.5% Growth between 1.5% and 5.5% Growth between 5.0% and 9.0% Between R$38.5 bn and R$43.5 bn Between R$2.5 bn and R$5.5 bn Growth between 5.0% and 9.0% (1) Includes financial guarantees provided and private securities; (2) Composed of expected loss expenses, discounts granted and recovery of loans written off as losses; (3) Commissions and fees (+) income from insurance, pension plan and premium bonds operations (-) expenses for claims (-) insurance, pension plan and premium bonds selling expenses.

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(11) 2794-3547 \| ri@itau-unibanco.com.br \| www.itau.com.br/relacoes-com-investidores/en/ Investor Relations

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