finalsummarizedvotingmap

Annual General Stockholders’ Meeng Final Summarized Voting Map According to CVM Resolution No. 81/22, Itaú Unibanco Holding S.A. ("Company") discloses the final summarized voting map related to the consolidation of remote voting instructions and of the votes casted at the Annual General Stockholders’ Meeting (“Meeting”), held exclusively online, on April 28, 2026, at 11:00 a.m, for each item of the matters submitted for resolution at the Meeting, as presented below. São Paulo- SP, April 28, 2026. Gustavo Lopes Rodrigues Investor Relations Officer

Item Description Candidates Voting Number of shares % over total voting Approve 5,183,067,194 99.99% Reject 1,199 0.00% Abstain 395,332 0.01% Approve 5,183,409,015 100.00% Reject 1,199 0.00% Abstain 53,511 0.00% Approve 5,183,326,484 100.00% Reject 66,233 0.00% Abstain 71,008 0.00% Approve 5,179,933,885 99.93% Reject 3,452,669 0.07% Abstain 77,171 0.00% Approve 5,179,356,141 99.92% Reject 4,032,958 0.08% Abstain 74,626 0.00% Approve 5,180,881,735 99.95% Reject 2,444,651 0.05% Abstain 137,339 0.00% Approve 5,178,617,511 99.91% Reject 4,707,048 0.09% Abstain 139,166 0.00% Approve 5,180,985,126 99.95% Reject 2,335,756 0.05% Abstain 142,843 0.00% Approve 5,178,061,904 99.90% Reject 5,258,851 0.10% Abstain 142,970 0.00% Approve 5,183,306,232 100.00% Reject 14,320 0.00% Abstain 143,173 0.00% Approve 5,180,146,020 99.94% Reject 3,174,491 0.06% Abstain 143,214 0.00% Approve 5,180,883,182 99.95% Reject 2,441,465 0.05% Abstain 139,078 0.00% Approve 5,183,309,785 100.00% Reject 10,826 0.00% Abstain 143,114 0.00% Approve 5,182,299,163 99.98% Reject 1,020,293 0.02% Abstain 144,269 0.00% Approve 5,183,310,065 100.00% Reject 10,436 0.00% Abstain 143,224 0.00% Approve 5,181,025,999 99.95% Reject 2,298,203 0.04% Abstain 139,523 0.00% Approve 5,165,049,288 99.64% Reject 16,045,541 0.31% Abstain 2,368,896 0.05% Yes 35,091,684 0.68% No 17,426,942 0.34% Abstain 5,117,286,684 98.98% Yes 23,520,952 1.06% No 431,785,733 19.44% Abstain 1,766,283,305 79.51% Election of the chairman of the board of directors - Total members to be elected: 1 Nomination of candidates for chairman of the board of directors. 6 Pedro Luiz Bodin de Moraes (Conselheiro Independente) 8 Election of the board of directors by candidate - Total members to be elected: 10 Nomination of candidates to the board of directors (the shareholder can nominate as many candidates as the numbers of vacancies to be filled in the general election. The votes indicated in this filed will be disregarded if the shareholder with voting rights also fills in the fields present in the separate election of a member of the board of directors and the separate election referred to in these fields takes place). Cesar Nivaldo Gon (Conselheiro Independente) 13 Final Summarized Voting Map of the Annual General Stockholder's Meeting held on April 28, 2026 Pedro Moreira Salles (Copresidente) Roberto Egydio Setubal (Copresidente) Ana Lúcia de Mattos Barretto Villela Candido Botelho Bracher (Conselheiro Independente) Ricardo Villela Marino (Vice- presidente) Alfredo Egydio Setubal 1 Take cognizance of the Management Report and the Independent Auditors Report, the Opinion of the Fiscal Council, and the Summary of the Audit Committees Report, and examine for resolving upon the management accounts and the Financial Statements for the fiscal year ended December 31, 2025: 2 Resolve on Management’s proposal for allocation of profit for the fiscal year, as detailed in the General Stockholders’ Meeting Manual available at https://www.itau.com.br/relacoes-cominvestidores/en/general-stockholders- meetings/: 3 Establish the number of members that will compose the Board of Directors at thirteen (13): Election of the chairman of the board of directors - Total members to be elected: 1 Nomination of candidates for chairman of the board of directors. 11 5 Resolve upon the independence of the members classified as independent members: Fabricio Bloisi Rocha (Conselheiro Independente) João Moreira Salles Marcos Marinho Lutz (Conselheiro Independente) 7 Election of vice-chairman of the board of directors - Total members to be elected: 1 Nomination of candidates for vice-chairman of the board of directors. Maria Helena dos Santos Fernandes de Santana (Conselheiro Independente) Paulo Antunes Veras (Conselheiro Independente) Do you wish to request a separate election of a member of the board of directors, under the terms of article 141, paragraph 4, II, of Law 6,404, of 1976? (The shareholder can only fill this field in case of keeping the position of voting shares ininterrupted for 3 months prior to the general meeting. If the shareholder chooses “no” or “abstain”, his/her shares will not be computed for the request of a separate election of a member of the board of directors). 12 Do you wish to request a separate election of a member of the board of directors, under the terms of article 141, paragraph 4, I, of Law 6,404, of 1976? (The shareholder can only fill this field in case of keeping the position of voting shares ininterrupted for 3 months prior to the general meeting. If the shareholder chooses “no” or “abstain”, his/her shares will not be computed for the request of a separate election of a member of the board of directors).

Approve 5,183,314,054 100.00% Reject 2,713 0.00% Abstain 146,958 0.00% Approve 5,183,285,697 100.00% Reject 31,025 0.00% Abstain 147,003 0.00% Approve 2,427,451,260 99.27% Reject 1,229,390 0.05% Abstain 16,698,564 0.68% Approve 5,179,279,276 99.92% Reject 3,146,793 0.06% Abstain 1,037,656 0.02% Approve 5,180,202,291 99.94% Reject 64,970 0.00% Abstain 3,196,464 0.06% 17 Resolve upon the individual monthly compensation of R$ 22,000.00 to the effective members and of R$ 9,000.00 for the alternate members of the Fiscal Council: Marcelo Maia Tavares de Araújo (efetivo) / Haroldo do Rosario Vieira (suplente) 16 Resolve upon the amount allocated to the overall compensation of the members of the Board of Officers and the Board of Directors, in the total amount of R$938,000,000.00: 15 Separate election of the fiscal council - Preferred shares - Total members to be elected: 1 Nomination of candidates to the fiscal coucnil by shareholders with non-voting preferred shares or restricted voting rights. 14 Election of the fiscal council by candidate - Total members to be elected: 2 Nomination of candidates to the fiscal council (the shareholder may nominate as many candidates as there are seats to be filled in the general election). Eduardo Hiroyuki Miyaki (efetivo) / João Costa (suplente) Cláudio José Coutinho Arromatte (efetivo) / Leni Bernadete Torres da Silva Sansiviero (suplente)