Exhibit 99.1

ITAÚ UNIBANCO HOLDING S.A. CNPJ. 60.872.504/0001-23 A Publicly Listed Company ANNUAL GENERAL STOCKHOLDERS’ MEETING Consolidated summarized remote voting map According to CVM Instruction Nº 481/09, Itaú Unibanco Holding S.A. (“Company”) discloses the summarized voting map that consolidates the voting instructions received from the underwriter and the voting instructions directly received by the Company for each item presented in the remote voting form on the matters submitted for the resolution of the Annual General Stockholders’ Meeting to be exclusively held online on April 26, 2022, 11:00 a.m., with the purpose to:Item Description—ordinary agenda Candidates Voting Number of shares % over total voting 1 2 3 4Take cognizance of the Management’s Report, the Report of the Independent Auditors, the Opinion of the Fiscal Council, and the Summary of the Report of the Audit Committee, and examine them for resolution on the Financial Statements for the fiscal year ended December 31, 2021: Resolve on the allocation of net income for the fiscal year as detailed in the General Stockholders’ Meeting Manual available at: https://www.itau.com.br/relacoes- cominvestidores/listgroupComunicado.aspx?idCanal=rQmlXNzFOcoHRPHioVRb7 A==&linguagem=en &ano=2022 Fix the number of members who will comprise the Board of Directors in twelve (12): Do you wish to request the cumulative voting for the election of the board of directors, under the terms of art. 141 of Law 6,404, of 1976?Approve Reject Abstain Approve Reject Abstain Approve Reject Abstain Yes No4,565,099,748 —   624,833 4,565,586,481 —   138,100 4,562,348,296 3,238,185 138,100 —   5,132,39899.98631 —   0.01369 99.99698 —   0.00302 99.92605 0.07092 0.00302 —   0.11241 5Alfredo Egydio Setubal Ana Lúcia de Mattos Barretto Villela Candido Botelho Bracher Cesar Nivaldo Gon (Independent member) Fábio Colletti Barbosa (Independent member) Election of the board of directors by candidate—Total members to be elected: 12 - Frederico Trajano Inácio Rodrigues Nomination of candidates to the Board of Directors (the stockholder may (Independent member) nominate as many candidates as the number of vacancies to be fulfilled in the general election. The votes indicated in this field will be disregarded if the shareholder holding voting shares also fills in the fields present in the separate election of a member of the board of directors and the separate election covered João Moreira Salles by these fields occurs) Maria Helena dos Santos Fernandes de Santana (Independent member) Pedro Luiz Bodin de Moraes (Independent member) Pedro Moreira Salles Ricardo Villela Marino Roberto Egydio SetubalAbstain Approve Reject Abstain Approve Reject Abstain Approve Reject Abstain Approve Reject Abstain Approve Reject Abstain Approve Reject Abstain Approve Reject Abstain Approve Reject Abstain Approve Reject Abstain Approve Reject Abstain Approve Reject Abstain Approve Reject Abstain4,560,592,183 4,558,666,188 6,920,293 138,100 4,563,429,188 2,157,293 138,100 4,560,933,624 4,652,857 138,100 4,559,971,208 5,615,273 138,100 4,564,368,030 1,218,451 138,100 4,564,382,914 1,203,567 138,100 4,563,451,526 2,134,955 138,100 4,564,382,914 1,203,567 138,100 4,564,382,914 1,203,567 138,100 4,563,205,620 2,372,361 146,600 4,563,461,414 2,125,067 138,100 4,562,877,297 2,709,184 138,10099.88759 99.84540 0.15157 0.00302 99.94973 0.04725 0.00302 99.89507 0.10191 0.00302 99.87399 0.12299 0.00302 99.97029 0.02669 0.00302 99.97061 0.02636 0.00302 99.95021 0.04676 0.00302 99.97061 0.02636 0.00302 99.97061 0.02636 0.00302 99.94483 0.05196 0.00321 99.95043 0.04654 0.00302 99.93764 0.05934 0.00302 6In case of a cumulative voting process, should the corresponding votes to your shares be equally distributed among the candidates that you´ve chosen? [If the shareholder chooses ”yes” and also indicates the ”approve” answer type for specific candidates among those listed below, their votes will be distributed proportionally among these candidates. If the shareholder chooses to ”abstain” and the election occurs by the cumulative voting process, the shareholder’s vote shall be counted as an abstention in the respective resolution of the meeting.]Yes No Abstain4,546,762,405 —   18,962,17699.58468 —   0.41532

Alfredo Egydio Setubal Ana Lúcia de Mattos Barretto Villela Candido Botelho Bracher Cesar Nivaldo Gon (Independent member) Fábio Colletti Barbosa (Independent member) Frederico Trajano Inácio Rodrigues (Independent member)378,606,014 378,747,923 378,746,507 378,606,014 379,267,117 379,267,1178.32694 8.33006 8.33003 8.32694 8.34148 8.34148 7View of all the candidates to indicate the cumulative voting distribution. 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 votingJoão Moreira Salles Maria Helena dos Santos Fernandes de Santana (Independent member) Pedro Luiz Bodin de Moraes (Independent member) Pedro Moreira Salles Ricardo Villela Marino Roberto Egydio SetubalYes378,746,507 379,267,117 379,267,117 378,746,507 378,747,923 378,746,507 8,5008.33003 8.34148 8.34148 8.33003 8.33006 8.33003 0.00019 8shares 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) 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 votingNo Abstain Yes3,329,191 4,562,386,890 25,019,4070.07292 99.92690 1.31863 9shares 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).No Abstain390,530,811 1,481,828,85120.58265 78.09872 Nomination of candidates to the fiscal council (the shareholder may nominate asGilberto Frussa / João CostaApprove Reject Abstain4,565,586,481 —   138,10099.99698 —   0.00302 10 many candidates as there are seats to be filled in the general election). Eduardo Miyaki / Reinaldo Guerreiro Reject Approve Abstain Approve 4,565,586,481 —   138,100 1,829,405,187 99.99698 —   0.00302 95.75151 11Nomination of candidates to the fiscal coucnil by shareholders with non-voting Artemio Bertholini / Rene Guimarães preferred shares or restricted voting rights. Resolve on the amount allocated to the overall compensation of the members ofAndrichReject Abstain Approve12,821,252 68,349,330 4,560,021,8640.67107 3.57742 99.87510 12the Company’s Board of Officers and Board of Directors in the total amount of R$500,000,000.00: Resolve on the monthly individual compensation of R$22,000.00 to effectiveReject Abstain Approve5,564,617 138,100 4,565,586,4810.12188 0.00302 99.99698 13members and R$9,000.00 to alternate members of the Fiscal Council:Reject Abstain—   138,100—   0.00302 São Paulo-SP, April 25, 2022. RENATO LULIA JACOB Group Head of Investor Relations and Market Intelligence