Exhibit 99.1 ITAÚ UNIBANCO HOLDING S.A. CNPJ. 60.872.504/0001-23 A Publicly Listed Company ANNUAL GENERAL STOCKHOLDERS’ MEETING Consolidated summary statement of remote voting Pursuant to CVM Instruction No. 481/09, Itaú Unibanco Holding S.A. ( Company ) discloses the summary statement of voting on the consolidation of voting instructions given by underwriters and of voting instructions given directly by the Company for each item presented in the remote voting form, about the matters submitted for resolution at its Annual General Stockholders' Meeting to be held on April 24, 2019 at 11:00 a.m. in the City of São Paulo, State of São Paulo, at Praça Alfredo Egydio de Souza Aranha, 100, Torre Olavo Setubal, Piso Itaú Unibanco, Parque Jabaquara, CEP 04344-902, as presented below: Number of % over total Item Description Candidates Voting shares voting Take cognizance of the Management Report, the Report of the Independent Approve 14,341,756 98.5232 Auditors, the Opinion of the Fiscal Council, and the Summary of the Audit 1 Reject - - Committee Report, and examine, for resolution, the Financial Statements for the Abstain 214,980 1.4768 fiscal year ended December 31, 2018: Approve 13,739,511 94.3859 Resolve on the allocation of net income for the fiscal year as detailed in the General Stockholders’ Meeting Manual available at: 2 Reject - - https://www.itau.com.br/relacoes-com-investidores/ listgroup.aspx?idCanal=Sqjrl1eBRjH/MQgu2IlC3Q==&linguagem=en Abstain 817,225 5.6141 Approve 13,668,156 93.8957 Fix the number of members who will comprise the Board of Directors in eleven 3 Reject 71,355 0.4902 (11) as proposed by the controlling shareholders: Abstain 817,225 5.6141 Yes 2,160,228 14.8401 Do you want to request the adoption of the multiple vote process for the 4 election of the Board of Directors, pursuant to Article 141 of Law No. 6,404 of No 8,063,061 55.3906 1976? Abstain 4,333,447 29.7694 Approve 13,385,827 91.9562 Alfredo Egydio Setubal Reject 146,763 1.0082 Abstain 1,024,146 7.0355 Approve 13,487,140 92.6522 Ana Lúcia de Mattos Barretto Villela Reject 45,450 0.3122 Abstain 1,024,146 7.0355 Approve 13,532,590 92.9645 Fábio Colletti Barbosa (Independent Reject - - member) Abstain 1,024,146 7.0355 Approve 13,461,235 92.4743 Gustavo Jorge Laboissière Loyola Reject - - (Independent member) Abstain 1,095,501 7.5257 Approve 13,461,235 92.4743 João Moreira Salles Reject - - Election of the Board of Directors by candidate - Total members to be elected: Abstain 1,095,501 7.5257 11 Approve 13,492,690 92.6904 Nomination of candidates to the Board of Directors (the stockholder may 5 José Galló (Independent member) Reject 39,900 0.2741 nominate as many candidates as the number of vacancies to be fulfilled in the Abstain 1,024,146 7.0355 general election) Approve 13,461,235 92.4743 Marco Ambrogio Crespi Bonomi Reject - - (Independent member) Abstain 1,095,501 7.5257 Approve 13,532,590 92.9645 Pedro Luiz Bodin de Moraes Reject - - (Independent member) Abstain 1,024,146 7.0355 Approve 13,532,590 92.9645 Pedro Moreira Salles Reject - - Abstain 1,024,146 7.0355 Approve 10,345,090 71.0674 Ricardo Villela Marino Reject 3,187,500 21.8971 Abstain 1,024,146 7.0355 Approve 13,532,590 92.9645 Roberto Egydio Setubal Reject - - Abstain 1,024,146 7.0355 Yes 6,864,973 47.1601 If the multiple voting process is adopted, do you want to distribute the vote 6 No - - adopted as the same percentage to the candidates? Abstain 7,691,763 52.8399 Alfredo Egydio Setubal 563,420 8.5256 Ana Lúcia de Mattos Barretto Villela 572,629 8.6649 Fábio Colletti Barbosa (Independent 572,622 8.6648 member) Gustavo Jorge Laboissière Loyola 572,622 8.6648 (Independent member) View of all candidates for the assignment of the % (percentage) of votes to be João Moreira Salles 572,629 8.6649 7 attributed José Galló (Independent member) 572,622 8.6648 Marco Ambrogio Crespi Bonomi 572,629 8.6649 (Independent member) Pedro Luiz Bodin de Moraes 572,972 8.6701 (Independent member) Pedro Moreira Salles 572,972 8.6701 Ricardo Villela Marino 572,972 8.6701 Roberto Egydio Setubal 572,972 8.6701Exhibit 99.1 ITAÚ UNIBANCO HOLDING S.A. CNPJ. 60.872.504/0001-23 A Publicly Listed Company ANNUAL GENERAL STOCKHOLDERS’ MEETING Consolidated summary statement of remote voting Pursuant to CVM Instruction No. 481/09, Itaú Unibanco Holding S.A. ( Company ) discloses the summary statement of voting on the consolidation of voting instructions given by underwriters and of voting instructions given directly by the Company for each item presented in the remote voting form, about the matters submitted for resolution at its Annual General Stockholders' Meeting to be held on April 24, 2019 at 11:00 a.m. in the City of São Paulo, State of São Paulo, at Praça Alfredo Egydio de Souza Aranha, 100, Torre Olavo Setubal, Piso Itaú Unibanco, Parque Jabaquara, CEP 04344-902, as presented below: Number of % over total Item Description Candidates Voting shares voting Take cognizance of the Management Report, the Report of the Independent Approve 14,341,756 98.5232 Auditors, the Opinion of the Fiscal Council, and the Summary of the Audit 1 Reject - - Committee Report, and examine, for resolution, the Financial Statements for the Abstain 214,980 1.4768 fiscal year ended December 31, 2018: Approve 13,739,511 94.3859 Resolve on the allocation of net income for the fiscal year as detailed in the General Stockholders’ Meeting Manual available at: 2 Reject - - https://www.itau.com.br/relacoes-com-investidores/ listgroup.aspx?idCanal=Sqjrl1eBRjH/MQgu2IlC3Q==&linguagem=en Abstain 817,225 5.6141 Approve 13,668,156 93.8957 Fix the number of members who will comprise the Board of Directors in eleven 3 Reject 71,355 0.4902 (11) as proposed by the controlling shareholders: Abstain 817,225 5.6141 Yes 2,160,228 14.8401 Do you want to request the adoption of the multiple vote process for the 4 election of the Board of Directors, pursuant to Article 141 of Law No. 6,404 of No 8,063,061 55.3906 1976? Abstain 4,333,447 29.7694 Approve 13,385,827 91.9562 Alfredo Egydio Setubal Reject 146,763 1.0082 Abstain 1,024,146 7.0355 Approve 13,487,140 92.6522 Ana Lúcia de Mattos Barretto Villela Reject 45,450 0.3122 Abstain 1,024,146 7.0355 Approve 13,532,590 92.9645 Fábio Colletti Barbosa (Independent Reject - - member) Abstain 1,024,146 7.0355 Approve 13,461,235 92.4743 Gustavo Jorge Laboissière Loyola Reject - - (Independent member) Abstain 1,095,501 7.5257 Approve 13,461,235 92.4743 João Moreira Salles Reject - - Election of the Board of Directors by candidate - Total members to be elected: Abstain 1,095,501 7.5257 11 Approve 13,492,690 92.6904 Nomination of candidates to the Board of Directors (the stockholder may 5 José Galló (Independent member) Reject 39,900 0.2741 nominate as many candidates as the number of vacancies to be fulfilled in the Abstain 1,024,146 7.0355 general election) Approve 13,461,235 92.4743 Marco Ambrogio Crespi Bonomi Reject - - (Independent member) Abstain 1,095,501 7.5257 Approve 13,532,590 92.9645 Pedro Luiz Bodin de Moraes Reject - - (Independent member) Abstain 1,024,146 7.0355 Approve 13,532,590 92.9645 Pedro Moreira Salles Reject - - Abstain 1,024,146 7.0355 Approve 10,345,090 71.0674 Ricardo Villela Marino Reject 3,187,500 21.8971 Abstain 1,024,146 7.0355 Approve 13,532,590 92.9645 Roberto Egydio Setubal Reject - - Abstain 1,024,146 7.0355 Yes 6,864,973 47.1601 If the multiple voting process is adopted, do you want to distribute the vote 6 No - - adopted as the same percentage to the candidates? Abstain 7,691,763 52.8399 Alfredo Egydio Setubal 563,420 8.5256 Ana Lúcia de Mattos Barretto Villela 572,629 8.6649 Fábio Colletti Barbosa (Independent 572,622 8.6648 member) Gustavo Jorge Laboissière Loyola 572,622 8.6648 (Independent member) View of all candidates for the assignment of the % (percentage) of votes to be João Moreira Salles 572,629 8.6649 7 attributed José Galló (Independent member) 572,622 8.6648 Marco Ambrogio Crespi Bonomi 572,629 8.6649 (Independent member) Pedro Luiz Bodin de Moraes 572,972 8.6701 (Independent member) Pedro Moreira Salles 572,972 8.6701 Ricardo Villela Marino 572,972 8.6701 Roberto Egydio Setubal 572,972 8.6701

Exhibit 99.1 Minority stockholders with voting rights requesting a separate election of a Yes 1,000 0.0094 member to the Board of Directors: 8 Do you want to request a separate election of a member to the Board of No 1,310,613 12.3174 Directors, in accordance with Article 141, paragraph 4, I, of Law No. 6,404 of Abstain 9,328,768 87.6733 1976? (*) Minority stockholders with voting rights requesting a separate election of a Yes 8,654,863 81.3398 member to the Board of Directors: If neither stockholders with voting rights nor preferred stockholders with no or restricted voting rights meet the quorum, respectively, as required by items I 9 No 1,179,743 11.0874 and II of paragraph 4 of Article 141 of Law No. 6,404 of 1976, do you want your vote to be added to the votes of preferred shares to elect, to the Board of Directors, the candidate with the majority of votes among all those who, as Abstain 805,775 7.5728 included in this remote voting form, run for election separately? (*) Preferred stockholders with no or restricted voting rights requesting a separate Yes 266,945,033 36.0817 election of a member to the Board of Directors: 10 Do you want to request a separate election of a member to the Board of No 97,715,380 13.2077 Directors, in accordance to Article 141, paragraph 4 II of Law No. 6,404 of 1976? Abstain 375,174,651 50.7106 (*) Preferred stockholders with no or restricted voting rights requesting a separate Yes 610,490,879 82.5172 election of a member to the Board of Directors: If neither voting stockholders nor preferred stockholders with no or restricted voting rights meet the quorum, respectively, as required by items I and II of 11 No 123,985,371 16.7585 paragraph 4 of Article 141 of Law No. 6,404 of 1976, do you want your vote to be added to the votes of voting shares to elect, to the Board of Directors, the candidate with the majority of votes among all those who, as included in this Abstain 5,358,814 0.7243 remote voting form, run for election separately? (*) Approve 13,714,029 94.2109 Alkimar Ribeiro Moura (effective) / Reject - - Election of the Fiscal Council by candidate - Total members to be elected: 2 João Costa (substitute) Nomination of candidates to the Fiscal Council (the stockholder may nominate Abstain 842,707 5.7891 12 as many candidates as the number of vacancies to be fulfilled in the general José Caruso Cruz Henriques Approve 13,714,029 94.2109 election) (effective) / Reinaldo Guerreiro Reject - - (substitute) Abstain 842,707 5.7891 Approve 970,404,808 95.8029 Separate election of the Fiscal Council - Preferred shares Eduardo Azevedo do Valle 13 Nomination of candidates to the Fiscal Council by stockholders holding (effective) / Debora Santille Reject - - preferred shares without voting or restricted voting rights (substitute) Abstain 42,512,946 4.1971 Approve 10,523,974 72.2962 Resolve on the amount allocated to the overall compensation of the members of 14 the Company’s Board of Officers and Board of Directors in the total amount of Reject 1,953,307 13.4186 R$380,000,000.00: Abstain 2,079,455 14.2852 Approve 13,739,511 94.3859 Resolve on the monthly individual compensation of R$15,000.00 to effective 15 Reject - - members and R$6,000.00 to alternate members of the Fiscal Council: Abstain 817,225 5.6141 (*) This refers to the ownership interest held uninterruptedly over the period of three months, at least, immediately prior to the General Stockholders’ Meeting, as provided for in paragraph 6 of Article 141 of Law No. 6,404/76. São Paulo-SP, April 23, 2019. ALEXSANDRO BROEDEL Group Executive Finance Director and Head of Investor RelationsExhibit 99.1 Minority stockholders with voting rights requesting a separate election of a Yes 1,000 0.0094 member to the Board of Directors: 8 Do you want to request a separate election of a member to the Board of No 1,310,613 12.3174 Directors, in accordance with Article 141, paragraph 4, I, of Law No. 6,404 of Abstain 9,328,768 87.6733 1976? (*) Minority stockholders with voting rights requesting a separate election of a Yes 8,654,863 81.3398 member to the Board of Directors: If neither stockholders with voting rights nor preferred stockholders with no or restricted voting rights meet the quorum, respectively, as required by items I 9 No 1,179,743 11.0874 and II of paragraph 4 of Article 141 of Law No. 6,404 of 1976, do you want your vote to be added to the votes of preferred shares to elect, to the Board of Directors, the candidate with the majority of votes among all those who, as Abstain 805,775 7.5728 included in this remote voting form, run for election separately? (*) Preferred stockholders with no or restricted voting rights requesting a separate Yes 266,945,033 36.0817 election of a member to the Board of Directors: 10 Do you want to request a separate election of a member to the Board of No 97,715,380 13.2077 Directors, in accordance to Article 141, paragraph 4 II of Law No. 6,404 of 1976? Abstain 375,174,651 50.7106 (*) Preferred stockholders with no or restricted voting rights requesting a separate Yes 610,490,879 82.5172 election of a member to the Board of Directors: If neither voting stockholders nor preferred stockholders with no or restricted voting rights meet the quorum, respectively, as required by items I and II of 11 No 123,985,371 16.7585 paragraph 4 of Article 141 of Law No. 6,404 of 1976, do you want your vote to be added to the votes of voting shares to elect, to the Board of Directors, the candidate with the majority of votes among all those who, as included in this Abstain 5,358,814 0.7243 remote voting form, run for election separately? (*) Approve 13,714,029 94.2109 Alkimar Ribeiro Moura (effective) / Reject - - Election of the Fiscal Council by candidate - Total members to be elected: 2 João Costa (substitute) Nomination of candidates to the Fiscal Council (the stockholder may nominate Abstain 842,707 5.7891 12 as many candidates as the number of vacancies to be fulfilled in the general José Caruso Cruz Henriques Approve 13,714,029 94.2109 election) (effective) / Reinaldo Guerreiro Reject - - (substitute) Abstain 842,707 5.7891 Approve 970,404,808 95.8029 Separate election of the Fiscal Council - Preferred shares Eduardo Azevedo do Valle 13 Nomination of candidates to the Fiscal Council by stockholders holding (effective) / Debora Santille Reject - - preferred shares without voting or restricted voting rights (substitute) Abstain 42,512,946 4.1971 Approve 10,523,974 72.2962 Resolve on the amount allocated to the overall compensation of the members of 14 the Company’s Board of Officers and Board of Directors in the total amount of Reject 1,953,307 13.4186 R$380,000,000.00: Abstain 2,079,455 14.2852 Approve 13,739,511 94.3859 Resolve on the monthly individual compensation of R$15,000.00 to effective 15 Reject - - members and R$6,000.00 to alternate members of the Fiscal Council: Abstain 817,225 5.6141 (*) This refers to the ownership interest held uninterruptedly over the period of three months, at least, immediately prior to the General Stockholders’ Meeting, as provided for in paragraph 6 of Article 141 of Law No. 6,404/76. São Paulo-SP, April 23, 2019. ALEXSANDRO BROEDEL Group Executive Finance Director and Head of Investor Relations