Extraordinary General Stockholders’ Mee��ng 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 voting instructions for each item of the matters submitted for resolution of its Extraordinary General Stockholders’ Meeting held on April 17, 2025, 10:10 a.m exclusively held online, is presented below: São Paulo-SP, April 17, 2025. Gustavo Lopes Rodrigues Investor Relations Officer ItemDescription Voting Number of shares % over total votingApprove5,028,198,007100,00%Reject2540,00%Abstain46,1640,00%Approve5,028,188,753100,00%Reject6110,00%Abstain55,0610,00%Approve5,028,193,976100,00%Reject6550,00%Abstain49,7940,00%1AmendtheBylawsinArticle3,headprovision,toreflectthenewcompositionofcapitalaftertheincreaseresolveduponbytheBoardofDirectorswithinthelimitoftheauthorized capital:2Amend the Bylaws in item 8.2, VII, to exclude the mention of the Resolution of the National MonetaryCouncil(“CMN”)No.3,921/2010revokedbytheResolutionoftheNationalMonetary Council (“CMN”) No. 5,177/2024:3Consolidate the Bylaws to reflect the amendments mentioned in the previous items: