Exhibit 99.1 General Stockholders' Meeting Manual 20 Extraordinary Stockholders' Meeting September 30, 2022 22 In a 100% digital and remote environment Itaú Unibanco Holding S.A Contents | 1. Message from Management about the ESM Manual | 03 | | --- | --- | | 2. Information on the Extraordinary Stockholders' Meeting | 04 | | 3. Call notice | ૦ર | | 4. Resolutions - Extraordinary General Stockholders' Meeting | 06 | | ATTACHMENT I TO CVM RESOLUTION No. 81/22 | 08 | | ATTACHMENT II - ATTACHMENT L TO CVM RESOL ...