 SÃO PAULO, Oct. 2, 2021 PRNewswire -- Itaú Unibanco Holding S.A. Itaú Unibanco or Company informs its stockholders and the general market that, in line with the Material Facts disclosed on November 3 and 26, December 31, 2020, January 31 and May 31, 2021, and the Announcements to the Market disclosed on July 27 and August 20, 2021, the merger of XPart S.A. 