Tranche Update on Cruzeiro do Sul Educacional S.A.'s Equity Buyback Plan announced on August 12, 2022.

Oncoclinicas do Brasil Servicos Medicos SA is a Brazil-based company primarily engaged in the education services. The Company is an operator of universities in the domestic market. Cruzeiro do Sul Educacional SA provides the knowledge, skills, and habits for its clients through teaching, training and research services. The Company operates through Colegio Cruzeiro do Sul (SP-SP), Universidade Cruzeiro do Sul (SP-SP), Centro Universitario Modulo (Caraguatatuba-SP) and the Centro Universitario do Distrito Federal (DF). The company holds interest in a number of subsidiaries, such as Centro de Quimioterapia Antiblastica e Imunoterapia SA, and Centro Mineiro de Infusoes SA.