Material Fact

CENTRO DE IMAGEM DIAGNÓSTICOS S.A. ("Company") (B3: AALR3), in compliance with paragraph 4 of article 157 of Law 6404/76 and Instruction 358/02 of the Brazilian Securities and Exchange Commission ("CVM"), hereby informs its shareholders and the market in general that the Company received a notification sent by Rede D‘Or SA, a publicly- held company, headquartered in the city of São Paulo, State of São Paulo, at Rua Francisco Marengo, 1.312, Tatuapé, CEP 03313-000, registered with the CNPJ/ME under nº 06.047.087 /0001-39 ("Rede D‘Or"), informing that due to events that resulted in the logical impossibility of an offer to acquire the control of the Company, its Board of Directors decided not to launch the voluntary public offer of up to the total shares issued by the Company, whose intention had been communicated to the Company on August 15th, 2021 and disclosed by the Company to the market in a notice of material fact on August 16th, 2021. The full content of the said notification is attached to this notice of material fact (Portuguese only)..

São Paulo, August 31th, 2021.

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