Notice to the Market

Belo Horizonte, January 10, 2018 - CENTRO DE IMAGEM DIAGNÓSTICOS S.A. ("Company"), pursuant to the provisions of Article 12 of the CVM Instruction No. 358/02, hereby announces that it has received from Capital International Investors ("CII") a notice stating an increase from 5,874,300 to 5,996,700 ON shares of the Company, which now represents a 5.07% stake of Alliar’s equity.

The notice also states that: CII is a corporation validly existing under the laws of the State of California, in the Unites States of America; no other company belonging to the economic group of CII has equity stake in the Company; it is a minority investment which does not change the control or the management structure of the Company; currently, there is no specific quantity of shares of Alliar targeted by CII; CII has no other financial instruments referenced on Alliar’s shares; no agreement or contract regulating the exercise of the voting right or the purchase and sale of securities issued by the Company was executed by CII.

The original letter, with the above information, was received in Portuguese and is attached to this Notice to the Market.

Frederico de Aguiar Oldani