Relações com Investidores: +55 11 2565-4834/7938/4207/4418/4729 | RI@B3.COM.BR 1

B3 S.A. – Brasil, Bolsa, Balcão

CNPJ nº 09.346.601/0001-25

NIRE 35.300.351.452

NOTICE TO THE MARKET Class Actions and Administrative Improbity Actions - Bancos Marka and

Fontecindam

B3 S.A. – Brasil, Bolsa, Balcão ("Company" or "B3") informs hereby that it has obtained

a favorable decision in relation to the Marka and Fontecindam case.

The Federal Regional Court of the 1st Region has accepted B3's appeals filed against

the rulings made in the class actions and administrative improbity actions involving the

Marka and Fontecindam case, so as to exclude the Company's liability for the

reimbursement of alleged damages suffered by the Treasury in connection with

transactions closed by the Brazilian Central Bank, in January, 1999, in the US Dollar

Futures Market. The decision is still subject to appeals.

The judicial lawsuits mentioned in the Notice are described in item 4.3 of the Reference

Form and have been addressed in the Notice to the Market released on 03.27.2012.

São Paulo, June 21, 2017

Daniel Sonder

Chief Financial, Corporate and Investor Relations Officer