B3 Brasil Bolsa Balcão : Notice to the Market - Increase of Shareholder Position - GIC

B3 S.A. - Brasil, Bolsa, Balcão

Brazilian Federal Taxpayer CNPJ No 09.346.601/0001-25

Corporate Registry (NIRE) 35.300.351.452

NOTICE TO THE MARKET

INCREASE OF SHAREHOLDER POSITION

B3 S.A. - Brasil, Bolsa, Balcão ("Company") announces that, in accordance with the Article 12 of the CVM Instruction 358/02 from the Securities and Exchange Commission of Brazil (Comissão de Valores Mobiliários - CVM), as amended, and the Company's Bylaws, received a notice from its shareholder GIC Privated Limited ("GIC"), informing that their participation reached, in aggregate, 104,367,087 common shares, representing 5.07% from the Company's total capital. The full correspondence is attached to this notice.

São Paulo, January 23, 2018.

Daniel Sonder

Chief Financial, Corporate and Investor Relations Officer

Investor Relations [phone]/4418/4207/7451/|[e-mail]

23 January 2018

Attn:

Daniel Sander

Investor Relations Director

B3 S.A. - BRASIL, BOLSA, BALCAO P<; Antonio Prado. 48 - 7° Floor 1010901

City: Sao Paulo State: SP

Brazil

Dear Sir,

OFFICIAL DECLARATION-POSITION IN B3 S.A. -BRASIL, BOLSA, BALCAO

SHARES

Pursuant to Article 12 of CVM Instruction no. 358, we, GIC Private Limited ("GIC'') are required to notify B3 S.A. - Brasil, Bolsa, Balcao that our aggregate holdings in B3 S.A. - Brasil, Bolsa, Balcao Shares (ISIN: BRBVMFACNOR3) have reached the 5% disclosure limit as of 19 January 2018. The table below indicates the details of our holdings:

Passenger

Qualification

Tax ID

Holdings

Ace Name

% Holdings*

Government of SingaporeLegal entity 08.765.815/0001-73 78,511,237 3.813% constituted outside Brazil

Monetary Authority Singapore

of

Legal entity 05.840.118/0001-41 constituted outside Brazil

25,855,850 1.256%

Total Holdings 104,367,087 5.068%

Legal Representative

Full name: Citibank Distribuidora De Titulos E Valores Mobiliarios S.A. Tax ID: 33.868.597/0001-40

* Based on number of Common shares of 2,059,138,490

Other than the shareholding detailed above, we do not hold, directly or indirectly, any other shares, rights over shares, other securities, and financial derivative instruments referenced to shares on B3 S.A. - Brasil, Bolsa, Balcao at the time of writing.

CIC Private Limited

168 Robinson Road #37-01 Capital Tower Singapore 068912 Tel: [phone]

Company Registration No., 198102265N

Please be informed that our interest in 83 S.A. - Brasil, Bolsa, Balcao extends only as far as maintaining a diversified trading portfolio. As such, we have no interest in altering the composition of the control or administrative structures of 83 S.A. - Brasil, Bolsa, Balcao

Furthermore, at the time of writing, we are not a party to any agreement or contract regulating the right to vote or purchase and sell securities issued by 83 S.A. - Brasil, Bolsa, Balcao

Finally, we would be grateful if you would forward this declaration to the Comissiio de Va/ores Mobiliarios, Bovespa.

Please do not hesitate to contact Mr Jimmy Teo at 65-68898787 [e-mail] should you require any further information or clarification.

Thank you for your kind attention.

Yours faithfully,

Celine Loh Sze Ling	Jimmy Teo Poh Leong
Senior Vice President	Senior Vice President
Investment Operations Department	Investment Operations Department