Notice to the Market

Decrease of Major Shareholding

Porto Alegre, April 30, 2018 - Banco do Estado do Rio Grande do Sul S.A. ("Banrisul") (B3 S.A. BRASIL BOLSA BALCÃO: BRSR3; BRSR5; BRSR6), financial institution headquartered at Rua Capitão Montanha, 177, Porto Alegre, Rio Grande do Sul, Corporate Taxpayers (CNPJ/MF) No. 92.702.067/0001-96, in compliance with CVM Instruction No. 358/02 as amended, hereby informs the market and stakeholders that the State of Rio Grande do Sul, the Controlling Shareholder, sold, at the price of R$17.65 per share, 2,974,500 Banrisul shares in an auction carried out at the Brazilian Stock Exchange in April 27, 2018 (see attached document), therefore reducing their shareholding according to current regulations.

Banrisul clarifies that the Controlling Shareholder’s shareholding reduced to 49.89% from 50.62% of the Bank’s capital stock, being now composed by 201,225,359 common shares, 751,479 class A preferred shares and 2,056,962 class B preferred shares, and amounting to 98.13%, 48.72% and 1.02% of each type of share, respectively.

The control of Banrisul remains unchanged.

Júlio Francisco Gregory Brunet
Planning, Service Channels and Investor Relations Officer
Banco do Estado do Rio Grande do Sul S.A. - Banrisul

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