SHARE CONVERSION

Porto Alegre, October 21, 2015.

Banco do Estado do Rio Grande do Sul S.A. (Banrisul), considering the option to convert its class A preferred (PNA) shares into common (ON) shares or class B preferred (PNB) shares issued by the Company, hereby notifies, for knowledge and disclosure, that, after the conversion of 3,000 (three thousand) class A preferred shares into common shares (ON), the Company’s capital stock was altered, as shown below:

Capital Stock on of October 01, 2015, date of last modification.

Common Shares: 205,045,077
Class A Preferred Shares: 3,526,669
Class B Preferred Shares: 200,402,731
Total 408,974,477

Capital Stock after Conversions as of October 21, 2015.

Common Shares: 205,048,077
Class A Preferred Shares: 3,523,669
Class B Preferred Shares: 200,402,731
Total 408,974,477

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BANRISUL S.A.

Ricardo Richiniti Hingel
CFO and Investor Relations Officer
Telefone: +55 (51) 3215-3232
E-mail: ir@banrisul-ri.com.br
Website: www.banrisul.com.br/ir