The Company‘s capital stock is composed of 23,357,027 common shares, all nominative, registered and with no par value.

Shareholder Last Update Common Shares Participation
ALASKA Investimentos Ltda 03/08/2017 6,247,968 26.75%
PETROS 08/11/2014 2,347,059 10.05%
Treasury 1,218,772 5.22%
Others 13,543,228 57.98%
Total 23,357,027 100.00%

Any person, company or group of people acting together or representing the same interest that acquires or disposes either direct or indirect participation corresponding to 5% (five percent) or more in type or class of shares representing the capital of a publicly held company, shall inform the company about the equity holding change, according to the Brazilian Securities Law.