Rio de Janeiro, August 18, 2015 – Petróleo Brasileiro S.A. – Petrobras hereby informs that, pursuant to CVM Instruction 480/09, it has published in the system of the Brazilian Securities and Exchange Commission (CVM) an acknowledgement relating to the meeting of the Board of Directors held on August 6, 2015, which resolved on the following issues related to IPO of Petrobras Distribuidora (BR):

(i) the recommendation that BR submit a request to the CVM for registration as a category “A” publicly-held company and submit an application to the BM&FBOVESPA for the trading of securities on the Novo Mercado segment;

(ii) approval, as offeror, of the presentation before the CVM, of the request to register the public offering of the secondary distribution of shares issued by BR, corresponding to 25% of its capital stock, and the application for the option to distribute a supplementary lot (Green Shoe) and an additional lot (Hot Issue), within the context of the public offering;

(iii) the recommendation that BR approve, before the CVM, the request for registration of the public offering of a secondary distribution of BR shares, corresponding to 25% of its capital stock.

This release should not be regarded as an offering announcement and said offering will depend on favorable national and international capital market conditions.

Facts deemed relevant to this issue will be communicated to the market in a timely manner.