Rio de Janeiro, June 6, 2016 – Petróleo Brasileiro S.A. – Petrobras hereby responds to Official Letter 237/2016-CVM/SEP/GEA-1.which requests the following clarifications:

Official Letter 237/2016-CVM/SEP/GEA-1

“Dear Officer,

We refer to the Notice to the Market disclosed by BM&FBOVESPA S.A. – Securities, Commodities and Futures Exchange on May 20, 2016, which contains the following affirmations:

BM&FBOVESPA S.A. – Securities, Commodities and Futures Exchange (“Company”) hereby announces that Mr. Pedro Pullen Parente has informed the Company that, subject to approval by the Board of Directors of Petróleo Brasileiro S.A. – Petrobras, he has accepted an invitation to take up the post of Chief Executive Officer of Petrobras, adding that, if confirmed by the respective governance bodies that there is no intrinsic conflict of interest, he would remain as Chairman of the Board of Directors of BM&FBOVESPA.

Given the above, we request that you confirm if the issuer’s corporate governance body has already issued its findings regarding this matter, stating your understanding, if the case, together with any other information deemed important.”

Clarification

Petrobras informs that the appointment of Mr. Pedro Pullen Parente for the Board of Directors and as CEO of Petrobras was analyzed by the Company’s Compensation and Succession Committee, who saw no conflict of interest that prevents him from taking these positions the Company, considering that the executive now holds the position of Chairman of the Board of Directors of BM&FBOVESPA.

The review process followed the applicable internal procedures of governance, including legal and compliance assessment, besides a legal opinion issued by external law firm, which found no legal impediment and served as one of subsidies for the decision of the Board of Directors of Petrobras, on 05.30.2016, to appoint Mr. Pedro Pullen Relative to these positions.