PBR.A Petroleo Brasileiro ADR

Petrobras confirms good productivity of Sergipe Basin’s Farfan reservoirs

Rio de Janeiro, April 16, 2015 – Petróleo Brasileiro S.A. – Petrobras announces it has completed the formation test (evaluation of an oil deposit’s potential) on well 3-BRSA-1286-SES (ANP nomenclature), located in concession BM-SEAL-11, in ultra-deep waters of Sergipe-Alagoas Basin.

Drilling activities have confirmed two light oil and gas bearing compartments: the upper one is 44 meters thick while the lower one is 11 meters. The second compartment represents a new discovery for the area. The well is 102.7 km from the city Aracaju (SE) and 10.3 km from the discovery well, at a water depth of 2,467 meters. Results of the formation test have confirmed the occurrence of light oil (37º API) and the good productivity of the reservoirs.

This is the third extension well at Farfan, which was discovered in October 2012. An announcement regarding the well’s initial drilling results was made on February 2 of this year.

The consortium, operated by Petrobras (60%) in partnership with IBV-Brasil (40%), will proceed with the Discovery Evaluation Plan (PAD)

www.petrobras.com.br/ir

Contacts:

PETRÓLEO BRASILEIRO S.A. – PETROBRAS | Investor Relations Department I e-mail: petroinvest@petrobras.com.br

Av. República do Chile, 65 – 10th floor, 1002 – B – 20031-912 – Rio de Janeiro, RJ | Phone: 55 (21) 3224-1510 / 3224-9947

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