Rio de Janeiro, January 9th, 2013 – Petróleo Brasileiro S.A.

– Petrobras announces that extension well 3-BRSA-1128-ESS, whose objective is to delineate the accumulation, has confirmed the presence of light oil and gas in sandstones reservoirs in the post-salt of Espírito Santo Basin.

Discovery of the accumulation had already been announced on December 17th, 2010, when well 1-BRSA-882-ESS, known as Indra, was drilled.

 

The new well, informally known as Arjuna, is part of the 1-BRSA-882-ESS (Indra) Evaluation Plan, and is about 130 km off the coast of Espírito Santo state and 0.9 km northwest of the discovery well.

 

The oil reservoirs, whose age ranges from the Paleocene to the Santonian, have a total thickness of some 200 meters and are approximately 3,679 meters deep, at a water depth of 2,143 meters.

 

A formation test will be carried out to assess the productivity of the reservoir.

As verified in the discovery well, the oil found is of good quality (29º API).

 

The consortium of concession BM-ES-22A (Block ES-M-527), made up by Petrobras (75%), as operator, and Vale (25%), will proceed with the activities and investments set out in the Discovery Evaluation Plan (PAD), approved by Brazil’s National Petroleum, Natural Gas and Biofuels Agency (ANP).