Crude output fell 1% in February to 2.20Mb/d while natural gas volumes dipped by the same amount to 80.2Mm3/d, Petrobras said in a statement.
Authorities amend rules of the first three auctions of the country's second oil and gas licensing round.
Multilateral discussions this week in Chile are working to build a new framework for Asia-Pacific trade in the wake of the TPP demise. A meeting with Mercosur is next.
OPEC forecasts the region's oil supply will increase to 5.3Mb/d this year.
Swiss trader Glencore reportedly will supply 180,000b/d of gasoline and diesel to 1,400 gas stations.
The federal audit court has ordered Petrobras to halt negotiations with a raft of potential buyers amid allegations the company breached competition and transparency rules. The state-run oil firm has also been hit by civil suits initiated by oil union representatives.
The hydrocarbons commission inks 35-year E&P contracts, marking the end of the country's Round One of oil and gas license auctions.