Brazil's state-controlled oil corporation, Petróleo Brasileiro SA (Petrobras), has completed its divestment plan for 2015 by selling its 49% stake in the Gaspetro gas distribution unit worth $500m to the Japanese company, Mitsui & Co Ltd.

Brazil’s national oil company said a graft scandal cost it 6.2 billion reais ($2.1 billion) after a five-month internal debate that shut off access to bond markets, cost the chief executive her job and destabilized the country’s politics.

Economist Guido Mantega resigned on 23 March from the Petrobras’ Board of Directors, leaving his position as chairman