13 November 2013, News Wires – Petroliam Nasional Berhad (Petronas) posted a 19.5 percent increase in net profit in the July-September quarter to $5.37 billion (MYR 17.19 billion), compared to $4.49 billion (MYR 14.38 billion) in the corresponding period last year, according to an interim financial report released by the Malaysia's national oil company Tuesday.