State coal producer PT Tambang Batubara Bukit Asam (PTBA) Tbk posted net profit of Rp332.6 billion in the first quarter of 2016, down slightly from Rp340.3 billion in the corresponding period of last year, but mainly due to 37% jump in income tax expenses. Overall, the Company reported a strong quarter amidst significant fall of thermal coal prices.To subscribe please click here