State coal miner Bukit Asam (PTBA), subsidiary of state mining giant INALUM, booked a net profit of Rp1.15 trillion in the first quarter (Q1) of 2019, declined 21.9% from Rp1.47 trillion in the corresponding period of 2018, as revenues fell 7.1% to Rp5.3 trillion from previous Rp5.75 trillion. Cost of revenue also declined by 12.4% to Rp3.56 trillion from earlier Rp3.16 trillion.

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