PT Medco Energi Internasional Tbk (MEDC) booked net profit of US$21.63 million only in the first quarter of 2018, crashed 50% from the corresponding period last year due to, among others, lower contribution from its investment in gold-copper mining company PT Amman Mineral Nusa Tenggara (previously Newmont Nusa Tenggara).To subscribe please click here