PROPERTI PERTAMBANGAN MINE PROPERTIES

PT TOBA BARA SEJAHTRA TBK DAN ENTITAS ANAK CATATAN ATAS LAPORAN KEUANGAN INTERIM KONSOLIDASIAN 30 Juni 2017 tidak diaudit dan 31 Desember 2016 diaudit dan Periode Enam Bulan yang berakhir pada Tanggal-tanggal 30 Juni 2017 tidak diaudit dan 2016 tidak diaudit Disajikan dalam Dolar Amerika Serikat, kecuali dinyatakan lain PT TOBA BARA SEJAHTRA TBK AND ITS SUBSIDIARIES NOTES TO THE INTERIM CONSOLIDATED FINANCIAL STATEMENTS June 30, 2017 unaudited and December 31, 2016 audited And Six Months Period ended June 30, 2017 unaudited and 2016 unaudited Expressed in United States Dollar, unless otherwise stated 68 12. PROPERTI PERTAMBANGAN 12. MINE PROPERTIES Aset Tambang aktivitas dalam Tambang pengupasan konstruksi produksi tanah Mine under Producing Stripping asset Total Construction Mines activity Total Balance as of Saldo 1 Januari 2017 3.769.311 65.325.534 49.753.069 118.847.914 January 1, 2017 Penambahan selama Additions during periode berjalan 1.814 810.494 1.555.168 2.367.476 the period Dibebankan ke biaya tambang - - 625.879 625.879 Charged to mining costs 3.771.125 66.136.028 50.682.358 120.589.511 Dikurangi: Less: Saldo awal - 23.398.362 27.510.890 50.909.252 Beginning balance Amortisasi selama Amortization during periode berjalan - 1.774.571 145.553 1.920.124 the period Akumulasi amortisasi - 25.172.933 27.656.443 52.829.376 Accumulated amortization Penyisihan kerugian Allowance for penurunan nilai - - 443.971 443.971 impairment losses Nilai tercatat neto Net carrying amount 30 Juni 2017 3.771.125 40.963.095 22.581.944 67.316.164 June 30, 2017 Aset Tambang aktivitas dalam Tambang pengupasan konstruksi produksi tanah Mine under Producing Stripping asset Total Construction Mines activity Total Balance as of Saldo 1 Januari 2016 3.715.759 64.017.146 47.061.850 114.794.755 January 1, 2016 Penambahan selama 2016 71.628 1.290.312 2.691.219 4.053.159 Additions during 2016 Transfer dari “Aset Eksplorasi Transfer from “Exploration and dan Evaluasi” - - - - Evaluation Assets” Transfer 18.076 18.076 - - Transfer 3.769.311 65.325.534 49.753.069 118.847.914 Dikurangi: Less: Saldo awal - 20.033.737 23.775.804 43.809.541 Beginning balance Amortisasi tahun berjalan - 3.364.625 3.735.086 7.099.711 Current year amortization Akumulasi amortisasi - 23.398.362 27.510.890 50.909.252 Accumulated amortization Penyisihan kerugian Allowance for penurunan nilai - - 443.971 443.971 impairment losses Nilai tercatat neto Net carrying amount 31 Desember 2016 3.769.311 41.927.172 21.798.208 67.494.691 December 31, 2016 Beban amortisasi tambang produksi selama 2017 sebesar AS1.774.571 dilaporkan sebagai amortisasi aset pertambangan dalam biaya produksi

2016: AS1.774.521 Catatan 30.