The Group’s Contract Area Operatorship

PT PERTAMINA PERSERO DAN ENTITAS ANAKNYA INFORMASI TAMBAHAN Tanggal 31 Desember 2016 dan untuk Tahun yang Berakhir pada Tanggal Tersebut Dinyatakan dalam ribuan Dolar Amerika Serikat, kecuali dinyatakan lain Tidak Diaudit PT PERTAMINA PERSERO AND ITS SUBSIDIARIES SUPPLEMENTAL INFORMATION As of December 31, 2016 and for the Year Then Ended Expressed in thousands of US Dollars, unless otherwise stated Unaudited ii ESTIMASI CADANGAN MINYAK DAN GAS BUMI lanjutan ESTIMATED CRUDE OIL AND NATURAL GAS RESERVES continued Cadangan minyak dan gas bumi per 31 Desember 2016 Crude oil and natural gas reserves as of December 31, 2016 Entitas AnakSubsidiaries Saldo awal 1 Jan 2015 Beginning balance Jan 1, 2015 Penambahan dan Penyesuaian Addition and Adjustments Produksi Production Saldo akhir 31 Des 2015 Ending balance Dec 31, 2015 Penambahan dan Penyesuaian Addition and Adjustments Produksi Production Saldo akhir 31 Des 2016 Ending balance Dec 31, 2016 V AsetAsset 5 - Minyak dan kondensatOil and condensate MBBLs 144.814 1.040 7.122 138.732 62.343 6.852 69.537 - Gas bumiNatural gas MBOE 119.435 30.396 954 88.085 81.957 1.122 5.006 VI KBTTAC - Minyak dan kondensatOil and condensate MBBLs 147.286 16.592 2.016 161.862 128.067 1.129 32.666 - Gas bumiNatural gas MBOE 179.484 111.521 847 67.116 65.566 486 1.064 VII KSOOC - Minyak dan kondensatOil and condensate MBBLs 299.710 22.405 3.159 274.146 156.700 2.173 115.273 - Gas bumiNatural gas MBOE 41.819 64.010 640 105.189 85.140 306 19.743 VIII ProyekProject - Minyak dan kondensatOil and condensate MBBLs 13.783 2.998 578 10.207 7.343 343 2.521 - Gas bumiNatural gas MBOE 189.564 40.448 6.312 223.700 140.617 2.855 80.228 Sub jumlah cadanganSub-total reserves minyakoil 1.368.368 6.837 36.594 1.324.937 581.482 30.625 712.830 Sub jumlah cadanganSub-total reserves gas buminatural gas 1.504.471 5.177 63.988 1.435.306 404.249 62.494 968.563 PT Pertamina Hulu Energi: I WilayahRegion Jawa JOB-PSC,PPI,IP,BOB 2 blokblocks - Minyak dan kondensatOil and condensate MBBLs 7.692 2.776 3.831 6.637 982 3.461 4.158 - Gas bumiNatural gas MBOE 5.672 1.509 1.960 5.221 171 1.029 4.363 Operasi SendiriOwn Operation ONWJ danand WMO - Minyak dan kondensatOil and condensate MBBLs 130.993 19.795 12.433 138.355 10.606 10.393 138.568 - Gas bumiNatural gas MBOE 126.295 2.581 12.246 111.468 6.354 10.184 107.638 II WilayahRegion Sumatera 10 blokblocks - Minyak dan kondensatOil and condensate MBBLs 43.323 615 6.387 37.551 4.429 6.571 26.551 - Gas bumiNatural gas MBOE 84.987 13.822 22.991 75.818 14.927 14.155 76.590 III WilayahRegion Kalimantan, Sulawesi danand Papua 6 blokblocks - Minyak dan kondensatOil and condensate MBBLs 13.127 2.732 1.549 14.310 4.795 2.482 16.623 - Gas bumiNatural gas MBOE 132.429 2.818 5.510 129.737 250 10.490 119.497 PT PERTAMINA PERSERO DAN ENTITAS ANAKNYA INFORMASI TAMBAHAN Tanggal 31 Desember 2016 dan untuk Tahun yang Berakhir pada Tanggal Tersebut Dinyatakan dalam ribuan Dolar Amerika Serikat, kecuali dinyatakan lain Tidak Diaudit PT PERTAMINA PERSERO AND ITS SUBSIDIARIES SUPPLEMENTAL INFORMATION As of December 31, 2016 and for the Year Then Ended Expressed in thousands of US Dollars, unless otherwise stated Unaudited iii ESTIMASI CADANGAN MINYAK DAN GAS BUMI lanjutan ESTIMATED CRUDE OIL AND NATURAL GAS RESERVES continued Cadangan minyak dan gas bumi per 31 Desember 2016 Crude oil and natural gas reserves as of December 31, 2016 Entitas AnakSubsidiaries Saldo awal 1 Jan 2015 Beginning balance Jan 1, 2015 Penambahan dan Penyesuaian Addition and Adjustments Produksi Production Saldo akhir 31 Des 2015 Ending balance Dec 31, 2015 Penambahan dan Penyesuaian Addition and Adjustments Produksi Production Saldo akhir 31 Des 2016 Ending balance Dec 31, 2016 IV Luar NegeriOverseas - Minyak dan kondensatOil and condensate MBBLs 66 1.280 - 1.346 1.346 - - - Gas bumiNatural gas MBOE 944 1 - 945 945 - - Sub jumlah cadanganSub-total reserves minyakoil 195.201 27.198 24.200 198.199 10.608 22.907 185.900 Sub jumlah cadanganSub-total reserves gas buminatural gas 350.327 15.569 42.707 323.189 20.757 35.858 308.088 PT Pertamina EP Cepu : - Minyak dan kondensatOil and condensate MBBLs 132.303 367 11.863 120.073 51.610 28.074 143.609 - Gas bumiNatural gas MBOE - non-sales 91.108 56.691 412 34.005 636 893 33.748 Sub jumlah cadanganSub-total reserves minyakoil 132.303 367 11.863 120.073 51.610 28.074 143.609 Sub jumlah cadanganSub-total reserves gas buminatural gas 91.108 56.691 412 34.005 636 893 33.748 PT Pertamina Internasional Eksplorasi Produksi: I PT Pertamina Irak Eksplorasi Produksi - Minyak dan kondensatOil and condensate MBBLs 154.244 40.954 2.048 193.150 6.381 2.700 196.831 - Gas bumiNatural gas MBOE - non-sales - - - - - - - II PT Pertamina Malaysia Eksplorasi Produksi PMEP - Minyak dan kondensatOil and condensate MBBLs 28.075 84.276 8.097 104.254 26.795 7.701 123.348 - Gas bumiNatural gas MBOE - non-sales 41.112 52.503 5.975 87.640 48.692 5.431 130.901 III PT Pertamina Algeria Eksplorasi Produksi PAEP - Minyak dan kondensatOil and condensate MBBLs - - - - 89.839 8.205 81.634 - Gas bumiNatural gas MBOE - non-sales - - - - - - - Sub jumlah cadanganSub-total reserves minyak dan kondensatoil and condensate MBBLs 182.319 125.230 10.145 297.404 123.015 18.606 401.813 Sub jumlah cadanganSub-total reserves gas buminatural gas MBOE 41.112 52.503 5.975 87.640 48.692 5.431 130.901 Proyek dalam tahap negosiasithe project is under negotiation