Penambahan 30 participating interest PT Addition of PT PHE West Madura’s 30 Akuisisi Inpex Jawa Limited dan Inpex

PERTAMINA | Laporan Tahunan - Annual Report 2011 369 PT PERTAMINA PERSERO DAN ENTITAS ANAKAND SUBSIDIARIES Lampiran 583 Schedule CATATAN ATAS LAPORAN KEUANGAN KONSOLIDASIAN 31 DESEMBER 2011 DAN 2010 DAN 1 JANUARI 2010 Dinyatakan dalam jutaan Rupiah, kecuali dinyatakan lain NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS 31 DECEMBER 2011 AND 201 0 AND 1 JANUARY 2010 Expressed in millions of Rupiah, unless otherwise stated

5. PENAMBAHAN PARTICIPATING INTEREST DI

BLOK WEST MADURA OFFSHORE DAN AKUISISI INPEX JAWA LIMITED, INPEX SUMATERA LIMITED lanjutan 5. ADDITION OF PARTICIPATING INTEREST AT WEST MADURA OFFSHORE BLOCK AND ACQUISITION OF INPEX JAWA LIMITED, INPEX SUMATERA LIMITED continued

a. Penambahan 30 participating interest PT

PHE West Madura di Blok West Madura Offshore lanjutan

a. Addition of PT PHE West Madura’s 30

participating interest in West Madura Offshore Block continued Berikut adalah rincian aset bersih termasuk hak dan kewajiban yang dicatat oleh PHE dan Entitas Anak: The following is the details of net assets included right and obligation recorded by the PHE and Subsidiaries’: 6 MeiMay 2011 Dana yang dibatasi penggunaannya 7,722 Restricted funds Piutang 8,655 Receivables Biaya dibayar di muka 2,667 Prepayments Piutang pajak 6,336 Income tax receivables Persediaan 20,025 Inventor ies Aset minyak dan gas bumi, bersih 209,029 Oil and gas properties, net Utang 33,486 Payables Utang lain-lain 39,018 Other payables Biaya yang masih harus dibayar 3,930 Accrued expenses Utang pajak 77 Taxes payable Aset bersih yang diperoleh 177,923 Net assets acquired Aset bersih yang akan diselesaikan 177,923 Net assets to be settled

b. Akuisisi Inpex Jawa Limited dan Inpex

Sumatera Limited Inpex b. Acquisition of Inpex Jawa Limited and Inpex Sumatera Limited Inpex Efektif sejak tanggal 30 September 2010, PHE mengakuisisi 100 modal saham Inpex Jawa Limited sekarang “Pertamina Hulu Energi Jawa Limited” seharga US74.345.000 dari Inpex Corporation 83,5, Shoseki Overseas Oil Development Co. Ltd. 12,5, dan Jx Nippon Oil Gas Exploration Corporation 4. Effective from 30 September 2010, PHE acquired 100 of the shares of Inpex Jawa Limited now renamed “Pertamina Hulu Energi Jawa Limited” for US74,345,000 from Inpex Corporation 83.5, Shoseki Overseas Oil Development Co. Ltd. 12.5, and Jx Nippon Oil Gas Exploration Corporation 4. Inpex Jawa Limited adalah perusahaan yang berdomisili di Jepang yang memiliki 7,25 participating interest di KKS Offshore Northwest Java ONWJ. Inpex Jawa Limited memiliki 100 saham Inpex Sumatera Limited sekarang “Pertamina Hulu Energi Sumatera Limited” yang berdomisili di Jepang dan memiliki 13,0674 participating interest di KKS Offshore Southeast Sumatera. Inpex Jawa Limited, a corporation domiciled in Japan holds a 7.25 participating interest in the Offshore Northwest Java ONWJ PSC. Inpex Jawa Limited has a 100 ownership interest in Inpex Sumatera Limited now renamed “Pertamina Hulu Energi Sumatera Limited”, a corporation domiciled in Japan, which holds a 13.0674 participating interest in the Offshore Southeast Sumatera PSC. PERTAMINA | Laporan Tahunan - Annual Report 2011 370 PT PERTAMINA PERSERO DAN ENTITAS ANAKAND SUBSIDIARIES Lampiran 584 Schedule CATATAN ATAS LAPORAN KEUANGAN KONSOLIDASIAN 31 DESEMBER 2011 DAN 2010 DAN 1 JANUARI 2010 Dinyatakan dalam jutaan Rupiah, kecuali dinyatakan lain NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS 31 DECEMBER 2011 AND 201 0 AND 1 JANUARY 2010 Expressed in millions of Rupiah, unless otherwise stated

5. PENAMBAHAN PARTICIPATING INTEREST DI