PIUTANG USAHA TRADE RECEIVABLES The details of trade receivables are as follows:

PT ELNUSA Tbk DAN ENTITAS ANAKAND SUBSIDIARIES Lampiran 547 Schedule CATATAN ATAS LAPORAN KEUANGAN INTERIM KONSOLIDASIAN 30 SEPTEMBER 2012 TIDAK DIAUDIT DAN 31 DESEMBER 2011 DIAUDIT DAN PERIODE SEMBILAN BULAN BERAKHIR 30 SEPTEMBER 2012 DAN 2011 TIDAK DIAUDIT Disajikan dalam jutaan Rupiah, kecuali dinyatakan lain NOTES TO THE INTERIM CONSOLIDATED FINANCIAL STATEMENTS 30 SEPTEMBER 2012 UNAUDITED AND 31 DECEMBER 2011AUDITED AND FOR THE NINE MONTHS PERIODS ENDED 30 SEPTEMBER 2012 AND 2011 UNAUDITED Expressed in millions of Rupiah, unless otherwise stated

6. PIUTANG USAHA

Rincian piutang usaha adalah sebagai berikut:

6. TRADE RECEIVABLES The details of trade receivables are as follows:

30 September 2012 31Desember 2011 30 September 2012 31 December 2011 Pihak ketiga Third parties Difakturkan Billed PT Total EP Indonesie 90,738 100,791 PT Total EP Indonesie Chevron West Papua III,Ltd 87,850 KSO Pertamina EP – Benakat KSO Pertamina EP - Benakat Barat Petroleum 47,758 60,411 Barat Petroleum Pasir Petroleum Resources 20,196 19,101 Pasir Petroleum Resources PT Andoyo Tofan Nugraha Abadi 14,396 15,646 PT Andoyo TofanNugraha Abadi Virginia Indonesia Company LLC 13,639 12,910 Virginia Indonesia Company LLC PT Rizki Astri Permata 10,266 3,970 PT Rizki Astri Permata PT Intimas Prima Daya 6,558 - PT Intimas Prima Daya PT. Sunindo Pratama 6,105 - PT. Sunindo Pratama Chevron Indonesia Company 5,993 14,843 Chevron Indonesia Company BUT Salamander Energy 5,552 - BUT Salamander Energy Kondur Petroleum SA 5,354 . 2,436 Kondur Petroleum S.A PT Holcim Indonesia Tbk 3,014 2,891 PT Holcim Indonesia Tbk PT Bayu Sinergi 1,788 2,979 PT Bayu Sinergi Lain-lain masing-masing di bawah Others below Rp1miliar 100,227 152,180 Rp1 billion each Sub-jumlah 419,434 388,158 Sub-total Belum difakturkan Unbilled PT Total EP Indonesie 107,808 30,426 PT Total EP Indonesie Chevron West Papua III, Ltd 54,795 - Chevron West Papua I, Ltd Chevron Indonesia Company 17,778 10,326 Chevron Indonesia Company Virginia Indonesia Company LLC 13,400 12,430 Virginia Indonesia Company LLC PT. Chevron West Papua I, Ltd 6,063 64,414 Chevron West Papua I, Ltd Departemen Energi Sumber Departemen Energi dan Sumber Daya Mineral 5,879 - Daya Mineral PT Energi Mineral Langgeng 3,383 - PT Energi Mineral Langgeng JOB Pertamina - Petrochina JOB Pertamina Petrochina East Java 3,281 6,326 East Java Medco EP 2,312 3,111 PT. Medco EP PT Intimas Prima Daya 1,444 - PT Intimas Prima Daya PT. Sunindo Pratama 1,284 - PT. Sunindo Pratama Camar Resources Ltd 22 15,372 Camar Resources Ltd Lain-lain masing-masing di bawah Others below Rp1miliar 16,423 50,075 Rp1billion each Sub-jumlah 233,872 192,480 Sub-total Jumlah pihak ketiga 653,306 580,638 Total third parties Cadangan penurunan nilai 72,082 51,272 Provision for impairment Pihak ketiga 581,224 529,366 Third parties Pihak berelasi Catatan 27 461,127 665,674 Related parties Note 27 Bersih 1,042,351 1,195,040 Net PT ELNUSA Tbk DAN ENTITAS ANAKAND SUBSIDIARIES Lampiran 548 Schedule CATATAN ATAS LAPORAN KEUANGAN INTERIM KONSOLIDASIAN 30 SEPTEMBER 2012 TIDAK DIAUDIT DAN 31 DESEMBER 2011 DIAUDIT DAN PERIODE SEMBILAN BULAN BERAKHIR 30 SEPTEMBER 2012 DAN 2011 TIDAK DIAUDIT Disajikan dalam jutaan Rupiah, kecuali dinyatakan lain NOTES TO THE INTERIM CONSOLIDATED FINANCIAL STATEMENTS 30 SEPTEMBER 2012 UNAUDITED AND 31 DECEMBER 2011AUDITED AND FOR THE NINE MONTHS PERIODS ENDED 30 SEPTEMBER 2012 AND 2011 UNAUDITED Expressed in millions of Rupiah, unless otherwise stated 6. PIUTANG USAHA lanjutan 6.