SOURCES OF ESTIMATION UNCERTAINTY

the Indonesian language. PT CITRA TUBINDO Tbk DAN ENTITAS ANAKNYA CATATAN ATAS LAPORAN KEUANGAN KONSOLIDASIAN INTERIM 30 Juni 2014 dan Periode Enam Bulan yang Berakhir pada Tanggal Tersebut Disajikan dalam dolar AS, kecuali dinyatakan lain PT CITRA TUBINDO Tbk AND ITS SUBSIDIARIES NOTES TO THE INTERIM CONSOLIDATED FINANCIAL STATEMENTS As of June 30, 2014 and for the Six Months then Ended Expressed in U.S. dollars, unless otherwise stated 40 4. KAS DAN SETARA KAS lanjutan 4. CASH AND CASH EQUIVALENTS continued Tingkat suku bunga deposito berjangka selama enam bulan yang berakhir pada tanggal 30 Juni 2014 dan untuk tahun yang berakhir pada tanggal 31 Desember 2013 adalah sebagai berikut: The interest rates on the time deposits during the six months ended June 30, 2014 and for the year ended December 31, 2013 were as follows: 30 Juni 2014 31 Desember 2013 June 30, 2014 December 31, 2013 Dolar AS 0,05 - 1,55 0,06 - 2,00 U.S. dollars Rupiah 4,05 - 7,75 3,30 - 7,25 Rupiah Dolar Singapura 0,21 0,21 Singapore dollars Euro 1,23 1,23 Euro 5. PIUTANG USAHA 5. TRADE RECEIVABLES Rincian piutang usaha adalah sebagai berikut: Trade receivables consist of the following: 30 Juni 2014 31 Desember 2013 June 30, 2014 December 31, 2013 Oudeh Petroleum Company 8.119.317 8.119.317 Oudeh Petroleum Company Amalgamated Pipes Investment Ltd 4.497.325 4.595.900 Amalgamated Pipes Investment Ltd Premier Oil Natuna Sea Ltd 1.608.699 994.326 Premier Oil Natuna Sea Ltd Cairn Energy India Pty Ltd 146.041 3.421.125 Cairn Energy India Pty Ltd Total E P Indonesie 31.075 10.493.707 Total E P Indonesie China National Offshore China National Offshore Oil Company SES Ltd 18.108 1.645.700 Oil Company SES Ltd Mobil Cepu Ltd - 1.814.873 Mobil Cepu Ltd Lain-lain masing-masing di bawah AS1.000.000 4.449.833 4.224.510 Others each below US1,000,000 Jumlah 18.870.398 35.309.458 Total Dikurangi penyisihan atas kerugian Less allowance for impairment losses penurunan nilai piutang usaha 8.814.991 8.815.642 on trade receivables Pihak ketiga - neto 10.055.407 26.493.816 Third parties - net Pihak-pihak berelasi - neto Catatan 6 7.197.194 24.898.905 Related parties - net Note 6 Neto 17.252.601 51.392.721 Net Rincian piutang usaha menurut jenis mata uang adalah sebagai berikut: The details of trade receivables based on currency are as follows: 30 Juni 2014 31 Desember 2013 June 30, 2014 December 31, 2013 Dolar AS 14.753.217 46.612.134 U.S. dollars Dolar Singapura Singapore dollars Sin2.892.623 pada tanggal Sin2,892,623 as of 30 Juni 2014 dan June 30, 2014 and Sin5.845.311 Sin5,845,311 as of pada tanggal 31 Desember 2013 2.315.862 4.617.160 December 31, 2013 Rupiah Rupiah Rp2.189.509.863 pada tanggal Rp2,189,509,863 as of 30 Juni 2014 dan June 30, 2014 Rp1.993.007.916 pada tanggal and Rp1,993,007,916 as of 31 Desember 2013 182.932 163.427 December 31, 2013 Euro Euro EUR432 pada tanggal 30 Juni 2014 590 - EUR432 as of June 30, 2014 Jumlah 17.252.601 51.392.721 Total the Indonesian language. PT CITRA TUBINDO Tbk DAN ENTITAS ANAKNYA CATATAN ATAS LAPORAN KEUANGAN KONSOLIDASIAN INTERIM 30 Juni 2014 dan Periode Enam Bulan yang Berakhir pada Tanggal Tersebut Disajikan dalam dolar AS, kecuali dinyatakan lain PT CITRA TUBINDO Tbk AND ITS SUBSIDIARIES NOTES TO THE INTERIM CONSOLIDATED FINANCIAL STATEMENTS As of June 30, 2014 and for the Six Months then Ended Expressed in U.S. dollars, unless otherwise stated 41 5. PIUTANG USAHA lanjutan 5. TRADE RECEIVABLES continued Berdasarkan analisa umur piutang, komposisi piutang usaha adalah sebagai berikut: Based on the analysis of the aging of the receivables, the composition of trade receivables is as follows: 30 Juni 2014 31 Desember 2013 June 30, 2014 December 31, 2013 Kurang dari 31 hari 5.150.596 44.788.310 Less than 31 days 31 - 90 hari 9.472.790 3.362.603 31 - 90 days 91 - 180 hari 1.005.580 1.287.370 91 - 180 days 181 - 360 hari 676.091 928.297 181 - 360 days Lebih dari 360 hari 9.799.325 9.877.328 More than 360 days Jumlah 26.104.382 60.243.908 Total Dikurangi penyisihan atas kerugian Less allowance for impairment losses penurunan nilai piutang usaha 8.851.781 8.851.187 on trade receivables Neto 17.252.601 51.392.721 Net Mutasi penyisihan kerugian penurunan nilai atas piutang usaha pihak ketiga dan pihak berelasi adalah sebagai berikut: The changes in allowance for impairment losses on trade receivables third parties and related parties are as follows: 30 Juni 2014 31 Desember 2013 June 30, 2014 December 31, 2013 Saldo awal 8.851.187 9.046.229 Beginning balance Perubahan selama periode berjalan Changes during the period Penambahan penyisihan - 59.122 Additional provision Penghapusan piutang - 45.569 Write-off Pembalikan - 196.618 Reversal Selisih nilai tukar 594 11.977 Foreign exchange difference Saldo akhir 8.851.781 8.851.187 Ending balance Penyisihan kerugian penurunan nilai dilakukan untuk menutup kemungkinan kerugian adanya piutang yang tidak tertagih. The allowance for impairment losses is provided to cover the possible losses from uncollectible accounts. Berdasarkan hasil penelaahan kolektibilitas akun piutang pelanggan tertentu pada akhir periode pelaporan dan evaluasi kolektif atas kemungkinan penurunan nilai piutang, manajemen Grup berpendapat bahwa penyisihan penurunan nilai piutang usaha cukup untuk menutup kemungkinan kerugian atas tidak tertagihnya piutang usaha. Based on a review of the collectibility of specific trade receivable accounts at end of the reporting period and collective assessment of the possible impairment of trade receivables, the Group’s management is of the opinion that the allowance for impairment losses is adequate to cover possible losses from the non-collection of the accounts. Piutang usaha tertentu senilai Sin2.000.000 pada tanggal 30 Juni 2014 dijaminkan sehubungan dengan pinjaman bank jangka pendek dari PT Bank CIMB Niaga Tbk Catatan 11. Certain trade receivables amounting to Sin2,000,000 as of June 30, 2014 are used as collateral for the short-term loan facility obtained from PT Bank CIMB Niaga Tbk Note 11.