Source of Estimation Uncertainty and Pertimbangan Akuntansi

PT WINTERMAR OFFSHORE MARINE Tbk PT WINTERMAR OFFSHORE MARINE Tbk DAN ENTITAS ANAK AND SUBSIDIARIES CATATAN ATAS LAPORAN KEUANGAN NOTES TO INTERIM CONSOLIDATED KONSOLIDASIAN INTERIM Lanjutan FINANCIAL STATEMENTS Continued Per 30 Juni 2016 dan 31 Desember 2015 dan Periode 6 Enam As of June 30, 2016 and December 31, 2015 and For the 6 Six Bulan yang Berakhir pada 30 Juni 2016 dan 2015 Months Periods Ended June 30, 2016 and 2015 Dalam US Dolar Penuh In Full US Dollar 29 risiko signifikan yang mengakibatkan penyesuaian material terhadap jumlah tercatat aset dan liabilitas dalam periode pelaporan berikutnya. of causing a material adjustment to the carrying amounts of assets and liabilities within the next financial year. Rugi Penurunan Nilai Pinjaman Diberikan dan Piutang Impairment Loss on Loans and Receivables Grup menilai penurunan pinjaman diberikan dan piutang pada setiap tanggal pelaporan. Dalam menentukan apakah rugi penurunan nilai harus dicatat dalam laporan laba rugi, manajemen membuat penilaian, apakah terdapat bukti objektif bahwa telah terjadi peristiwa kerugian lihat Catatan 2.s. Manajemen juga membuat penilaian atas metodologi dan asumsi untuk memperkirakan jumlah dan waktu arus kas masa depan yang diperiksa secara teratur untuk mengurangi perbedaan antara estimasi kerugian dan kerugian aktualnya. Nilai tercatat pinjaman diberikan dan piutang telah diungkapkan dalam Catatan 28. The Group assesses its loans and receivables for impairment at each reporting date. In determining whether an impairment loss should be recorded in profit or loss, management makes judgment as to whether there is objective evidence that loss event has occurred see Note 2.s. Management also makes judgment as to the methodology and assumptions for estimating the amount and timing of future cash flows which are reviewed regularly to reduce any difference between loss estimate and actual loss. The carrying amount of loans and receivables are disclosed in Note 28. Taksiran Masa Manfaat Ekonomis Aset Tetap Estimated Useful Lives of Property and Equipment Masa manfaat setiap aset tetap Grup ditentukan berdasarkan kegunaan yang diharapkan dari penggunaan aset tersebut. Estimasi ini ditentukan berdasarkan evaluasi teknis internal dan pengalaman Grup atas aset sejenis. Masa manfaat setiap aset direview secara periodik dan disesuaikan apabila prakiraan berbeda dengan estimasi sebelumnya karena keausan, keusangan teknis dan komersial, hukum atau keterbatasan lainnya atas pemakaian aset. Namun terdapat kemungkinan bahwa hasil operasi dimasa mendatang dapat dipengaruhi secara signifikan oleh perubahan atas jumlah serta periode pencatatan biaya yang diakibatkan karena perubahan faktor yang disebutkan di atas. Nilai tercatat aset tetap diungkapkan dalam Catatan 10. The useful life of each item of the Group ’s property and equipment are estimated based on the period over which the asset is expected to be available for use. Such estimation is based on internal technical evaluation and experience with similar assets. The estimated useful life of each asset is reviewed periodically and updated if expectations differ from previous estimates due to physical wear and tear, technical or commercial obsolescence and legal or other limits on the use of the asset. It is possible, however, that future results of operations could be materially affected by changes in the amounts and timing of recorded expenses brought about by changes in the factors mentioned above. The aggregate carrying amount of property and equipment is disclosed in Note 10. Imbalan Kerja Employee Benefits Penentuan liabilitas imbalan kerja tergantung pada pemilihan asumsi tertentu yang digunakan oleh manajemen dalam menghitung jumlah liabilitas tersebut. Asumsi tersebut termasuk antara lain tingkat diskonto dan tingkat kenaikan gaji. Realisasi yang berbeda dari asumsi Grup diakumulasi dan diamortisasi selama periode mendatang dan akibatnya akan berpengaruh terhadap jumlah biaya serta liabilitas yang diakui di masa mendatang. Walaupun asumsi Grup dianggap tepat dan wajar, namun perubahan signifikan pada kenyataannya atau perubahan signifikan dalam asumsi yang digunakan dapat berpengaruh secara signifikan terhadap liabilitas imbalan kerja Grup. The determination of employee benefits obligation is dependent on selection of certain assumptions used by management in calculating such amounts. Those assumptions include among others, discount rate and rate of salary increase. Actual results that differ from the Group ’s assumptions are accumulated and amortized over future periods and therefore, generally affect the recognized expense and recorded obligation in such future periods. While it is believed that the Group ’s assumptions are reasonable and appropriate, significant differences in actual experience or significant changes in assumptions may materially affect the Group ’s employee benefits obligation. PT WINTERMAR OFFSHORE MARINE Tbk PT WINTERMAR OFFSHORE MARINE Tbk DAN ENTITAS ANAK AND SUBSIDIARIES CATATAN ATAS LAPORAN KEUANGAN NOTES TO INTERIM CONSOLIDATED KONSOLIDASIAN INTERIM Lanjutan FINANCIAL STATEMENTS Continued Per 30 Juni 2016 dan 31 Desember 2015 dan Periode 6 Enam As of June 30, 2016 and December 31, 2015 and For the 6 Six Bulan yang Berakhir pada 30 Juni 2016 dan 2015 Months Periods Ended June 30, 2016 and 2015 Dalam US Dolar Penuh In Full US Dollar 30 Rincian liabilitas imbalan kerja dan asumsi yang digunakan diungkapkan dalam Catatan 17. Details of employee benefits obligation and the assumptions used are disclosed in Note 17. Pertimbangan Penting dalam Penentuan Kebijakan Akuntansi Critical Judgments in Applying the Accounting Policies Nilai Wajar atas Instrumen Keuangan Bila nilai wajar aset keuangan dan liabilitas keuangan yang tercatat pada laporan posisi keuangan tidak tersedia di pasar aktif, ditentukan dengan menggunakan berbagai teknik penilaian termasuk penggunaan model matematika. Masukan input untuk model ini berasal dari data pasar yang bisa diamati sepanjang data tersebut tersedia. Bila data pasar yang bisa diamati tersebut tidak tersedia, pertimbangan Manajemen diperlukan untuk menentukan nilai wajar. Pertimbangan tersebut mencakup pertimbangan likuiditas dan masukan model seperti volatilitas untuk transaksi derivatif yang berjangka waktu panjang dan tingkat diskonto, tingkat pelunasan dipercepat, dan asumsi tingkat gagal bayar. Fair Value of Financial Instruments Where the fair values of financial assets and financial liabilities recorded on the statement of financial position cannot be derived from active markets, they are determined using a variety of valuation techniques that include the use of mathematical models. The inputs to these models are derived from observable market data where possible, but where observable market data are not available, judgment is required to establish fair values. The judgments include considerations of liquidity and model inputs such as volatility for long term derivatives and discount rates, prepayment rates, and default rate assumptions. Nilai Wajar Opsi Saham Fair Value of Stock Option Nilai wajar dari opsi saham di estimasi dengan menggunakan metode penentuan harga opsi Black Scholes. Nilai wajar opsi tergantung pada beberapa faktor, seperti asumsi yang digunakan untuk menentukan ekspektasi ketidakstabilan harga saham dan dividen yang dihasilkan, demikian juga suku bunga bebas risiko. Ekspektasi-ekspektasi tersebut didasarkan asumsi bahwa penjualan harga saham dan pembayaran dividen di masa lalu akan berlanjut di masa depan. Fair Value of stock option is estimated with using Black Scholes Option Pricing Method. The fair value of option will depend on several factors, such as the assumption used to determine the expected volatility of share price and expected dividend yield and risk free interest rate. Those expectations are determined based on assumption that historical volatility of stock price and dividend payment will continue in the future. PT WINTERMAR OFFSHORE MARINE Tbk PT WINTERMAR OFFSHORE MARINE Tbk DAN ENTITAS ANAK AND SUBSIDIARIES CATATAN ATAS LAPORAN KEUANGAN NOTES TO INTERIM CONSOLIDATED KONSOLIDASIAN INTERIM Lanjutan FINANCIAL STATEMENTS Continued Per 30 Juni 2016 dan 31 Desember 2015 dan Periode 6 Enam As of June 30, 2016 and December 31, 2015 and For the 6 Six Bulan yang Berakhir pada 30 Juni 2016 dan 2015 Months Periods Ended June 30, 2016 and 2015 Dalam US Dolar Penuh In Full US Dollar 31 4. Kas dan Setara Kas

4. Cash and Cash Equivalents

2016 2015 USD USD Kas Cash on Hand US Dolar 11,652 13,610 US Dollar Rupiah Rupiah 2016:Rp472,681,984; 2015: Rp450,741,693 35,864 32,674 2016:Rp472,681,984; 2015: Rp450,741,693 47,516 46,284 Bank - Pihak Ketiga Cash in Banks - Third Parties US Dolar US Dollar PT Bank Negara Indonesia Persero Tbk 3,663,039 3,075,077 PT Bank Negara Indonesia Persero Tbk PT Bank QNB Kesawan Tbk 1,614,704 71,800 PT Bank QNB Kesawan Tbk PT Bank Mandiri Persero Tbk 1,422,041 1,384,127 PT Bank Mandiri Persero Tbk PT Bank CIMB Niaga Tbk 597,695 597,767 PT Bank CIMB Niaga Tbk DBS Bank Ltd - Singapura 572,499 676,307 DBS Bank Ltd - Singapore Citibank-NA Indonesia 496,875 34,999 Citibank-NA Indonesia Baiduri Bank Berhad 366,909 1,500 Baiduri Bank Berhad United Overseas Bank Limited - Singapura 301,926 36,586 United Overseas Bank Limited - Singapore OCBC Ltd Singapura 259,894 226,967 OCBC Ltd Singapore PT Bank OCBC NISP Tbk 213,497 511,053 PT Bank OCBC NISP Tbk CIMB Bank - Singapura 5,020 193,832 CIMB Bank Singapore Lain-lain masing-masing di bawah USD50,000 52,805 76,034 Others each below USD50,000 Rupiah Rupiah PT Bank Negara Indonesia Persero Tbk PT Bank Negara Indonesia Persero Tbk 2016: Rp9,076,694,324; 2015: Rp7,060,058,812 688,672 511,784 2016: Rp9,076,694,324; 2015: Rp7,060,058,812 PT Bank Central Asia Tbk PT Bank Central Asia Tbk 2016: Rp6,737,211,110; 2015: Rp1,540,336,416 511,169 111,659 2016: Rp6,737,211,110; 2015: Rp1,540,336,416 PT Bank Mandiri Persero Tbk PT Bank Mandiri Persero Tbk 2016: Rp1,513,785,341; 2015: Rp1,283,678,137 114,855 93,054 2016: Rp1,513,785,341; 2015: Rp1,283,678,137 PT Bank DBS Indonesia PT Bank DBS Indonesia 2016: Rp720,451,355; 2015: Rp59,745,317 54,662 4,331 2016: Rp720,451,355; 2015: Rp59,745,317 Lain-lain masing-masing di bawah USD50,000 31,912 5,642 Others each below USD50,000 Dolar Singapura Singapore Dollar DBS Bank Ltd - Singapura DBS Bank Ltd - Singapore 2016: SGD89,202; 2015: SGD117,476 66,127 83,039 2016: SGD89,202; 2015: SGD117,476 PT Bank UOB Indonesia PT Bank UOB Indonesia 2016: SGD17,476; 2015: SGD17,526 12,955 12,389 2016: SGD17,476; 2015: SGD17,526 United Overseas Bank Limited - Singapura United Overseas Bank Limited - Singapore 2016: SGD13,811; 2015: SGD13,861 10,238 9,798 2016: SGD13,811; 2015: SGD13,861 Dolar Brunei Brunei Dollar Baiduri Bank Berhad Baiduri Bank Berhad 2016:BND80,796; 2015: BND109,325 59,896 77,278 2016:BND80,796; 2015: BND109,325 Sub Total 11,117,390 7,795,023 Sub Total Deposito Berjangka Pihak Ketiga Time Deposits Third Parties US Dolar US Dollar PT Bank OCBC NISP Tbk 1,000,000 1,500,000 PT Bank OCBC NISP Tbk PT Bank QNB Kesawan Tbk 512,171 3,449,790 PT Bank QNB Kesawan Tbk PT Bank Mandiri Persero Tbk 218,000 373,000 PT Bank Mandiri Persero Tbk PT Bank Negara Indonesia Persero Tbk -- 1,700,000 PT Bank Negara Indonesia Persero Tbk Rupiah Rupiah PT Bank Negara Indonesia Persero Tbk PT Bank Negara Indonesia Persero Tbk 2015: Rp13,000,000,000 -- 942,370 2015: Rp13,000,000,000 PT Bank Mandiri Persero Tbk PT Bank Mandiri Persero Tbk 2015: Rp5,500,000,000 -- 398,695 2015: Rp5,500,000,000 Sub Total 1,730,171 8,363,855 Sub Total Total 12,895,077 16,205,162 Total Tingkat Bunga Kontraktual Deposito Contractual Interest Rates on Time Deposits US Dolar 1.5 - 1.75 1.5 - 2.5 US Dollar Rupiah -- 6.00 - 7.25 Rupiah Periode Jatuh Tempo Deposito 1 bulanmonth 1 bulanmonth Maturity Period of Time Deposits PT WINTERMAR OFFSHORE MARINE Tbk PT WINTERMAR OFFSHORE MARINE Tbk DAN ENTITAS ANAK AND SUBSIDIARIES CATATAN ATAS LAPORAN KEUANGAN NOTES TO INTERIM CONSOLIDATED KONSOLIDASIAN INTERIM Lanjutan FINANCIAL STATEMENTS Continued Per 30 Juni 2016 dan 31 Desember 2015 dan Periode 6 Enam As of June 30, 2016 and December 31, 2015 and For the 6 Six Bulan yang Berakhir pada 30 Juni 2016 dan 2015 Months Periods Ended June 30, 2016 and 2015 Dalam US Dolar Penuh In Full US Dollar 32 5. Piutang Usaha

5. Accounts Receivable a. Berdasarkan Pelanggan

a. By Customers

2016 2015 USD USD Pihak Berelasi Catatan 9 4,784,113 4,299,721 Related Parties Note 9 Pihak Ketiga Third Parties Industri Minyak dan Gas 20,724,090 17,075,635 Oil and Gas Industry Industri Non Minyak dan Gas 15,970,920 12,092,550 Non Oil and Gas Industry Total 36,695,010 29,168,185 Total Dikurangi : Penyisihan Penurunan Nilai 9,431,880 9,472,562 Less: Allowances for Impairment Sub Total Pihak Ketiga 27,263,130 19,695,623 Sub Total Third Parties Total Bersih 32,047,243 23,995,344 Net b. Berdasarkan Umur b. By Aging Categories 2016 2015 USD USD Belum Jatuh Tempo 20,959,916 13,458,890 Not Yet Due Telah Jatuh Tempo Over Due 1 - 30 Hari 2,221,088 4,161,086 1 - 30 Days 31 - 90 Hari 3,237,498 2,727,539 31 - 90 Days Lebih dari 90 hari 15,060,621 13,120,391 Over 90 Days Total 41,479,123 33,467,906 Total Dikurangi : Penyisihan Penurunan Nilai 9,431,880 9,472,562 Less: Allowances for Impairment Total Bersih 32,047,243 23,995,344 Net c. Berdasarkan Mata Uang c. By Currencies 2016 2015 USD USD US Dolar 36,287,546 31,759,457 US Dollar Rupiah 2016: Rp 68,424,983,068; Rupiah 2016: Rp 68,424,983,068; 2015: Rp 23,504,933,589 5,191,577 1,703,873 2015: Rp 23,504,933,589 Dolar Singapura 2015: SGD6,474 -- 4,576 Singapore Dollar 2015: SGD6,474 Total 41,479,123 33,467,906 Total Dikurangi : Penyisihan Penurunan Nilai 9,431,880 9,472,562 Less: Allowances for Impairment Total Bersih 32,047,243 23,995,344 Net Mutasi penyisihan penurunan nilai piutang adalah sebagai berikut: The movement of allowance for impairment of accounts receivable are as follows: 2016 2015 USD USD USD Saldo Awal 9,472,562 5,678,821 Beginning Balance Penambahan -- 3,827,411 Addition Penghapusan dan Pemulihan 58,322 -- Write off and Recovery Selisih kurs 17,640 33,670 Foreign exchange Saldo Akhir 9,431,880 9,472,562 Ending Balance Manajemen berpendapat bahwa penyisihan tersebut cukup untuk menutupi risiko penurunan nilai piutang. Management believes that the allowance for impairment is adequate to cover the possible impairment risk of receivables. Atas perjanjian sewa operasi kapal yang berlaku pada tanggal 30 Juni 2016, jumlah pembayaran minimum di masa depan untuk periode sampai dengan 1 tahun adalah sebesar USD63,527,911 dan untuk periode lebih dari 1 tahun sampai 5 tahun adalah sebesar USD72,885,282. Based on the outstanding vessel charter contracts on hand as of June 30, 2016, the total value of contract, for the period up to 1 year amounted to USD63,527,911 and for the period of more than 1 year to 5 years totalled to USD72,885,282.