PERJANJIAN PENTING, Financial Report | PT Elnusa Tbk | Trusted Energy Services Company

PT ELNUSA Tbk DAN ENTITAS ANAKAND SUBSIDIARIES Lampiran 597 Schedule CATATAN ATAS LAPORAN KEUANGAN INTERIM KONSOLIDASIAN 30 JUNI 2012 TIDAK DIAUDIT DAN 31 DESEMBER 2011 DIAUDIT DAN PERIODE ENAM BULAN BERAKHIR 30 JUNI 2012 DAN 2011 TIDAK DIAUDIT Disajikan dalam jutaan Rupiah, kecuali dinyatakan lain NOTES TO THE INTERIM CONSOLIDATED FINANCIAL STATEMENTS AS OF 30 JUNE 2012 UNAUDITED AND 31 DECEMBER 2011AUDITED AND FOR THE SIX MONTHS PERIODS ENDED 30 JUNE 2012 AND 2011 UNAUDITED Expressed in millions of Rupiah, unless otherwise stated

27. PERJANJIAN PENTING,

KOMITMEN DAN KONTINJENSI lanjutan 27. SIGNIFICANT AGREEMENTS, COMMITMENTS AND CONTINGENCIES continued Entitas Company Tanggal perjanjian Date of agreement Nilai kontrak Contract value Periode kontrak Contract period Jenis pekerjaan Type of work 20 Juni June 2011 Rp71.363.000.000 + AS3,730,109 300 work days Pembangunan 1 unit IPAL Construction 1 unit IPAL JOB Pertamina – Petrochina East java 1 June June 2011 Rp10.908.748.000 Rp10,908,748,000 18 delapan belas bulan 18 eighten month H2S Monitoring Equipment Services PT Pertamina Gas 1 JuliJuly 2011 AS16.640.000 US16,640,000 18 delapan belas bulan 18 eighteen months Jasa Pengoperasian dan Pemeliharaan Pipa Minyak Stasiun Pengumpul Pemompaan SPPP Tempino - Km 03 Sei Gerong Operating Pipe Maintenance SPPP Services - Km 03, Tempino Sei Gerong JOB Pertamina - Medco Simenggaris 11 AgustusAugust 2010 AS8.830.173 US8,830,173 1 satu tahun 1 one year Jasa Akuisisi Data Seismik 2D 2D Seismic Data Acquisition Services JOB Pertamina - Medco EP Tomori 16 Desember December 2011 AS7.768.960 US7,768,960 16 enam belas bulan 16 sixteen months Jasa Akuisisi Data Seismik 3D dan 2D, Marine 3D Land 2D Marine Seismic Data Acquisition Medco EP Tomori, JOB PTM Chevron Indonesia Company 5 November 2010 AS25.813.148 US25,813,148 3 tiga tahun 3 three years Jasa dan Peralatan Unit Hydraulic Workover Hydraulic Workover Unit Equipment and Services 15 September 2011 25 MeiMay 2012 AS10.752.989 US10,752,989 AS6.056.231,25 US6,056,231.25 12 dua belas bulan 12 twelve months 36 tigapuluhenam bulan 36thirty six months 2D TZ Program Seismik untuk Papua Barat 2D TZ West Papua Seismic Foaming Services PT Total EP Indonesie 26 April 2011 AS10.999.900 US10,999,900 36 tiga puluh enam bulan 36 thirty six months Snubbing Services 26 April 2011 AS11.024.850 US11,024,850 36 tiga puluh enam bulan 36 thirty six months Snubbing Services 12 April 2011 AS46.938.870 US46,938,870 60 enam puluh bulan 60 sixty months Provision of 1 one pumping and coiled tubing services 1 PebruariFebruary 2011 AS18.883.280 US18,883,280 4 empat bulan 4 four months 3D Transition Zone Seismic Survey di Handil, Kalimantan 3D Transition Zone Seismic Survey in Handil, Kalimantan 20 Desember December 2011 AS26.090.100 US26,090,100 10 sepuluh bulan 10 ten months 3D OBC Akuisisi Seismik untuk Bekapai 3D OBC Sesmik Acquisition for Bekapai Salamander Energy Bangkanai Ltd. Start Spud in pertama AS15.315.121,00 US15,315,121.00 18 delapan belas bulan 18 eightten month Pemboran Darat Min 2000HP Land Drilling Min 2000 HP 15 Juni June 2011 AS725,070.00 US725.070,00 24 dua puluh empat bulan 24 twenty four month DST Equipment Services for testing Exploration Wells PT ELNUSA Tbk DAN ENTITAS ANAKAND SUBSIDIARIES Lampiran 598 Schedule CATATAN ATAS LAPORAN KEUANGAN INTERIM KONSOLIDASIAN 30 JUNI 2012 TIDAK DIAUDIT DAN 31 DESEMBER 2011 DIAUDIT DAN PERIODE ENAM BULAN BERAKHIR 30 JUNI 2012 DAN 2011 TIDAK DIAUDIT Disajikan dalam jutaan Rupiah, kecuali dinyatakan lain NOTES TO THE INTERIM CONSOLIDATED FINANCIAL STATEMENTS AS OF 30 JUNE 2012 UNAUDITED AND 31 DECEMBER 2011AUDITED AND FOR THE SIX MONTHS PERIODS ENDED 30 JUNE 2012 AND 2011 UNAUDITED Expressed in millions of Rupiah, unless otherwise stated

27. PERJANJIAN PENTING, KOMITMEN DAN KONTINJENSI lanjutan