Table of Contents Table of Contents 3 List of Tables 4 List of Figures 4 China Oilfield Services Ltd, Oil & Gas, Deals By Year, 2012 to YTD 2018 5 China Oilfield Services Ltd, Oil & Gas Deals By Type, 2012 to YTD 2018 6 China Oilfield Services Ltd, Oil & Gas, Deals By Region, 2012 to YTD 2018 7 China Oilfield Services Ltd, Oil & Gas, Deals By Sector, 2012 to YTD 2018 8 China Oilfield Services Ltd, Oil & Gas, Deals Summary, 2012 to YTD 2018 9 China Oilfield Services Ltd, Oil & Gas, Deal Details 10 Asset Purchase 10 China Oilfield Services Acquires Semi-Submersible Drilling Rig 10 China Oilfield Services Acquires Semi-Submersible Drilling Rig 11 Equity Offering 12 China Oilfield Services Completes Private Placement Of Shares For US$759 Million 12 Debt Offering 13 China Oilfield Services Completes Private Placement Of 3.25% Senior Notes Due 2022 For US$1 Billion 13 Asset Transactions 15 Offshore Oil Engineering To Acquire Two Survey Vessels From China Oilfield Services For US$159.6 Million 15 CNOOC China Completes Acquisition Of Modular Drilling Rig, R5001, From China Oilfield Services For US$8.2 Million 16 China Oilfield Services Ltd - Key Competitors 17 China Oilfield Services Ltd - Key Employees 18 China Oilfield Services Ltd - Locations And Subsidiaries 19 Head Office 19 Other Locations & Subsidiaries 19 Joint Venture 20 Recent Developments 21 Recent Discoveries 21 Mar 26, 2018: NPD: Delineation Of 16/4-6 S (Luno II) Oil And Gas Discovery In North Sea - 16/4-11 21 Financial Announcements 22 Jul 19, 2017: China Oilfield Services Estimates Significant Decrease In Loss 22 Other Significant Developments 23 Jun 07, 2018: Sirius Petroleum Provides Ororo Field - Rig Update 23 Mar 12, 2018: Sirius Petroleum Announces Ororo Field - Operational Update 24 Mar 07, 2018: Siemens Helps HYSY982 Drilling Rig Pass DP3 Close Ring Short-Circuit Test 25 Jan 03, 2018: Spectrum Begins Shallow Water 3D Seismic Program Offshore North Gabon 26 Aug 14, 2017: Sirius Petroleum Announces US$10 Million Revolving Pre-payment Facility & Offtake Agreement Signed With BP Oil International 27 Jun 16, 2017: Empyrean Energy Provides Projects Update 28 Jun 08, 2017: Empyrean Energy Announces 3D Survey Commences On Block 29/11, China 29 May 29, 2017: Primeline Completes Settlement Of Zhejiang Gas And COSL Disputes 30 Mar 01, 2017: Primeline Resolves Zhejiang Gas Dispute 31 New Contracts Announcements 32 Aug 06, 2018: COSL acquires drilling contract from ENI 32 Aug 22, 2017: COSL Secures North Sea Semi-Submersible Rig Contract 33 Jan 26, 2017: MFDevCo: COSL Drilling Pan Pacific Signs Up To Assist In Securing Projects 34 Appendix 35 Methodology 35 About 35 Contact Us 35 Disclaimer 35

List of Tables China Oilfield Services Ltd, Oil & Gas, Key Facts, 2017 2 China Oilfield Services Ltd, Oil & Gas, Deals Summary, 2012 to YTD 2018 2 China Oilfield Services Ltd, Oil & Gas, Deals By Year, 2012 to YTD 2018 5 China Oilfield Services Ltd, Oil & Gas Deals By Type, 2012 to YTD 2018 6 China Oilfield Services Ltd, Oil & Gas, Deals By Region, 2012 to YTD 2018 7 China Oilfield Services Ltd, Deals By Sector, 2012 to YTD 2018 8 China Oilfield Services Ltd, Oil & Gas, Deals Summary, 2012 to YTD 2018 9 China Oilfield Services Acquires Semi-Submersible Drilling Rig 10 China Oilfield Services Acquires Semi-Submersible Drilling Rig 11 China Oilfield Services Completes Private Placement Of Shares For US$759 Million 12 China Oilfield Services Completes Private Placement Of 3.25% Senior Notes Due 2022 For US$1 Billion 13 Offshore Oil Engineering To Acquire Two Survey Vessels From China Oilfield Services For US$159.6 Million 15 CNOOC China Completes Acquisition Of Modular Drilling Rig, R5001, From China Oilfield Services For US$8.2 Million 16 China Oilfield Services Ltd, Key Competitors 17 China Oilfield Services Ltd, Key Employees 18 China Oilfield Services Ltd, Other Locations 19 China Oilfield Services Ltd, Subsidiaries 19 China Oilfield Services Ltd, Joint Venture 20List of Figures China Oilfield Services Ltd, Oil & Gas, Deals by Type, 2012 to YTD 2018 2 China Oilfield Services Ltd, Oil & Gas, Deals By Year, 2012 to YTD 2018 2 China Oilfield Services Ltd, Oil & Gas, Deals By Region, 2012 to YTD 2018 2 China Oilfield Services Ltd, Oil & Gas, Deals By Sector, 2012 to YTD 2018 2 China Oilfield Services Ltd, Oil & Gas, Deals By Year, 2012 to YTD 2018 5 China Oilfield Services Ltd, Oil & Gas, Deals by Type, 2012 to YTD 2018 6 China Oilfield Services Ltd, Oil & Gas, Deals By Region, 2012 to YTD 2018 7 China Oilfield Services Ltd, Oil & Gas, Deals by Sector, 2012 to YTD 2018 8