Table of Contents Table of Contents 2 List of Tables 4 List of Figures 5 Company Snapshot 8 Key Information 8 Company Overview 8 Whiting Petroleum Corporation, Valuation and Financial Data 9 Whiting Petroleum Corporation, Share Price Performance 9 Share Price Performance, Q4, 2014-Q4, 2015 9 Whiting Petroleum Corporation, Key Valuation Metrics 10 Key Valuation Metrics, Q4, 2014-Q4, 2015 10 Whiting Petroleum Corporation, Quarterly Results of Oil & Gas Operations Per boe Produced 11 Results of Oil & Gas Operations Per boe Produced, Q4, 2014-Q4, 2015 11 Results of Oil & Gas Operations Per boe Growth Rates, Q4, 2014-Q4, 2015 12 Whiting Petroleum Corporation, Quarterly E&P Costs Trends 13 Upstream Capital Expenditure, Q4, 2014-Q4, 2015 13 Whiting Petroleum Corporation, Quarterly Production Trends 14 Whiting Petroleum Corporation, Total Oil and Gas Production 14 Total Crude Oil and Natural Gas Production Trend, Q4, 2014-Q4, 2015 14 Total Crude Oil & Natural Gas Production, By Country/Region, Q4, 2014-Q4, 2015 15 Whiting Petroleum Corporation, Crude Oil Production 16 Total Crude Oil Production Trend, Q4, 2014-Q4, 2015 16 Crude Oil Production, By Country/Region, Q4, 2014-Q4, 2015 17 Whiting Petroleum Corporation, Natural Gas Production 18 Total Natural Gas Production Trend, Q4, 2014-Q4, 2015 18 Natural Gas Production, By Country/Region, Q4, 2014-Q4, 2015 19 Whiting Petroleum Corporation, Valuation and Financial Data, 2011-2015 20 Whiting Petroleum Corporation, Share Price Performance, 2011-2015 20 Share Price Performance, 2011-2015 20 Key Valuation Metrics, 2011-2015 21 Whiting Petroleum Corporation, Production and Reserves Trends 22 Total Oil and Gas, Reserves and Production 22 Total Crude Oil and Natural Gas Production and Reserves Trend, 2011-2015 22 Total Crude Oil & Natural Gas Production and Reserves By Country/Region, 2011-2015 24 Total Crude Oil and Natural Gas Reserve Changes, 2011-2015 26 Crude Oil/Liquids Production and Reserve 27 Crude Oil/Liquids Production and Reserve Trend, 2011-2015 27 Crude Oil Production and Reserves By Country/Region, 2011-2015 28 Crude Oil/Liquids Reserve Changes, 2011-2015 30 Natural Gas Production and Reserve 31 Natural Gas Production and Reserve Trend, 2011-2015 31 Natural Gas Production and Reserves, By Country/Region, 2011-2015 32 Natural Gas Reserve Changes, 2011-2015 34 Total Crude Oil and Natural Gas Reserves Life Index 35 Total Crude Oil and Natural Gas Reserves Life Index, 2011-2015 35 Total Crude Oil and Natural Gas Reserves Life Index, By Country/Region, 2011-2015 36 Whiting Petroleum Corporation, E&P Costs Trends 38 Allocation of the Upstream Capital Expenditure 38 Upstream Capital Expenditure, 2011-2015 38 Acquisition Costs By Country/Region, 2011-2015 39 Exploration and Development Costs, By Country/Region, 2011-2015 41 Oil and Gas Cost Per boe, US$/boe 43 Oil and Gas Cost Per boe, US$/boe, 2011-2015 43 Oil and Gas Cost Per boe, US$/boe, By Country/Region, 2011-2015 45 Whiting Petroleum Corporation, Reserve Replacement Ratio 47 Oil and Gas Production Replacement Ratio 47 Oil and Gas Production Replacement Ratio, 2011-2015 47 Oil and Gas Production Replacement Ratio, By Country/Region, 2011-2015 49 Whiting Petroleum Corporation, Results of Oil & Gas Operations Trend 53 Oil and Gas Revenue and Expenses 53 Oil and Gas Revenue and Expenses, 2011-2015 53 Oil and Gas Revenue and Expenses, By Country/Region, 2011-2015 54 Oil and Gas Revenue and Expenses, Per boe 59 Oil and Gas Revenue and Expenses, By boe, 2011-2015 59 Oil and Gas Revenue and Expenses Per boe, By Country/Region, 2011-2015 60 Oil and Gas Performance Metrics 64 Whiting Petroleum Corporation, Land Holdings and Well Data 65 Developed and Undeveloped Acreage 65 Gross and Net Developed and Undeveloped Acreage, 2011-2015 65 Gross and Net Developed and Undeveloped Acreage, By Country/Region, 2011-2015 66 Well Statistics 69 Producible Oil and Gas Well, 2011-2015 69 Producible Oil and Gas Well, By Country/Region, 2011-2015 70 Exploration and Development Wells Drilled, 2011-2015 74 Exploration and Development Wells Drilled, By Country/Region, 2011-2015 75 Recent Developments 76 Whiting Petroleum Corporation - Recent Developments 76 Apr 27, 2016: Whiting Petroleum Announces First Quarter 2016 Financial And Operating Results 76 Feb 24, 2016: Whiting Petroleum Announces Fourth Quarter And Full-Year 2015 Financial And Operating Results 77 Oct 28, 2015: Whiting Petroleum Announces Third Quarter 2015 Financial And Operating Results 79 Jul 29, 2015: Whiting Petroleum Announces Second Quarter 2015 Financial And Operating Results 80 Jul 27, 2015: Whiting Petroleum Appoints Carin S. Knickel To Its Board Of Directors 82 Jul 17, 2015: Whiting Petroleum Updates Production And Capex Guidance And Operations 82 Apr 29, 2015: Whiting Petroleum Announces First Quarter 2015 Financial And Operating Results 83 Feb 25, 2015: Whiting Petroleum Announces Fourth Quarter And Full-Year 2014 Financial And Operating Results 86 Appendix 90 Methodology 90 Coverage 90 Secondary Research 90 Primary Research 90 Data Information Sources 91 Company Source 91 SEC/Other Regulatory Filings 91 Other Sources 91 Expert Panel Validation 91 Data Definition 91 Oil and Gas Reserves 91 Units of Measure 92 About GlobalData 92 Disclosure 92 Disclaimer 92

List of Tables Table 1: Whiting Petroleum Corporation, Key Facts 8 Table 2: Whiting Petroleum Corporation, Share Price Performance, Q4, 2014-Q4, 2015 9 Table 3: Whiting Petroleum Corporation, Key Valuation Metrics, Q4, 2014-Q4, 2015 10 Table 4: Whiting Petroleum Corporation, Results of Oil & Gas Operations Per boe Produced, US$/boe, Q4, 2014-Q4, 2015 11 Table 5: Whiting Petroleum Corporation, Results of Oil & Gas Operations Per boe Growth Rates, %, Q4, 2014-Q4, 2015 12 Table 6: Whiting Petroleum Corporation, Upstream Capital Expenditure, Q4, 2014-Q4, 2015 13 Table 7: Whiting Petroleum Corporation, Total Crude Oil and Natural Gas, Production, Q4, 2014-Q4, 2015 14 Table 8: Whiting Petroleum Corporation, Total Oil & Gas Production, By Country/Region, mmboe, Q4, 2014-Q4, 2015 15 Table 9: Whiting Petroleum Corporation, Total Crude Oil Production, mmbbl, Q4, 2014-Q4, 2015 16 Table 10: Whiting Petroleum Corporation, Crude Oil Production, By Country/Region, mmbbl, Q4, 2014-Q4, 2015 17 Table 11: Whiting Petroleum Corporation, Total Natural Gas Production, bcf, Q4, 2014-Q4, 2015 18 Table 12: Whiting Petroleum Corporation, Natural Gas Production, By Country/Region, bcf, Q4, 2014-Q4, 2015 19 Table 13: Whiting Petroleum Corporation, Share Price Performance, 2011-2015 20 Table 14: Whiting Petroleum Corporation, Key Valuation Metrics, 2011-2015 21 Table 15: Whiting Petroleum Corporation, Total Crude Oil and Natural Gas, Production and Reserves, mmboe, 2011-2015 23 Table 16: Whiting Petroleum Corporation, Total Crude Oil & Natural Gas Production and Reserves, By Country/Region, mmboe, 2011-2015 25 Table 17: Whiting Petroleum Corporation, Total Crude Oil and Natural Gas Reserve Changes, mmboe, 2011-2015 26 Table 18: Whiting Petroleum Corporation, Crude Oil Production and Reserves Metrics, mmbbl, 2011-2015 27 Table 19: Whiting Petroleum Corporation, Crude Oil Production and Reserves, By Country/Region, mmbbl, 2011-2015 29 Table 20: Whiting Petroleum Corporation, Crude Oil Reserve Changes, mmbbl, 2011-2015 30 Table 21: Whiting Petroleum Corporation, Natural Gas Production and Reserves Metrics, bcf, 2011-2015 31 Table 22: Whiting Petroleum Corporation, Natural Gas Production and Reserves, By Country/Region, bcf, 2011-2015 33 Table 23: Whiting Petroleum Corporation, Natural Gas Reserve Changes, bcf, 2011-2015 34 Table 24: Whiting Petroleum Corporation, Oil and Gas Reserves Life Index, Years, 2011-2015 35 Table 25: Whiting Petroleum Corporation, Oil and Gas Reserves Life Index, By Country/Region, Years, 2011-2015 37 Table 26: Whiting Petroleum Corporation, Upstream Capital Expenditure, US$ mil, 2011-2015 38 Table 27: Whiting Petroleum Corporation, Proved and Unproved Acquisition Costs, By Country/Region, US$ mil, 2011-2015 40 Table 28: Whiting Petroleum Corporation, Exploration and Development Costs, By Country/Region, US$ mil, 2011-2015 42 Table 29: Whiting Petroleum Corporation, Reserves Replacement, Finding and Development Costs, Finding Cost and Proved Acquisition Costs Per boe, US$/boe, 2011-2015 44 Table 30: Whiting Petroleum Corporation, Reserves Replacement, Finding and Development Costs, Finding Cost and Proved Acquisition Costs Per boe, US$/boe, By Country/Region, 2011-2015 46 Table 31: Whiting Petroleum Corporation, Oil and Gas Production Replacement Ratio, %, 2011-2015 47 Table 32: Whiting Petroleum Corporation, 3-Year Wt.Avg. Oil and Gas Production Replacement Ratio, By Country/Region, %, 2011-2015 52 Table 33: Whiting Petroleum Corporation, Revenue and Expenses, US$ mil, 2011-2015 53 Table 34: Whiting Petroleum Corporation, Revenue and Expenses, By Country/Region, US$ mil, 2011-2015 58 Table 35: Whiting Petroleum Corporation, Oil and Gas Revenue and Expenses, US$/boe, 2011-2015 59 Table 36: Whiting Petroleum Corporation, Oil and Gas Revenue and Expenses, US$/boe, By Country/Region, 2011-2015 63 Table 37: Whiting Petroleum Corporation, Oil and Gas Performance Metrics, 2011-2015 64 Table 38: Whiting Petroleum Corporation, Land Holdings (Developed and Undeveloped Acreage), Acres, 2011-2015 65 Table 39: Whiting Petroleum Corporation, Land Holdings (Developed and Undeveloped Acreage), By Country/Region, Acres, 2011-2015 68 Table 40: Whiting Petroleum Corporation, Producible Oil and Gas Wells, 2011-2015 69 Table 41: Whiting Petroleum Corporation, Producible Oil and Gas Wells, By Country/Region, 2011-2015 73 Table 42: Whiting Petroleum Corporation, Exploratory and Developed Wells, 2011-2015 74 Table 43: Whiting Petroleum Corporation, Exploratory and Developed Wells, By Country/Region, 2011-2015 75 List of Figures Figure 1: Whiting Petroleum Corporation, Share Price Performance, USD/Share, Q4, 2014-Q4, 2015 9 Figure 2: Whiting Petroleum Corporation, Key Valuation Metrics, EV/Production ($/boed), EV/Proved Reserve ($/boe), Q4, 2014-Q4, 2015 10 Figure 3: Whiting Petroleum Corporation, Results of Oil & Gas Operations Per boe Produced, US$/boe, Q4, 2014-Q4, 2015 11 Figure 4: Whiting Petroleum Corporation, Upstream Capital Expenditure, US$ mil, Q4, 2014-Q4, 2015 13 Figure 5: Whiting Petroleum Corporation, Total Crude Oil and Natural Gas, Production, mmboe, Q4, 2014-Q4, 2015 14 Figure 6: Whiting Petroleum Corporation, Total Oil & Gas Production, By Country/Region, mmboe, Q4, 2014-Q4, 2015 15 Figure 7: Whiting Petroleum Corporation, Total Crude Oil Production, mmbbl, Q4, 2014-Q4, 2015 16 Figure 8: Whiting Petroleum Corporation, Crude Oil Production, By Country/Region, mmbbl, Q4, 2014-Q4, 2015 17 Figure 9: Whiting Petroleum Corporation, Total Natural Gas Production, bcf, Q4, 2014-Q4, 2015 18 Figure 10: Whiting Petroleum Corporation, Natural Gas Production, By Country/Region, bcf, Q4, 2014-Q4, 2015 19 Figure 11: Whiting Petroleum Corporation, Share Price Performance, USD/Share, 2011-2015 20 Figure 12: Whiting Petroleum Corporation, Key Valuation Metrics, EV/Production ($/boed), EV/Proved Reserve (US$/boe), 2011-2015 21 Figure 13: Whiting Petroleum Corporation, Total Crude Oil and Natural Gas, Production and Reserves, mmboe, 2011-2015 22 Figure 14: Whiting Petroleum Corporation, Total Oil & Gas Reserves, End of Period, By Country/Region, mmboe, 2011-2015 24 Figure 15: Whiting Petroleum Corporation, Total Oil & Gas Production, By Country/Region, mmboe, 2011-2015 24 Figure 16: Whiting Petroleum Corporation, Total Crude Oil and Natural Gas Reserve Changes, mmboe, 2015 26 Figure 17: Whiting Petroleum Corporation, Crude Oil Production and Reserves Metrics, mmbbl, 2011-2015 27 Figure 18: Whiting Petroleum Corporation, Oil Reserves, End of Period, By Country/Region, mmbbl, 2011-2015 28 Figure 19: Whiting Petroleum Corporation, Oil Production, By Country/Region, mmbbl, 2011-2015 28 Figure 20: Whiting Petroleum Corporation, Crude Oil Reserve Changes, mmbbl, 2015 30 Figure 21: Whiting Petroleum Corporation, Natural Gas Production and Reserves Metrics, bcf, 2011-2015 31 Figure 22: Whiting Petroleum Corporation, Gas Reserves, End of Period, By Country/Region, bcf, 2011-2015 32 Figure 23: Whiting Petroleum Corporation, Gas Production, By Country/Region, bcf, 2011-2015 32 Figure 24: Whiting Petroleum Corporation, Natural Gas Reserve Changes, bcf, 2015 34 Figure 25: Whiting Petroleum Corporation, Oil and Gas Reserves Life Index, Years, 2011-2015 35 Figure 26: Whiting Petroleum Corporation, Gas Reserve Life Index, By Country/Region, Years, 2011-2015 36 Figure 27: Whiting Petroleum Corporation, Oil & Gas Reserve Life Index, By Country/Region, Years, 2011-2015 36 Figure 28: Whiting Petroleum Corporation, Oil Reserve Life Index, By Country/Region, Years, 2011-2015 37 Figure 29: Whiting Petroleum Corporation, Upstream Capital Expenditure, US$ mil, 2011-2015 38 Figure 30: Whiting Petroleum Corporation, Proved Acquisition Costs, By Country/Region, US$ mil, 2011-2015 39 Figure 31: Whiting Petroleum Corporation, Unproved Acquisition Costs, By Country/Region, US$ mil, 2011-2015 39 Figure 32: Whiting Petroleum Corporation, Development Costs, By Country/Region, US$ mil, 2011-2015 41 Figure 33: Whiting Petroleum Corporation, Exploration Costs, By Country/Region, US$ mil, 2011-2015 41 Figure 34: Whiting Petroleum Corporation, 3-Year Wt.Avg., Reserves Replacement, Finding and Development Costs, Finding Cost and Proved Acquisition Costs Per boe, US$/boe, 2011-2015 43 Figure 35: Whiting Petroleum Corporation, Oil & Gas Finding & Development Cost/boe, 3-Year Average, By Country/Region, US$/boe, 2011-2015 45 Figure 36: Whiting Petroleum Corporation, Oil & Gas Finding Cost per boe, 3-Year Average, By Country/Region, US$/boe, 2011-2015 45 Figure 37: Whiting Petroleum Corporation, Reserve Replacement Cost per boe, 3-Year Average, By Country/Region, US$/boe, 2011-2015 46 Figure 38: Whiting Petroleum Corporation, 3-Year Wt.Avg., Oil and Gas Production Replacement Ratio, %, 2011-2015 47 Figure 39: Whiting Petroleum Corporation, 3-Year Wt. Avg. Gas F&D Production Replacement, By Country/Region, %, 2011-2015 49 Figure 40: Whiting Petroleum Corporation, 3-Year Wt. Avg. Gas RRC Production Replacement, By Country/Region, %, 2011-2015 49 Figure 41: Whiting Petroleum Corporation, 3-Year Wt. Avg. Oil & Gas F&D Production Replacement, By Country/Region, %, 2011-2015 50 Figure 42: Whiting Petroleum Corporation, 3-Year Wt. Avg. Oil & Gas RRC Production Replacement, By Country/Region, %, 2011-2015 50 Figure 43: Whiting Petroleum Corporation, 3-Year Wt. Avg. Oil F&D Production Replacement, By Country/Region, %, 2011-2015 51 Figure 44: Whiting Petroleum Corporation, 3-Year Wt. Avg. Oil RRC Production Replacement, By Country/Region, %, 2011-2015 51 Figure 45: Whiting Petroleum Corporation, Revenue and Expenses, US$ mil, 2011-2015 53 Figure 46: Whiting Petroleum Corporation, Depreciation, Depletion and Amortization From Upstream Oil & Gas Operations, By Country/Region, US$ mil, 2011-2015 54 Figure 47: Whiting Petroleum Corporation, Exploration Expenses, By Country/Region, US$ mil, 2011-2015 54 Figure 48: Whiting Petroleum Corporation, Income Tax Provision (Benefit) From Upstream Oil & Gas Operations, By Country/Region, US$ mil, 2011-2015 55 Figure 49: Whiting Petroleum Corporation, Net Income/ Loss From Upstream Oil & Gas Operations, By Country/Region, US$ mil, 2011-2015 55 Figure 50: Whiting Petroleum Corporation, Oil & Gas Revenue, By Country/Region, US$ mil, 2011-2015 56 Figure 51: Whiting Petroleum Corporation, Profit (loss) Before Taxation From Upstream Oil & Gas Operations, By Country/Region, US$ mil, 2011-2015 56 Figure 52: Whiting Petroleum Corporation, Production Costs, By Country/Region, US$ mil, 2011-2015 57 Figure 53: Whiting Petroleum Corporation, Total Expenses From Upstream Oil & Gas Operations, By Country/Region, US$ mil, 2011-2015 57 Figure 54: Whiting Petroleum Corporation, Oil and Gas Revenue and Expenses, US$/boe, 2011-2015 59 Figure 55: Whiting Petroleum Corporation, Exploration Expenses per boe, By Country/Region, US$/boe, 2011-2015 60 Figure 56: Whiting Petroleum Corporation, Income Tax/(Benefit) per boe, By Country/Region, US$/boe, 2011-2015 60 Figure 57: Whiting Petroleum Corporation, Lifting Cost per boe, By Country/Region, US$/boe, 2011-2015 61 Figure 58: Whiting Petroleum Corporation, Annual Net Income per boe, By Country/Region, US$/boe, 2011-2015 61 Figure 59: Whiting Petroleum Corporation, Oil & Gas Revenue per boe, By Country/Region, US$/boe, 2011-2015 62 Figure 60: Whiting Petroleum Corporation, Total DD&A per boe, By Country/Region, US$/boe, 2011-2015 62 Figure 61: Whiting Petroleum Corporation, Total Revenue per boe, By Country/Region, US$/boe, 2011-2015 63 Figure 62: Whiting Petroleum Corporation, Oil and Gas Performance Metrics, 2011-2015 64 Figure 63: Whiting Petroleum Corporation, Land Holdings (Developed and Undeveloped Acreage), Acres, 2011-2015 65 Figure 64: Whiting Petroleum Corporation, Total Gross Undeveloped Acreage, By Country/Region, Acres, 2011-2015 66 Figure 65: Whiting Petroleum Corporation, Total Net Undeveloped Acreage, By Country/Region, Acres, 2011-2015 66 Figure 66: Whiting Petroleum Corporation, Total Gross Developed Acreage, By Country/Region, Acres, 2011-2015 67 Figure 67: Whiting Petroleum Corporation, Total Net Developed Acreage, By Country/Region, Acres, 2011-2015 67 Figure 68: Whiting Petroleum Corporation, Producible Oil and Gas Wells, 2011-2015 69 Figure 69: Whiting Petroleum Corporation, Gross Productive Gas Wells, By Country/Region, Number, 2011-2015 70 Figure 70: Whiting Petroleum Corporation, Gross Productive Oil & Gas Wells, By Country/Region, Number, 2011-2015 70 Figure 71: Whiting Petroleum Corporation, Gross Productive Oil Wells, By Country/Region, Number, 2011-2015 71 Figure 72: Whiting Petroleum Corporation, Net/Gross Oil & Gas Ratio, By Country/Region, %, 2011-2015 71 Figure 73: Whiting Petroleum Corporation, Net Productive Gas Wells, By Country/Region, Number, 2011-2015 72 Figure 74: Whiting Petroleum Corporation, Net Productive Oil & Gas Wells, By Country/Region, Number, 2011-2015 72 Figure 75: Whiting Petroleum Corporation, Net Productive Oil Wells, By Country/Region, Number, 2011-2015 73 Figure 76: Whiting Petroleum Corporation, Exploratory and Developed Wells, 2011-2015 74