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This report is based on the IPIECA/API/IOGP Oil & Gas Industry Guidance on Voluntary Sustainability Reporting with additional indicators informed by the Global Reporting Initiative (GRI) G4 Sustainability Reporting Guidelines. The index below lists indicators on which we have fully or partially reported.

  IPIECA/API/IOGP Indicators GRI G4 Indicators
About This Report   G4-2, G4-7, G4-20, G4-22, G4-28, G4-29, G4-30, G4-31, G4-33
Materiality Determination   G4-18
Marathon Oil at a Glance   G4-3, G4-4, G4-5, G4-6, G4-8, G4-9, G4-17
CEO Message E1, HS3, SE1, SE4, SE5 G4-1, G4-2, G4-13
A Message from our Board E1  G4-1, G4-2, G4-48
Performance Summary E1, E2, E9, HS3, SE4, SE15  G4-9, G4-22, G4-EC1, G4-LA12
Performance Metrics E1, E2, E6, E9, HS3, HS5, SE4, SE14, SE15 G4-10, G4-22, G4-EN5, G4-EN8, G4-EN15, G4-EN16, G4-EN18, G4-EN21, G4-EN24, G4-LA6, G4-LA12, G4-SO6
Stakeholder Engagement Map   G4-24, G4-26, G4-27
Management Systems   G4-34, G4-46, G4-47
Corporate Commitments See sections below See sections below
IPIECA/API/IOGP and GRI Index   G4-32
Management Approach   G4-DMA, G4-34, G4-37, G4-38, G4-39, G4-40, G4-41, G4-45, G4-49, G4-51, G4-53
Progress on Our Commitments SE11, SE13, SE14  
Sustainability Oversight SE1 G4-26, G4-34, G4-35, G4-36, G4-42, G4-43, G4-44, G4-46, G4-48
Ethical Business Practices SE11, SE13, SE18 G4-56, G4-57, G4-58, G4-SO3, G4-SO4
Public Policy and Political Contributions SE1, SE14 G4-16, G4-SO6
Emergency Preparedness   G4-16
Management Approach SE1 G4-DMA
Progress on Our Commitments HS2, SE1, SE4, SE5, SE7, SE10 G4-26
Security and Human Rights SE8, SE10 G4-15
Stakeholder Engagement SE1 G4-25, G4-26, G4-SO1
Social Investment E5, E10, HS2, SE1, SE4 G4-EC7
Local Content: Workforce Integration and Procurement SE5, SE7 G4-EC8, G4LA-10
Management Approach SE1  G4-DMA, G4-26
Progress on Our Commitments E1, E9, E10, SE1  G4-EN3, G4-EN15, G4-EN16
Climate Change and Emissions Management E1, E4, E8 G4-EN5, G4-EN15, G4-EN16, G4-EN17, G4-EN18, G4-EN19, G4-EN21
Water Management E6 G4-EN8, G4-EN10
Spills and Releases E9 G4-EN24
Waste Management E10  
Safety and Workforce
Management Approach HS1 G4-DMA, G4-LA11
Progress on Our Commitments HS1, HS3, HS4, HS5 G4-LA6
Our Workforce SE15 G4-10, G4-LA1
Diversity and Inclusion SE15 G4-LA12
Safety Performance HS1, HS2, HS3, HS4, SE16 G4-LA6, G4-PR3
Contractor Safety HS1 G4-LA6
Workforce Health HS1, HS2 G4-LA7
Case Studies
 Strengthening Contractor Safety HS1, SE7 G4-EC9
Alba B3: A Model of Sustainability E1, E5, E7, E9, E10, HS1, HS2, HS3, SE1, SE4, SE5, SE7, SE15, SE17 G4-EC9, G4-EN13, G4-EN24, G4-LA6, G4-EC1, G4-EC6, G4-EC9, G4-LA10
Social Investments in Equatorial Guinea HS2, SE1, SE4  G4-LA7, G4-S02, G4-EC1 
Building the Future Workforce SE1, SE4, SE17 G4-S01, G4-EC1 
Hydraulic Fracturing E1, E4, E6, E10, HS4 G4-15, G4-27, G4-EN27
Seismicity E10, SE14 G4-DMA 


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