To ensure the reliability of environmental and social performance data included in Sustainability Report 2025, INPEX has obtained independent third-party assurance from SOCOTEC Certification Japan for all data marked with the symbol (✓) in the Performance Data.
Scope of Assurance: 2025 data covering the period from January to December for the following environmental and social performance data.
Environmental performance indicators
<Scope: Operational control in Japan*1>
- Direct GHG emissions(Scope 1) (Emissions source, Gas types)
- Indirect GHG emissions(Scope 2) (Location-based, Market-based)
- Energy consumption
- Fresh water consumption
- Discharge of produced water
- Emissions to the atmosphere (VOC, NOx, and SOx)
- Waste
- Waste (drilling-related work)
<Scope: Overseas operational control*2>
- Direct GHG emissions(Scope 1) (Emissions source, Gas types)
- Indirect GHG emissions(Scope 2) (Location-based, Market-based)
- Emissions to the atmosphere (VOC, NOx, and SOx)
<Scope: Equity share based*3>
- Direct GHG emissions (Scope 1)
- Indirect GHG emissions (Scope 2)
<Scope: ->
- Indirect GHG Emissions (Scope 3) Category11 Use of sold products*4
<Scope: Operational control including Japan and global organizations*5>
- Oil Spills (Quantity of spills)
Social performance indicators
<Scope: Operational control including Japan and global organizations*5>
- LTIR
- TRIR
- Fatalities
- Serious injuries
- Tier 1
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*1Reported on an operational control basis including Head office, Technical Research Center and Operational organizations in Japan(operated by INPEX Corporation and its consolidated subsidiaries)as of the end of December 2025
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*2Reported on an operational control basis including Overseas offices and Overseas operational organizations(operated by INPEX Corporation and its consolidated subsidiaries)as of the end of December 2025
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*3Equity share based Scope1, 2 emissions cover the production projects where INPEX takes the role of operator as of the end of December, 2025, Headquarters and Technical Research Center
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*4Category 11 is calculated by multiplying the total sales volume of crude oil, natural gas, and LPG by each product's emission factor under the assumption that all amounts of them are combusted
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*5Reported on an operational control basis including Head office, Technical Research Center and Overseas offices and Operational organizations in Japan and overseas(operated by INPEX Corporation and its consolidated subsidiaries) as of the end of December 2025
