Half-year report · HY

Period2025-04-01 → 2025-09-30
Filed2025-11-11
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 44
MetricValuePeriodScopeSource row
Revenue¥1.33T2025-04-01 → 2025-09-30Cons.Net sales
Revenue¥2.80T2024-04-01 → 2025-03-31Cons.Net sales (5-year summary)
Revenue¥1.32T2024-04-01 → 2024-09-30Cons.Net sales
Operating income¥60.3bn2025-04-01 → 2025-09-30Cons.Operating income
Operating income¥41.2bn2024-04-01 → 2024-09-30Cons.Operating income
Ordinary income¥53.2bn2025-04-01 → 2025-09-30Cons.Ordinary income
Ordinary income¥150.8bn2024-04-01 → 2025-03-31Cons.Ordinary income loss (5-year summary)
Ordinary income¥58.8bn2024-04-01 → 2024-09-30Cons.Ordinary income
Profit before tax¥52.6bn2025-04-01 → 2025-09-30Cons.Income before income taxes
Profit before tax¥52.3bn2024-04-01 → 2024-09-30Cons.Income before income taxes
Net income (owners)¥23.6bn2025-04-01 → 2025-09-30Cons.Profit loss attributable to owners of parent
Net income (owners)¥57.7bn2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥20.6bn2024-04-01 → 2024-09-30Cons.Profit loss attributable to owners of parent
Net income¥27.6bn2025-04-01 → 2025-09-30Cons.Profit loss
Net income¥25.6bn2024-04-01 → 2024-09-30Cons.Profit loss
Total assets¥2.11Tat 2025-09-30Cons.Assets
Total assets¥2.16Tat 2025-03-31Cons.Assets
Total assets¥2.22Tat 2024-09-30Cons.Total assets (5-year summary)
Total liabilities¥1.40Tat 2025-09-30Cons.Liabilities
Total liabilities¥1.45Tat 2025-03-31Cons.Liabilities
Net assets / equity¥717.0bnat 2025-09-30Cons.Net assets
Net assets / equity¥707.5bnat 2025-03-31Cons.Net assets
Net assets / equity¥724.6bnat 2024-09-30Cons.Net assets (5-year summary)
Cash and deposits¥126.7bnat 2025-09-30Cons.Cash and deposits
Cash and deposits¥126.9bnat 2025-03-31Cons.Cash and deposits
Cash & equivalents¥56.5bnat 2025-09-30Cons.Cash and cash equivalents
Cash & equivalents¥34.9bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥44.4bnat 2024-09-30Cons.Cash and cash equivalents
Cash & equivalents¥105.5bnat 2024-03-31vCons.Cash and cash equivalents
Operating cash flow¥120.4bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in operating activities
Operating cash flow¥137.1bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥21.2bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in operating activities
Investing cash flow−¥23.7bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in investment activities
Investing cash flow−¥145.7bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥118.1bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in investment activities
Financing cash flow−¥71.1bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in financing activities
Financing cash flow−¥69.0bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow¥28.3bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in financing activities
EPS (basic)¥143.932025-04-01 → 2025-09-30Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥336.392024-04-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥118.582024-04-01 → 2024-09-30Cons.Basic earnings loss per share (5-year summary)
Equity ratio27.9%at 2025-09-30Cons.Equity to asset ratio (5-year summary)
Equity ratio27.1%at 2025-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio26.8%at 2024-09-30Cons.Equity to asset ratio (5-year summary)

Periods use the dates stated in the filing. d = earlier-year period dated by calendar; v = that date confirmed by the company's own earlier filing.

Segments · 46
SegmentItemPeriodValue
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2025-04-01 → 2025-09-30¥36.7bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2025-04-01 → 2025-09-30¥12.3bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue intersegment2025-04-01 → 2025-09-30¥24.4bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment ordinary income2025-04-01 → 2025-09-30¥2.3bn
Reconciling Itemsreconcilingrevenue2025-04-01 → 2025-09-30−¥130.4bn
Reconciling Itemsreconcilingrevenue intersegment2025-04-01 → 2025-09-30−¥130.4bn
Reconciling Itemsreconcilingsegment ordinary income2025-04-01 → 2025-09-30¥5.6bn
Oil Exploration And Productionreportable segmentrevenue2025-04-01 → 2025-09-30¥65.4bn
Oil Exploration And Productionreportable segmentrevenue external2025-04-01 → 2025-09-30¥28.3bn
Oil Exploration And Productionreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥37.1bn
Oil Exploration And Productionreportable segmentsegment ordinary income2025-04-01 → 2025-09-30¥24.1bn
Petrochemicalreportable segmentrevenue2025-04-01 → 2025-09-30¥174.5bn
Petrochemicalreportable segmentrevenue external2025-04-01 → 2025-09-30¥150.9bn
Petrochemicalreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥23.5bn
Petrochemicalreportable segmentsegment ordinary income2025-04-01 → 2025-09-30−¥2.2bn
Petroleum Businessreportable segmentrevenue2025-04-01 → 2025-09-30¥1.18T
Petroleum Businessreportable segmentrevenue external2025-04-01 → 2025-09-30¥1.14T
Petroleum Businessreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥45.2bn
Petroleum Businessreportable segmentsegment ordinary income2025-04-01 → 2025-09-30¥24.1bn
Renewable Energy Businessreportable segmentrevenue2025-04-01 → 2025-09-30¥6.1bn
Renewable Energy Businessreportable segmentrevenue external2025-04-01 → 2025-09-30¥6.0bn
Renewable Energy Businessreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥126m
Renewable Energy Businessreportable segmentsegment ordinary income2025-04-01 → 2025-09-30−¥567m
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2024-04-01 → 2024-09-30¥36.5bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2024-04-01 → 2024-09-30¥12.5bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue intersegment2024-04-01 → 2024-09-30¥24.0bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment ordinary income2024-04-01 → 2024-09-30¥2.7bn
Reconciling Itemsreconcilingrevenue2024-04-01 → 2024-09-30−¥118.8bn
Reconciling Itemsreconcilingrevenue intersegment2024-04-01 → 2024-09-30−¥118.8bn
Reconciling Itemsreconcilingsegment ordinary income2024-04-01 → 2024-09-30¥3.8bn
Oil Exploration And Productionreportable segmentrevenue2024-04-01 → 2024-09-30¥62.3bn
Oil Exploration And Productionreportable segmentrevenue external2024-04-01 → 2024-09-30¥22.5bn
Oil Exploration And Productionreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥39.8bn
Oil Exploration And Productionreportable segmentsegment ordinary income2024-04-01 → 2024-09-30¥45.0bn
Petrochemicalreportable segmentrevenue2024-04-01 → 2024-09-30¥160.5bn
Petrochemicalreportable segmentrevenue external2024-04-01 → 2024-09-30¥139.4bn
Petrochemicalreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥21.1bn
Petrochemicalreportable segmentsegment ordinary income2024-04-01 → 2024-09-30−¥4.3bn
Petroleum Businessreportable segmentrevenue2024-04-01 → 2024-09-30¥1.18T
Petroleum Businessreportable segmentrevenue external2024-04-01 → 2024-09-30¥1.14T
Petroleum Businessreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥33.9bn
Petroleum Businessreportable segmentsegment ordinary income2024-04-01 → 2024-09-30¥12.5bn
Renewable Energy Businessreportable segmentrevenue2024-04-01 → 2024-09-30¥4.8bn
Renewable Energy Businessreportable segmentrevenue external2024-04-01 → 2024-09-30¥4.8bn
Renewable Energy Businessreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥46m
Renewable Energy Businessreportable segmentsegment ordinary income2024-04-01 → 2024-09-30−¥920m

Segment names come from EDINET member IDs; not yet mapped to a common taxonomy.

All source rows · 573
ItemContextValueUnit
Income taxes payablePrior1YearInstant7849000000JPY
Income taxes payableInterimInstant11711000000JPY
Provision clPrior1YearInstant11823000000JPY
Provision clInterimInstant9686000000JPY
Other clPrior1YearInstant39161000000JPY
Other clInterimInstant38834000000JPY
Current liabilitiesPrior1YearInstant945465000000JPY
Current liabilitiesInterimInstant912053000000JPY
Bonds payablePrior1YearInstant37778000000JPY
Bonds payableInterimInstant37806000000JPY
Long term loans payablePrior1YearInstant264936000000JPY
Long term loans payableInterimInstant252600000000JPY
Provision for special repairsPrior1YearInstant34984000000JPY
Provision for special repairsInterimInstant41071000000JPY
Provision nclPrior1YearInstant7198000000JPY
Provision nclInterimInstant6227000000JPY
Net defined benefit liabilityPrior1YearInstant3576000000JPY
Net defined benefit liabilityInterimInstant3441000000JPY
Asset retirement obligations nclPrior1YearInstant31062000000JPY
Asset retirement obligations nclInterimInstant32023000000JPY
Other nclPrior1YearInstant124125000000JPY
Other nclInterimInstant112603000000JPY
Noncurrent liabilitiesPrior1YearInstant503662000000JPY
Noncurrent liabilitiesInterimInstant485773000000JPY
LiabilitiesPrior1YearInstant1449128000000JPY
LiabilitiesInterimInstant1397826000000JPY
Capital stockPrior1YearInstant46435000000JPY
Capital stockInterimInstant46435000000JPY
Capital surplusPrior1YearInstant93576000000JPY
Capital surplusInterimInstant82138000000JPY
Retained earningsPrior1YearInstant490634000000JPY
Retained earningsInterimInstant469731000000JPY
Treasury stockPrior1YearInstant-38667000000JPY
Treasury stockInterimInstant-1378000000JPY
Shareholders equityPrior1YearInstant591978000000JPY
Shareholders equityInterimInstant596925000000JPY
Valuation difference on available for sale securitiesPrior1YearInstant7740000000JPY
Valuation difference on available for sale securitiesInterimInstant8822000000JPY
Deferred gains or losses on hedgesPrior1YearInstant-519000000JPY
Deferred gains or losses on hedgesInterimInstant95000000JPY
Revaluation reserve for landPrior1YearInstant-20912000000JPY
Revaluation reserve for landInterimInstant-20912000000JPY
Foreign currency translation adjustmentPrior1YearInstant4410000000JPY
Foreign currency translation adjustmentInterimInstant3451000000JPY
Remeasurements of defined benefit plansPrior1YearInstant2084000000JPY
Remeasurements of defined benefit plansInterimInstant2031000000JPY
Valuation and translation adjustmentsPrior1YearInstant-7196000000JPY
Valuation and translation adjustmentsInterimInstant-6511000000JPY
Non controlling interestsPrior1YearInstant122694000000JPY
Non controlling interestsInterimInstant126634000000JPY

Every row of the EDINET CSV. Item names are the XBRL element names; filed text is kept in its original Japanese. Filed text is available on Plus and Pro.

Data checks · 14 of 14 passed
balance sheet identityconsolidated 2025-03-31pass
balance sheet identityconsolidated 2025-09-30pass rounding
dei present pass
period resolution pass
statement vs summary · net assetsconsolidated 2025-03-31pass
statement vs summary · net assetsconsolidated 2025-09-30pass
statement vs summary · net income attributable to parentconsolidated 2024-04-01/2024-09-30pass
statement vs summary · net income attributable to parentconsolidated 2025-04-01/2025-09-30pass
statement vs summary · operating cash flowconsolidated 2024-04-01/2024-09-30pass
statement vs summary · operating cash flowconsolidated 2025-04-01/2025-09-30pass
statement vs summary · revenueconsolidated 2024-04-01/2024-09-30pass
statement vs summary · revenueconsolidated 2025-04-01/2025-09-30pass
statement vs summary · total assetsconsolidated 2025-03-31pass
statement vs summary · total assetsconsolidated 2025-09-30pass