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
Independent auditors report consolidated (text)FilingDateInstantText · Plus
Audit firm1 consolidatedFilingDateInstant
Original text (Japanese)有限責任 あずさ監査法人
Cpa1 audit firm1 consolidatedFilingDateInstant
Original text (Japanese)花岡 克典
Cpa2 audit firm1 consolidatedFilingDateInstant
Original text (Japanese)志賀 恭子
Cpa3 audit firm1 consolidatedFilingDateInstant
Original text (Japanese)嶋瀬 統之
Number of submissionFilingDateInstant1
Net sales (5-year summary)Prior1InterimDuration1321131000000JPY
Net sales (5-year summary)InterimDuration1333782000000JPY
Net sales (5-year summary)Prior1YearDuration2799947000000JPY
Ordinary income loss (5-year summary)Prior1InterimDuration58790000000JPY
Ordinary income loss (5-year summary)InterimDuration53208000000JPY
Ordinary income loss (5-year summary)Prior1YearDuration150758000000JPY
Profit loss attributable to owners of parent (5-year summary)Prior1InterimDuration20639000000JPY
Profit loss attributable to owners of parent (5-year summary)InterimDuration23631000000JPY
Profit loss attributable to owners of parent (5-year summary)Prior1YearDuration57671000000JPY
Comprehensive income (5-year summary)Prior1InterimDuration24428000000JPY
Comprehensive income (5-year summary)InterimDuration28018000000JPY
Comprehensive income (5-year summary)Prior1YearDuration47467000000JPY
Net assets (5-year summary)Prior1InterimInstant724610000000JPY
Net assets (5-year summary)InterimInstant717048000000JPY
Net assets (5-year summary)Prior1YearInstant707477000000JPY
Total assets (5-year summary)Prior1InterimInstant2219369000000JPY
Total assets (5-year summary)InterimInstant2114875000000JPY
Total assets (5-year summary)Prior1YearInstant2156605000000JPY
Basic earnings loss per share (5-year summary)Prior1InterimDuration118.58
Basic earnings loss per share (5-year summary)InterimDuration143.93
Basic earnings loss per share (5-year summary)Prior1YearDuration336.39
Diluted earnings per share (5-year summary)Prior1InterimDuration-
Diluted earnings per share (5-year summary)InterimDuration-
Diluted earnings per share (5-year summary)Prior1YearDuration-
Equity to asset ratio (5-year summary)Prior1InterimInstant0.268
Equity to asset ratio (5-year summary)InterimInstant0.279
Equity to asset ratio (5-year summary)Prior1YearInstant0.271
Net cash provided by used in operating activities (5-year summary)Prior1InterimDuration21174000000JPY
Net cash provided by used in operating activities (5-year summary)InterimDuration120407000000JPY
Net cash provided by used in operating activities (5-year summary)Prior1YearDuration137118000000JPY
Net cash provided by used in investing activities (5-year summary)Prior1InterimDuration-118101000000JPY
Net cash provided by used in investing activities (5-year summary)InterimDuration-23681000000JPY
Net cash provided by used in investing activities (5-year summary)Prior1YearDuration-145688000000JPY
Net cash provided by used in financing activities (5-year summary)Prior1InterimDuration28290000000JPY
Net cash provided by used in financing activities (5-year summary)InterimDuration-71085000000JPY
Net cash provided by used in financing activities (5-year summary)Prior1YearDuration-69027000000JPY
Cash and cash equivalents (5-year summary)Prior1InterimInstant44449000000JPY
Cash and cash equivalents (5-year summary)InterimInstant56465000000JPY
Cash and cash equivalents (5-year summary)Prior1YearInstant34905000000JPY
Number of issued shares as of fiscal year end issued shares total number of shares etcFilingDateInstant_OrdinaryShareMember82520861
Number of issued shares as of filing date issued shares total number of shares etcFilingDateInstant_OrdinaryShareMember165041722
Number of issued shares as of fiscal year end issued shares total number of shares etcFilingDateInstant82520861
Number of issued shares as of filing date issued shares total number of shares etcFilingDateInstant165041722
Number of shares heldInterimInstant_No1MajorShareholdersMember17709000

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