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
Purchase of investment securities inv cfPrior1InterimDuration-855000000JPY
Purchase of investment securities inv cfInterimDuration-162000000JPY
Proceeds from sales and redemption of investment securities inv cfPrior1InterimDuration2527000000JPY
Proceeds from sales and redemption of investment securities inv cfInterimDuration1012000000JPY
Purchase of stocks of subsidiaries and affiliates inv cfPrior1InterimDuration-426000000JPY
Purchase of stocks of subsidiaries and affiliates inv cfInterimDuration-26000000JPY
Purchase of property plant and equipment inv cfPrior1InterimDuration-42419000000JPY
Purchase of property plant and equipment inv cfInterimDuration-32918000000JPY
Payments for disposal of property plant and equipment inv cfPrior1InterimDuration-3481000000JPY
Payments for disposal of property plant and equipment inv cfInterimDuration-4513000000JPY
Proceeds from sales of property plant and equipment inv cfPrior1InterimDuration272000000JPY
Proceeds from sales of property plant and equipment inv cfInterimDuration1195000000JPY
Payments for purchases of intangible fixed assets and long term prepaid expenses inv cfPrior1InterimDuration-3485000000JPY
Payments for purchases of intangible fixed assets and long term prepaid expenses inv cfInterimDuration-3612000000JPY
Decrease increase in short term loans receivable inv cfPrior1InterimDuration-757000000JPY
Decrease increase in short term loans receivable inv cfInterimDuration171000000JPY
Payments into time deposits inv cfPrior1InterimDuration-99629000000JPY
Payments into time deposits inv cfInterimDuration-110278000000JPY
Proceeds from withdrawal of time deposits inv cfPrior1InterimDuration29454000000JPY
Proceeds from withdrawal of time deposits inv cfInterimDuration125336000000JPY
Proceeds from withdrawal of investments in silent partnership inv cfPrior1InterimDuration87000000JPY
Proceeds from withdrawal of investments in silent partnership inv cfInterimDuration38000000JPY
Other net inv cfPrior1InterimDuration612000000JPY
Other net inv cfInterimDuration75000000JPY
Net cash provided by used in investment activitiesPrior1InterimDuration-118101000000JPY
Net cash provided by used in investment activitiesInterimDuration-23681000000JPY
Net increase decrease in short term loans payable fin cfPrior1InterimDuration73116000000JPY
Net increase decrease in short term loans payable fin cfInterimDuration-48629000000JPY
Repayment of long term loans payable fin cfPrior1InterimDuration-33982000000JPY
Repayment of long term loans payable fin cfInterimDuration-8010000000JPY
Net increase decrease in commercial papers fin cfPrior1InterimDuration17000000000JPY
Net increase decrease in commercial papers fin cfInterimDuration5000000000JPY
Purchase of treasury stock fin cfPrior1InterimDuration-14348000000JPY
Purchase of treasury stock fin cfInterimDuration-4694000000JPY
Cash dividends paid fin cfPrior1InterimDuration-13244000000JPY
Cash dividends paid fin cfInterimDuration-14961000000JPY
Proceeds from share issuance to non controlling shareholders fin cfPrior1InterimDuration-JPY
Proceeds from share issuance to non controlling shareholders fin cfInterimDuration237000000JPY
Other net fin cfPrior1InterimDuration-250000000JPY
Other net fin cfInterimDuration-26000000JPY
Net cash provided by used in financing activitiesPrior1InterimDuration28290000000JPY
Net cash provided by used in financing activitiesInterimDuration-71085000000JPY
Effect of exchange rate change on cash and cash equivalentsPrior1InterimDuration7605000000JPY
Effect of exchange rate change on cash and cash equivalentsInterimDuration-4080000000JPY
Net increase decrease in cash and cash equivalentsPrior1InterimDuration-61030000000JPY
Net increase decrease in cash and cash equivalentsInterimDuration21560000000JPY
Cash and cash equivalentsPrior2YearInstant105480000000JPY
Cash and cash equivalentsPrior1YearInstant34905000000JPY
Cash and cash equivalentsPrior1InterimInstant44449000000JPY
Cash and cash equivalentsInterimInstant56465000000JPY

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