Half-year report · HY

Period2025-04-01 → 2025-09-30
Filed2025-11-13
StandardIFRS
ConsolidatedYes
Data checks10 of 10 passed
Key figures · 50
MetricValuePeriodScopeSource row
Revenue¥5.69T2025-04-01 → 2025-09-30Cons.Revenue IFRS (5-year summary)
Revenue¥12.32T2024-04-01 → 2025-03-31Cons.Revenue IFRS (5-year summary)
Revenue¥6.01T2024-04-01 → 2024-09-30Cons.Revenue IFRS (5-year summary)
Operating income¥166.7bn2025-04-01 → 2025-09-30Cons.Operating profit loss IFRS
Operating income¥77.3bn2024-04-01 → 2024-09-30Cons.Operating profit loss IFRS
Profit before tax¥157.9bn2025-04-01 → 2025-09-30Cons.Profit loss before tax IFRS
Profit before tax¥88.2bn2024-04-01 → 2025-03-31Cons.Profit loss before tax IFRS (5-year summary)
Profit before tax¥64.9bn2024-04-01 → 2024-09-30Cons.Profit loss before tax IFRS
Net income (owners)¥64.8bn2025-04-01 → 2025-09-30Cons.Profit loss attributable to owners of parent IFRS
Net income (owners)¥226.1bn2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent IFRS (5-year summary)
Net income (owners)¥68.2bn2024-04-01 → 2024-09-30Cons.Profit loss attributable to owners of parent IFRS
Net income¥92.2bn2025-04-01 → 2025-09-30Cons.Profit loss IFRS
Net income¥95.9bn2024-04-01 → 2024-09-30Cons.Profit loss IFRS
Total assets¥8.71Tat 2025-09-30Cons.Assets IFRS
Total assets¥8.79Tat 2025-03-31Cons.Assets IFRS
Total assets¥9.50Tat 2024-09-30Cons.Total assets IFRS (5-year summary)
Total liabilities¥5.24Tat 2025-09-30Cons.Liabilities IFRS
Total liabilities¥5.32Tat 2025-03-31Cons.Liabilities IFRS
Net assets / equity¥3.47Tat 2025-09-30Cons.Equity IFRS
Net assets / equity¥3.47Tat 2025-03-31Cons.Equity IFRS
Net assets / equity¥3.57Tat 2024-09-30Cons.Equity IFRS
Net assets / equity¥3.70Tat 2024-03-31vCons.Equity IFRS
Equity (owners)¥3.12Tat 2025-09-30Cons.Equity attributable to owners of parent IFRS
Equity (owners)¥3.10Tat 2025-03-31Cons.Equity attributable to owners of parent IFRS
Equity (owners)¥3.11Tat 2024-09-30Cons.Equity attributable to owners of parent IFRS (5-year summary)
Cash & equivalents¥847.2bnat 2025-09-30Cons.Cash and cash equivalents IFRS
Cash & equivalents¥846.6bnat 2025-03-31Cons.Cash and cash equivalents IFRS
Cash & equivalents¥408.8bnat 2024-09-30Cons.Cash and cash equivalents IFRS
Cash & equivalents¥775.9bnat 2024-03-31vCons.Cash and cash equivalents IFRS
Operating cash flow¥334.3bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in operating activities IFRS
Operating cash flow¥576.8bn2024-04-01 → 2025-03-31Cons.Cash flows from used in operating activities IFRS (5-year summary)
Operating cash flow¥127.7bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in operating activities IFRS
Investing cash flow−¥123.0bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in investing activities IFRS
Investing cash flow¥130.8bn2024-04-01 → 2025-03-31Cons.Cash flows from used in investing activities IFRS (5-year summary)
Investing cash flow−¥157.7bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in investing activities IFRS
Financing cash flow−¥215.7bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in financing activities IFRS
Financing cash flow−¥630.4bn2024-04-01 → 2025-03-31Cons.Cash flows from used in financing activities IFRS (5-year summary)
Financing cash flow−¥333.4bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in financing activities IFRS
EPS (basic)¥24.072025-04-01 → 2025-09-30Cons.Basic earnings loss per share IFRS
EPS (basic)¥79.962024-04-01 → 2025-03-31Cons.Basic earnings loss per share IFRS (5-year summary)
EPS (basic)¥23.42024-04-01 → 2024-09-30Cons.Basic earnings loss per share IFRS
EPS (diluted)¥24.032025-04-01 → 2025-09-30Cons.Diluted earnings loss per share IFRS
EPS (diluted)¥79.812024-04-01 → 2025-03-31Cons.Diluted earnings loss per share IFRS (5-year summary)
EPS (diluted)¥23.352024-04-01 → 2024-09-30Cons.Diluted earnings loss per share IFRS
Net assets per share¥1,158.79at 2025-09-30Cons.Equity to asset ratio IFRS (5-year summary)
Net assets per share¥1,152.5at 2025-03-31Cons.Equity to asset ratio IFRS (5-year summary)
Net assets per share¥1,104.25at 2024-09-30Cons.Equity to asset ratio IFRS (5-year summary)
Equity ratio35.8%at 2025-09-30Cons.Ratio of owners equity to gross assets IFRS (5-year summary)
Equity ratio35.3%at 2025-03-31Cons.Ratio of owners equity to gross assets IFRS (5-year summary)
Equity ratio32.7%at 2024-09-30Cons.Ratio of owners equity to gross assets IFRS (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 · 16
SegmentItemPeriodValue
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment profit2025-04-01 → 2025-09-30¥40.5bn
Reconciling Itemsreconcilingsegment profit2025-04-01 → 2025-09-30−¥1.5bn
Electricityreportable segmentsegment profit2025-04-01 → 2025-09-30¥18.7bn
High Performance Materialsreportable segmentsegment profit2025-04-01 → 2025-09-30¥9.4bn
Oil And Natural Gas Exploration And Productionreportable segmentsegment profit2025-04-01 → 2025-09-30¥27.3bn
Petroleum Productsreportable segmentsegment profit2025-04-01 → 2025-09-30¥71.3bn
Renewable Energyreportable segmentsegment profit2025-04-01 → 2025-09-30¥1.1bn
—segment totalsegment profit2025-04-01 → 2025-09-30¥127.8bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment profit2024-04-01 → 2024-09-30¥19.7bn
Reconciling Itemsreconcilingsegment profit2024-04-01 → 2024-09-30−¥6.1bn
Electricityreportable segmentsegment profit2024-04-01 → 2024-09-30¥14.2bn
High Performance Materialsreportable segmentsegment profit2024-04-01 → 2024-09-30¥9.1bn
Oil And Natural Gas Exploration And Productionreportable segmentsegment profit2024-04-01 → 2024-09-30¥46.7bn
Petroleum Productsreportable segmentsegment profit2024-04-01 → 2024-09-30−¥7.5bn
Renewable Energyreportable segmentsegment profit2024-04-01 → 2024-09-30¥1.4bn
—segment totalsegment profit2024-04-01 → 2024-09-30¥63.8bn

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

All source rows · 1,024
ItemContextValueUnit
Industry code when consolidated financial statements are prepared in accordance with industry specific regulationsFilingDateInstantCTE
Industry code when financial statements are prepared in accordance with industry specific regulationsFilingDateInstant-
Current fiscal year start dateFilingDateInstant2025-04-01
Current period end dateFilingDateInstant2025-09-30
Type of current periodFilingDateInstantHY
Current fiscal year end dateFilingDateInstant2026-03-31
Previous fiscal year start dateFilingDateInstant2024-04-01
Comparative period end dateFilingDateInstant2024-09-30
Previous fiscal year end dateFilingDateInstant2025-03-31
Next fiscal year start dateFilingDateInstant-
End date of quarterly or semi annual period of next fiscal yearFilingDateInstant-
Amendment flagFilingDateInstantfalse
Identification of document subject to amendmentFilingDateInstant-
Report amendment flagFilingDateInstantfalse
Xbrl amendment flagFilingDateInstantfalse
Business results of group (text)FilingDateInstantText · Plus
Description of business (text)FilingDateInstantText · Plus
Business risks (text)FilingDateInstantText · Plus
Management analysis of financial position operating results and cash flows (text)FilingDateInstantText · Plus
Critical contracts (text)FilingDateInstantText · Plus
Total number of shares (text)FilingDateInstantText · Plus
Issued shares total number of shares etc (text)FilingDateInstantText · Plus
Class issued shares total number of shares etcFilingDateInstant_OrdinaryShareMember
Original text (Japanese)普通株式
Name of financial instruments exchange on which securities are listed or authorized financial instruments business association to which securities are registeredFilingDateInstant_OrdinaryShareMember
Original text (Japanese)東京証券取引所(プライム市場)名古屋証券取引所(プレミア市場)
Description issued shares total number of shares etcFilingDateInstant_OrdinaryShareMember
Original text (Japanese)単元株式数100株
Details of employee share option program (text)FilingDateInstantText · Plus
Other information on share acquisition rights (text)FilingDateInstantText · Plus
Exercises etc of moving strike convertible bonds etc (text)FilingDateInstantText · Plus
Changes in number of issued shares stated capital etc (text)FilingDateInstantText · Plus
Major shareholders (text)FilingDateInstantText · Plus
Name major shareholdersInterimInstant_No1MajorShareholdersMember
Original text (Japanese)日本マスタートラスト信託銀行株式会社(信託口)
Address major shareholdersInterimInstant_No1MajorShareholdersMember
Original text (Japanese)東京都港区赤坂一丁目8番1号
Name major shareholdersInterimInstant_No2MajorShareholdersMember
Original text (Japanese)株式会社日本カストディ銀行(信託口)
Address major shareholdersInterimInstant_No2MajorShareholdersMember
Original text (Japanese)東京都中央区晴海一丁目8番12号
Name major shareholdersInterimInstant_No3MajorShareholdersMemberText · Plus
Address major shareholdersInterimInstant_No3MajorShareholdersMemberText · Plus
Name major shareholdersInterimInstant_No4MajorShareholdersMemberText · Plus
Address major shareholdersInterimInstant_No4MajorShareholdersMemberText · Plus
Name major shareholdersInterimInstant_No5MajorShareholdersMember
Original text (Japanese)JPモルガン証券株式会社
Address major shareholdersInterimInstant_No5MajorShareholdersMember
Original text (Japanese)東京都千代田区丸の内二丁目7番3号
Name major shareholdersInterimInstant_No6MajorShareholdersMember
Original text (Japanese)高知信用金庫
Address major shareholdersInterimInstant_No6MajorShareholdersMember
Original text (Japanese)高知県高知市はりまや町二丁目4番4号
Name major shareholdersInterimInstant_No7MajorShareholdersMember
Original text (Japanese)JP MORGAN CHASE BANK 385781(常任代理人 株式会社みずほ銀行決済営業部)
Address major shareholdersInterimInstant_No7MajorShareholdersMemberText · Plus
Name major shareholdersInterimInstant_No8MajorShareholdersMember
Original text (Japanese)JP MORGAN CHASE BANK 385771(常任代理人 株式会社みずほ銀行決済営業部)
Address major shareholdersInterimInstant_No8MajorShareholdersMemberText · Plus
Name major shareholdersInterimInstant_No9MajorShareholdersMember
Original text (Japanese)日本証券金融株式会社
Address major shareholdersInterimInstant_No9MajorShareholdersMember
Original text (Japanese)東京都中央区日本橋茅場町一丁目2番10号)
Name major shareholdersInterimInstant_No10MajorShareholdersMember
Original text (Japanese)BNYM AS AGT/CLTS 10 PERCENT(常任代理人 株式会社三菱UFJ銀行)
Address major shareholdersInterimInstant_No10MajorShareholdersMemberText · Plus

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 · 10 of 10 passed
balance sheet identityconsolidated 2025-03-31pass
balance sheet identityconsolidated 2025-09-30pass
dei present pass
period resolution pass
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 · total assetsconsolidated 2025-03-31pass
statement vs summary · total assetsconsolidated 2025-09-30pass