Half-year report · HY

Period2025-04-01 → 2025-09-30
Filed2025-11-11
StandardIFRS
ConsolidatedYes
Data checks12 of 12 passed
Key figures · 44
MetricValuePeriodScopeSource row
Revenue¥650.8bn2025-04-01 → 2025-09-30Cons.Revenue IFRS
Revenue¥1.31T2024-04-01 → 2025-03-31Cons.Revenue IFRS (5-year summary)
Revenue¥643.0bn2024-04-01 → 2024-09-30Cons.Revenue IFRS
Operating income¥94.2bn2025-04-01 → 2025-09-30Cons.Operating profit loss IFRS
Operating income¥82.5bn2024-04-01 → 2024-09-30Cons.Operating profit loss IFRS
Profit before tax¥83.3bn2025-04-01 → 2025-09-30Cons.Profit loss before tax IFRS
Profit before tax¥145.3bn2024-04-01 → 2025-03-31Cons.Profit loss before tax IFRS (5-year summary)
Profit before tax¥71.8bn2024-04-01 → 2024-09-30Cons.Profit loss before tax IFRS
Net income (owners)¥57.4bn2025-04-01 → 2025-09-30Cons.Profit loss attributable to owners of parent IFRS
Net income (owners)¥98.8bn2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent IFRS (5-year summary)
Net income (owners)¥49.2bn2024-04-01 → 2024-09-30Cons.Profit loss attributable to owners of parent IFRS
Net income¥59.2bn2025-04-01 → 2025-09-30Cons.Profit loss IFRS
Net income¥50.7bn2024-04-01 → 2024-09-30Cons.Profit loss IFRS
Total assets¥2.54Tat 2025-09-30Cons.Assets IFRS
Total assets¥2.42Tat 2025-03-31Cons.Assets IFRS
Total assets¥2.34Tat 2024-09-30Cons.Total assets IFRS (5-year summary)
Total liabilities¥1.43Tat 2025-09-30Cons.Liabilities IFRS
Total liabilities¥1.40Tat 2025-03-31Cons.Liabilities IFRS
Net assets / equity¥1.12Tat 2025-09-30Cons.Equity IFRS
Net assets / equity¥1.02Tat 2025-03-31Cons.Equity IFRS
Net assets / equity¥952.0bnat 2024-09-30Cons.Equity IFRS
Net assets / equity¥946.1bnat 2024-03-31vCons.Equity IFRS
Equity (owners)¥1.07Tat 2025-09-30Cons.Equity attributable to owners of parent IFRS
Equity (owners)¥980.5bnat 2025-03-31Cons.Equity attributable to owners of parent IFRS
Equity (owners)¥919.6bnat 2024-09-30Cons.Equity attributable to owners of parent IFRS (5-year summary)
Cash & equivalents¥125.6bnat 2025-09-30Cons.Cash and cash equivalents IFRS
Cash & equivalents¥144.5bnat 2025-03-31Cons.Cash and cash equivalents IFRS
Cash & equivalents¥135.1bnat 2024-09-30Cons.Cash and cash equivalents IFRS
Cash & equivalents¥126.1bnat 2024-03-31vCons.Cash and cash equivalents IFRS
Operating cash flow¥119.9bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in operating activities IFRS
Operating cash flow¥235.1bn2024-04-01 → 2025-03-31Cons.Cash flows from used in operating activities IFRS (5-year summary)
Operating cash flow¥119.4bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in operating activities IFRS
Investing cash flow−¥117.3bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in investing activities IFRS
Investing cash flow−¥142.9bn2024-04-01 → 2025-03-31Cons.Cash flows from used in investing activities IFRS (5-year summary)
Investing cash flow−¥87.2bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in investing activities IFRS
Financing cash flow−¥26.1bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in financing activities IFRS
Financing cash flow−¥73.3bn2024-04-01 → 2025-03-31Cons.Cash flows from used in financing activities IFRS (5-year summary)
Financing cash flow−¥21.4bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in financing activities IFRS
EPS (basic)¥132.672025-04-01 → 2025-09-30Cons.Basic earnings loss per share IFRS
EPS (basic)¥228.22024-04-01 → 2025-03-31Cons.Basic earnings loss per share IFRS (5-year summary)
EPS (basic)¥113.652024-04-01 → 2024-09-30Cons.Basic earnings loss per share IFRS
Equity ratio42.2%at 2025-09-30Cons.Ratio of owners equity to gross assets IFRS (5-year summary)
Equity ratio40.5%at 2025-03-31Cons.Ratio of owners equity to gross assets IFRS (5-year summary)
Equity ratio39.2%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 · 56
SegmentItemPeriodValue
Reconciling Itemsreconcilingrevenue2025-04-01 → 2025-09-30−¥23.5bn
Reconciling Itemsreconcilingrevenue external2025-04-01 → 2025-09-30¥18m
Reconciling Itemsreconcilingrevenue intersegment2025-04-01 → 2025-09-30−¥23.5bn
Reconciling Itemsreconcilingsegment profit2025-04-01 → 2025-09-30−¥440m
Asia And Oceaniareportable segmentrevenue2025-04-01 → 2025-09-30¥99.9bn
Asia And Oceaniareportable segmentrevenue external2025-04-01 → 2025-09-30¥98.5bn
Asia And Oceaniareportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥1.4bn
Asia And Oceaniareportable segmentsegment profit2025-04-01 → 2025-09-30¥9.0bn
Europereportable segmentrevenue2025-04-01 → 2025-09-30¥168.2bn
Europereportable segmentrevenue external2025-04-01 → 2025-09-30¥167.9bn
Europereportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥214m
Europereportable segmentsegment profit2025-04-01 → 2025-09-30¥32.7bn
Japanreportable segmentrevenue2025-04-01 → 2025-09-30¥205.2bn
Japanreportable segmentrevenue external2025-04-01 → 2025-09-30¥194.7bn
Japanreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥10.5bn
Japanreportable segmentsegment profit2025-04-01 → 2025-09-30¥26.4bn
Thermosreportable segmentrevenue2025-04-01 → 2025-09-30¥17.1bn
Thermosreportable segmentrevenue external2025-04-01 → 2025-09-30¥17.1bn
Thermosreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥6m
Thermosreportable segmentsegment profit2025-04-01 → 2025-09-30¥3.5bn
United Statesreportable segmentrevenue2025-04-01 → 2025-09-30¥184.0bn
United Statesreportable segmentrevenue external2025-04-01 → 2025-09-30¥172.6bn
United Statesreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥11.4bn
United Statesreportable segmentsegment profit2025-04-01 → 2025-09-30¥23.1bn
—segment totalrevenue2025-04-01 → 2025-09-30¥674.3bn
—segment totalrevenue external2025-04-01 → 2025-09-30¥650.8bn
—segment totalrevenue intersegment2025-04-01 → 2025-09-30¥23.5bn
—segment totalsegment profit2025-04-01 → 2025-09-30¥94.7bn
Reconciling Itemsreconcilingrevenue2024-04-01 → 2024-09-30−¥24.4bn
Reconciling Itemsreconcilingrevenue external2024-04-01 → 2024-09-30¥46m
Reconciling Itemsreconcilingrevenue intersegment2024-04-01 → 2024-09-30−¥24.5bn
Reconciling Itemsreconcilingsegment profit2024-04-01 → 2024-09-30−¥482m
Asia And Oceaniareportable segmentrevenue2024-04-01 → 2024-09-30¥88.3bn
Asia And Oceaniareportable segmentrevenue external2024-04-01 → 2024-09-30¥86.6bn
Asia And Oceaniareportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥1.7bn
Asia And Oceaniareportable segmentsegment profit2024-04-01 → 2024-09-30¥8.8bn
Europereportable segmentrevenue2024-04-01 → 2024-09-30¥165.7bn
Europereportable segmentrevenue external2024-04-01 → 2024-09-30¥165.5bn
Europereportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥186m
Europereportable segmentsegment profit2024-04-01 → 2024-09-30¥31.9bn
Japanreportable segmentrevenue2024-04-01 → 2024-09-30¥203.3bn
Japanreportable segmentrevenue external2024-04-01 → 2024-09-30¥194.9bn
Japanreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥8.4bn
Japanreportable segmentsegment profit2024-04-01 → 2024-09-30¥22.0bn
Thermosreportable segmentrevenue2024-04-01 → 2024-09-30¥16.4bn
Thermosreportable segmentrevenue external2024-04-01 → 2024-09-30¥16.4bn
Thermosreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥6m
Thermosreportable segmentsegment profit2024-04-01 → 2024-09-30¥2.7bn
United Statesreportable segmentrevenue2024-04-01 → 2024-09-30¥193.7bn
United Statesreportable segmentrevenue external2024-04-01 → 2024-09-30¥179.6bn
United Statesreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥14.2bn
United Statesreportable segmentsegment profit2024-04-01 → 2024-09-30¥28.6bn
—segment totalrevenue2024-04-01 → 2024-09-30¥667.5bn
—segment totalrevenue external2024-04-01 → 2024-09-30¥643.0bn
—segment totalrevenue intersegment2024-04-01 → 2024-09-30¥24.5bn
—segment totalsegment profit2024-04-01 → 2024-09-30¥94.0bn

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

All source rows · 876
ItemContextValueUnit
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)三菱ケミカルグループ株式会社
Address major shareholdersInterimInstant_No1MajorShareholdersMember
Original text (Japanese)東京都千代田区丸の内1-1-1
Name major shareholdersInterimInstant_No2MajorShareholdersMember
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_No2MajorShareholdersMember
Original text (Japanese)東京都港区赤坂1-8-1赤坂インターシティAIR
Name major shareholdersInterimInstant_No3MajorShareholdersMember
Original text (Japanese)大陽日酸取引先持株会
Address major shareholdersInterimInstant_No3MajorShareholdersMember
Original text (Japanese)東京都品川区小山1-3-26
Name major shareholdersInterimInstant_No4MajorShareholdersMember
Original text (Japanese)株式会社日本カストディ銀行(信託口)
Address major shareholdersInterimInstant_No4MajorShareholdersMember
Original text (Japanese)東京都中央区晴海1-8-12
Name major shareholdersInterimInstant_No5MajorShareholdersMember
Original text (Japanese)明治安田生命保険相互会社
Address major shareholdersInterimInstant_No5MajorShareholdersMember
Original text (Japanese)東京都千代田区丸の内2-1-1
Name major shareholdersInterimInstant_No6MajorShareholdersMember
Original text (Japanese)JP MORGAN CHASE BANK 385864(常任代理人 株式会社みずほ銀行決済営業部)
Address major shareholdersInterimInstant_No6MajorShareholdersMemberText · Plus
Name major shareholdersInterimInstant_No7MajorShareholdersMember
Original text (Japanese)JP MORGAN CHASE BANK 385632(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)BNYM AS AGT/CLTS NON TREATY JASDEC(常任代理人 株式会社三菱UFJ銀行)
Address major shareholdersInterimInstant_No8MajorShareholdersMemberText · Plus
Name major shareholdersInterimInstant_No9MajorShareholdersMember
Original text (Japanese)株式会社みずほ銀行
Address major shareholdersInterimInstant_No9MajorShareholdersMember
Original text (Japanese)東京都千代田区大手町1-5-5
Name major shareholdersInterimInstant_No10MajorShareholdersMemberText · Plus
Address major shareholdersInterimInstant_No10MajorShareholdersMemberText · Plus
Issued shares voting rights (text)FilingDateInstantText · Plus
Description issued shares voting rightsInterimInstant_SharesWithNoVotingRightsMember-
Description issued shares voting rightsInterimInstant_SharesWithRestrictedVotingRightsTreasurySharesEtcMember-
Description issued shares voting rightsInterimInstant_SharesWithRestrictedVotingRightsOtherMember-
Description issued shares voting rightsInterimInstant_SharesWithFullVotingRightsTreasurySharesEtcMember
Original text (Japanese)単元株式数は100株であります。
Description issued shares voting rightsInterimInstant_SharesWithFullVotingRightsOtherMember
Original text (Japanese)同上
Description issued shares voting rightsInterimInstant_SharesLessThanOneUnitMember
Original text (Japanese)1単元(100株)未満の株式
Treasury shares etc (text)FilingDateInstantText · Plus
Name of shareholder treasury shares etcInterimInstant_Row1Member
Original text (Japanese)日本酸素ホールディングス㈱
Address of shareholder treasury shares etcInterimInstant_Row1Member
Original text (Japanese)東京都品川区小山1-3-26
Name of shareholder treasury shares etcInterimInstant_Row2Member
Original text (Japanese)ニッキフッコー㈱
Address of shareholder treasury shares etcInterimInstant_Row2Member
Original text (Japanese)広島県呉市広白岳3-1-52
Name of shareholder treasury shares etcInterimInstant_Row3Member
Original text (Japanese)宮崎酸素㈱
Address of shareholder treasury shares etcInterimInstant_Row3Member
Original text (Japanese)宮崎県宮崎市祇園2-140-1
Name of shareholder treasury shares etcInterimInstant_Row4Member
Original text (Japanese)北関東日酸㈱
Address of shareholder treasury shares etcInterimInstant_Row4Member
Original text (Japanese)栃木県小山市大字横倉新田503
Name of shareholder treasury shares etcInterimInstant_Row5Member
Original text (Japanese)埼京日酸㈱
Address of shareholder treasury shares etcInterimInstant_Row5Member
Original text (Japanese)埼玉県川口市青木3-5-1
Name of shareholder treasury shares etcInterimInstant_Row6Member
Original text (Japanese)岡安産業㈱
Address of shareholder treasury shares etcInterimInstant_Row6Member
Original text (Japanese)東京都江東区亀戸6-57-23
Name of shareholder treasury shares etcInterimInstant_Row7Member
Original text (Japanese)仙台日酸㈱
Address of shareholder treasury shares etcInterimInstant_Row7Member
Original text (Japanese)宮城県多賀城市宮内2-3-2
Name of shareholder treasury shares etcInterimInstant_Row8Member
Original text (Japanese)関東アセチレン工業㈱
Address of shareholder treasury shares etcInterimInstant_Row8Member
Original text (Japanese)群馬県渋川市中村1110
Name of shareholder treasury shares etcInterimInstant_Row9Member
Original text (Japanese)福西産業㈱

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 · 12 of 12 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 · 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