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Creating the Future of Energy Three Months Ended June 30 , 2026 ( FY2026 ) Result Briefing ( GSYUASA August 5 , 2026 GS Yuasa Corporation
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© 2026 GS Yuasa International Ltd. All Rights Reserved. Contents FY2026 First Quarter Financial Results １．Consolidated Financial Summary － Consolidated Results － Factors for Operating Income Change (Year-on-year comparison) － Factors of increase/decrease in non-operating income/loss, extraordinary income/loss, income taxes, etc. (Year-on-year comparison) ２．Segment Results － Mobility: Lead-acid Batteries (Japan) － Mobility: Lead-acid Batteries (Overseas) － Mobility: Lithium-ion Batteries － Public Infrastructure: Industrial Batteries and Power Supplies － Public Infrastructure: Aviation, Space and Defense ３．Balance Sheet 4 5 6 8 9 10 11 12 13 FY2026 Financial Forecast Financial Forecast 15
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© 2026 GS Yuasa International Ltd. All Rights Reserved. FY202 6 First Quarter Financial Results
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© 2026 GS Yuasa International Ltd. All Rights Reserved. 4 Consolidated Financial Summary -Consolidated Results- (Billion yen) FY2025 Apr. - Jun. FY2026 Apr. - Jun. Change (YoY%) [Reference] Forecast for FY2026 (Apr. - Mar.) Initial forecast as of May. 2026 Revised forecast as of Aug. 2026 1H (Apr. - Sep.) Full Year (Apr. - Mar.) 1H (Apr. - Sep.) Full Year (Apr. - Mar.) Net sales 131.9 141.7 +9.8 (+7.5%) 309.0 660.0 313.0 680.0 Gross profit 31.3 36.3 +5.0 - - - - Operating income (ratio) 8.3 6.3% 11.6 8.2% +3.3 +1.9P (+39.3%) 19.0 6.1% 60.0 9.1% 22.0 7.0% 63.0 9.3% Ordinary income 8.5 6.4% 12.1 8.5% +3.6 +2.1P (+42.8%) 16.0 5.2% 56.0 8.5% 21.0 6.7% 61.0 9.0% Profit before income taxes 10.0 12.0 +2.0 - - - - Profit (ratio) 6.5 5.0% 7.6 5.3% +1.1 +0.3P (+15.7%) 9.0 2.9% 36.0 5.5% 12.0 3.8% 39.5 5.8% EPS (Basic earnings per share) (¥/share) ¥65.11 ¥75.34 +¥10.23 ¥89.72 ¥358.88 ¥119.62 ¥393.74 Cash Flow Statements Depreciation 6.0 6.7 +0.7 Market Informatio n / Prerequisit es Domestic lead price quote ¥346,400 /t ¥380,100 /t ＋¥33,700 /t ¥380,000 /t ¥380,000 /t ¥380,000 /t ¥380,000 /t LME 1,947 US$/t 1,955 US$/t ＋8 US$/t 2,100 US$/t 2,100 US$/t 2,000 US$/t 2,000 US$/t Exchange rate ¥143.75 /US$ ¥160.72 /US$ ＋¥16.97 /US$ ¥150.00 /US$ ¥150.00 円/US$ ¥160.00 /US$ ¥160.00 円/US$ Record Record Record Record 1 ➢ In the first quarter, net sales and profits at all levels reached record highs. ➢ While the Industrial Batteries and Power Supplies segment recorded lower sales and profit, Automotive Batteries (Japan and Overseas) and Lithium-Ion Batteries segments achieved higher sales and profit. ➢ LME prices remained largely flat, while domestic lead prices increased significantly due to the depreciation of the Japanese yen. In addition, prices of certain other raw materials rose sharply. ➢ The yen continued to weaken year-on-year Performance Trends
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© 2026 GS Yuasa International Ltd. All Rights Reserved. 5 Consolidated Financial Summary -Factors for Operating Income Change- (Year on Year Comparison) 1 8.3 +1.5 +5.1 -1.8 -3.4 +1.0 -0.2 +0.9 11.6 FY2025 Apr. - Jun. FY2026 Apr. - Jun. (Billion yen) Others ExchangeQuantity, composition change Raw material price Expenses, etc. Impact of the Transfer of the Turkish Business Sales price +3.3 bn yen
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© 2026 GS Yuasa International Ltd. All Rights Reserved. 6 Consolidated Financial Results Summary Factors Affecting Changes in Non-Operating Income and Expenses (Year on Year Comparison) FY2025 Apr. - Jun. FY2026 Apr. - Jun. Change Operating income 8.3 11.6 +3.3 Non-operating income 2.1 1.9 -0.2 Non-operation loss 1.9 1.4 -0.5 Ordinary income 8.5 12.1 +3.6 Extraordinary income 1.8 0.0 -1.8 Extraordinary loss 0.3 0.1 -0.2 Net income before income taxes 10.0 12.0 +2.0 Income taxes 2.4 2.2 -0.2 Profit attributable to non-controlling interests 1.1 2.2 +1.1 Profit attributable to owners of parent 6.5 7.6 +1.1 (Billion yen) Major subjects (Amounts in parentheses are factors for changes) ➢ Equity in earnings of affiliates 0.5 billion yen ( Increase in equity in earnings of affiliates +0.1 billion yen ) ➢ Gain on net monetary assets - billion yen ( Impact of the Transfer of the Turkish Business - 0.4 billion yen ) ➢ Foreign exchange losses 0.1 billion yen ( Mainly reflecting foreign exchange gains/losses at European subsidiaries - 0.3 billion yen ) ➢ Interest expenses 0.4 billion yen ( Decrease in interest expenses primarily in Turkey site - 1.0 billion yen ) 1
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© 2026 GS Yuasa International Ltd. All Rights Reserved. 7 Segment Results ➢ ＜Lead-acid Batteries(Japan) ＞Net sales and profit increased due to a significant increase in replacement battery sales volume, despite only a slight year-on-year increase in new automobile sales. ➢ ＜Lead-acid Batteries(Overseas) ＞ Net sales and profit increased due to significant volume growth, particularly in Europe and Southeast Asia, as well as favorable foreign exchange effects. ➢ ＜Lithium-ion Batteries＞ Net sales and profit increased due to higher volumes for Toyota and other customers, despite rising material costs resulting from tensions in the Middle East. ➢ ＜Industrial Batteries and Power Supplies ＞ Net sales and profit decreased due to the absence of a large project recorded in emergency field (Japan) in the previous year, while regular field and emergency field (overseas) remained solid. ➢ ＜Aviation, Space and Defense ＞ Net Sales increased due to expanding demand for thermal batteries, while profit decreased due to a revision in the contract price for lithium-ion batteries for submarines. FY2026 Result (Apr. - Jun.) 2 MobilityPublic Infrastructure (billion yen) FY2025 Apr. - Jun. FY2026 Apr. - Jun. Change [Reference] Forecast for FY2026 Full year (Apr. - Mar.) Initial forecast as of May. 2026 Revised forecast as of Aug. 2026 Net sales Operating income (Op. income ratio: %) Net sales Operating income (Op. income ratio: %) Net sales Operating income (Op. income ratio: p) Net sales Operating income (Op. income ratio: %) Net sales Operating income (Op. income ratio: %) Lead-acid Batteries(Japan) 22.4 1.7 (7.5) 24.5 2.4 (9.9) +2.1 +0.7 (+2.4) 113.0 11.5 (10.2) 117.0 12.0 (10.3) Lead-acid Batteries(Overseas) 51.4 3.8 (7.5) 57.8 7.2 (12.5) +6.4 +3.4 (+5.0) 224.0 23.0 (10.3) 240.0 26.5 (11.0) Lithium-ion Batteries 19.4 -0.0 (-0.2) 21.5 0.8 (3.7) +2.1 +0.8 (+3.9) 107.0 5.0 (4.7) 107.0 4.0 (3.7) Industrial Batteries and Power Supplies 33.2 2.5 (7.7) 32.2 1.0 (3.0) -1.0 -1.5 (-4.7) 190.0 19.5 (10.3) 190.0 19.5 (10.3) Aviation, Space and Defense 4.8 0.8 (15.6) 5.0 0.6 (12.6) +0.2 -0.2 (-3.0) 23.0 2.5 (10.9) 23.0 2.5 (10.9) Others 0.6 -0.5 0.7 -0.5 +0.1 -0.0 3.0 -1.5 3.0 -1.5 Total 131.9 8.3 (6.3) 141.7 11.6 (8.2) +9.8 +3.3 (+1.9) 660.0 60.0 (9.1) 680.0 63.0 (9.3) Notes: Beginning in FY2026, the industrial Batteries and Power Supplies (overseas) business previously included in the Lead -acid Battery (Overseas) segment has been reclassified to the Industrial Batteries and Power Supplies segment. FY2025 net sales and operating profit (margin) have been restated based on the revised reporting segments.
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© 2026 GS Yuasa International Ltd. All Rights Reserved. 8 FY2026 1Q Sales Overview (YoY : Apr. - Jun.) Sales and profit increased ➢[For new automobiles] Net sales increased due to slightly higher sales volume, as well as lead price pass-throughs. ➢[For replacement] Net sales increased due to an increase in sales volume and the improvement in product mix driven by an increase in high value-added product Profit Change Factors (YoY : Apr. - Jun.) Quantity, composition change +0.6 Increase in volume of replacement batteries Sales price +1.2 Increase due to selling price revision and lead price pass-through Raw material price -0.7 Impact of rising prices of raw materials such as domestic lead Expenses, etc. -0.4 Net Sales, Operating income, Op. income ratio (Apr. - Jun.) (Billion yen) FY2026FY2025 Segment Results Mobility: Lead-acid Batteries (Japan) 22.4 47.1 78.0 108.0 24.5 117.0 1.7 3.7 7.8 11.6 2.4 12.0 7.5% 7.8% 10.1% 10.7% 9.9% 10.3% 1Q 1-2Q 1-3Q 1-4Q 1Q 1-4Q Net sales Operating income Op. income ratio Op. income ratio 2
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© 2026 GS Yuasa International Ltd. All Rights Reserved. Net Sales, Operating income, Op. income ratio (Apr. - Jun.) FY2026 1Q Sales Overview (YoY : Apr. - Jun.) ➢ [Southeast Asia] Mainly in Thailand, Myanmar and Vietnam, sales volume for replacement batteries for both automobiles and motorcycles remained firm ➢ [Europe] Sales volume increased for both automobiles and motorcycles. ➢ [Australia] Sales volume remained steady under the “Made in Australia” strategy Profit Change Factors (YoY : Apr. - Jun.) Quantity, composition change +1.5 Increase in sales volume, mainly in Southeast Asia Sales price +0.7 Increase due to the reflection of rising costs in selling prices Raw material price -0.2 Rising raw material prices Expenses, etc. -0.3 Increase in expenses due to inflation Exchange +0.8 The impact of of the transfer of the Turkish base +0.9 Sales and profit increased (Billion yen) 9 FY2026FY2025 51.4 106.8 170.9 233.2 57.8 240.0 3.8 8.2 14.6 22.5 7.2 26.5 7.5% 7.7% 8.6% 9.6% 12.5% 11.0% 1Q 1-2Q 1-3Q 1-4Q 1Q 1-4Q <Exchange rate impact (YoY) > +6.3 billion yen <The impact of the transfer of the Turkish base> -3.8 billion yen Segment Results Mobility: Lead-acid Batteries (Overseas)2 Notes: Beginning in FY2026, the industrial Batteries and Power Supplies (overseas) business previously included in the Lead-acid Battery (Overseas) segment has been reclassified to the Industrial Batteries and Power Supplies segment. FY2025 net sales and operating profit (margin) have been restated based on the revised reporting segments. FY2025 net sales and operating profit (margin) have been restated based on the revised reporting segments. Figures for FY2025 2Q, 3Q, and 4Q are estimates. Net sales Operating income Op. income ratio Op. income ratio
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© 2026 GS Yuasa International Ltd. All Rights Reserved. 10 Net Sales, Operating income, Op. income ratio (Apr. - Jun.) FY2026 1Q Sales Overview (YoY : Apr. - Jun.) ➢[For HEVs] Net sales increased due to the significant increase in sales volume to Toyota ➢[For PHEVs] Net sales decreased due to the decrease in volume for Mitsubishi Motors Corporation ➢[12V Lithium-ion batteries] Net sales increased due to higher sales volume Profit Change Factors (YoY : Apr. -Jun.) Quantity, composition change -0.3 Decrease due to a change in the HEV model mix. Sales price +2.8 Increase due to selling price revision implemented in the second half of the previous fiscal year Raw material price -0.6 Decrease due to rising prices of certain raw materials Expenses, etc. -1.2 Increase in depreciation due to the launch of a new production line Sales and profit increased (Billion yen) FY2026FY2025 19.4 40.4 61.6 89.9 21.5 107.0 - 0.0 0.8 2.7 4.9 0.8 4.0 - 0.2% 2.1% 4.4% 5.5% 3.7% 3.7% 1Q 1-2Q 1-3Q 1-4Q 1Q 1-4Q Segment Results Mobility: Lithium-ion Batteries-2 Net sales Operating income Op. income ratio Op. income ratio
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© 2026 GS Yuasa International Ltd. All Rights Reserved. 11 Net Sales, Operating income, Op. income ratio (Apr. - Jun.) FY2026 1Q Sales Overview (YoY : Apr. - Jun.) ➢ [Regular field (Japan) ] Net sales significantly increased, mainly due to projects postponed to this term in addition to a rise in new projects ➢ [Emergency field (Japan) ] Net sales decreased due to the absence of large projects for telecommunications and convenience stores recorded in the previous year, despite continued firm demand from nuclear power plants and data centers. ➢ [Emergency field (Overseas) ] Net sales increased due to a new AI data center project in North America ➢ [For forklifts (Global) ] Net sales remained flat due to the selling price revision, although sales volume decreased Profit Change Factors (YoY : Apr. - Jun.) Quantity, composition change -0.6 Decrease due to the absence of a large project in the emergency field (Japan) in the previous year Sales price +0.5 A large project with a low profit margin last year Raw material price -0.2 Despite lower domestic lead prices, rising costs of certain raw materials Expenses, etc. -1.4 Increase in R&D expenses and labor costs Exchange +0.1 Sales and profit decreased (Billion yen) FY2026FY2025 33.2 67.2 106.2 155.4 32.2 190.0 2.5 5.1 11.2 19.7 1.0 19.5 7.7% 7.6% 10.6% 12.7% 3.0% 10.3% 1Q 1-2Q 1-3Q 1-4Q 1Q 1-4Q Segment Results Public Infrastructure: Industrial Batteries and Power Supplies2 <Exchange rate impact (YoY) > +1.5 billion yen Net sales Operating income Op. income ratio Op. income ratio Notes: Beginning in FY2026, the industrial Batteries and Power Supplies (overseas) business previously included in the Lead-acid Battery (Overseas) segment has been reclassified to the Industrial Batteries and Power Supplies segment. FY2025 net sales and operating profit (margin) have been restated based on the revised reporting segments. FY2025 net sales and operating profit (margin) have been restated based on the revised reporting segments. Figures for FY2025 2Q, 3Q, and 4Q are estimates.
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© 2026 GS Yuasa International Ltd. All Rights Reserved. Segment Results Public Infrastructure: Aviation, Space and Defense 12 Net Sales, Operating income, Op. income ratio (Apr. - Jun.) FY2026 1Q Sales Overview (YoY : Apr. - Jun.) ➢[Lithium-ion batteries for submarines] Net sales decreased due to the revision of contract unit prices driven by lower raw material prices ➢[Thermal batteries] Net sales increased due to expanding demand for defense ➢[Lithium-ion batteries for aircraft and space] Net sales for airlines (for replacement) increased Sales increased, profit decreased (Billion yen) FY2026FY2025 4.8 9.2 14.2 19.6 5.0 23.0 0.8 1.3 2.0 2.7 0.6 2.5 15.6% 14.3% 14.4% 13.6% 12.6% 10.9% 1Q 1-2Q 1-3Q 1-4Q 1Q 1-4Q 2 Profit Change Factors (YoY : Apr. -Jun.) Quantity, composition change +0.2 Expanding demand for thermal batteries Sales price -0.2 Decrease due to the revision of contract unit prices Raw material price -0.1 Expenses, etc. -0.1 Net sales Operating income Op. income ratio Op. income ratio
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© 2026 GS Yuasa International Ltd. All Rights Reserved. Balance Sheet 171.0 2.4 439.5 268.6 108.5 308.3 202.4Current assets Property, plant, and equipment Intangible assets Investments and other assets Current liabilities Net assets (-4.9) (+13.6) (+18.7) (-4.6)(-2.1) (+2.8) Long-term liabilities (-4.7) 750.4 (+9.4) (Billion yen) Total assets ・ Cash and deposits +1.1 ・ Notes and accounts receivable - 23.6 ・ Inventories +11.5 ・ Others +5.8 ・ Buildings and structures, net - 3.4 ・ Machinery, equipment and vehicles, net - 6.9 ・ Land - 7.3 ・ Right - of - use assets - 0.4 ・ Construction in progress +31.8 ・ Investment securities +1 .8 ・ Retirement benefit asset +0.3 ・ Lease receivables +0.4 ・ Trade payables (including equipment) - 3 .4 ・ Short - term borrowings - 13.0 ・ C ommercial papers. +50.0 ・ Accounts payable - 10.9 ・ Others - 0.6 ・ Retained earnings +1.5 ・ Valuation difference on available - for - sale securities + 3.0 ・ Foreign currency translation adjustments - 4 .7 ・ Remeasurements of defined benefit plans - 0.8 ・ Non - controlling interests - 3.8 ・ Long - term borrowings - 0.6 ・ Lease liabilities - 3.6 3/31/2026 6/30/2026 Equity ratio 53.3% 52.5% Total borrowings ¥87.8bn ¥124.3bn 13 ➢ Cash and deposits remained flat despite the collection of receivables, reflecting ESS-related investments and dividend payments. ➢ Inventories increased mainly in Industrial Batteries and Power Supplies and Lithium-ion Batteries ➢ Property, plant and equipment increased due to ESS-related investments Points Note: As of June 30, 2026 Comparisons with figures as of March 31, 2026 3
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© 2026 GS Yuasa International Ltd. All Rights Reserved. FY2026 Financial Forecast
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© 2026 GS Yuasa International Ltd. All Rights Reserved. Financial Forecast 15 1 (billion yen) FY2025 Actual FY2026 Forecast Charge ((A)-(B)) (YoY%)1Q (Apr. - Jun.) Full Year (Apr. - Mar.) 1Q (Apr. - Jun.) Initial forecast (Apr. - Mar.)(B) Revised forecast (Apr. - Mar.)(A) Net Sales 131.9 609.0 141.7 660.0 680.0 +20.0 (+11.7%) Operating income (ratio) 8.3 6.3% 60.2 9.9% 11.6 8.2% 60.0 9.1% 63.0 9.3% +3.0 +0.2P (+3.0%) Ordinary income 8.5 6.4% 58.2 9.6% 12.1 8.5% 56.0 8.5% 61.0 9.0% +5.0 +0.5P (+3.0%) Profit (ratio) 6.5 5.0% 41.9 6.9% 7.6 5.3% 36.0 5.5% 39.5 5.8% +3.5 +0.3P (+7.3%) EPS (Basic earnings per share) (¥/share) ¥65.11 ¥417.33 ¥75.34 ¥358.88 ¥393.74 +¥34.86 Annual dividend (¥/share) - ¥90 - ¥98 ¥98 - Market Information / Prerequisites Domestic lead price quote ¥346,400 /t ¥360,100 /t ¥380,100 /t ¥380,000 /t ¥380,000 /t - LME 1,947 US$/t 1,953 US$/t 1,955 US$/t 2,100 US$/t 2,000 US$/t -100 US$/t Exchange rate ¥143.75 /US$ ¥151.09 /US$ ¥160.72 /US$ ¥150.00 /US$ ¥160.00 /US$ +¥10.00 /US$ ➢Although business conditions varied by segment, both Lead-acid Batteries (Japan) and Lead-acid Batteries (Overseas) continued to perform more strongly than expected. As a result, we revised upward our full-year forecasts for net sales and profit at all levels. Revision of Earnings Forecasts
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© 2026 GS Yuasa International Ltd. All Rights Reserved. Financial Forecast 16 1 (billion yen) FY2025 Actual FY2026 Initial forecast FY2026 Revised forecast Charge ((A)-(B)) Net sales Operating income (Op. income ratio: %) Net sales Operating income (Op. income ratio: %) Net sales Operating income (Op. income ratio: %) Net sales Operating income (Op. income ratio: P) Lead-acid Batteries(Japan) 108.0 11.6 (10.7) 113.0 11.5 (10.2) 117.0 12.0 (10.3) ＋＋ +4.0 +0.5 (+0.1) Lead-acid Batteries(Overseas) 233.2 22.5 (9.6) 224.0 23.0 (10.3) 240.0 26.5 (11.0) +16.0 +3.5 (+0.7) Lithium-ion Batteries 89.9 4.9 (5.5) 107.0 5.0 (4.7) 107.0 4.0 (3.7) - -1.0 (-1.0) Industrial Batteries and Power Supplies 155.4 19.7 (12.7) 190.0 19.5 (10.3) 190.0 19.5 (10.3) - - ( - ) Aviation, Space and Defense 19.6 2.7 (13.6) 23.0 2.5 (10.9) 23.0 2.5 (10.9) - - ( - ) Others 2.9 -1.2 3.0 -1.5 3.0 -1.5 - - Total 609.0 60.2 (9.9) 660.0 60.0 (9.1) 680.0 63.0 (9.3) +20.0 +3.0 (+0.2) ➢ ＜Lead-acid Batteries(Japan) ＞ Net sales and profit revised upward, supported by strong replacement demand despite concerns over higher raw material costs, including resin and tin, from 2Q onward. ➢ ＜Lead-acid Batteries(Overseas)＞Net sales and profit revised upward, reflecting strong 1Q results driven by favorable exchange rates and solid underlying demand. ➢ ＜Lithium-ion Batteries＞Profit revised downward due to production adjustments resulting from component procurement risks associated with the situation in the Middle East and rising raw material prices. Reasons for Revision by Segment MobilityPublic Infrastructure
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© 2026 GS Yuasa International Ltd. All Rights Reserved. 17 Although this document has been prepared with information believed to be correct, GS Yuasa Corporation does not guarantee the accuracy or the completeness of such information. Also, the information herein contains forward-looking statements regarding the Company’s plans, outlooks, strategies and results for the future. All the forward-looking statements are based on judgments derived from information available to the Company at the time of release. Certain risks and uncertainties could cause the Company’s actual results to differ materially from any projections presented herein.
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© 2026 GS Yuasa International Ltd. All Rights Reserved. Reference
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© 2026 GS Yuasa International Ltd. All Rights Reserved. 320.0 340.0 360.0 380.0 400.0 420.0 440.0 1,700 1,800 1,900 2,000 2,100 2,200 2,300 2,400 2,500 2025/04 2025/07 2025/10 2026/01 2026/04 19 Reference. Changes in Raw Material Prices Recent quotes (as of July 28, 2026) LME $1,856 Domestic lead prices ¥372,000 LME Domestic basis of lead price LME (US＄/t) Domestic basis of lead prices (thousand yen/t) $1,947 $1,965 $1,971 $1,931 $1,955 ¥ 346,400 ¥ 355,600 ¥ 369,000 ¥ 369,600 ¥ 380,100
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© 2026 GS Yuasa International Ltd. All Rights Reserved. 120.00 140.00 160.00 180.00 200.00 220.00 240.00 260.00 2025/04 2025/07 2025/10 2026/01 2026/04 ¥ 215.23/ ￡ 20 Reference. Changes in Exchange Rate Recent quote (as of July 28, 2026) ¥217.73/US$ ¥186.26/EUR ¥163.82/￡ GBP￡ ・ EUR・ US ＄ US Dollar (JPY¥/US$) Euro (JPY¥/EUR)British Pond (JPY¥/GBP￡) ¥ 194.59/ ￡ ¥ 198.75/ ￡ ¥ 211.00/ ￡ ¥ 143.75/US$ ¥ 148.40/US$ ¥ 155.76/US$ ¥ 165.13/EUR ¥ 172.23/EUR ¥ 181.41/EUR ¥ 207.18/ ￡ ¥ 156.45/US$ ¥ 183.53/EUR ¥ 186.13/EUR ¥ 160.72/US$
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© 2026 GS Yuasa International Ltd. All Rights Reserved. 21 Reference. Quarterly Results by Segment (Billion yen) FY2025 FY2026 1Q (Apr. - Jun.) 2Q (Jul. - Sep.) 3Q (Oct. - Dec.) 4Q (Jan. - Mar.) Full (Apr. - Mar.) 1Q (Apr. - Jun.) 2Q (Jul. - Sep.) 3Q (Oct. - Dec.) 4Q (Jan. - Mar.) Full (Apr. - Mar.) Net sales Operatin g income (Op. income ratio: %) Net sales Operatin g income (Op. income ratio: %) Net sales Operatin g income (Op. income ratio: %) Net sales Operatin g income (Op. income ratio: %) Net sales Operatin g income (Op. income ratio: %) EBITDA (EBITDA Margin:%) Net sales Operatin g income (Op. income ratio: %) Net sales Operatin g income (Op. income ratio: %) Net sales Operatin g income (Op. income ratio: %) Net sales Operatin g income (Op. income ratio: %) Net sales Operatin g income (Op. income ratio: %) EBITDA (EBITDA Margin:%) Lead-acid Batteries(Japan) 22.4 1.7 (7.5) 24.7 2.0 (8.0) 30.9 4.2 (13.5) 30.0 3.7 (12.4) 108.0 11.6 (10.7) 24.5 2.4 (9.9) - - - - - - 117.0 12.0 (10.3) - Lead-acid Batteries(Overse as) 51.4 3.8 (7.5) 55.4 4.3 (7.8) 64.1 6.5 (10.1) 62.3 7.8 (12.5) 233.2 22.5 (9.6) 57.8 7.2 (12.5) - - - - - - 240.0 26.5 (11.0) - Lithium-ion Batteries 19.4 -0.0 (-0.2) 21.1 0.9 (4.1) 21.2 1.8 (8.7) 28.3 2.2 (7.9) 89.9 4.9 (5.5) 21.5 0.8 (3.7) - - - - - - 107.0 4.0 (3.7) - Industrial Batteries and Power Supplies 33.2 2.5 (7.7) 33.9 2.6 (7.5) 39.0 6.1 (15.6) 49.2 8.5 (17.3) 155.4 19.7 (12.7) 32.2 1.0 (3.0) - - - - - - 190.0 19.5 (10.3) - Aviation, Space and Defense 4.8 0.8 (15.6) 4.4 0.6 (12.8) 5.0 0.7 (14.5) 5.4 0.6 (11.6) 19.6 2.7 (13.6) 5.0 0.6 (12.6) - - - - - - 23.0 2.5 (10.9) - Others 0.6 -0.5 0.7 0.1 0.7 -0.1 0.8 -0.7 2.9 -1.2 7.0 -0.5 - - - - - - 3.0 -1.5 - Total 131.9 8.3 (6.3) 140.3 10.4 (7.4) 160.8 19.2 (12.0) 176.0 22.2 (12.6) 609.0 60.2 (9.9) 86.8 (14.3) 141.7 11.6 (8.2) - - - - - - 680.0 63.0 (9.3) 88.0 (12.9) MobilityPublic Infrastructure Notes: Beginning in FY2026, the industrial Batteries and Power Supplies (overseas) business previously included in the Lead-acid Battery (Overseas) segment has been reclassified to the Industrial Batteries and Power Supplies segment. FY2025 net sales and operating profit (margin) have been restated based on the revised reporting segments. FY2025 net sales and operating profit (margin) have been restated based on the revised reporting segments. Figures for FY2025 2Q, 3Q, and 4Q are estimates.
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© 2026 GS Yuasa International Ltd. All Rights Reserved. 22 Reference. Net Sales, Operating Income, Op. Income Ratio FY2024 127.6 264.5 426.8 580.3 131.9 272.2 433.0 609.0 141.7 680.0 6.2 15.7 31.8 50.0 8.3 18.7 38.0 60.2 11.6 63.0 4.8% 5.9% 7.4% 8.6% 6.3% 6.9% 8.8% 9.9% 8.2% 9.3% 1Q 1-2Q 1-3Q 1-4Q 1Q 1-2Q 1-3Q 1-4Q 1Q 1-4Q Op. income ratio FY2025 FY2026 Net sales Operating income Op. income ratio (Billion yen)
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© 2026 GS Yuasa International Ltd. All Rights Reserved. 23 Reference. Segment Name Change MobilityPublic Infrastructure Automotive Batteries Japan Overseas Industrial Batteries and Power Supplies Automotive Lithium-ion Batteries Specialized Batteries and Others Lead-acid Batteries(Japan) Lead-acid Batteries(Overseas) For overseas industrial use Industrial Batteries and Power Supplies Aviation, Space and Defense Administrative division expenses, etc. Automotive Batteries (Japan) Automotive Batteries (Overseas) Automotive Lithium-ion Batteries (HEV・PHEV・12V) Industrial Batteries and Power Supplies Aviation, Space and Defense Specialized Batteries and Others Lead-acid Batteries(Japan) Lead-acid Batteries(Overseas) Automotive Lithium- ion Batteries Aviation, Space and Defense For overseas industrial use For overseas industrial use Industrial Batteries and Power Supplies Lithium-ion Batteries Administrative division expenses, etc. Details of segment changes for the FY2025 full-year financial results and the 7th Medium-Term Management Plan MobilityPublic Infrastructure For overseas industrial use Administrative division expenses, etc. Lead-acid Batteries (Japan) Lead-acid Batteries(Overseas) Lithium-ion Batteries Industrial Batteries and Power Supplies Aviation, Space and Defense Others Lead storage batteries for Japan Lead storage batteries for overseas Automotive Lithium Aviation, Space and Defense Industrial Batteries and Power Supplies Designation from the Q1 financial results of the fiscal year ending March 31, 2027 (FY2026) *This is a change of name only; there is no impact on business performance.
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© 2026 GS Yuasa International Ltd. All Rights Reserved. 24 Date Name of Events Speaker November 6, 2026 15:00 Results announcement for the Six Months ended September 30, 2026 (For media organizations) President and Representative Director Takashi Abe Director and CEO Hiroaki Matsushima November 6, 2026 16:00 - 17:00 Results briefing for the Six Months ended September 30, 2026 (For institutional investors and analysts) President and Representative Director Takashi Abe Director and CEO Hiroaki Matsushima Reference. Upcoming IR Events