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Copyright © SEIREN CO., LTD. SEIREN CO.,LTD. August 3, 2026 Financial Results Presentation FY2026 First Quarter (Year Ending March 2027) 2Qは Financial Results Presentation FY2026 First Half (Year Ending March 2027) 3Qは Financial Results Presentation FY2026 Third Quarter (Year Ending March 2027)
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Copyright © SEIREN CO., LTD. 2 FY2026 First Quarter Financial Results Summary FY2026 First Quarter Results Automotive Interior Business, Electronics Business, and Environmental & Life materials Business drove performance, with both net sales and profits reaching record highs for a first quarter. ⇒ “Six consecutive years of first-quarter sales and profit growth” ⇒ “Six consecutive years of record-high first-quarter profits (ordinary profit and net profit)” [Automotive Interior ] Record-high sales and profits, driven by expanded domestic sales of car seat materials and airbags for new vehicle models, as well as solid performance in China and Thailand. [Electronics] Record-high sales and profits, supported by growth in mobile device-related products, a solid space systems business, and increased demand for materials used in data center and semiconductor-related products. [Environmental & Life materials] Record-high sales and profits, driven by strong sales of housing-related materials and contributions from NB SEIREN. FY2026 Full-Year Forecast Full-Year Forecast Revised Upward Based on Strong First-Quarter Results “Six consecutive fiscal years of increased sales and profits” “Six consecutive fiscal years of record-high operating profit, ordinary profit, and net profit” Although uncertainties remain regarding U.S. trade policy, geopolitical risks including the situation in the Middle East, and foreign exchange fluctuations, we expect performance to progress in line with plan going forward, particularly in the Automotive Interior business and Electronics business.
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Copyright © SEIREN CO., LTD. 3 Presentation Content 1. FY2026 First Quarter Consolidated Results 2. FY2026 Full-Year Consolidated Forecast
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Copyright © SEIREN CO., LTD. 4 1. FY2026 First Quarter Consolidated Results
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Copyright © SEIREN CO., LTD. 5 FY2026 First Quarter Consolidated Results Overview (million yen) Record-High First-Quarter Net Sales, Operating Profit, Ordinary Profit and Net Profit FY2026 Q1 FY2025 Q1 Change Results Results Amount % Net Sales 49,145 40,625 +8,519 +21.0% Operating profit 6,667 5,399 +1,267 +23.5% Operating profit margin 13.6% 13.3% Ordinary profit 7,096 5,705 +1,390 +24.4% Profit attributable to owners of parent (quarterly) 4,656 4,088 +568 +13.9% Depreciation and amortization 1,646 1,459 +186 +12.8% Capital expenditures 2,789 1,241 +1,547 +124.6% ★ ★ ★ ★ ★New record-high ■Domestic 1,980 522 ■Overseas 808 (29%) 718 (58%) *Capital expenditures: cash flow basis[Capital Expenditures Breakdown] FY2026 Q1 FY2025 Q1
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Copyright © SEIREN CO., LTD. 6 Breakdown of the Consolidated Results Performance by Segment (million yen) Sales Operating profit FY2026 Q1 FY2025 Q1 Change FY2026 Q1 FY2025 Q1 Change Results Results Amount % Results Results Amount % Automotive Interior 30,426 27,650 +2,775 +10.0% 4,507 4,167 +340 +8.2% High-fashion 5,223 5,423 -200 -3.7% 469 437 +32 +7.4% Electronics 3,719 3,201 +517 +16.2% 1,007 629 +377 +60.0% Environmental & Life materials 5,993 2,418 +3,575 2.5x 519 224 +295 2.3x Medical 2,077 1,731 +345 +20.0% 293 235 +57 +24.6% Others 1,705 199 +1,505 8.5x 215 145 +70 +48.6% Consolidated adjustment -347 -440 +93 - Consolidated Total 49,145 40,625 +8,519 +21.0% 6,667 5,399 +1,267 +23.5% Performance was driven by Automotive Interior, Electronics, and Environment & Life materials businesses.
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Copyright © SEIREN CO., LTD. 7 Features of FY2026 First Quarter Financial Results Major Factors Behind Profit Changes (YoY) ・(Operating profit) Automotive Interior: +340 million yen High-fashion: +32 million yen Electronics: +377 million yen Environment / Living materials: +295 million yen Medical: +57 million yen Other materials / Consolidated adjustment: +163 million yen (Operating profit) +1.27 billion yen ・(Non-operating) Non-operating profit and loss (YoY): +123 million yen (Ordinary profit) +1.39 billion yen Loss on valuation of securities : +130 YoY (Current Q1: none / Previous Q1: -130) Financial income/loss: +72 YoY (Current Q1: 453 / Previous Q1: 380) Foreign exchange gains/losses: -157 YoY (Current Q1: -209 / Previous Q1: -51) ・(Extraordinary profit or loss) Extraordinary profit or loss (YoY): +19 million yen ・Income taxes and others (YoY): -842 million yen No significant extraordinary gains or losses (Net profit) + 0.57billion yen (unit: million yen) Increase in tax expenses due to higher earnings and a higher effective tax rate
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Copyright © SEIREN CO., LTD. 8 Overseas Subsidiaries Sales (million yen) (Previous Q1: Jan - Mar)： USD＝152.60、CNY＝20.95、THB＝4.50、BRL＝26.11、INR＝1.70、IDR＝0.0094、MXN＝7.47 、EUR＝160.50 (Current Q1: Jan - Mar)： 156.86 22.66 4.97 29.84 1.70 0.0093 8.94 183.65 Dollar conversion FY2026 Q1 FY2025 Q1 Change Results Results JPY basis Local currency basis North and Middle America Seiren North America (U.S.A.) 3,130 3,615 -13.4% -15.8% Seiren Viscotec Mexico (Mexico) 5,391 5,557 -3.0% -18.9% South America Seiren Produtos Automotivos (Brazil) 773 651 +18.8% +4.0% China Seiren Suzhou 10,641 10,523 +1.1% -6.5% Seiren Hebei 1,471 1,522 -3.3% -10.6% Seiren Guangdong 269 161 +66.4% +53.8% Seiren Electronics 191 120 +58.6% +46.6% Seiren Shanghai 2,587 2,518 +2.7% -5.0% Asia Saha Seiren（Thailand） 3,587 3,241 +10.7% +0.2% SEIREN INDIA (India) 1,168 1,233 -5.3% -5.3% SEIREN INDONESIA（Indonesia) 614 684 -10.2% -9.2% EU SEIREN Hungary（Hungary） 1,071 847 +26.5% +10.5% Overseas subsidiaries total 30,899 30,677 +0.7% -2.0%
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Copyright © SEIREN CO., LTD. 9 Automotive Interior Business (million yen) <SEIREN alone> ・Increased demand for car seat materials and airbags for new vehicle models <Oversea subsidiaries> ・U.S.A.: Reactionary decline following strong performance in the previous year ・Mexico: Impact of slower EV sales ・China: Improved sales mix of high-value-added products and benefits from VA activities ・Thailand: Strong demand for car seat materials and airbags Sales Operating profit FY2026 Q1 FY2025 Q1 Change FY2026 Q1 FY2025 Q1 ChangeResults Results Results Results Domestic SEIREN alone 7,892 5,937 +1,955 1,008 592 +416 KB SEIREN 467 464 +3 -6 4 -11 Other 2,447 1,832 +614 77 61 +15 Overseas subsidiaries 29,661 29,716 -54 3,336 3,432 -96 Consolidated adjustment -10,042 -10,299 +257 93 76 +16 Consolidated Total 30,426 27,650 +2,775 4,507 4,167 +340 10.9% 10.3% 12.6% 15.1% 14.8% Operating profit margin 1,991 2,115 3,373 4,167 4,507 18,302 20,463 26,783 27,650 30,426 0 7,000 14,000 21,000 28,000 35,000 0 2,000 4,000 6,000 8,000 FY2022 Q1 FY2023 Q1 FY2024 Q1 FY2025 Q1 FY2026 Q1 (million yen)(million yen) Operating profit Sales
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Copyright © SEIREN CO., LTD. 10 High-fashion Business <SEIREN alone> ・Challenging sales environment for sportswear, innerwear, and fashion apparel ・Positive effects from price revisions and cost reduction efforts <KB SEIREN> ・Weak demand for standard fibers, offset by strong sales of specialty fibers <Other> ・Lower sales due to a reactionary decline from strong demand in the previous year (Saha Seiren) Sales Operating profit FY2026 Q1 FY2025 Q1 Change FY2026 Q1 FY2025 Q1 ChangeResults Results Results Results SEIREN alone 3,475 3,666 -190 153 112 +40 Subsidiary KB SEIREN 985 957 +27 216 175 +40 Other 1,724 1,818 -93 89 150 -60 Consolidated adjustment -962 -1,018 +55 9 -1 +11 Consolidated Total 5,223 5,423 -200 469 437 +32 (million yen) -0.6% 3.8% 5.5% 8.1% 9.0% Operating profit margin (29) 199 277 437 469 5,174 5,238 5,085 5,423 5,223 0 1,000 2,000 3,000 4,000 5,000 6,000 (200) 0 200 400 600 800 1,000 FY2022 Q1 FY2023 Q1 FY2024 Q1 FY2025 Q1 FY2026 Q1 (million yen)(million yen) Operating profit Sales
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Copyright © SEIREN CO., LTD. 11 Electronics Business <SEIREN alone> ・Strong sales of mobile device-related products ・Solid performance in the space systems business <KB SEIREN> ・Steady sales of conductive fiber for dust-free clothing ("Belltron") ・ Strong sales of wiping cloths for AI data center HDD applications <SEIREN Advanced Materials> ・Strong sales of silicon wafer oxidation processing services (thick and thin films) (million yen) Sales Operating profit FY2026 Q1 FY2025 Q1 Change FY2026 Q1 FY2025 Q1 ChangeResults Results Results Results SEIREN alone 1,832 1,219 +612 271 86 +185 Subsidiary KB SEIREN 1,143 986 +157 515 390 +125 SEIREN Advanced Materials 862 812 +50 178 155 +23 Other 941 583 +358 88 48 +40 Consolidated adjustment -1,061 -399 -662 -46 -50 +4 Consolidated Total 3,719 3,201 +517 1,007 629 +377 21.2% 15.8% 13.3% 19.7% 27.1% Operating profit margin 643 392 341 629 1,007 3,039 2,476 2,565 3,201 3,719 0 700 1,400 2,100 2,800 3,500 4,200 0 300 600 900 1,200 1,500 1,800 FY2022 Q1 FY2023 Q1 FY2024 Q1 FY2025 Q1 FY2026 Q1 (million yen)(million yen) Operating profit Sales
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Copyright © SEIREN CO., LTD. 12 Environmental & Life materials Business <SEIREN alone> ・Front-loaded demand for housing-related materials amid concerns over potential supply disruptions caused by geopolitical tensions in the Middle East <KB SEIREN> ・Recovery in sales of consumer products (million yen) Sales Operating profit FY2026 Q1 FY2025 Q1 Change FY2026 Q1 FY2025 Q1 ChangeResults Results Results Results SEIREN alone 2,337 2,005 +332 218 127 +90 Subsidiary KB SEIREN 379 370 +9 85 69 +15 Other 3,982 502 +3,479 217 30 +186 Consolidated adjustment -706 -461 -245 -1 -3 +2 Consolidated Total 5,993 2,418 +3,575 519 224 +295 <Other> ・Sales of fibers and nonwoven fabrics for industrial materials were added following the consolidation of NB SEIREN 12.0% 11.6% 7.7% 9.3% 8.7% Operating profit margin 285 272 182 224 519 2,380 2,346 2,369 2,418 5,993 0 1,000 2,000 3,000 4,000 5,000 6,000 0 200 400 600 800 1,000 1,200 FY2022 Q1 FY2023 Q1 FY2024 Q1 FY2025 Q1 FY2026 Q1 (million yen)(million yen) Operating profit Sales
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Copyright © SEIREN CO., LTD. 13 Medical Business <SEIREN alone> ・Solid sales of healthcare and medical materials, including artificial blood vessels and supporter products <KB SEIREN> ・Higher sales of high-value-added products despite lower sales of adhesive materials ・Negative impact from higher costs for RO membrane spacers ・Strong sales of materials for adhesive bandages <Other> ・Added sales of short fibers for adhesive materials and other products following the consolidation of NB SEIREN (million yen) Sales Operating profit FY2026 Q1 FY2025 Q1 Change FY2026 Q1 FY2025 Q1 ChangeResults Results Results Results SEIREN alone 480 435 +45 36 12 +23 Subsidiary KB SEIREN 1,198 1,295 -97 209 216 -7 Other 626 235 +390 44 11 +32 Consolidated adjustment -228 -235 +7 3 -5 +9 Consolidated Total 2,077 1,731 +345 293 235 +57 14.5% 9.1% 10.3% 13.6% 14.1% Operating profit margin 257 160 174 235 293 1,776 1,765 1,696 1,731 2,077 0 400 800 1,200 1,600 2,000 2,400 0 100 200 300 400 500 600 700 FY2022 Q1 FY2023 Q1 FY2024 Q1 FY2025 Q1 FY2026 Q1 (million yen)(million yen) Operating profit Sales
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Copyright © SEIREN CO., LTD. 14 Others Business <Subsidiary> ・Steady performance in real estate leasing and management business by Nagoya Seiren ・Steady performance in insurance agency business by Seiren Shoji ・Sales of raw materials for packaging films and containers were added following the consolidation of NB SEIREN (million yen) Sales Operating profit FY2026 Q1 FY2025 Q1 Change FY2026 Q1 FY2025 Q1 ChangeResults Results Results Results SEIREN alone 89 80 +9 40 44 -4 Subsidiary 1,883 334 +1,548 175 99 +75 Consolidated adjustment -267 -214 -52 -0 0 -0 Consolidated Total 1,705 199 +1,505 215 145 +70 61.0% 49.0% 78.7% 72.6% 12.6% Operating profit margin 137 106 146 145 215 225 218 185 199 1,705 0 300 600 900 1,200 1,500 1,800 0 300 600 900 1,200 1,500 1,800 FY2022 Q1 FY2023 Q1 FY2024 Q1 FY2025 Q1 FY2026 Q1 (million yen)(million yen) Operating profit Sales
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Copyright © SEIREN CO., LTD. 15 Consolidated Balance Sheet (million yen) Major Currency Exchange Rates at the End of FY2026 Q1 USD 159.88 (156.56*) / CNY 23.11 (22.36*) / THB 4.86 (4.97*) /MXN 8.82 (8.70*) / EUR 183.41 (184.33*)*at the end of the previous FY 【Total assets】227,826 +3,899 from the end of the previous FY(Incl. FX impact: +2,372) Equity ratio 72.3% (71.8% at the end of the previous FY) (million yen) Jun.2026 Mar.2025 Change Excluding FX impact Total current assets 131,528 129,682 +1,846 +131 Cash and cash equivalents 39,158 38,894 +264 -269 Notes and accounts receivable 46,585 46,652 -66 -849 Securities 5,618 4,444 +1,173 +1,173 Inventories 36,106 35,967 +138 -163 Other 4,060 3,724 +336 +239 Total fixed assets 96,297 94,244 +2,052 +1,395 Tangible fixed assets 72,307 70,560 +1,746 +1,231 Intangible fixed assets 3,172 3,134 +38 -81 Investments and other assets 20,817 20,549 +267 +244 TOTAL ASSETS 227,826 223,926 +3,899 +1,527 Jun.2026 Mar.2025 Change Total current liabilities 37,322 37,113 +208 Notes and accounts payable 21,625 20,918 +706 Short-term borrowings 1,344 1,344 - Other 14,351 14,849 -497 Total long-term liabilities 24,745 25,026 -280 Long-term borrowings 7,547 7,871 -323 Net defined benefit liabilities 5,660 5,611 +48 Other 11,538 11,544 -5 TOTAL LIABILITIES 62,067 62,139 -71 Shareholders' equity 135,950 134,132 +1,818 Common stock 17,520 17,520 - Additional paid-in capital 20,036 20,040 -4 Retained earnings 109,350 106,928 +2,422 Treasury stock -10,956 -10,357 -599 Accumulated other comprehensive income 28,857 26,683 +2,173 Share option 454 465 -10 Non-controlling interest 495 505 -10 TOTAL NET ASSETS 165,758 161,787 +3,971 TOTAL LIABILITIES AND NET ASSETS 227,826 223,926 +3,899
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Copyright © SEIREN CO., LTD. 16 2. FY2026 Full-Year Consolidated Forecast
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Copyright © SEIREN CO., LTD. 17 FY2026 FY2025 Change FY2026 Change Forecast Results Amount % Previous Forecast Amount % Net Sales 195,300 171,765 +23,534 +13.7% 190,300 +5,000 +2.6% Operating profit 22,600 20,832 +1,767 +8.5% 20,900 +1,700 +8.1% Operating profit margin 11.6% 12.1% 11.0% Ordinary profit 23,000 22,005 +994 +4.5% 21,100 +1,900 +9.0% Profit attributable to owners of parent 15,700 15,599 +100 +0.6% 15,000 +700 +4.7% Depreciation and amortization 7,300 6,284 +1,015 +16.2% Capital expenditures 15,300 10,439 +4,860 +46.6% Forecasted FY2026 Consolidated Performance (million yen) Exchange rate assumptions: USD/JPY 156, CNY/JPY 22.5 ★ ★ ★New record-high ■Domestic 8,150 4,332 ■Overseas 7,150 (47%) 6,107 (59%) Full-Year Forecast Revised Upward Six Consecutive Fiscal Years of Increased Sales and Profits Six Consecutive Fiscal Years of Record-High Operating Profit, Ordinary Profit and Net Profit [Capital Expenditures Breakdown] FY2026 FY2025 *Capital expenditures: cash flow basis ★ ★
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Copyright © SEIREN CO., LTD. 18 Consolidated Cap Ex / Depreciation and Amortization 5,600 2,277 2,370 6,107 7,150 1,630 263 641 2,003 2,220 195 500 2,770 731 1,485 2,474 1,613 2,700 8,354 4,302 5,781 10,439 15,300 0 2,000 4,000 6,000 8,000 10,000 12,000 14,000 16,000 18,000 FY2022 FY2023 FY2024 FY2025 FY2026 Forecast Capital Expenditures Overseas KB SEIREN SEIREN alone (million yen) 2,745 3,166 3,455 3,530 3,840 952 784 722 676 960 1,377 1,254 1,624 1,796 2,000 5,313 5,455 6,030 6,284 7,300 0 2,000 4,000 6,000 8,000 10,000 12,000 14,000 16,000 18,000 FY2022 FY2023 FY2024 FY2025 FY2026 Forecast Depreciation and Amortization (million yen) SEIREN Advanced Materials NB SEIREN
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Copyright © SEIREN CO., LTD. 19 Disclaimer • This document is an English translation of the original in Japanese and has been prepared solely for reference purposes. In the event of any discrepancy between this English translation and the original, the original shall prevail. • The forward-looking statements in this document, including performance forecasts, are based on information currently available to the company and certain assumptions deemed reasonable. Please be aware that actual results may differ significantly due to various factors.