Interim report
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1 Note : This document has been translated from a part of the Japanese original for reference purposes only. In the event of any discrepancy between this translated document and the Japanese original, the original shall prevail. August 31, 2026 CCCCCooooonnnnnsssssooooollllliiiiidddddaaaaattttteeeeeddddd FFFFFiiiiinnnnnaaaaannnnnccccciiiiiaaaaalllll RRRRReeeeesssssuuuuullllltttttsssss fffffooooorrrrr ttttthhhhheeeee SSSSSiiiiixxxxx MMMMMooooonnnnnttttthhhhhsssss EEEEEnnnnndddddeeeeeddddd JJJJJuuuuulllllyyyyy 3333311111,,,,, 22222000002222266666 (((((UUUUUnnnnndddddeeeeerrrrr JJJJJaaaaapppppaaaaannnnneeeeessssseeeee GGGGGAAAAAAAAAAPPPPP))))) Company name: Tri Chemical Laboratories Inc. Listing: Tokyo Stock Exchange Securities code: 4369 URL: https://www.trichemical.com Representative: Kiyoshi Tazuke Representative Director & CEO Inquiries: Yoshihide Suzuki Director & Executive Officer Telephone: +81-554(63)6600 Scheduled date to file semi-annual securities report: September 14, 2026 Scheduled date to commence dividend payments: - Preparation of supplementary material on financial results: None Holding of financial results briefing: Yes(for institutional investors and analysts) (Yen amounts are rounded down to millions, unless otherwise noted.) 11111..... CCCCCooooonnnnnsssssooooollllliiiiidddddaaaaattttteeeeeddddd fffffiiiiinnnnnaaaaannnnnccccciiiiiaaaaalllll rrrrreeeeesssssuuuuullllltttttsssss fffffooooorrrrr ttttthhhhheeeee sssssiiiiixxxxx mmmmmooooonnnnnttttthhhhhsssss eeeeennnnndddddeeeeeddddd JJJJJuuuuulllllyyyyy 3333311111,,,,, 22222000002222266666 (((((fffffrrrrrooooommmmm FFFFFeeeeebbbbbrrrrruuuuuaaaaarrrrryyyyy 11111,,,,, 22222000002222266666 tttttooooo JJJJJuuuuulllllyyyyy 3333311111,,,,, 22222000002222266666))))) (((((11111))))) CCCCCooooonnnnnsssssooooollllliiiiidddddaaaaattttteeeeeddddd ooooopppppeeeeerrrrraaaaatttttiiiiinnnnnggggg rrrrreeeeesssssuuuuullllltttttsssss (((((cccccuuuuummmmmuuuuulllllaaaaatttttiiiiivvvvveeeee))))) (Percentages indicate year-on-year changes.) Net sales Operating profit Ordinary profit Profit attributable to owners of parent Six months ended Millions of yen % Millions of yen % Millions of yen % Millions of yen % July 31, 2026 14,705 18.8 3,838 20.8 4,526 19.1 3,373 21.5 July 31, 2025 12,375 55.2 3,177 63.9 3,800 41.8 2,776 36.7 Note: Comprehensive income For the six months ended July 31, 2026: ¥ 3,237 million [14.0%] For the six months ended July 31, 2025: ¥ 2,840 million [30.4%] Basic earnings per share Diluted earnings per share Six months ended Yen Yen July 31, 2026 103.81 - July 31, 2025 85.45 - (((((22222))))) CCCCCooooonnnnnsssssooooollllliiiiidddddaaaaattttteeeeeddddd fffffiiiiinnnnnaaaaannnnnccccciiiiiaaaaalllll pppppooooosssssiiiiitttttiiiiiooooonnnnn Total assets Net assets Equity-to-asset ratio As of Millions of yen Millions of yen % July 31, 2026 49,121 38,249 77.9 January 31, 2026 47,274 36,149 76.5 Reference: Equity As of July 31, 2026: ¥ 38,249 million As of January 31, 2026: ¥ 36,149 million
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2 22222..... CCCCCaaaaassssshhhhh dddddiiiiivvvvviiiiidddddeeeeennnnndddddsssss Annual dividends per share First quarter-end Second quarter-end Third quarter-end Fiscal year-end Total Yen Yen Yen Yen Yen Fiscal year ended - 0.00 - 35.00 35.00January 31, 2026 Fiscal year ending - 0.00January 31, 2027 Fiscal year ending January 31, 2027 (Forecast) - 35.00 35.00 Note: Revisions to the forecast of cash dividends most recently announced: None 33333..... CCCCCooooonnnnnsssssooooollllliiiiidddddaaaaattttteeeeeddddd fffffiiiiinnnnnaaaaannnnnccccciiiiiaaaaalllll rrrrreeeeesssssuuuuulllllttttt fffffooooorrrrreeeeecccccaaaaassssstttttsssss fffffooooorrrrr ttttthhhhheeeee fffffiiiiissssscccccaaaaalllll yyyyyeeeeeaaaaarrrrr eeeeennnnndddddiiiiinnnnnggggg JJJJJaaaaannnnnuuuuuaaaaarrrrryyyyy 3333311111,,,,, 22222000002222277777 (((((fffffrrrrrooooommmmm FFFFFeeeeebbbbbrrrrruuuuuaaaaarrrrryyyyy 11111,,,,, 22222000002222266666 tttttooooo JJJJJaaaaannnnnuuuuuaaaaarrrrryyyyy 3333311111,,,,, 22222000002222277777))))) (Percentages indicate year-on-year changes.) Net sales Operating profit Ordinary profit Profit attributable to owners of parent Basic earnings per share Millions of yen % Millions of yen % Millions of yen % Millions of yen % Yen Full year 29,500 23.5 7,450 26.2 8,720 23.0 6,570 19.1 202.17 Note: Revisions to the financial result forecast most recently announced: Yes ***** NNNNNooooottttteeeeesssss (1) Significant changes in the scope of consolidation during the period: None Newly included: - companies( ) Excluded: - companies( ) (2) Adoption of accounting treatment specific to the preparation of semi-annual consolidated financial statements: None (3) Changes in accounting policies, changes in accounting estimates, and restatement (i) Changes in accounting policies due to revisions to accounting standards and other regulations: None (ii) Changes in accounting policies due to other reasons: None (iii) Changes in accounting estimates: None (iv) Restatement: None (4) Number of issued shares (common shares) (i) Total number of issued shares at the end of the period (including treasury shares) As of July 31, 2026 32,498,640 shares As of January 31, 2026 32,498,640 shares (ii) Number of treasury shares at the end of the period As of July 31, 2026 1,932 shares As of January 31, 2026 1,889 shares (iii) Average number of shares outstanding during the period (cumulative from the beginning of the fiscal year) Six months ended July 31, 2026 32,496,727 shares Six months ended July 31, 2025 32,496,785 shares * Semi-annual financial results reports are exempt from review conducted by certified public accountants or an audit firm. * Proper use of earnings forecasts, and other special matters The earnings forecasts and other forward-looking statements herein are based on information currently available to the Company and certain assumptions deemed reasonable, and do not represent a commitment by the Company that they will be achieved. Actual results may differ significantly from these forecasts due to a wide range of factors. The Company plans to hold a financial results briefing for institutional investors and analysts on September 1, 2026. Financial results materials to be used at the briefing will be available on the Company’s website immediately after the session.
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3 Semi-annual Consolidated Financial Statements and Primary Notes Semi-annual Consolidated Balance Sheet (Thousands of yen) As of January 31, 2026 As of July 31, 2026 Assets Current assets Cash and deposits 7,279,978 10,078,603 Notes and accounts receivable - trade 4,441,035 4,415,036 Electronically recorded monetary claims - operating 2,068,290 1,745,571 Merchandise and finished goods 1,426,852 352,413 Work in process 2,295,616 3,080,518 Raw materials and supplies 4,143,425 4,228,605 Other 1,598,088 543,876 Total current assets 23,253,287 24,444,625 Non-current assets Property, plant and equipment Buildings and structures 10,039,389 10,177,437 Accumulated depreciation (2,912,827) (3,181,253) Buildings and structures, net 7,126,562 6,996,183 Machinery, equipment and vehicles 8,116,785 8,459,886 Accumulated depreciation (3,451,107) (3,878,353) Machinery, equipment and vehicles, net 4,665,677 4,581,532 Tools, furniture and fixtures 5,687,655 6,571,533 Accumulated depreciation (3,056,751) (3,488,902) Tools, furniture and fixtures, net 2,630,903 3,082,631 Land 1,461,033 1,461,033 Other 1,945,071 1,830,762 Accumulated depreciation (603,927) (648,693) Other, net 1,341,144 1,182,068 Total property, plant and equipment 17,225,320 17,303,449 Intangible assets 89,568 96,241 Investments and other assets Investment securities 6,139,634 6,611,733 Other 567,154 665,178 Total investments and other assets 6,706,789 7,276,911 Total non-current assets 24,021,677 24,676,602 Total assets 47,274,965 49,121,227
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4 (Thousands of yen) As of January 31, 2026 As of July 31, 2026 Liabilities Current liabilities Accounts payable - trade 2,045,565 1,398,672 Current portion of long-term borrowings 640,200 914,670 Income taxes payable 766,036 1,266,998 Provision for bonuses 147,764 188,669 Other 4,005,019 1,820,984 Total current liabilities 7,604,585 5,589,995 Non-current liabilities Long-term borrowings 3,082,750 4,867,870 Retirement benefit liability 157,492 150,956 Other 280,587 262,826 Total non-current liabilities 3,520,829 5,281,653 Total liabilities 11,125,414 10,871,649 Net assets Shareholders' equity Share capital 3,278,912 3,278,912 Capital surplus 3,179,912 3,179,912 Retained earnings 28,669,761 30,905,930 Treasury shares (2,747) (2,875) Total shareholders' equity 35,125,838 37,361,880 Accumulated other comprehensive income Valuation difference on available-for-sale securities 44,640 62,988 Foreign currency translation adjustment 984,524 819,989 Remeasurements of defined benefit plans (5,452) 4,720 Total accumulated other comprehensive income 1,023,712 887,698 Total net assets 36,149,551 38,249,578 Total liabilities and net assets 47,274,965 49,121,227
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5 Semi-annual Consolidated Statements of Income and Comprehensive Income Semi-annual Consolidated Statement of Income (Thousands of yen) For the six months ended July 31, 2025 For the six months ended July 31, 2026 Net sales 12,375,159 14,705,866 Cost of sales 7,657,517 9,376,628 Gross profit 4,717,641 5,329,237 Selling, general and administrative expenses 1,539,964 1,491,001 Operating profit 3,177,676 3,838,236 Non-operating income Interest income 4,425 3,993 Dividend income 666 1,118 Share of profit of entities accounted for using equity method 619,156 648,397 Other 13,412 89,834 Total non-operating income 637,660 743,344 Non-operating expenses Interest expenses 12,618 49,465 Other 2,492 5,891 Total non-operating expenses 15,110 55,356 Ordinary profit 3,800,226 4,526,223 Profit before income taxes 3,800,226 4,526,223 Income taxes - current 984,274 1,259,484 Income taxes - deferred 39,039 (106,816) Total income taxes 1,023,314 1,152,668 Profit 2,776,911 3,373,555 Profit attributable to owners of parent 2,776,911 3,373,555
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6 Semi-annual Consolidated Statement of Comprehensive Income (Thousands of yen) For the six months ended July 31, 2025 For the six months ended July 31, 2026 Profit 2,776,911 3,373,555 Other comprehensive income Valuation difference on available-for-sale securities 5,663 18,347 Foreign currency translation adjustment 74,480 21,527 Remeasurements of defined benefit plans, net of tax 1,470 10,173 Share of other comprehensive income of entities accounted for using equity method (18,200) (186,062) Total other comprehensive income 63,412 (136,013) Comprehensive income 2,840,324 3,237,541 Comprehensive income attributable to Comprehensive income attributable to owners of parent 2,840,324 3,237,541 Comprehensive income attributable to non-controlling interests - -
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7 Semi-annual Consolidated Statement of Cash Flows (Thousands of yen) For the six months ended July 31, 2025 For the six months ended July 31, 2026 Cash flows from operating activities Profit before income taxes 3,800,226 4,526,223 Depreciation 856,475 1,213,675 Increase (decrease) in provision for bonuses 36,797 41,023 Interest and dividend income (5,091) (5,112) Interest expenses 12,618 49,465 Share of loss (profit) of entities accounted for using equity method (619,156) (648,397) Decrease (increase) in trade receivables (552,460) 354,626 Decrease (increase) in inventories (1,074,088) 249,001 Increase (decrease) in trade payables 1,455,748 (650,622) Increase/decrease in consumption taxes payable/consumption taxes refund receivable (323,174) 1,111,286 Increase (decrease) in accounts payable - other 428,002 (39,392) Decrease (increase) in other current assets (40,561) (54,703) Increase (decrease) in other current liabilities 133,836 (438,772) Increase (decrease) in other non-current liabilities 3,812 (6,535) Other, net (130,717) (8,685) Subtotal 3,982,264 5,693,081 Interest and dividends received 5,091 5,112 Interest paid (12,642) (49,479) Income taxes paid (1,246,498) (771,666) Income taxes refund 13 19 Net cash provided by (used in) operating activities 2,728,229 4,877,066 Cash flows from investing activities Purchase of investment securities (600) (601) Purchase of property, plant and equipment (3,512,279) (2,972,317) Purchase of intangible assets (36,370) (4,614) Net cash provided by (used in) investing activities (3,549,250) (2,977,534) Cash flows from financing activities Proceeds from long-term borrowings - 2,400,000 Repayments of long-term borrowings (333,020) (340,410) Repayments of lease liabilities (57,399) (65,398) Purchase of treasury shares (246) (127) Dividends paid (1,136,297) (1,135,992) Net cash provided by (used in) financing activities (1,526,964) 858,071 Effect of exchange rate change on cash and cash equivalents 4,992 41,021 Net increase (decrease) in cash and cash equivalents (2,342,993) 2,798,625 Cash and cash equivalents at beginning of period 9,439,328 7,279,978 Cash and cash equivalents at end of period 7,096,335 10,078,603
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8 Supplementary Information (Disaggregated information on revenue from contracts with customers) The Group’s business consists of a single segment comprising high-purity chemicals for semiconductor manufacturing and other applications, together with ancillary services. Information on revenue from contracts with customers, disaggregated by region and product application, is shown below. For the six months ended July 31, 2025 (By region) (Thousands of yen) Segment name High-purity Chemicals Business Japan 2,216,740 China 4,654,426 Taiwan 3,616,039 South Korea 1,304,081 Other 583,871 Revenue from contracts with customers 12,375,159 Other revenue – Net sales to external customers 12,375,159 (Note) Region is based on the location of the end customer. (By product application) (Thousands of yen) Segment name High-purity Chemicals Business Si semiconductor applications High-k 6,082,464 Metal 2,336,602 Etching 1,823,150 Other 1,519,438 Other applications (apart from Si semiconductors) 613,503 Revenue from contracts with customers 12,375,159 Other revenue – Net sales to external customers 12,375,159 (Note) Product applicatio n is based on the application of the end customer.
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9 For the six months ended July 31, 2026 (By region) (Thousands of yen) Segment name High-purity Chemicals Business Japan 2,205,819 China 5,840,821 Taiwan 4,950,065 South Korea 1,276,127 Other 433,032 Revenue from contracts with customers 14,705,866 Other revenue – Net sales to external customers 14,705,866 (Note) Region is based on the location of the end customer. (By product application) (Thousands of yen) Segment name High-purity Chemicals Business Si semiconductor applications High-k 7,131,886 Metal 3,197,699 Etching 1,870,414 Other 1,997,199 Other applications (apart from Si semiconductors) 508,666 Revenue from contracts with customers 14,705,866 Other revenue – Net sales to external customers 14,705,866 (Note) Product applicatio n is based on the application of the end customer.