Interim report
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Note: This document has been translated from 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. Consolidated Financial Results for the Nine Months Ended December 31, 2025 [Japanese GAAP] January 29, 2026 Company name: RION CO., LTD. Listing: Tokyo Stock Exchange Securities code: 6823 URL: https://www.rion.co.jp Representative: Koki Kato President & CEO Inquiries: Tadashi Sozaki Executive Officer and Head of Corporate Planning Division Telephone: +81-42-359-7099 Scheduled date to commence dividend payments: - Preparation of supplementary material on financial results: None Holding of financial results briefing: None (Yen amounts are rounded down to millions, unless otherwise noted.) 1. Consolidated Financial Results for the Nine Months Ended December 31, 2025 (April 1, 2025 to December 31, 2025) (1) Consolidated Operating Results (Percentages indicate year-on-year changes.) Net sales Operating profit Ordinary profit Profit attributable to owners of parent Nine months ended Millions of yen % Millions of yen % Millions of yen % Millions of yen % December 31, 2025 20,553 0.3 3,065 (0.1) 3,130 0.0 2,248 5.6 December 31, 2024 20,490 10.7 3,069 16.9 3,129 16.2 2,128 6.3 (Note) Comprehensive income: Nine months ended December 31, 2025: ¥ 2,556 million [ 26.0%] Nine months ended December 31, 2024: ¥ 2,028 million [ (0.4) %] Basic earnings per share Diluted earnings per share Nine months ended Yen Yen December 31, 2025 182.42 - December 31, 2024 172.87 - (2) Consolidated Financial Position Total assets Net assets Capital adequacy ratio As of Millions of yen Millions of yen % December 31, 2025 39,581 33,072 83.6 March 31, 2025 39,132 31,435 80.3 (Reference) Equity: As of December 31, 2025: ¥ 33,072 million As of March 31, 2025: ¥ 31,435 million
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2. Dividends Annual dividends 1st quarter-end 2nd quarter-end 3rd quarter-end Year-end Total Yen Yen Yen Yen Yen Fiscal year ended march 31, 2025 - 28.00 - 42.00 70.00 Fiscal year ending march 31, 2026 - 35.00 - Fiscal year ending march 31, 2026 (Forecast) 50.00 85.00 Note: Revisions to the forecast dividends announced most recently: Yes For more information on the revision of the dividend forecast, please refer to the "Notice of Revision of Dividend Forecast (Dividend Increase)" announced today (January 29, 2026). 3. Consolidated Financial Result Forecasts for the Fiscal Year Ending March 31, 2026 (April 1, 2025 to March 31, 2026) (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 28,900 3.7 4,400 9.1 4,400 7.1 3,150 10.1 255.54 (Note) Revisions to the financial result forecast announced most recently: None * Notes (1) Significant changes in the scope of consolidation during the period: None Newly included: - (Company name: ) Excluded: - (Company name: ) (2) Adoption of accounting treatment specific to the preparation of quarterly consolidated financial statements: None (3) Changes in accounting policies, changes in accounting estimates, and restatement 1) Changes in accounting policies due to revisions to accounting standards and other regulations: None 2) Changes in accounting policies due to other reasons: None 3) Changes in accounting estimates: None 4) Restatement: None (4) Number of issued shares (common shares) 1) Total number of issued shares at the end of the period (including treasury shares) December 31, 2025 12,347,700 shares March 31, 2025 12,336,700 shares 2) Number of treasury shares at the end of the period December 31, 2025 17,382 shares March 31, 2025 17,382 shares 3) Average number of shares outstanding during the period Nine months ended December 31, 2025 12,325,429 shares Nine months ended December 31, 2024 12,315,406 shares * Review of the Japanese-language originals of the attached consolidated quarterly financial statements by certified public accountants or an audit firm: None * Proper use of earnings forecasts, and other special matters Forward-looking statements such as results forecasts included in this document are based on information available to the Company at the time of the announcement and on certain assumptions considered reasonable. Actual results may differ materially from forecasts depending on a range of factors.
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―1― Quarterly Consolidated Financial Statements and Primary Notes Quarterly Consolidated Balance Sheet (Thousands of yen) As of March 31, 2025 As of December 31, 2025 Assets Current assets Cash and deposits 6,014,015 7,856,616 Notes and accounts receivable - trade 5,619,809 4,383,289 Electronically recorded monetary claims - operating 2,201,004 2,332,501 Inventories 8,034,551 8,458,595 Other 821,522 608,573 Allowance for doubtful accounts (7,457) (8,289) Total current assets 22,683,445 23,631,287 Non-current assets Property, plant and equipment Buildings and structures, net 4,310,237 4,084,223 Land 5,927,059 5,927,059 Other, net 1,603,076 1,483,405 Total property, plant and equipment 11,840,373 11,494,688 Intangible assets Goodwill 727,641 738,940 Other 1,510,901 1,256,936 Total intangible assets 2,238,543 1,995,876 Investments and other assets Other 2,371,796 2,461,320 Allowance for doubtful accounts (1,600) (1,808) Total investments and other assets 2,370,196 2,459,512 Total non-current assets 16,449,112 15,950,077 Total assets 39,132,557 39,581,364 Liabilities Current liabilities Notes and accounts payable - trade 2,296,724 2,127,269 Accrued expenses 395,462 422,441 Income taxes payable 824,871 208,493 Provision for bonuses 1,243,575 664,490 Provision for product warranties 251,785 245,639 Other 442,437 601,345 Total current liabilities 5,454,857 4,269,679 Non-current liabilities Retirement benefit liability 506,635 504,754 Other 1,735,293 1,734,511 Total non-current liabilities 2,241,928 2,239,265 Total liabilities 7,696,786 6,508,945
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―2― (Thousands of yen) As of March 31, 2025 As of December 31, 2025 Net assets Shareholders' equity Share capital 2,064,899 2,079,254 Capital surplus 2,488,397 2,502,752 Retained earnings 22,549,374 23,848,782 Treasury shares (10,728) (10,728) Total shareholders' equity 27,091,944 28,420,062 Accumulated other comprehensive income Valuation difference on available-for-sale securities 480,787 710,172 Revaluation reserve for land 3,207,031 3,207,031 Foreign currency translation adjustment (42,443) 73,837 Remeasurements of defined benefit plans 698,452 661,315 Total accumulated other comprehensive income 4,343,827 4,652,357 Total net assets 31,435,771 33,072,419 Total liabilities and net assets 39,132,557 39,581,364
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―3― Quarterly Consolidated Statements of Income and Comprehensive Income Quarterly Consolidated Statement of Income For the nine months ended December 31 (Thousands of yen) For the nine months ended December 31, 2024 For the nine months ended December 31, 2025 Net sales 20,490,302 20,553,822 Cost of sales 9,987,289 10,275,266 Gross profit 10,503,012 10,278,555 Selling, general and administrative expenses 7,433,280 7,213,331 Operating profit 3,069,731 3,065,223 Non-operating income Interest income 5,278 5,135 Dividend income 30,586 40,183 Rental income from buildings 31,151 30,113 Foreign exchange gains 4,646 3,510 Other 29,423 28,436 Total non-operating income 101,086 107,378 Non-operating expenses Interest expenses 1,664 1,703 Commission expenses 33,167 36,749 Other 6,376 3,483 Total non-operating expenses 41,208 41,936 Ordinary profit 3,129,609 3,130,665 Extraordinary income Gain on sale of non-current assets - 723 Total extraordinary income - 723 Extraordinary losses Loss on sale of non-current assets - 255 Loss on retirement of non-current assets 5,832 43,159 Demolition costs of buildings 114,510 - Burial cultural asset investigation expense 10,100 - Total extraordinary losses 130,442 43,414 Profit before income taxes 2,999,166 3,087,973 Income taxes - current 698,271 709,307 Income taxes - deferred 171,907 130,285 Total income taxes 870,178 839,592 Profit 2,128,988 2,248,380 Profit attributable to non-controlling interests - - Profit attributable to owners of parent 2,128,988 2,248,380
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―4― Quarterly Consolidated Statement of Comprehensive Income For the nine months ended December 31 (Thousands of yen) For the nine months ended December 31, 2024 For the nine months ended December 31, 2025 Profit 2,128,988 2,248,380 Other comprehensive income Valuation difference on available-for-sale securities (31,179) 229,384 Foreign currency translation adjustment (38,546) 116,281 Remeasurements of defined benefit plans, net of tax (30,449) (37,136) Total other comprehensive income (100,175) 308,529 Comprehensive income 2,028,813 2,556,910 Comprehensive income attributable to Comprehensive income attributable to owners of parent 2,028,813 2,556,910 Comprehensive income attributable to non-controlling interests - -