Interim report
Page 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 October 29, 2026 CCCCCooooonnnnnsssssooooollllliiiiidddddaaaaattttteeeeeddddd FFFFFiiiiinnnnnaaaaannnnnccccciiiiiaaaaalllll RRRRReeeeesssssuuuuullllltttttsssss FFFFFooooorrrrr ttttthhhhheeeee SSSSSeeeeecccccooooonnnnnddddd QQQQQuuuuuaaaaarrrrrttttteeeeerrrrr EEEEEnnnnndddddeeeeeddddd SSSSSeeeeepppppttttteeeeemmmmmbbbbbeeeeerrrrr 3333300000,,,,, 22222000002222266666 Company name： IBIDEN CO., LTD. Stock exchange listings： Tokyo and Nagoya Stock Exchange (Code number：4062) URL： https://www.ibiden.com/ Representative： Koji Kawashima, President & CEO, Representative Director Contact：Katsutoshi Nishimura, Finance Division Manager, Strategic Corporate Planning Operation (Tel. +81-584-81-3111) Scheduled date to commence dividend payments: November 25, 2026 Additional documents to supplement financial results： Yes IR presentation： Yes (Amounts less than one million yen are omitted) 11111..... CCCCCooooonnnnnsssssooooollllliiiiidddddaaaaattttteeeeeddddd FFFFFiiiiinnnnnaaaaannnnnccccciiiiiaaaaalllll RRRRReeeeesssssuuuuullllltttttsssss fffffooooorrrrr FFFFFYYYYY 22222000002222266666 SSSSSeeeeecccccooooonnnnnddddd qqqqquuuuuaaaaarrrrrttttteeeeerrrrr (((((FFFFFrrrrrooooommmmm AAAAAppppprrrrriiiiilllll 11111,,,,, 22222000002222266666 tttttooooo SSSSSeeeeepppppttttteeeeemmmmmbbbbbeeeeerrrrr 3333300000,,,,, 22222000002222266666))))) (1) Operating results (Percentage figures indicate the change from the same period of the prior fiscal year) Net sales Operating profit Ordinary profit Profit (loss) attributable to owners of parent Million yen % Million yen % Million yen % Million yen % FY 2026 2nd quarter 262,546 34.3 60,116 84.6 61,009 88.9 38,574 74.8 FY 2025 2nd quarter 195,485 7.7 32,573 14.2 32,305 9.4 22,069 7.5 Note： Comprehensive income FY2026 2nd quarter：41,430 million yen [10.2%] FY2025 2nd quarter：37,612 million yen [－%] Basic earnings per share Diluted earnings per share Yen Yen FY 2026 2nd quarter 68.63 65.10 FY 2025 2nd quarter 39.52 37.13 The company implemented a stock split at a ratio of two shares for every one share of common stock, effective January 1, 2026 and another stock split at a ratio of two shares for every one share of common stock, effective October 1, 2026. The calculation of basic earnings per share and diluted earnings per share is done under the assumption that stock split occurred on both January 1, 2026 and October 1, 2026 at the start of the previous consolidated fiscal year. (2) Financial positions Total assets Net assets Capital adequacy ratio Million yen Million yen % FY 2026 2nd quarter 1,127,606 610,884 53.5 FY 2025 960,425 557,412 57.3 Note： Owner’s equity As of September 30, 2026 ： 603,333 million yen As of March 31, 2026 ： 550,072 million yen
Page 2
22222..... CCCCCaaaaassssshhhhh dddddiiiiivvvvviiiiidddddeeeeennnnndddddsssss Annual dividends per share 1st quarter-end 2nd quarter-end 3rd quarter-end Fiscal year-end Total Yen Yen Yen Yen Yen FY 2025 － 30.00 － 15.00 － FY 2026 － 20.00 FY 2026(Forecast) － 10.00 － ※1. Revisions to the forecast of cash dividends most recently announced:Yes 2. The interim dividend per share for the fiscal year ended March 31, 2027, has been revised from 15 yen to 20 yen. For the details, please refer to the "Notice Regarding Revision to Full-Year Consolidated Financial Forecasts and Dividend of Surplus (Interim Dividend and Dividend Increase)" released today. 3. The company implemented a stock split at a ratio of two shares for every one share of common stock on January 1, 2026, and, considering the effect of the said stock split, has stated the year-end dividend per share for the fiscal year ending March 2026 and the interim dividend per share for the fiscal year ending March 2027. 4. The company implemented a stock split at a ratio of two shares for every one share of common stock, with an effective date of October 1, 2026. The year-end dividend (forecast) for the fiscal year ending March 2027 is stated considering the effect of the said stock split. 5. The annual dividends for the fiscal year ending March 2026 and the fiscal year ending March 2027 (forecast) are not displayed as they cannot be simply calculated due to the implementation of the stock splits. 6. The interim dividend per share for the fiscal year ending March 2026 includes a commemorative dividend of 10 yen. Additionally, the dividend situation, adjusted for the stock splits implemented on both January 1, 2026, and October 1, 2026, is as follows. （Reference）Dividends per share after stock split adjustment Annual dividends per share 1st quarter-end 2nd quarter-end 3rd quarter-end Fiscal year-end Total Yen Yen Yen Yen Yen FY 2025 － 7.50 － 7.50 15.00 FY 2026 － 10.00 FY 2026(Forecast) － 10.00 20.00
Page 3
33333..... FFFFFooooorrrrreeeeecccccaaaaassssstttttsssss ooooofffff CCCCCooooonnnnnsssssooooollllliiiiidddddaaaaattttteeeeeddddd FFFFFiiiiinnnnnaaaaannnnnccccciiiiiaaaaalllll RRRRReeeeesssssuuuuullllltttttsssss fffffooooorrrrr ttttthhhhheeeee FFFFFiiiiissssscccccaaaaalllll YYYYYeeeeeaaaaarrrrr EEEEEnnnnndddddiiiiinnnnnggggg MMMMMaaaaarrrrrccccchhhhh 3333311111,,,,, 22222000002222277777 (((((AAAAAppppprrrrriiiiilllll 11111,,,,, 22222000002222266666 ----- MMMMMaaaaarrrrrccccchhhhh 3333311111,,,,, 22222000002222277777))))) (Percentage figures indicate the change from the same period of the prior fiscal year) Net sales Operating income Ordinary income Profit attributable to owners of parent Profit per share Million yen % Million yen % Million yen % Million yen % Yen FY 2026 565,000 35.8 133,000 114.4 134,500 121.1 89,000 39.7 157.17 Note : Revisions to the forecast of consolidated financial results most recently announced:Yes The company implemented a stock split at a ratio of two shares for every one share of common stock, with an effective date of October 1, 2026. Therefore, the earnings per share for the consolidated financial results for the fiscal year ending March 2027 reflect the effect of the said stock split.The forecast for consolidated earnings per share for the fiscal year ending March 2027 would be 314.35 yen for the full fiscal year if the said stock split is not taken into consideration. 22222..... NNNNNooooottttteeeeesssss (1) Material changes in subsidiaries during this period ：None (2) Applying of specific accounting of the consolidated quarterly financial statements： Yes Calculation of tax expenses are calculated using the estimated annual effective tax rate method. (3) Changes in accounting policies, accounting estimates and retrospective restatement (ⅰ) Changes in accounting policies based on revisions of accounting standard: None (ⅱ) Changes in accounting policies other than the above: None (ⅲ) Changes in accounting estimates: None (ⅳ) Retrospective restatement: None (4) Number of shares issued and outstanding (common stock) (ⅰ) Number of shares outstanding (including treasury stock)： As of September 30, 2026 567,387,652 shares As of March 31, 2026 563,442,228 shares (ⅱ) Number of treasury stock ： As of September 30, 2026 1,859,388 shares As of March 31, 2026 4,951,156 shares (ⅲ) Average number of shares： As of September 30, 2026 562,041,547 shares As of September 30, 2025 558,482,837 shares The company implemented a stock split at a ratio of two shares for every one share of common stock, effective January 1, 2026 and another stock split at a ratio of two shares for every one share of common stock, effective October 1, 2026. The calculation of the number of shares outstanding, the number of treasury shares, and the average number of shares during the period is done under the assumption that stock split occurred on both January 1, 2026 and October 1, 2026 at the start of the previous consolidated fiscal year. ***** RRRRReeeeevvvvviiiiieeeeewwwww ooooofffff ttttthhhhheeeee JJJJJaaaaapppppaaaaannnnneeeeessssseeeee-----lllllaaaaannnnnggggguuuuuaaaaagggggeeeee ooooorrrrriiiiigggggiiiiinnnnnaaaaalllllsssss ooooofffff ttttthhhhheeeee aaaaattttttttttaaaaaccccchhhhheeeeeddddd cccccooooonnnnnsssssooooollllliiiiidddddaaaaattttteeeeeddddd ssssseeeeecccccooooonnnnnddddd qqqqquuuuuaaaaarrrrrttttteeeeerrrrrlllllyyyyy fffffiiiiinnnnnaaaaannnnnccccciiiiiaaaaalllll ssssstttttaaaaattttteeeeemmmmmeeeeennnnntttttsssss iiiiisssss nnnnnooooottttt sssssuuuuubbbbbjjjjjeeeeecccccttttt tttttooooo ccccceeeeerrrrrtttttiiiiifffffiiiiieeeeeddddd pppppuuuuubbbbbllllliiiiiccccc aaaaaccccccccccooooouuuuunnnnntttttaaaaannnnntttttsssss ooooorrrrr aaaaannnnn aaaaauuuuudddddiiiiittttt fffffiiiiirrrrrmmmmm..... ***** PPPPPrrrrrooooopppppeeeeerrrrr uuuuussssseeeee ooooofffff fffffiiiiinnnnnaaaaannnnnccccciiiiiaaaaalllll fffffooooorrrrreeeeecccccaaaaassssstttttsssss aaaaannnnnddddd ooooottttthhhhheeeeerrrrr nnnnnooooottttteeeeewwwwwooooorrrrrttttthhhhhyyyyy eeeeevvvvveeeeennnnntttttsssss..... Descriptions of the above financial forecasts and other data are based on information currently available to the Company and certain assumptions that the Company considers to be reasonable, and the company does not promise to achieve this. Actual financial results may differ significantly from the forecasts for various reasons.
Page 4
Consolidated balance sheets (Million yen) As of September 30, 2026 As of March 31, 2026 Increase (Decrease) AAAAAsssssssssseeeeetttttsssss Current assets Cash and deposits 420,487 295,681 124,805 Notes and accounts receivable - trade, and contract assets 87,984 79,305 8,679 Electronically recorded monetary claims 3,593 2,799 794 Merchandise and finished goods 22,506 19,806 2,700 Work in process 32,145 26,542 5,602 Raw materials and supplies 28,071 24,614 3,456 Other current assets 21,200 17,084 4,115 Allowance for doubtful accounts (298) (294) (4) Total current assets 615,691 465,541 150,149 Non-current assets Property, plant and equipment Buildings and structures 189,657 194,379 (4,722) Machinery, equipment and vehicles 89,975 96,866 (6,890) Land 25,433 24,100 1,333 Lease assets 87 117 (29) Construction in progress 126,192 111,793 14,399 Others - property, plant and equipment 10,504 10,448 55 Total property, plant and equipment 441,850 437,704 4,146 Intangible assets 4,592 4,418 174 Investments and other assets Investment securities 39,013 32,285 6,728 Long-term loans receivable 7 7 (0) Deferred tax assets 16,655 18,331 (1,676) Other assets 9,830 2,171 7,658 Allowance for doubtful accounts (34) (35) 0 Total investments and other assets 65,471 52,761 12,710 Total non-current assets 511,914 494,883 17,031 Total assets 1,127,606 960,425 167,180 (Continued)
Page 5
(Million yen) As of September 30, 2026 As of March 31, 2026 Increase (Decrease) LLLLLiiiiiaaaaabbbbbiiiiillllliiiiitttttiiiiieeeeesssss aaaaannnnnddddd nnnnneeeeettttt aaaaasssssssssseeeeetttttsssss LLLLLiiiiiaaaaabbbbbiiiiillllliiiiitttttiiiiieeeeesssss Current liabilities Notes and accounts payable – trade 41,976 33,694 8,281 Electronically recorded obligations 13,085 10,449 2,636 Current portion of bonds 10,000 15,000 (5,000) Accounts payable - other 22,007 14,521 7,486 Income taxes payable 20,711 22,013 (1,301) Advances received 199,746 80,950 118,796 Provision for bonuses 9,608 5,809 3,799 Provision for bonuses for directors － 172 (172) Provision for demolition and removal 1,558 1,558 － Electronically recorded obligations - facilities 7,470 6,376 1,094 Others - current liabilities 34,217 31,100 3,116 Total current liabilities 360,382 221,645 138,737 Non-current liabilities Bonds payable 35,000 45,000 (10,000) Convertible-bond-type bonds with share acquisition rights 56,036 72,476 (16,439) Long-term loans payable 61,000 60,000 1,000 Lease obligations 50 61 (11) Deferred tax liabilities for land revaluation 70 70 － Retirement benefit liability 644 633 11 Provision for share-based compensation 727 687 39 Deferred tax liabilities 1,302 1,284 17 Others - non-current liabilities 1,507 1,152 354 Total non-current liabilities 156,339 181,367 (25,028) Total liabilities 516,721 403,012 113,709 (Continued)
Page 6
(Million yen) As of September 30, 2026 As of March 31, 2026 Increase (Decrease) NNNNNeeeeettttt aaaaasssssssssseeeeetttttsssss Shareholders’equity Capital stock 68,725 64,152 4,573 Capital surplus 74,389 64,565 9,824 Retained earnings 374,903 340,525 34,377 Treasury shares (1,596) (3,452) 1,855 Total shareholders’equity 516,422 465,791 50,630 Accumulated other comprehensive income Valuation difference on available-for-sale securities 20,746 16,331 4,414 Deferred gains or losses on hedges 242 (168) 411 Revaluation reserve for land 158 158 － Foreign currency translation adjustment 65,764 67,959 (2,195) Total accumulated other comprehensive income 86,911 84,281 2,630 Non-controlling interests 7,550 7,339 210 Total net assets 610,884 557,412 53,471 Total liabilities and net assets 1,127,606 960,425 167,180 (Concluded)
Page 7
Consolidated statements of income (Million yen) FY 2026 2nd quarter FY 2025 2nd quarter Increase (Decrease) Net sales 262,546 195,485 67,060 Cost of sales 164,840 127,572 37,268 Gross profit 97,705 67,913 29,792 Selling, general and administrative expenses 37,589 35,340 2,249 Operating profit 60,116 32,573 27,542 Non-operating income (expenses) 893 (268) 1,161 Interest income 1,850 1,252 597 Dividends income 420 737 (316) Share of profit(loss) of entities accounted for using equity method (0) 0 (1) Foreign exchange gain(losses), net 675 426 249 Interest expenses (428) (698) 270 Depreciation of inactive non-current assets (1,669) (1,935) 265 Others, net 45 (51) 96 Ordinary profit 61,009 32,305 28,704 Extraordinary income (losses) (1,650) (319) (1,331) Gain on sales of non-current assets 5 367 (362) Gain on sales of investment securities 0 0 (0) Subsidy income 813 4,403 (3,590) Loss on retirement of non-current assets (1,606) (256) (1,350) Impairment loss － (506) 506 Compensation expenses － (113) 113 Loss on reduction of non-current assets (813) (4,403) 3,590 Others, net (49) 189 10 Profit before income taxes 59,358 31,985 27,372 Income taxes (20,490) (9,682) (10,807) Profit 38,868 22,303 16,564 Profit attributable to: Non-controlling interests 293 234 59 Owners of parent 38,574 22,069 16,504
Page 8
Consolidated statements of comprehensive income (Million yen) FY 2026 2nd quarter FY 2025 2nd quarter Increase (Decrease) Profit 38,868 22,303 16,564 Other comprehensive income (loss) Valuation difference on available-for-sale securities 4,406 10,383 (5,977) Deferred gains or losses on hedges 411 25 385 Foreign currency translation adjustments (2,255) 4,899 (7,155) Total other comprehensive income (loss) 2,562 15,308 (12,746) Comprehensive income (loss) 41,430 37,612 3,817 Comprehensive income (loss) attributable to: Owners of parent 41,204 37,346 3,858 Non-controlling interests 225 266 (40)
Page 9
Consolidated Statements of Cash Flows (Million yen) FY2026 2nd quarter FY2025 2nd quarter Increase (Decrease) CCCCCaaaaassssshhhhh ffffflllllooooowwwwwsssss fffffrrrrrooooommmmm ooooopppppeeeeerrrrraaaaatttttiiiiinnnnnggggg aaaaaccccctttttiiiiivvvvviiiiitttttiiiiieeeeesssss::::: Income before income taxes 59,358 31,985 27,372 Depreciation and amortization 35,877 25,429 10,448 Impairment loss － 506 (506) Decrease in provision for bonuses 3,799 968 2,831 Decrease in provision for directors’bonuses (172) (170) (2) Decrease in allowance for doubtful accounts 4 188 (184) Increase in net defined benefit liability 11 54 (42) Interest and dividend income (2,271) (1,990) (280) Interest expenses 428 698 (270) Share of loss (profit) of entities accounted for using equity method 0 (0) 1 Gain on sales of non-current assets (5) (367) 362 Loss on retirement of non-current assets 1,606 256 1,350 Gain on sales of investment securities (0) (0) 0 Increase (decrease) in notes and accounts receivable-trade (9,283) 195 (9,479) Increase (decrease) in inventories (12,018) (308) (11,709) Increase (decrease) in notes and accounts payable-trade 11,183 (720) 11,903 Increase (decrease) in advances received 118,796 (14,507) 133,303 Increase in accrued expenses 1,261 255 1,006 Loss on reduction of non-current assets 813 4,403 (3,590) Subsidy income (813) (4,403) 3,590 Others, net 4,176 3,693 483 Subtotal 212,753 46,167 166,586 Interest and dividends income received 2,047 1,741 306 Interest expenses paid (458) (698) 240 Income taxes paid (21,977) (14,415) (7,561) Subsidy income received 813 3,903 (3,090) Net cash provided by operating activities 193,178 36,697 156,481 (Continued)
Page 10
(Million yen) FY2026 2nd quarter FY2025 2nd quarter Increase (Decrease) CCCCCaaaaassssshhhhh ffffflllllooooowwwwwsssss fffffrrrrrooooommmmm iiiiinnnnnvvvvveeeeessssstttttiiiiinnnnnggggg aaaaaccccctttttiiiiivvvvviiiiitttttiiiiieeeeesssss::::: Purchases of property, plant and equipment (48,310) (59,607) 11,296 Proceeds from sales of property, plant and equipment 912 396 516 Purchases of intangible assets (560) (840) 280 Purchases of investment securities (358) (16) (342) Proceeds from sales of investment securities 16 0 16 Collection of long-term loans receivable 0 0 0 Others, net (585) (131) (453) Net cash used in investing activities (48,886) (60,199) 11,313 CCCCCaaaaassssshhhhh ffffflllllooooowwwwwsssss fffffrrrrrooooommmmm fffffiiiiinnnnnaaaaannnnnccccciiiiinnnnnggggg aaaaaccccctttttiiiiivvvvviiiiitttttiiiiieeeeesssss::::: Proceeds from long-term loans 1,000 － 1,000 Redemption of bonds (15,000) (40,000) 25,000 Purchases of treasury stock (9) (0) (8) Proceeds from sales of treasury stock 46 56 (9) Cash dividends paid (4,196) (2,797) (1,398) Cash dividends paid to non-controlling interests (14) (14) 0 Repayment of lease obligations (158) (855) 697 Net cash used in financing activities (18,333) (43,612) 25,279 EEEEEffffffffffeeeeecccccttttt ooooofffff eeeeexxxxxccccchhhhhaaaaannnnngggggeeeee rrrrraaaaattttteeeee ccccchhhhhaaaaannnnngggggeeeeesssss ooooonnnnn cccccaaaaassssshhhhh aaaaannnnnddddd cccccaaaaassssshhhhh eeeeeqqqqquuuuuiiiiivvvvvaaaaallllleeeeennnnntttttsssss (((((11111,,,,,111118888833333))))) 11111,,,,,999993333344444 (((((33333,,,,,111111111188888))))) NNNNNeeeeettttt iiiiinnnnncccccrrrrreeeeeaaaaassssseeeee iiiiinnnnn cccccaaaaassssshhhhh aaaaannnnnddddd cccccaaaaassssshhhhh eeeeeqqqqquuuuuiiiiivvvvvaaaaallllleeeeennnnntttttsssss 111112222244444,,,,,777777777755555 (((((6666655555,,,,,111118888800000))))) 111118888899999,,,,,999995555555555 CCCCCaaaaassssshhhhh aaaaannnnnddddd cccccaaaaassssshhhhh eeeeeqqqqquuuuuiiiiivvvvvaaaaallllleeeeennnnntttttsssss aaaaattttt bbbbbeeeeegggggiiiiinnnnnnnnnniiiiinnnnnggggg ooooofffff yyyyyeeeeeaaaaarrrrr 222229999922222,,,,,999990000088888 333339999900000,,,,,666665555566666 (((((9999977777,,,,,777774444477777))))) CCCCCaaaaassssshhhhh aaaaannnnnddddd cccccaaaaassssshhhhh eeeeeqqqqquuuuuiiiiivvvvvaaaaallllleeeeennnnntttttsssss aaaaattttt eeeeennnnnddddd ooooofffff qqqqquuuuuaaaaarrrrrttttteeeeerrrrr 444441111177777,,,,,666668888844444 333332222255555,,,,,444447777766666 9999922222,,,,,222220000077777 (Concluded)
Page 11
Segment Information FY 2025 2nd quarter (From April 1, 2025 to September 30, 2025) (((((11111))))) SSSSSaaaaallllleeeeesssss aaaaannnnnddddd ppppprrrrrooooofffffiiiiittttt iiiiinnnnnfffffooooorrrrrmmmmmaaaaatttttiiiiiooooonnnnn ooooofffff eeeeeaaaaaccccchhhhh SSSSSeeeeegggggmmmmmeeeeennnnnttttt (((((MMMMMiiiiilllllllllliiiiiooooonnnnn yyyyyeeeeennnnn))))) RRRRReeeeepppppooooorrrrrtttttaaaaabbbbbllllleeeee SSSSSeeeeegggggmmmmmeeeeennnnntttttsssss CCCCCooooonnnnnsssssooooollllliiiiidddddaaaaattttteeeeeddddd SSSSStttttaaaaattttteeeeemmmmmeeeeennnnntttttsssss ooooofffff IIIIInnnnncccccooooommmmmeeeee(((((*****33333)))))EEEEEllllleeeeeccccctttttrrrrrooooonnnnniiiiicccccsssss CCCCCeeeeerrrrraaaaammmmmiiiiicccccsssss OOOOOttttthhhhheeeeerrrrrsssss (((((*****11111))))) TTTTToooootttttaaaaalllll AAAAAdddddjjjjjuuuuussssstttttmmmmmeeeeennnnnttttt (((((*****22222))))) Net sales Revenue from contracts with customers 113,547 39,689 42,248 195,485 － 195,485 Sales to third parties 113,547 39,689 42,248 195,485 － 195,485 Intersegment sales and transfers 5 18 6,214 6,238 (6,238) － Total 113,553 39,707 48,463 201,724 (6,238) 195,485 Segment profit (loss) 25,429 3,839 3,250 32,519 53 32,573 *1 The “Others” section refers to businesses that are not included in a reportable segment. *2 The adjustment of 53 million yen is for elimination of intersegment transactions of 118 million yen and corporate expenses which cannot be allocated to reportable segments of (64) million yen. *3 Segment profit (loss) is reconciled to operating income in the Consolidated statements of income. *4 The segment profit of the electronics segment does not include 1,935 million yen in depreciation of inactive non-current assets, which is treated as a non-operating expense. (((((22222))))) IIIIImmmmmpppppaaaaaiiiiirrrrrmmmmmeeeeennnnnttttt lllllooooosssssssssseeeeesssss ooooonnnnn nnnnnooooonnnnn-----cccccuuuuurrrrrrrrrreeeeennnnnttttt aaaaasssssssssseeeeetttttsssss,,,,, gggggoooooooooodddddwwwwwiiiiillllllllll,,,,, eeeeetttttccccc..... bbbbbyyyyy rrrrreeeeepppppooooorrrrrtttttiiiiinnnnnggggg ssssseeeeegggggmmmmmeeeeennnnnttttt Under the segment of Others, for idle assets, the Company recognised an impairment loss of 506 million yen.
Page 12
FY 2026 2nd quarter (From April 1, 2026 to September 30, 2026) (((((11111))))) SSSSSaaaaallllleeeeesssss aaaaannnnnddddd ppppprrrrrooooofffffiiiiittttt iiiiinnnnnfffffooooorrrrrmmmmmaaaaatttttiiiiiooooonnnnn ooooofffff eeeeeaaaaaccccchhhhh SSSSSeeeeegggggmmmmmeeeeennnnnttttt (((((MMMMMiiiiilllllllllliiiiiooooonnnnn yyyyyeeeeennnnn))))) RRRRReeeeepppppooooorrrrrtttttaaaaabbbbbllllleeeee SSSSSeeeeegggggmmmmmeeeeennnnntttttsssss CCCCCooooonnnnnsssssooooollllliiiiidddddaaaaattttteeeeeddddd SSSSStttttaaaaattttteeeeemmmmmeeeeennnnntttttsssss ooooofffff IIIIInnnnncccccooooommmmmeeeee(((((*****33333)))))EEEEEllllleeeeeccccctttttrrrrrooooonnnnniiiiicccccsssss CCCCCeeeeerrrrraaaaammmmmiiiiicccccsssss OOOOOttttthhhhheeeeerrrrrsssss (((((*****11111))))) TTTTToooootttttaaaaalllll AAAAAdddddjjjjjuuuuussssstttttmmmmmeeeeennnnnttttt (((((*****22222))))) Net sales Revenue from contracts with customers 172,540 46,156 43,849 262,546 － 262,546 Sales to third parties 172,540 46,156 43,849 262,546 － 262,546 Intersegment sales and transfers 11 － 16,817 16,828 (16,828) － Total 172,551 46,156 60,666 279,374 (16,828) 262,546 Segment profit (loss) 50,028 5,391 4,623 60,042 73 60,116 *1 The “Others” section refers to businesses that are not included in a reportable segment. *2 The adjustment of 73 million yen is for elimination of intersegment transactions of 140 million yen and corporate expenses which cannot be allocated to reportable segments of (67) million yen. *3 Segment profit (loss) is reconciled to operating income in the Consolidated statements of income. *4 The segment profit of the electronics segment does not include 1,669 million yen in depreciation of inactive non-current assets, which is treated as a non-operating expense. (((((22222))))) IIIIImmmmmpppppaaaaaiiiiirrrrrmmmmmeeeeennnnnttttt lllllooooosssssssssseeeeesssss ooooonnnnn nnnnnooooonnnnn-----cccccuuuuurrrrrrrrrreeeeennnnnttttt aaaaasssssssssseeeeetttttsssss,,,,, gggggoooooooooodddddwwwwwiiiiillllllllll,,,,, eeeeetttttccccc..... bbbbbyyyyy rrrrreeeeepppppooooorrrrrtttttiiiiinnnnnggggg ssssseeeeegggggmmmmmeeeeennnnnttttt Not applicable
Page 13
Subsequent event (Conversion of Convertible Bonds with Stock Acquisition Rights) Regarding our Convertible Bonds with Stock Acquisition Rights, a portion thereof was converted through the exercise of rights during the period from October 1,2026, to October 21,2026. The outline is as follows: (1) Number of stock acquisition rights exercised 1,150 units (2) Face value of convertible bonds converted 11,500 million yen (3) Type and number of shares issued Common stock, 5,126,831 shares (4) Increase in capital stock 5,932 million yen (5) Increase in capital reserve 5,932 million yen (Stock Split and Partial Amendment to the Articles of Incorporation) Based on the resolution of the Board of Directors held on August 4, 2026, IBIDEN CO., LTD.(hereinafter “the Company”)implemented a stock split and institute a partial amendment to the Articles of Incorporation in connection with the stock split, with an effective date of October 1, 2026. 1. Stock Split (1) Purpose of the stock split The purpose of the stock split is to expand its investor base by lowering the stock price per investment unit and to increase the liquidity of the Company’s stock. (2) Overview of the stock split (i) Method of the stock split Each share of common stock owned by shareholders listed or recorded in the closing register of shareholders on the record date of Wednesday, September 30, 2026 was split into two shares. (ii) Number of shares to be increased by the stock split Total number of issued shares prior to the stock split 283,693,826 Number of shares to be increased by the stock split 283,693,826 Total number of issued shares after the stock split 567,387,652 Total number of authorized shares after the stock split 920,000,000 (iii) Schedule for the stock split Public notice of record date Thursday, September 10, 2026 Record date Wednesday, September 30, 2026 Effective date Thursday, October 1, 2026 (iv)Impact on Per Share Information The impact on per share information is reflected in the "basic earnings per share" and "Diluted earnings per share". (v)Other There is no change in the amount of capital stock as a result of this stock split.
Page 14
2. Partial Amendment of Articles of Incorporation (1) Purpose of the amendment The total number of authorized shares described in Article 6 of the Company’s articles of incorporation was amended in conjunction with the stock split as provided for the Article 184 (2) of the Companies Act of Japan, effective Thursday, October 1, 2026. (2) Details of the amendment The details of the partial amendment of the Company’s articles of incorporation are as follows. (Changed portions are underlined.) Current Articles of Incorporation Articles of Incorporation after Amendment Article 6 (Total Number of Shares Authorized to be Issued) The total number of shares authorized to be issued by the Company shall be 444446666600000,,,,,000000000000000,,,,,000000000000000 shares. Article 6 (Total Number of Shares Authorized to be Issued) The total number of shares authorized to be issued by the Company shall be 999992222200000,,,,,000000000000000,,,,,000000000000000 shares. (3) Schedule of the amendment Date of Board of Directors’resolution Tuesday, August 4, 2026 Effective date Thursday, October 1, 2026 3. Adjustment of the Conversion Price of Zero Coupon Convertible Bonds In connection with this stock split, the conversion price of the Zero Coupon Convertible Bonds due 2031 issued by our company was adjusted as follows, effective from October 1, 2026. Issue Pre-adjustment Conversion Price (Yen) Adjusted Conversion Price (Yen) Zero Coupon Convertible Bonds due 2031 4,486.2 2,243.1 (Important Capital Investment) IBIDEN CO., LTD. (hereinafter “the Company”) hereby announces that the Board of Directors, at a meeting held today, resolved to implement capital investment, primarily at the Gama Plant Factory Building (Cell6), with the aim of increasing production capacity for high-performance IC package substrates, mainly for AI servers. 1. Outline of the Capital Investment: Gama Plant and other overseas plant <Place> Gama Plant(3-200, Gama-cho, Ogaki-city, Gifu Prefecture) and other overseas plant <Investment Amount> Approximately 151 billion yen (planned) <Operation Start> Sequential operation and planned commencement of mass production from fiscal year 2029 <Production Capacity> Through this investment, the Company will increase the production capacity for high-performance IC package substrates for CPUs, for which demand is expected to increase as AI evolves from learning-type to inference-type and further to agentic AI. 2. Future Outlook The impact of this investment on the Company's consolidated financial results for the current fiscal year is expected to be immaterial.