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    Corporate InformationInitiatives at the "Toyama Marathon 2025" and "Toyama Marathon EXPO 2025" 
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    Corporate InformationExhibit at T-Messe2025 
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    Shareholders and InvestorsNotice of Change in Largest and Principal Shareholder 
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    Corporate InformationSponsorship for the Advanced Metallization Conference 2025 (ADMETA 2025) 
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    Corporate InformationReceived Excellent Supplier Award 2025 from ROHM 
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    Corporate InformationSigned a Joint Development Agreement with ASMPT for Semiconductor Packaging Technology 
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    Corporate InformationNotice of Oral Presentation at 2025 International Conference on Solid State Devices and Materials 
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    Shareholders and InvestorsThe announcement date of the Consolidated Financial Results for the 2nd Quarter of Fiscal Year 2026 is now available on the IR calendar. 
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    Shareholders and InvestorsNotice Regarding Completion of Payment for Disposal of Treasury Shares for Granting Shares through Employee Shareholding Association and Partial Forfeiture 
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    SustainabilitySponsorship for "Owara Kaze-no-Bon" Festival in Yatsuo, Toyama 
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    Shareholders and Investors[Delayed]Corporate Governance Report 
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    Corporate InformationExhibit at SEMICON® TAIWAN 2025 
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    Shareholders and Investors[Q&A Text] Financial Briefings for the First Quarter of the Fiscal Year Ending March 2026 (April to June 2025) 
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    SustainabilityAwarded Highest Rating in CDP’s Supplier Engagement Assessment 2024 
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    Shareholders and Investors[Presentation Text] Financial Briefings for the First Quarter of the Fiscal Year Ending March 2026 (April to June 2025) 
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    Shareholders and Investors[Listen to webcast] Financial Briefings for the Fiscal Year Ended March 2026 (April to June 2025) 
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    Shareholders and InvestorsFinancial Briefings for the First Quarter of the Fiscal Year Ending March 2026 (April to June 2025) 
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    Shareholders and Investors[Summary] Consolidated Financial Results for the First Quarter of the Fiscal Year Ending March 2026 (Under IFRS) 
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    Corporate InformationNotice of Summer Holidays 
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    SustainabilitySelected as a constituent stock of the major ESG investment index "FTSE Blossom Japan Sector Relative Index" 
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    Shareholders and InvestorsNotice of Change in Shareholder Who Will Become Principal Shareholder 
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    Shareholders and InvestorsNotice of Expected Changes in Principal Shareholder, Largest and Principal Shareholder, and Other Affiliated Company 
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    SustainabilityOutdoor Environmental Classes Held at Preschools 
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    Shareholders and InvestorsMatters concerning Controlling Shareholders, etc. 
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    Shareholders and InvestorsNotice Regarding the Launch of a New Management Structure 
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    Shareholders and InvestorsNotice of Resolutions Adopted at the 10th Annual Shareholders Meeting 
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    Shareholders and InvestorsConsolidated Financial Statements For the Year ended March 31, 2025 
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    Shareholders and InvestorsNotice Regarding Completion of Payment for Disposal of Treasury Shares under Restricted Stock Units (RSUs) and Performance Share Units (PSUs) Grant Plan 
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    Shareholders and InvestorsThe announcement date of the Consolidated Financial Results for the 1th Quarter of Fiscal Year 2026 is now available on the IR calendar. 
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    Shareholders and InvestorsNotice of the 10th Annual Shareholders Meeting 
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    Corporate InformationAwarded “Top 10 Customer Service” for 28 consecutive years in the TechInsights Semiconductor Supplier Awards (formerly TechInsights Customer Satisfaction Survey) 
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    Shareholders and InvestorsNotice Regarding Disposal of Treasury Shares for Granting Shares through Employee Shareholding Association 
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    Shareholders and InvestorsNotice Regarding Disposal of Treasury Shares under Restricted Stock Units (RSUs) and Performance Share Units (PSUs) Grant Plan 
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    Shareholders and Investors[Q&A Text] Financial Briefings for the Fiscal Year Ending March 2025 (April to March 2025) 
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    Shareholders and Investors[Presentation Text] Financial Briefings for the Fiscal Year Ending March 2025 (April 2024 to March 2025) 
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    Corporate InformationExhibit at SEMICON® Southeast Asia 2025 
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    Shareholders and Investors[Listen to webcast] Financial Briefings for the Fiscal Year Ended March 2025 (April 2024 to March 2025) 
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    Shareholders and InvestorsNotice Concerning Dividends of Surplus 
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    Shareholders and InvestorsFinancial Briefings for the Fiscal Year Ended March 2025 (April 2024 to March 2025) 
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    Shareholders and Investors[Summary]Consolidated Financial Results for the Fiscal Year Ended March 31, 2025 (Under IFRS) 
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    SustainabilityThe Toyama Technology & Manufacturing Center Increases the Ratio of Electricity Usage from “Toyama Mizu-no-Sato Denki” to 35% of the Total Usage 
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    SustainabilityParticipating in Global Initiative "RE100" toward using 100% renewable electricity 
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    Corporate InformationNotice of Holidays 
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    Corporate InformationParticipating in “MEMS Engineer FORUM 2025” 
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    SustainabilitySponsorship of "2025 Tonami Tulip Fair" in Tonami City, Toyama Prefecture 
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    SustainabilityRecognized as a 2025 Silver Partner by TABLE FOR TWO 
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    SustainabilityGold Partner Sponsorship for the Toyama Marathon 2025 
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    Corporate InformationUpdated the Message from the President 
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    Corporate InformationNew U.S. Demo Center to Be Established to Strengthen Demo Evaluation Functions and Support Systems for Semiconductor Device Manufacturers in the U.S. 
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    Shareholders and InvestorsNotification Regarding Borrowing of Funds and Early Prepayment of Debt Financing 
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    Shareholders and InvestorsThe announcement date of the Consolidated Financial Results for the 4th Quarter of Fiscal Year 2025 is now available on the IR calendar. 
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    SustainabilityRecognized as a 2025 Certified Health & Productivity Management Outstanding Organization (Large Enterprise Category) 
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    Corporate InformationSelected for LexisNexis’ Innovation Momentum 2025: The Global Top 100 
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    Shareholders and InvestorsConcerning Selection for Loan Margin Trading Issue 
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    Corporate InformationExhibit at SEMICON® CHINA 2025 
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    SustainabilityTitle sponsorship of Kataller Toyama official match "KOKUSAI ELECTRIC Special Match" 
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    SustainabilityIncluded in the Corporate A List based on its CDP2024 
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    Corporate InformationAdopted for the Industry-Academia Collaboration (Stage II) of the Adaptable and Seamless Technology Transfer Program Through Target-Driven R&D (A-STEP) 
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    Corporate InformationSponsorship for the 72th JSAP Spring Meeting 2025 
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    Corporate InformationOral Presentation at the IEEE Electron Devices Technology and Manufacturing Conference 2025 (EDTM 2025) 
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    SustainabilitySigned an Official Partner Agreement with Professional Football Club KATALLER TOYAMA “Providing support for the seventh consecutive year in the 2025 season” 
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    Shareholders and Investors[Q&A Text] Financial Briefings for the Third Quarter of the Fiscal Year Ending March 2025 (April to December 2024) 
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    Shareholders and Investors[Presentation Text] Financial Briefings for the Third Quarter of the Fiscal Year Ending March 2025 (April to December 2024) 
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    Shareholders and Investors[Listen to webcast] Financial Briefings for the Third Quarter of the Fiscal Year Ending March 2025 (April to December 2024) 
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    Shareholders and InvestorsFinancial Briefings for the Third Quarter of the Fiscal Year Ending March 2025 (April to December 2024) 
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    Shareholders and InvestorsConsolidated Financial Results for the Third Quarter of the Fiscal Year Ending March 2025 (Under IFRS) 
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    Corporate InformationExhibit at SEMICON® KOREA 2025 
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    SustainabilityThe Toyama Technology & Manufacturing Center Increases the Ratio of Electricity Usage from “Toyama Mizu-no-Sato Denki” to Reduce Environmental Load Associated with Business Activities and Contribute to the Revitalization of Local Communities 
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    Shareholders and InvestorsAppointment of Executive Officers Effective April 1, 2025 
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    Shareholders and InvestorsChange of Representative Director 
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    SustainabilityKOKUSAI ELECTRIC Selected as a Constituent of the MSCI Japan ESG Select Leaders Index, a Leading ESG Investment Index