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2026
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2026.05.13
【Timely Disclosure】Notice Concerning Receipt of Dividend from a Consolidated Subsidiary(PDF : 74.9KB)
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2026.05.13
Financial Summary Results for FY2025 ＆ Outlook for FY2026(PDF : 958.5KB)
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2026.05.13
【Timely Disclosure】FY2025 Consolidated Financial Results Summary(PDF : 1.2MB)
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2026.04.28
【Timely Disclosure】Notice Regarding the Status and Completion of Repurchase of Own Shares and the Number of Treasury Shares to be Cancelled(PDF : 159.4KB)
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2026.04.24Mitsui Chemicals, Idemitsu Kosan, and Sumitomo Chemical Receive Japan Fair Trade Commission Clearance for the Integration of Sumitomo Chemical’s PP and LLDPE Businesses into Prime Polymer
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2026.04.01
【Timely Disclosure】Notice Regarding the Status of Repurchase of Own Shares(PDF : 126.5KB)
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2026.03.31
Corporate Governance(PDF : 679.8KB)
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2026.02.20
Q3 FY2025 Earnings Conference Call - Q&A Summary(PDF : 202.1KB)
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2026.02.05
【Timely Disclosure】Notice Regarding Repurchase of Own Shares and Cancellation of Treasury Shares(PDF : 133.5KB)
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2026.02.05
【Timely Disclosure】Q3 FY2025 Consolidated Financial Results Summary(PDF : 1MB)
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2026.02.05
Q3 FY2025 Earnings Presentation Slides (with FY2025 Outlook)(PDF : 873.8KB)