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Corporate Governance Report 2025 (PDF: 494 KB)

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Notice of Resolutions of the 121st Ordinary General Meeting of Shareholders (PDF: 90 KB)

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Notice Concerning the Status and the Completion of Acquisition of Own Shares (PDF: 193 KB)

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Disclosure of Engagement with Shareholders and Investors (April 2024 - March 2025) (PDF: 378 KB)

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Notice Concerning the Status of Acquisition of Own Shares (PDF: 189 KB)

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OBAYASHI CORPORATION's Opinion on the ISS Report (PDF: 456 KB)

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Notice of Convocation of the 121st Ordinary General Meeting of Shareholders (PDF: 762 KB)

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FY2024 4th Quarter : Summary of the Financial Results Briefing Conference (April 1, 2024 to March 31, 2025) (PDF: 171 KB)

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FY2024 4th Quarter : Presentation on Financial Results With Notes (April 1, 2024 to March 31, 2025) (PDF: 1,581 KB)

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Notice Concerning Dividends from Surplus (PDF: 96 KB)

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Financial Data Book (FY ended March 31, 2021 - FY ended March 31, 2025) (PDF: 322 KB)

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FY2024 4th Quarter : Presentation on Financial Results (April 1, 2024 to March 31, 2025) (PDF: 1,771 KB)

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FY2024 4th Quarter : Supplementary Data on Financial Results (April 1, 2024 to March 31, 2025) (PDF: 1,482 KB)

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[Summary] Consolidated Financial Results for the Fiscal Year Ended March 31, 2025 (Under Japanese GAAP) (PDF: 4,648 KB)

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Notice Concerning the Status of Acquisition of Own Shares (PDF: 88 KB)

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Notice Concerning Revision to Financial Results Forecasts (PDF: 100 KB)

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Notice Concerning the Status of Acquisition of Own Shares (PDF: 189 KB)

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Notice Concerning Succession of the Villa Site Management Business for the Obayashi Izu-Atagawa Villa Resort Sites to Angel Forest Resorts Co., Ltd. through a Company Split (PDF: 158 KB)

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ESG Briefing for Institutional Investors and Securities Analysts Held

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Notice Regarding Change of Representative Directors and Officers (PDF: 198 KB)

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Notice Concerning the Status of Acquisition of Own Shares (PDF: 143 KB)

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FY2024 3rd Quarter : Summary of the Financial Results Briefing Conference (April 1, 2024 to December 31, 2024) (PDF: 155 KB)

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FY2024 3rd Quarter : Presentation on Financial Results With Notes (April 1, 2024 to December 31, 2024) (PDF: 1,076 KB)

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Notice Concerning Establishment of Subsidiary (Sub-subsidiary) by Consolidated Subsidiary of Obayashi Corporation (PDF: 139 KB)

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Notice Concerning Determination of Matters Related to Acquisition of Own Shares (PDF: 140 KB)

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Notice Concerning Revision to Full-Year Financial Results Forecasts (PDF: 97 KB)

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FY2024 3rd Quarter : Presentation on Financial Results (April 1, 2024 to December 31, 2024) (PDF: 1,049 KB)

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FY2024 3rd Quarter : Supplementary Data on Financial Results (April 1, 2024 to December 31, 2024) (PDF: 202 KB)

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FY2024 3rd Quarter : Financial Results (April 1, 2024 to December 31, 2024) (PDF: 555 KB)

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Obayashi Receives High Ratings from Three Major IR Website Evaluation Organizations

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West Japan Robotics Center, Expo 2025 site and other facility tours held for institutional investors and analysts