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2026

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IR

Notice Regarding Change of Representative Directors and Officers (PDF: 242 KB)

Others

Establishment of the Japan-New Zealand Hydrogen Corridor

IR

FY2025 3rd Quarter : Summary of the Financial Results Briefing Conference (April 1, 2025 to December 31, 2025) (PDF: 170 KB)

Technologies

Japan's First On-Site PoC Test of a Hydrogen Fuel Cell-Powered Hydraulic Excavator at a Construction Site

IR

FY2025 3rd Quarter : Presentation on Financial Results With Notes (April 1, 2025 to December 31, 2025) (PDF: 1,111 KB)

IR

Notice Concerning Revisions to Full-Year Financial Results Forecasts and Dividend Forecasts (Dividend Increase) (PDF: 395 KB)

IR

FY2025 3rd Quarter : Presentation on Financial Results (April 1, 2025 to December 31, 2025) (PDF: 1,116 KB)

IR

FY2025 3rd Quarter : Supplementary Data on Financial Results (April 1, 2025 to December 31, 2025) (PDF: 293 KB)

IR

FY2025 3rd Quarter : Financial Results (April 1, 2025 to December 31, 2025) (PDF: 3,800 KB)

Sustainability

KingBridge Tower and Jamuna Railway Bridge Receive 4th OCAJI Project Awards

IR

Notice of Cancellation of Treasury Shares (PDF: 190 KB)

Others

[OBAYASHI GREEN×EXPO 2027] BACKSTAGE: Interview with the Project Team is Now Available

IR

Tour of Shin-Sasago Tunnel for institutional investors and analysts

IR

Obayashi Receives High Ratings from Three Major IR Website Evaluation Organizations for the Second Consecutive Year