INFORMATION

Consolidated Financial Results for the Six Months Ended September 30, 2025

FINANCIAL REVIEW 2025

HAZAMA ANDO and NTT Launch Key Initiative to Promote Remote and Automated Construction Work Control for Tunnels Using IOWN Technology
－Aiming to dramatically improve safety and productivity by defining use cases for remote construction work control over a distance of 1,000 km－

Consolidated Financial Results for the Three Months Ended June 30, 2025

Notice of the Resolutions at the Annual General Meeting of Shareholders for the FYE March 31, 2025

Corporate Governance Report

Announcement of Changes to the Contents of the Notice of the Annual General Meeting of Shareholders for the FYE March 31, 2025

Notice of the Annual General Meeting of Shareholders for the FYE March 31, 2025

[Reference] Progress in Reducing Strategic Shareholdings

FY3/25（Fiscal 2024）Financial Results（April 1, 2024 to March 31, 2025）

Corporate Governance Report

FACT BOOK 2025

Consolidated Financial Results for the Fiscal Year Ended March 31, 2025

Notice Regarding Revisions to Full-Year Financial Forecasts for the Fiscal Year Ended March 31, 2025

Entry into the Grid Storage Battery Business in Nakatsugawa City, Gifu Prefecture Deploying Knowledge of Aggregation in Europe to Domestic Business

Consolidated Financial Results for the Nine Months Ended December 31, 2024

Notice Regarding Revisions to Full-Year Financial Forecasts and Revision (Increase) of Dividend Forecast for the Fiscal Year Ending March 31, 2025

Notice Regarding Organizational Reforms

Notice Concerning Election of Board Directors and Change of Executive Officers

Notice Concerning Renewal of the Company’s Greenhouse Gas Emissions Target in an Effort to Limit Global Warming to Below 1.5 Degrees Celsius and the Reacquisition of SBT Certification