Third party assurance

To enhance the credibility of the disclosed sustainability data, the Hitachi ESG Data Book 2025 received third-party assurance for environmental and social performance indicators by KPMG AZSA Sustainability Co., Ltd. in accordance with the International Standard on Assurance Engagements (ISAE) 3000 and 3410. The indicators that were assured are marked with a .

Performance Indicators Assured (Reporting Boundary : Hitachi Group)

• Energy inputs
• Greenhouse gas emissions Scope 1 (Energy-related CO₂ emissions, and GHG emissions other than energy-related CO₂)
• Greenhouse gas emission Scope 2 (Energy-related CO₂ emissions) *Calculated based on the market-based method.
• Greenhouse gas emission Scope 3 Category 11 (Use of sold products)
• Total water withdrawal, Total water effluents discharged, Water quality (Biochemical Oxygen Demand (BOD) and Chemical Oxygen Demand (COD))
• Number and ratio of women managers

The standards, guidelines, and calculation methods used in collecting environmental data are posted on our website.