Sustainability

Editorial Policy of Sustainability Website

Editorial Policy

NGK has created a dedicated sustainability section on its corporate website in order to deliver information to a broad range of stakeholders in a timely manner concerning the NGK Group’s efforts to address sustainability issues for creating a sustainable society.

Target Organization

NGK and its related subsidiaries (both domestic and international).
A portion of the companies, etc. in our value chain.
We have appended the scope of application of data related to environmental, social, and governance.

In this report, NGK refers to NGK Insulators, Ltd., and the NGK Group includes our consolidated subsidiaries in Japan and overseas

Locations

Reporting Period and Disclosure Media

The reporting period for information on our website is from April 1, 2024 to March 31, 2025; however, information on new initiatives is updated as needed.
We have summarized the state of initiatives as of the end of August 2025 in our NGK Group Sustainability Website Data 2025 PDF.
Data related to environmental, social, governance is aggregated in our Environmental Data Collection, Social Data Collection, and Governance Data Collection, respectively.
We have also published the NGK Report 2025 to provide a more systematic understanding of the vision and corporate value of NGK and the NGK Group. It compiles our business strategies, financial information and non-financial information, so please refer to it as well.

Sustainability Data Collection (Environmental) (Social) (Governance)

NGK Integrated Report / NGK Sustainability Website Data

Publication

August 2025

Forward-Looking Statements

This website contains forward-looking statements including performance forecasts. These statements are based on information available at present and on certain assumptions judged to be rational. Actual results may differ due to a number of factors.

Guidelines Referenced

GRI Sustainability Reporting Standards
GRI Standards Content Index

ISO 26000 (Guidelines on Social Responsibility)
ISO 26000 Content Index

Task Force on Climate-Related Financial Disclosures (TCFD)
Information Disclosure Based on TCFD Recommendations

Taskforce on Nature-related Financial Disclosures (TNFD)
Information Disclosure Based on TNFD Recommendations

Third-Party Assurance

We have obtained third-party assurance for the “Company and its consolidate subsidiaries’ non-consolidated energy-origin CO2 emissions, Scope 1 (energy-origin CO2), Scope 2 (energy-origin CO2) and Scope 3 for FY2024” marked with on the NGK Group Sustainability Website Data 2025 (PDF).

NGK Sustainability Website Data 2025