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.
Reporting Boundary
NGK and its consolidated subsidiaries in Japan and overseas.
- Some data also covers companies involved in our business activities, such as business partners and affiliates.
- The scope of each numerical data item is indicated separately.
In this report, “NGK” refers to NGK Corporation, and “NGK Group” includes its consolidated subsidiaries in Japan and overseas.
Reporting Period and Disclosure Media
The reporting period for information on our website is from April 1, 2025 to March 31, 2026. We also update information on new initiatives as needed.
We have summarized the status of our initiatives as of the end of August 2026 in a PDF titled “NGK Group Sustainability Website Data 2026.” Detailed data is compiled in our Environmental Data Collection, Social Data Collection, and Governance Data Collection, respectively.
We have also published the integrated report, “NGK Report 2026,” to provide a more systematic understanding of our business strategies and financial and non-financial information, so please refer to it as well.
Third-Party Assurance
We have obtained third-party assurance for the FY2025 CO2 emissions from energy sources, Scope 1, Scope 2, and Scope 3, for our consolidated production sites and for NGK Corporation on a non-consolidated basis, as presented in “NGK Group Sustainability Website Data 2026 (PDF).”
Publication
September 2026
Positioning of Corporate Media
Forward-Looking Statements
The forward-looking statements on this website, including performance forecasts, are based on information currently available to us and on certain assumptions that we judge to be reasonable.
Actual results may differ from these statements due to various factors.
Guidelines Referenced
GRI Sustainability Reporting Standards
ISO 26000 (Guidelines on Social Responsibility)
Task Force on Climate-Related Financial Disclosures (TCFD)
Taskforce on Nature-related Financial Disclosures (TNFD)