Notice regarding the company name change

January 8, 2026

We would like to inform you that our company will change its name as described below. We sincerely appreciate your continued support and patronage.

Details of the Change

Reason for the change

The NGK Group Vision presents the ideal vision for what we want to be as “A company to contribute to carbon neutrality and digital society with our unique ceramic technologies.” In order to realize this vision, the Company will change its trade name with the intention to accelerate its business structure transformation initiatives.
“NGK” is a trademark derived from the initials of “NIPPON GAISHI KAISHA”. It is used in the trade names of most consolidated subsidiaries and has long been widely recognized as the group brand both in Japan and overseas.
By unifying its name in both Japanese and English as “NGK”, we aim to enhance brand recognition and the entire NGK Group will work as one to create new products and businesses so that it can provide new value to society, while increasing engagement with stakeholders around the world, as it strives to grow “NGK” into an even stronger global brand.

Current and new trade name

Current trade name	NGK INSULATORS, LTD.
New trade name	NGK Corporation

Planned date of change

April 1, 2026

Change of corporate logo design

Symbol marks

The shape of the symbol expresses the new value created by the energy of NGK Group as well as the ambition towards our goals. Since “NGK” is widely recognized both domestically and internationally, it will remain in use as the symbol of the NGK Group brand. Furthermore, the color of the “NGK” logo will be changed from the previously used gray to the main color, blue.

Current	From April 2026

Company name logotype

We have unified the font to ensure consistency with the globally adopted “NGK” symbol mark.

Current	From April 2026

Related information

Notice Regarding Change in Trade Name (January 31, 2025)

The names of the group companies will not be changed.

There will be no changes to our address, telephone number, or website URL.

There may be instances where the current and new designs appear concurrently during transition period.