NEWS RELEASE
July 20th, 2023

NIPPON KINZOKU Itabashi Plant Started
Operation of Wastewater Recovery Facility.
Full-scale Operation Started in July 2023, Contributing to the Realizationof a Sustainable Society.
- Approximately 60% Improvement in Wastewater Recovery Rate
Compared to Before Installation, Realizing Resource and Cost Savings NIPPON KINZOKU CO., LTD. (Headquarters: Minato-ku, Tokyo) have reached anagreement with the Tokyo Metropolitan Government regarding the plan to install newwastewater recovery facility utilizing the "support for water saving measures" following thetermination of the industrial water supply business of the Tokyo Metropolitan Government.
As a result, from March 2022, we have been improving the existing water treatment facility
at our Itabashi Plant (Itabashi-ku, Tokyo) and proceeding with the installation of newwastewater recovery facility. We announced that the construction work has been completed
and the related facilities *1 have started full operation from July 2023.
With the installation of the wastewater recovery facility, we expect to improve thewastewater recovery rate by about 60% compared to before the installation, and we willrealize resource saving and cost reduction. This facility was installed to contribute to therealization of a sustainable society in line with our vision of ‘NIPPON KINZOKU 2030’.

*1 Appearance of newly installed facility*2 Related SDGs

News release dated March 24, 2022
NIPPON KINZOKU Itabashi Plant will install wastewater recovery facility. (Japanese)
https://www.nipponkinzoku.co.jp/images/2022/03/c-63791-202203231564c8a557a1e8645167b7a911460d2ff0.pdf

Construction details
In this new construction work, the former hydrogen plant site (relocation to anotherlocation within the same plant was completed in December 2021) was effectively used, and(1) the existing water treatment facility was improved, and then (2) the wastewater
recovery facility was newly installed. As a result, we were able to successfully complete theconstruction after a period of about one year without affecting the operation of the plant.
In addition, in the subsequent test operation, it was confirmed that the performance(recovered water quality, recovery rate) verified in the preliminary trial for the installationof this facility was fully demonstrated in the actual facility, so full-scale operation started inJuly 2023.
We have already completed the switch from industrial water to clean water at the end of
2021. In the future, we will operate the wastewater recovery facility stably, promote thereuse of recovered water (estimating a 60% improvement in the wastewater recovery ratecompared to before installation), and promote the efficient operation of water resources.
Overview of Itabashi Plant
As a pioneer of stainless steel strips and special steel strips, we contribute to cutting-edge
manufacturing.
Main production items：Cold rolled stainless steel strips, Cold rolled special steel strips,
Electrical steel foils, Magnesium alloy foils
URL: https://www.nipponkinzoku.co.jp/en/
About the vision of the 11th management plan ‘NIPPON KINZOKU 2030’
Based on our vision “A multi & hybrid material company that co-creates new value that isfriendly to people and the earth”, and our environmental policy ‘Actively promote energy
saving, resource saving, and recycling to protect the limited resources of the earth’, ‘Aiming
to harmonize with the local community and create a business office that coexists with thelocal community’, we will continue to work to solve social issues through our business withthe aim of realizing a sustainable society.
Note: This document has been translated from a part of the Japanese original for reference
purposes only. In the event of any discrepancy between this translated document and theJapanese original, the original shall prevail.

*** Inquiries regarding this release ***Nippon Kinzoku CO., LTD. General Administration Dept.
Mail: soumu@nipponkinzoku.co.jp