December 1, 2017
To: AllCompany
Mitsubishi Materials Corporation
Representative
Akira Takeuchi, President(Securities Code: 5711 on the First Section of the Tokyo Stock Exchange)
Nobuyuki Suzuki, General Manager, Corporate
Inquiries to:
Communications Dept., General Affairs Dept.
(TEL: 03-5252-5206)

Progress on Addressing Non-Conforming Products at MMC Subsidiaries
Mitsubishi Materials Corporation (“MMC”) sincerely apologizes for the difficulties that we havecaused to all concerned parties, including our customers and shareholders, in connection with Mitsubishi
Cable Industries, Ltd.’s (“MCI”) and Mitsubishi Shindoh Co., Ltd.’s (“MSC”) delivery of products thatdeviated from customer or internal specifications due to misconduct, including rewriting data. MCI andMSC are consolidated subsidiaries of MMC.
In addition to conducting an investigation into the facts relating to this matter, we are currently
notifying customers and confirming the safety of the products. We would like to report today theprogress that has been made to date in addressing these issues.
1.

Current status relating to customers

MCI and MSC have both completed notifying all potentially affected customers identified to date,
and will confirm the safety of the products diligently.
In addition, MCI has confirmed that all products shipped after November 27 were conforming
products.1
Also, in order to address customers in an appropriate and diligent manner, MCI’s management has
been changed. This has also been publicly announced by MCI.
With the cooperation of customers, we will continue to evaluate the safety of products and also
determine the cause of this matter and formulate preventive measures.
2.

Establishment of a special investigation committee at MMCEarlier today, our board of directors established a special investigation committee and has granted thiscommittee the authority, among other things, to conduct an investigation into the facts, causes and effects ofthis matter and formulate measures for the MMC group, including preventive measures.
A. Members
Mariko Tokuno
Hiroshi Watanabe
Kazuaki Takenaka
Naoki Ono

1

MMC
MMC
Japan Management
Association
MMC

Outside Director
Outside Director
Executive Vice
President
Director, Executive
Vice President

From November 24 to 26, Minoshima Works was closed and no seal products were shipped.

Jun NaganoMMCGeneral Manager,
Legal Dept. Corporate
Strategy Div.

Note: the committee chairman will be one of the outside directors.

B. Scope of investigation


3.

Issues at MCI
Issues at MSC
Our group governance system with respect to quality control
Other issues related to this matter that the special investigation committee determines arenecessary to investigate

Establishment of a Quality Management Department at MMC

In order to strengthen the quality management framework for our group as a whole, as of December 1,
2017, we newly created a Quality Management Department within our Technology Division. The QualityManagement Department will be dedicated to quality management matters.

4.

Future outlook

The impact of this matter on MMC’s financial results is currently unknown. We plan to make apublic announcement when the extent of the impact is known.
END
Direct any questions to:
Corporate Communications Dept., General Affairs Department, Mitsubishi Materials Corporation
TEL: 03-5252-5206
Corporate Administration & Personnel Section, Administrative Division, Mitsubishi Cable Industries,
Ltd.
TEL: 03-3216-1551
Corporate Administration & Personnel Division, Mitsubishi Shindoh Co., Ltd.
TEL: 03-6629-5850