[Note: This is a translation from the Japanese original Notice of the Resolutions of the 90th Ordinary
General Meeting of Shareholders of Mitsubishi Materials Corporation prepared for the convenience ofshareholders outside Japan. In the case of any discrepancy between the translation and the Japaneseoriginal, the latter shall prevail.]

Stock Code: 5711
June 26, 2015

To Our Shareholders:

Akira Takeuchi, President and Director
Mitsubishi Materials Corporation
3-2, Otemachi 1-chome, Chiyoda-ku, TokyoNOTICE OF THE RESOLUTIONSOFTHE 90TH ORDINARY GENERAL MEETING OF SHAREHOLDERS

We would like to notify you that reports and resolutions as described below were made at the 90thOrdinary General Meeting of Shareholders of Mitsubishi Materials Corporation (the ‘‘Company’’) which
was held today.
Yours truly,Details
Place: Fuyo, The Main Banquet Floor
Hotel New Otani
4-1 Kioicho, Chiyoda-ku, Tokyo, Japan
Date: June 26, 2015
Opening Time: 10:00 a.m.
Closing Time: 11:41 a.m.
Number of Shareholders attended: 1,012

Matters Reported:
1. Reports on the business reports, consolidated financial statements and audit results of the consolidated
financial statements by the Accounting Auditors and the Audit & Supervisory Board for the 90th fiscalyear (April 1, 2014 to March 31, 2015).
Reports on outlines of the above business reports of consolidated financial statements and audit resultsthereof have been made.
2. Reports on the financial statements for the 90th fiscal year (April 1, 2014 to March 31, 2015).
Reports on outlines of the above financial statements have been made.

You can see the Company's balance sheets and statement of operations in the Company's annual securities
report disclosed at the following website of EDINET (electronic corporate disclosure system under theFinancial Instruments and Exchange Act for reports concerning negotiable securities operated by Financial
Services Agency of Japan).

Address of EDINET: http://disclosure.edinet-fsa.go.jp/ (Japanese language only)

Matters Resolved:

First Item of Business: Partial Amendment to the Articles of Incorporation
This item of business was approved as originally proposed. The Articles of Incorporation wereamended to allow the Company to enter into agreement with Directors who are not Executive
Directors, etc. and Audit & Supervisory Board Members to limit their liabilities, and theprovisions in the cited sections were renumbered.

Second Item of Business: Election of Nine (9) Directors
This item of business was approved as originally proposed. Hiroshi Yao, Akira Takeuchi,Toshinori Kato, Akio Hamaji, Osamu Iida, Naoki Ono, and Yukio Okamoto were reelected, while
Nobuo Shibano and Takashi Matsumoto were newly elected, as Directors. All of them assumed
offices.
Yukio Okamoto and Takashi Matsumoto are Outside Directors.

The results of voting rights exercised on the above items of business will be disclosed after final counting
at the following website of EDINET in the form of Extraordinary Report.

Address of EDINET: http://disclosure.edinet-fsa.go.jp/ (Japanese language only)-----------------------------------------------------------------------------------------------------------------Payment of Year-end Dividend
It was decided at a meeting of the Board of Directors held on May 12, 2015 to pay a year-end dividend of¥5.00 per share. Relevant documents were sent to our shareholders on May 29, 2015.
(As to the shareholders with voting rights, these documents were sent with the NOTICE OF THE 90TH
ORDINARY GENERAL MEETING OF SHAREHOLDERS.)