

| April 1, 2007 Changes in Responsibility of Managing Operating Officer | |
| We would like to announce that we have made an organization change to our Sales and Marketing Department, Production Department as well as Technical Department effective from April 1, 2007. The arrangement was approved by the Board Meeting held at March 29, 2007. April 2007 Arisawa Manufacturing Co., Ltd. President and Chief Executive Officer: Sanji Arisawa Director and Senior Managing Operating Officer Masahide Iesaka (Tokyo Branch) Shared oversight of Display Materials Division In charge of Display Materials Division Shared oversight of Circuit Materials Division Shared oversight of Electrical Insulation & Composit Materials Division In charge of Electrical Insulation & Composit Materials Division Shared oversight of Tokyo and Osaka Branches Manager, Tokyo Branch Director and Senior Managing Operating Officer Yuichi Watanabe (Tokyo Branch) Shared oversight of Electronic Materials Division Director and Executive Managing Operating Officer Yukio Takashima (Head Office) Shared oversight of General Affairs Department Shared oversight of Production Engineering Department Shared oversight of Quality Assurance Department Shared oversight of Purchasing Department Director and Executive Managing Operating Officer Kenji Matsuhiro (Head Office) Shared oversight of Display Materials Technical Department Shared oversight of R&D Department Shared oversight of Strategic Technical Office Director and Executive Managing Operating Officer Takashi Miwa (Head Office) Shared oversight of Electronic Materials Technical Department Shared oversight of Electronic Materials Service Engineering Department Shared oversight of Electronic Materials Manufacturing Engineering Department Shared oversight of Composite Materials Technical Department Director and Executive Managing Operating Officer Tetsuro Iizuka (Head Office) Shared oversight of Management Planning Department In charge of Management Planning Department Shared oversight of Personnel Department Managing Operating Officer Takashi Yoshida (Head Office) Shared oversight of Production Department Shared oversight of Production Innovation Office In charge of Production Department Managing Operating Officer Kaoru Yano (Osaka Branch) Manager, Osaka Branch Managing Operating Officer Tsutomu Nakazawa (Head Office) In charge of Purchasing Department |
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| Changes in Responsibility of Managing Operating Officer (PDF 14K) | |



