Capital: Yen 16,967 Million
Sales of: Manufacture and processing of silicon wafers

6-861-5, Seiro-machi Higashiko, Kitakanbara-gun, Niigata Prefecture 957-0197, Japan
TEL+81-25-256-3200
FAX+81-25-256-1148

Note: As of March 29, 2012, Covalent Silicon Corporation is no longer subsidiaries of Covalent Materials, due to Covalent Material's transfer of its silicon wafer business.

Capital: Yen 1,600 million
Manufacture and sales of quartz glass products

2-1-32, Eguchi, Shunan City, Yamaguchi Prefecture 745-0862, Japan
TEL+81-834-32-3400
FAX+81-834-32-3403

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Capital: Yen 1,330 million
Sales of: Manufacture and processing of fused silica powder

296, Kawatana-cho Momozugo, Higashisonogi-gun, Nagasaki Prefecture 859-3605, Japan
TEL+81-956-82-3111
FAX+81-956-82-3111

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Capital: Yen 866 Million
Sales of: Manufacture and processing of silicon wafers

278, Tatsutashin Oaza, Sekikawa-mura, Iwafune-gun, Niigata Prefecture 959-3271, Japan
TEL+81-254-64-0254
FAX+81-254-64-0253

Note: As of March 29, 2012, Covalent Materials Sekikawa is no longer subsidiaries of Covalent Materials, due to Covalent Material's transfer of its silicon wafer business.

Capital: Yen 80 million
Cinema projection systems

Nihonbashi IP Bldg. 13-3, Nihonbashikobunecho, Chuoh-ku, Tokyo 103-0024, Japan
TEL+81-3-3662-3371
FAX+81-3-3662-3375

Capital: Yen 104 million
Sales of: Manufacture of refractories

308-1, Shidare-cho Yosibora, Toyota City, Aichi Prefecture 470-0308, Japan
TEL+81-565-45-0611
FAX+81-565-45-8066

Capital: Yen 85 million
Sales of: Planning, production, repair and sales of machinery and electric equipment

378, Oguni-machi Oaza, Oguni-machi, Nishiokitamagun, Yamagata Prefecture 999-1351, Japan
TEL+81-238-62-5942
FAX+81-238-62-5193

Capital: US$ 2.0 million
Sales of quartz glass products and Ceramics Products

2010 N. 1st Street, Suite 400, San Jose, California 95131-2018, U.S.A.
TEL+1-408-467-0515
FAX+1-408-467-0510

Capital: Won 102 million
Sales of quartz glass products and ceramics Products

RM 1505, Hibrand Bldg. 215, YangJae-dong, Seocho-ku, Seoul, Korea
TEL+82- (0)2-2155-2225
FAX+82- (0)2-2155-2226

Capital: Euro 300,000
Sales of quartz glass products and ceramics products

Herzog-Heinrich-Strasse 11, 80336 Munich, Germany
TEL+49 (0)89 55 14 19 0
FAX+49 (0)89 55 14 19 40

Capital: NT$ 7.5 million
Sales of ceramics products

8F-2, No.289, Sec. 2, Kuang Fu Rd, Hsinchu, Taiwan
TEL+886- (0)3-575-1238
FAX+886- (0)3-575-1633