Acquisition of ISO 14001 Certification (list of companies with ISO 14001 certification) (as of March 31, 2016)

■ Sumitomo Electric Industries, Ltd. and domestic affiliates ■ Overseas affiliates of Sumitomo Electric Industries, Ltd.

Certified Site Acquisition Date Prefecture Certified Site Acquisition Date Prefecture

Sumitomo Electric Industries, Ltd., Yokohama Works (Note 1) February 1999 Kanagawa Sumi-Pac Corporation February 1999 Taiwan Sumitomo Electric Industries, Ltd., Osaka Works (Note 2) March 2000 Osaka First Sumiden Circuits,Inc. January 2000 Philippines Sumitomo Electric Industries, Ltd., Itami Works (Note 3) September 2000 Hyogo Sumitomo Electric Interconnect Products (M) Sdn.Bhd. July 2000 Malaysia

(Note 1) Certified Affiliates located inside Yokohama Works Sumitomo Electric Wintec (Wuxi) Co., Ltd. March 2001 China - SEI Optifrontier Co., Ltd., Headquarters and Yokohama Works Sumitomo Electric Sintered Components (Thailand) Co., Ltd. October 2001 Thailand - Sumitomo Electric Device Innovations, Inc., Headquarters January 2002 Hungary (Note 2) Certified Affiliates located inside Osaka Works SEI Interconnect Products (Hungary), KFT. - J-Power Systems Corporation, Osaka Works Engineered Sintered Components Company December 2002 USA - Sumitomo Electric System Solutions Co., Ltd., Konohana Works Sumiden Powder Metallurgy (Wuxi) Co., Ltd. June 2003 China (Note 3) Certified Affiliates located inside Itami Works - Axismateria Ltd. - A.L.M.T. TECH Inc., Itami Works Sumitomo Electric Sintered Components (M) Sdn.Bhd. July 2003 Malaysia - Sumiden Semiconductor Materials Co., Ltd., Itami Plant Sumitomo Electric Interconnect Products (Shanghai), Ltd. October 2003 China - Sumitomo Electric Sintered Alloy, Ltd., Itami Plant - Sumitomo (SEI) Steel Wire Corp. - Sumitomo Electric Hardmetal Corp. Sumitomo Electric Wintec (Malaysia) Sdn. Bhd. February 2004 Malaysia ※ Certified Affiliates located inside multiple sites Sumitomo Electric Interconnect Products (Suzhou), Ltd. April 2004 China - SEI Business Creates, Inc. - SEI Professional Staffs Inc. - SEI Loginet Co., Ltd. - Sumitomo Electric Information Systems Co., Ltd. SUMIDEN INTERNATIONAL TRADING (SINGAPORE) PTE. LTD. April 2004 Singapore - Sumitomo Electric Intellectual Property & Technology Center, Ltd. PT. Sumitomo Electric Wintec Indonesia June 2004 Indonesia - Sumitomo Electric Technical Solutions, Inc. Sumitomo Electric Wintec (Thailand) Co., Ltd. November 2004 Thailand

Certified Site Acquisition Date Prefecture SUMIDEN INTERNATIONAL TRADING (SHANGHAI) CO., LTD. February 2005 China Zhongshan Sumiden Hybrid Products Co., Ltd. March 2005 China J-Power Systems Corporation Hitachi Works March 1997 Ibaraki Sumitomo Electric Interconnect Products (Hong Kong),Ltd. March 2005 China Sumitomo Electric Fine Polymer, Inc. February 1998 Osaka Sumitomo Electric Sintered Components (Germany) GmbH April 2005 Germany Sumitomo Electric Device Innovations, Inc. Yamanashi Plant August 1998 Yamanashi SUMIDEN INTERNATIONAL TRADING (H. K. ) CO., LTD. August 2005 China Kanto Works November 1998 Tochigi Sumitomo (SEI) Electronic Wire, Inc Sumiden Electoronic Materials (M) Sdn. Bhd. January 2006 Malaysia Hachinohe Works December 2003 Aomori ＰＴ. Ｓｕｍｉｄｅｎ Ｓｅｒａｓｉ Ｗｉｒｅ Ｐｒｏｄｕｃｔｓ February 2006 Indonesia Sumitomo Electric Toyama Co., Ltd. December 1999 Toyama JUDD Wire, Inc. April 2006 USA Saitama Works Saitama A.L.M.T.(Thailand) Co., Ltd. April 2006 Thailand SEI Optifrontier Co., Ltd. Shonan Works February 2000 Kanagawa Sumitomo Electric Interconnect Products (Shenzhen),Ltd. November 2006 China Suwa Works Nagano SD Vietnam Industries Limited November 2006 Vietnam Japan Communication Accessories Head Office and March 2000 Aichi Manufacturing Co., Ltd. Komaki Plant A.L.M.T. Diamond Dies (SUZHOU) Co., Ltd. July 2007 China Suzhou Sumiden Electronic Materials Co,. Ltd. December 2007 China Sumiden Opcom, Ltd. July 2000 Kanagawa Sumitomo Electric Semiconductor Materials, Inc. April 2008 USA Sakata Works July 2000 Yamagata A.L.M.T. TECH Inc. SUMIDEN INTERNATIONAL TRADING (THAILAND) CO., LTD. April 2008 Thailand Toyama Works September 2004 Toyama Sumitomo Electric Photo-Electronics Components (Suzhou), Ltd. August 2008 China Harima Works September 2000 Hyogo A.L.M.T. DIAMOND Corp. Sumitomo Electric Fine Polymer (Suzhou) Ltd. September 2008 China Shizuoka Works August 2007 Shizuoka SEI Electronics Materials Ltd. October 2008 Taiwan Head Office and Sumitomo Electric Sintered Alloy, Ltd. November 2000 Okayama Okayama Plant Chengdu Liang Hong Molybdenum Co., Ltd. March 2009 China Sumitomo Electric Hardmetal Manufacturing (Thailand), Ltd. April 2009 Thailand Shigaraki Works December 2000 Shiga Sumitomo Electric Wintec, Inc. ＰＴ. ＳUMI INDO KABEL Tbk. May 2010 Indonesia Taguchi Works January 2004 Niigata Sumitomo Electric Interconnect Products, Inc. October 2010 USA Sumiden Shoji Co., Ltd. June 2002 Osaka, etc. Sumitomo Electric Interconnect Products (Vietnam), Ltd. January 2011 Vietnam Minakuchi Works Sumitomo Electric Printed Circuits, Inc. September 2003 Shiga Sumiden Device Innovations Vietnam Co., Ltd. February 2012 Vietnam Ishibe Works Sumitomo Electric Hartmetallfabrik GmbH. June 2013 Germany Awaji Diamond Industrial Co., Ltd. September 2003 Hyogo SEI Electronic Components (Vietnam), Ltd. August 2013 Vietnam Kiyohara Sumiden, Ltd. October 2003 Tochigi SEI Interconnect Products (Thailand) Ltd. November 2013 Thailand Head Office and Plant February 2004 Osaka Sunray Reinetsu Co., Ltd. Sumiden Steel Wire (Thailand) Co., Ltd. September 2015 Thailand Tokyo Branch Office August 2006 Tokyo Hoshi Industries Co., Ltd. March 2004 Osaka Daikoku Electric Wire Co., Ltd. Kurobane Factory September 2004 Tochigi A.L.M.T. Corp. Toyama Works September 2004 Toyama A.L.M.T. TUNGSTEN Corp. Toyama Works September 2004 Toyama

Head Office and Sumiden Semiconductor Materials Co., Ltd. December 2004 Hyogo Kobe Plant

Gokoh Shoji Co., Ltd. December 2005 Osaka, etc. Maebashi Plant April 2006 Gunma Sumiden Fine Conductors Co., Ltd. Himejima Plant April 2011 Osaka Neyagawa Plant Kyushu Sumiden Seimitsu Ltd. June 2006 Saga Hokkaido Sumiden Precision Co., Ltd. July 2006 Hokkaido Sumiden Transmission and Head Office and Itami Works Hyogo December 2006 Distribution System Products, Ltd. Tokyo Office Tokyo Sumiden Sizai Kakou Co., Ltd. Head Office and Osaka Office December 2007 Osaka Sumitomo Electric Tochigi Co., Ltd. December 2007 Tochigi Tokai Sumiden Precision Co., Ltd. June 2008 Mie Misawa Trading Co., Ltd. Head Office September 2009 Osaka Acquisition of ISO 14001 Certification (list of companies with ISO 14001 certification) (as of March 31, 2016)

■ Sumitomo Wiring Systems, Ltd. and domestic affiliates ■ Overseas affiliates of Sumitomo Wiring Systems, Ltd.

Certified Site Acquisition Date Prefecture Certified Site Acquisition Date Prefecture

Sumitomo Wiring Systems, Ltd. October 1997 Mie, etc. Sumitomo Electric Wiring Systems (Thailand) Ltd. December 2001 Thailand Sumidenso Platech, Ltd. September 2000 Shizuoka Sumidenso do Brasil Industrias Eletricas Ltda. June 2002 Brazil SWS West Japan, Ltd. November 2000 Mie, etc. International Wiring Systems(Phils.) Corporation July 2002 Philippines SWS East Japan, Ltd. November 2001 Iwate, etc. Conductores Technologicos de Juarez, S.A. de C.V. February 2003 Mexico Chuetsu Sumidenso, Ltd. September 2007 Niigata SEWS Romania S.R.L. July 2003 Romania Sumitomo Electric Wiring Systems, Inc. September 2003 USA ※ Certified Affiliates located inside multiple sites SEWS-CABIND Poland Sp. Zo.o. February 2004 Poland - SEI Loginet Co., Ltd. - SWS Management Support, Ltd. SEWS-CABIND Maroc S.A.S. February 2004 Morocco - S.D. Engineering, Ltd. SUMI-HANEL Wiring Systems Co., Ltd. June 2004 Vietnam - AutoNetworks Technologies, Ltd. Huizhou Zhurun Wiring Systems Co., Ltd. June 2004 China - Sumidenso Service, Ltd. - Sumitomo Electric Information Systems Co., Ltd. Autosistemas de Torreon S.A. de C.V. July 2004 Mexico Sumidenso Mediatech Suzhou Co., Ltd. July 2004 China Tianjin Jin-Zhu Wiring Systems Co., Ltd. July 2004 China SEWS-COMPONENTS (Thailand)LTD. November 2004 Thailand PT. Sumi Indo Wiring Systems November 2005 Indonesia Sumidenso Vietnam Co., Ltd. March 2006 Vietnam SEWS-Automotive Wire Hungary Ltd. May 2006 Hungary Sumidenso Mediatech (Huizhou)Ltd. May 2006 China PILIPINAS KYOHRITSU INC. December 2006 Philippines HuiZhou Sumiden Wiring Systems Co., Ltd. September 2007 China SEWS COMPONENTS (HUIZHOU),LIMITED March 2008 China Wuhan Sumiden Wiring Systems Co., Ltd. September 2008 China Fuzhou Zhu Wiring Systems Co., Ltd. November 2008 China SEWS-Maroc SARL January 2009 Morocco Suzhou Sumiden Automotive Wire Co., Ltd April 2009 China SEWS Hungary Wiring Harness, Ltd. November 2009 Hungary SEWS South Africa Pty. Ltd. November 2009 South Africa International Electric Wires Phils. Corp. December 2009 Philippines Huizhou Zhurun Automotive Wire Co.,Ltd. February 2010 China Suzhou Bordnetze Electrical Systems Ltd. April 2010 China SE Wiring Systems Egypt S.A.E July 2010 Egypt Sumiden Vietnam Automotive Wire Co., Ltd. March 2011 Vietnam SE Bordnetze S.R.L April 2011 Romania SE Bordnetze-Bulgaria EOOD December 2011 Bulgaria Sumidenso da Amazonia Industrias Eletricas Ltda. August 2012 Brazil SEWS Components and Electronics Europe Ltd. February 2013 Hungary SE Bordnetze-Mexico S.A. de C.V. February 2014 Mexico Sumi Vietnam Wiring System Co., Ltd. August 2014 Vietnam Jiang Xi Wiring Systems Co.,Ltd. January 2015 China SEWS-Components Changshu, Ltd. April 2015 China