Chairman of   the Board

Chang, Hsien-Ming

Male

Republic of   China

Chairman of   Yeong Guan Energy Technology Group Co., Ltd.

Vice   Chairman

Tsai,   Shu-Ken

Male

Republic of   China

Vice   Chairman of Yeong Guan Energy Technology Group Co., Ltd.

Director

Tsai, Chang-Hung

Male

Republic of   China

Chairman of   Yeong Guan group East China Region

Director

Lee,   Yi-Tsang

Male

Republic of   China

Chief   Strategy Officer of Yeong Guan Energy Technology Group Co., Ltd.

Director

Chang, Chun-Chi

Male

Republic of   China

General   Manager of Shanghai No. 1 Machine Tool Foundry (Su Zhou) Co., Ltd.

Director

Wu, Su-Chiu

Female

Republic of   China

General Manager   of Jiayuan Investment Co., Ltd.

Director

Sun, Jui-Chien

Female

Republic of   China

General   Manager of Sintong Machinery Co., Ltd.

Independent   Director

Wei,   Chia-Ming

Male

Republic of   China

Vice-President   of the Research and Development Center of the Metal Industry

Independent   Director

Chen,   Tian-Wen

Male

Republic of   China

Chairman of   Chia Shih Construction Co., Ltd.

Independent   Director

Chang,   Te-Wen

Male

Republic of   China

Director of   Ushi Certified Public Accountants

Independent   Director

Chan, Wen-Ying

Male

Republic of   China

Vice   Chairman of Jianhan Technology Co., Ltd.