Baotek Industrial Materials Ltd. announced executive changes. Title and name of the previous position holder: Previous directors: Representative of Nitto Boseki Co. Ltd.¡GHayashi Hisanobu Representative of Nitto Boseki Co.

Ltd.¡GIgarashi Kazuhiko Representative of Nitto Boseki Co. Ltd.¡GKajita Akimasa, Representative of Nitto Boseki Co. Ltd.¡GYoshida Kohich, Representative of Nitto Boseki Co.

Ltd.¡GShigeoka So, Representative of Nitto Boseki Co. Ltd.¡GKajikawa Hiroki, Representative of Nitto Boseki Co. Ltd.¡GLiu, Chun-Chen, Representative of Wecktech Biotech Co.

Ltd.¡GKo, Charng-Chyi, Wang, Cheng-Hsiung Previous independent directors¡G, Independent Director¡GChang, Chih-Liang, Independent Director¡GYang,Yan-Shou, Independent Director¡GWang, Chia-Nan. Resume of the previous position holder: Previous directors: Hayashi Hisanobu¡G Executive director of Nitto Boseki Co. Ltd., Igarashi Kazuhiko¡GManaging Executive officer of Nitto Boseki Co.

Ltd., Kajita Akimasa¡GExecutive director of Nitto Boseki Co. Ltd., Yoshida Kohichi¡GPresident of Baotek Industrial Materials Ltd., Shigeoka So¡GAssistant Vice President of Baotek Industrial Materials Ltd., Kajikawa Hiroki¡GExecutive director of Nitto Boseki Co. Ltd., Liu, Chun-Chen¡GVice President of Baotek Industrial Materials Ltd., Ko, Charng-Chyi¡GChairman of Taiwan Biotech Co.

Ltd., Wang, Cheng-Hsiung¡GChairman of Lien Chieh Machinery Co. Ltd. Previous independent directors¡G, Chang, Chih-Liang¡GGenearl manager and deputy chairman of Daiwa-Cathay Capital Markets Co. Ltd., Yang,Yan-Shou¡GAttorney of HI Law Firm., Wang, Chia-Nan¡GIndependent director of Forward Electronics Co.

Ltd. Title and name of the new position holder: Newly-appointed directors¡G Representative of Nitto Boseki Co. Ltd.¡GHayashi Hisanobu, Representative of Nitto Boseki Co. Ltd.¡GYoshida Kohichi, Representative of Nitto Boseki Co.

Ltd.¡GShigeoka So, Representative of Nitto Boseki Co. Ltd.¡GLiu, Chun-Chen Newly- appointed independent directors¡G Chang, Chih-Liang, Yang, Yan-Shou, Wang, Chia-Nan. Resume of the new position holder: Newly-appointed directors¡G Hayashi Hisanobu¡G Executive director of Nitto Boseki Co.

Ltd., Yoshida Kohichi¡GPresident of Baotek Industrial Materials Ltd., Shigeoka So¡GDirector of Nittobo Techno Co. Ltd., Liu, Chun-Chen¡GVice President of Baotek Industrial Materials Ltd. Newly- appointed independent directors¡G Chang, Chih-Liang¡GGenearl manager and deputy chairman of Daiwa-Cathay Capital Markets Co. Ltd., Yang,Yan-Shou¡GAttorney of HI Law Firm., Wang, Chia-Nan¡GIndependent director of Forward Electronics Co.

Ltd. Effective date of the new appointment is June 17, 2022.