Yi Weihua, male, born in 1982 , a Chinese citizen without permanent residency abroad. Mr. Yi graduated from East China Jiaotong University with a bachelor’s degree in electrical engineering and automation in July 2004 and graduated from Central South University with a master’s degree in business administration in November 2017. He is a senior engineer. From August 2004 to March 2010, he served as a process engineer in the engineering technical department of the Company’s manufacturing center. From March 2010 to July 2012, he served as the head of the engineering technical department of the Company’s manufacturing center. He served as deputy director and director of the pilot plant of the Company’s manufacturing centre from July 2012 to February 2016. From February 2016 to March 2017, he served as the deputy director of the rail transit technology centre and deputy director of the manufacturing centre of the Company. From March 2017 to April 2017, he served as the head of the operation management department of the Company. He served as the head of the operation management department and director of the Environmental Protection Office of the Company from April 2017 to February 2018. From February 2018 to March 2020, he served as the director of the Company’s manufacturing center. From March 2020 to October 2020, he served as the Company’s deputy chief economist and director of the manufacturing center. Mr. Yi has been the deputy general manager of the Company since 2 November 2020.