Cao Weichen, male, born in 1983, a Chinese citizen without permanent residency abroad. Mr. Cao graduated from Hunan University of Technology with a bachelor’s degree in English in June 2007 and graduated from Hunan University with a master’s degree in software engineering in December 2017. He is an assistant translator. From August 2007 to June 2011, he served as the intellectual property specialist of the Technology Management Department of the Company. From June 2011 to November 2011, he served as the sales manager of the second sales department of the Company’s EMU business department. From November 2011 to June 2013, he served as the sales manager of the first sales department of the Company’s EMU business department. From June 2013 to January 2014, he served as the head of the second sales department of the Company’s EMU business department. From January 2014 to April 2015, he served as the head of the EMU marketing department of the Company’s railway business department. From April 2015 to January 2016, he served as the deputy general manager (intercity market) of the Company’s railway business department. From January 2016 to January 2019, he served as deputy director of the General Manager’s Office of CRRC ZELRI. From January 2019 to March 2020, he served as director of the General Manager’s Office of CRRC ZELRI. From March 2020 to October 2020, he served as the general manager of the Company’s urban rail business department. Mr. Cao has been the deputy general manager of the Company since 2 November 2020.