The board of directors of BII Railway Transportation Technology Holdings Company Limited announced that with effect from 30 November 2022, Mr. Zhang Yanyou ("Mr. Zhang") has resigned as a non-executive Director in order to devote more time on his other commitments. As a result of his resignation, Mr. Zhang ceased to be (i) the chairman of the Board (the "Chairman"); (ii) the chairman of the nomination committee of the Board (the "Nomination Committee"); and (iii) the chairman of the environmental, social and governance committee of the Board (the "ESG Committee"). Following the resignation of Mr. Zhang, Mr. Guan Jifa ("Mr. Guan") has been appointed as
(i) the Chairman; (ii) the chairman of the Nomination Committee; and (iii) the chairman of the ESG Committee with effect from 30 November 2022. Mr. Guan Jifa, aged 57, was appointed as a non-executive Director on 28 October 2015. He was also appointed as the Chairman and the chairman of the Nomination Committee from 28 February 2017 to 14 December 2018. Since 30 March 2020, he has been appointed as a member of the remuneration committee of the Board. Mr. Guan graduated from Xi'an Institute of Metallurgy and Architecture (currently known as Xi'an University of Architecture and Technology) with a bachelor's degree in engineering in July 1987. He had taken a post-graduate course in the International Business School at the University of International Business and Economics from March 2002 to August 2004. He obtained a doctorate's degree in engineering from Xi'an University of Architecture and Technology in December 2008. In September 1999, Mr. Guan obtained an engineer qualification certificate and was qualified as a senior engineer approved by Beijing Senior Specialised Technique Qualification Assessment Committee. In July 2019, Mr. Guan obtained the qualifications of senior economist issued by Beijing Senior Professional and Technical Qualification Assessment Committee. The Board further announced that Mr. Liu Yu has been appointed as an executive Director with effect from 30 November 2022. Mr. Liu Yu, aged 48, obtained a master's degree in transportation planning and management from Beijing University of Technology in June 2008 and was qualified as a senior engineer. He joined the Group in May 2013 and has been appointed as the vice president of the Group since July 2014. From July 2005 to May 2013, Mr. Liu served as a manager of the Traffic Control Centre ("TCC") project department, head of TCC technical workshop, deputy director of technical engineering department, manager of information centre project department and deputy chief engineer of Beijing Metro Network
Administration Co. Ltd. He also served as a director and vice general manager of BII Zhongfu Technology Company Limited(a direct wholly-owned subsidiary of the Company) from August 2019 to February 2021, the general manager of BII Transportation Technology (Beijing) Co. Ltd. from February 2019 to November 2021 and the chairman of the board of directors of Litmus Technologies (Beijing) Co. Ltd. from December 2019 to December 2021.