Mr. WAN Tao (万滔先生), aged 35, joined our Group in May 2011 and is currently the Board secretary, Joint Company Secretary and general office manager of our Company. He was appointed as our Board secretary in May 2018 and our joint company secretary on 20 May 2019. Mr. WAN was the secretary and archivist and project statistician of Erdao Division of our controlling shareholder, Chuncheng Investment, from May 2011 to October 2012 and from October 2012 to May 2013, respectively, mainly responsible for news publication and

preparing plans for heat production. He then worked as communications officer for the party branch at Changchun Heating Group from May 2013 to May 2015, mainly responsible for publications and media communications; deputy head of fuel management of Changchun Heating Group from May 2015 to May 2017, mainly responsible for securing coal supply for heat production; deputy director of office from May 2017 to May 2018, mainly responsible for management of the office. Mr. WAN has been the Board secretary and director of office of our Company since May 2018 responsible for organizing board meetings, shareholders’ meetings, supervisors’ committee preparation of documents and handling affairs in relation to our Group.

Mr. WAN graduated with a Bachelor of Arts degree with a major in Russian language from Beijing Normal University (北京师范大学) in Beijing, the PRC, in July 2009. He obtained board secretary qualification certificate from the Shanghai Stock Exchange (上海证券交易所) having completed training and exams in December 2017 and obtained secretary qualification certificate from the Shenzhen Stock Exchange (深圳证券交易所) in April 2021.