The board of directors of Shanghai Pioneer Holding Ltd. announced that, with effect from the date of this announcement, Mr. Xiao Guoguang has resigned as an executive Director due to health reasons. The Board also announced that, with effect from the date of this announcement, Mr. Zhang Quan has been appointed as an executive Director. Zhang Quan, aged 60, is the general manager of the dental business division of the Group.

Mr. Zhang started cooperation with the Group as a consultant of the dental business division in March 2020, and worked as the regional sales manager of the dental business division of the Group since March 2021. He was appointed as the general manager of the dental business division of the Group on 30 August 2021, in charge of the marketing and sales of Ivoclar Vivadent Zenostar (WIELAND ZENOSTAR) and Korea's DMAX series zirconia products, of which the dental business division is the agent. Mr. Zhang has been in the sales of dental-related materials since 1993, and from 1994 to 2020, he worked for Dentsply Dental (Tianjin) Trading Co., LTD, Soundwatch (Siemens) Hearing Services LTD, Sirona Dental Systems (Shanghai) Trading Co., LTD and Ivoclar Vivadent (Shanghai) Trading Co., LTD, having nearly 30 years of marketing/sales experience in dental business.

Mr. Zhang graduated from Beijing Institute of Civil Engineering and Architecture with a major in Industrial and Civil Architecture in June 1986.