The board of directors of Semiconductor Manufacturing International Corporation announced that Dr. Gao Yonggang the acting chairman of the Board an executive director, the chief financial officer and the company secretary of the Company has resigned as the Company Secretary with effect from 11 November 2021 in order to focus on discharging his duties as the Acting Chairman, the Executive Director and the CFO after the resignation as the Company Secretary. Ms. Guo Guangli and Ms. Hoo Mei Fung have been appointed as the joint company secretaries of the Company with effect from 11 November 2021. Ms. Guo, aged 52, has been appointed as the Board Secretary since 11 November 2020 and the vice president of the Company since 1 January 2021. Ms. Hoo, aged 57, joined the Company in June 2005 and is the director of board affairs office and compliance officer of the Group.