The board of directors of Semiconductor Manufacturing International Corporation announced that Dr. Gao Yonggang ("Dr. Gao"), the acting chairman of the Board (the "Acting Chairman"), has been appointed by the Board as the chairman of the Board (the "Chairman"), with effect from 17 March 2022. Dr. Gao Yonggang was appointed as the Acting Chairman on 3 September 2021. Dr. Zhou Zixue ("Dr. Zhou"), has resigned as an executive Director with effect from 17 March 2022 due to health reasons.

Following Dr. Zhou's resignation as an executive Director, he ceased to act as one of the authorised representatives of the Company under Rule 3.05 of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the "Hong Kong Listing Rules"). The Board announces that Dr. Zhao Haijun, an executive Director, has been appointed as one of the authorised representatives of the Company under Rule 3.05 of the Hong Kong Listing Rules with effect from 17 March 2022.