Semiconductor Manufacturing International : Notification of Approval of the Publication of 2020 Annual Results by the Board

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SEMICONDUCTOR MANUFACTURING INTERNATIONAL CORPORATION 中芯國際集成電路製造有限公司*

(Incorporated in the Cayman Islands with limited liability)

(Stock Code: 981)

Notification of Approval of the Publication of 2020 Annual Results by the Board

Pursuant to Rule 13.43 of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited, Semiconductor Manufacturing International Corporation (the "Company") hereby announces that the board of directors of the Company will consider on Wednesday, 31 March 2021, among other things, the approval of the publication of the announcement of the Company's audited annual results for the year ended 31 December 2020.

By order of the Board

Semiconductor Manufacturing International Corporation

Gao Yonggang

Executive Director, Chief Financial Officer and Company Secretary

Shanghai, PRC, 10 March 2021

As at the date of this announcement, the directors of the Company are:

Executive Directors

ZHOU Zixue (Chairman)

CHIANG Shang-Yi (Vice Chairman) ZHAO Haijun (Co-Chief Executive Officer) LIANG Mong Song (Co-Chief Executive Officer)

GAO Yonggang (Chief Financial Officer and Company Secretary)

Non-executive Directors CHEN Shanzhi

ZHOU Jie REN Kai LU Jun TONG Guohua

Independent non-executive Directors William Tudor BROWN

LAU Lawrence Juen-Yee FAN Ren Da Anthony YOUNG Kwang Leei LIU Ming

* For identification purposes only