Semiconductor Manufacturing International : ANNOUCEMENT ON RESIGNATION OF NON-EXECUTIVE DIRECTOR

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SEMICONDUCTOR MANUFACTURING INTERNATIONAL CORPORATION

(Incorporated in the Cayman Islands with limited liability)

(Stock Code: 00981)

ANNOUCEMENT ON RESIGNATION OF NON-EXECUTIVE DIRECTOR

The board of directors (the "Board") of Semiconductor Manufacturing International Corporation (the "Company") announces that Mr. Lu Jun ("Mr. Lu") has resigned as a Class II non-executive director of the Company and a member of the nomination committee of the Board with effect from 29 April 2021 due to allocation of work.

Mr. Lu has confirmed that he has no disagreement with the Board, and there is no matter relating to his resignation that needs to be brought to the attention of the shareholders of the Company.

The Board would like to take this opportunity to express its gratitude to Mr. Lu for his valuable contributions to the Company during his tenure of service.

Semiconductor Manufacturing International Corporation

Gao Yonggang

Executive Director, Chief Financial Officer and Company Secretary

Shanghai, PRC

30 April 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

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