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SEMICONDUCTOR MANUFACTURING INTERNATIONAL CORPORATION

SMIC Integrated Circuit Manufacturing Co., Ltd. *

(Incorporated in the Cayman Islands with limited liability)

(Stock Code: 00981)

The Board of Directors approved the issuance of the 2024 Annual Results Notice

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 Limited (the "Company") hereby informs you that the Board of Directors of the Company hereby approves the publication of the announcement of the Company's audited annual results for the year ended December 31, 2024 on Thursday, March 27, 2025.

Undertake the orders of the board of directors

Semiconductor Manufacturing International Corporation (SMIC).

Company Secretary / Secretary of the Board of Directors

Guo Guangli

Shanghai, China, March 17, 2025

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

Executive Director

Liu Xunfeng

Non-Executive Director

Lu Guoqing

Chen Shanzhi

Yang Lumin

Yellow Mountaineering

Independent Non-Executive Director

Fan Renda

Liu ming

Wu Hanming

Chen Xinyuan

* For identification purposes only