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SEMICONDUCTOR MANUFACTURING INTERNATIONALCORPORATION

SMIC International Integrated Circuit Manufacturing Co., Ltd *

(Incorporated in the Cayman Islands with limited liability)

(Stock Code: 981)

Suspension of share transfer registration

The Board of Directors of SMIC International Integrated Circuit Manufacturing Limited (the "Company") hereby announces that, in order to determine the eligibility to attend and vote at the next Annual General Meeting of the Company to be held on 28 June 2024 (the "Annual General Meeting"), the Company will

From June 25, 2024 to June 28, 2024 (including the first and last two days) to suspend the registration of shares,

During this period, there will be no registration for the transfer of the Company's shares ("Shares"). In order to be eligible to attend and vote at the annual general meeting, all completed Hong Kong share transfer forms, together with the relevant shares, must be delivered to the Hong Kong Central Securities Registration Company Limited, the Hong Kong share transfer office of the Company, no later than 4.30 pm on June 24, 2024.

Shop 1712-1716, 17th floor, Hopewell Center, 183 Queen's Road East, Wan Chai, Hong Kong. All on June 28, 2024

The registered holder of Hong Kong shares on the register of shareholders of Hong Kong shares or all shares listed in RMB on 24 June 2024

The registered holders of RMB shares in the register of shareholders will be entitled to attend and vote at the annual general meeting. For the record date and arrangement of the registered holders of RMB shares, please refer to the announcement published by the Company on the website of Shanghai Stock Exchange.

At the behest of the Board of Directors

SMIC International Integrated Circuit Manufacturing Co., Ltd.

Company Secretary/Board Secretary

Guo Guangli

Shanghai, June 5, 2024

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

Executive Director

Liu Xunfeng (Chairman)

Non-Executive Director

Lu Guoqing

Chen Shanzhi

Yang Lumin

Independent Non-Executive Director

Liu Zunyi

Fan Renda

Liu Ming

Wu Hanming

* For identification only