Semiconductor Manufacturing International : INSIDE INFORMATION RESULTS OF IMPLEMENTATION OF OVER-ALLOTMENT OPTION FOR THE RMB SHARE ISSUE

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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)

INSIDE INFORMATION

RESULTS OF IMPLEMENTATION OF OVER-ALLOTMENT OPTION

FOR THE RMB SHARE ISSUE

This announcement is made by Semiconductor Manufacturing International Corporation (the ''Company'') pursuant to Rule 13.09 of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited and the Inside Information Provisions under Part XIVA of the Securities and Futures Ordinance (Chapter 571 of the Laws of Hong Kong).

Reference is made to the announcements dated 5 May 2020, 1 June 2020, 2 June 2020, 3 June 2020, 19 June 2020, 23 June 2020, 29 June 2020, 30 June 2020, 6 July 2020, 15 July 2020, 17 August 2020 (the ''Announcement'') and 18 August 2020 and the circulars dated 9 May 2020 (the ''Circular'') and 6 June 2020 of the Company in relation to, among other things, the Company's RMB Share Issue under the Specific Mandate and the listing of the RMB Shares on the Sci-Tech Board. Unless otherwise stated, terms defined in the Announcement and the Circular shall have the same meanings when used in this announcement.

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1. Details of implementation of the Over-allotment Option
   As disclosed in the Announcement, the Over-allotment Option for the RMB Share Issue has been fully exercised on 14 August 2020, pursuant to which the Company issued an additional 252,843,000 RMB Shares. The total number of RMB Shares issued in the RMB Share Issue is increased to 1,938,463,000 RMB Shares accordingly, representing approximately 26.23% of the total number of Shares of the Company after the RMB Share Issue. The total number of Shares of the Company is increased from 7,136,423,226 Shares (as at 31 May 2020) to 7,389,266,226 Shares. Please refer to the Announcement and the overseas regulatory announcement dated 18 August 2020 of the Company for more details about the implementation of the Over-allotment Option.
2. Details about the over-allocated RMB Shares
   On 18 August 2020, the RMB Shares with deferred settlement arrangements for the purpose of settling the Over-allotment Option were registered under the stock account names of China Information Communication Technologies Group Co., Ltd*, National Integrated Circuit Industry Investment Fund Phase II Co., Ltd.*, Shanghai Integrated Circuit Industry Investment Fund Co., Ltd.* and Qingdao Juyuan Xinxing Equity Investment Partnership LLP*. As disclosed in the Announcement, the RMB Shares allocated to such investors (including RMB Shares with deferred settlement arrangements) will be locked up for 12 months from the listing and commencement of trading date of the RMB Shares (16 July 2020). Please refer to the Announcement and the overseas regulatory announcement dated 18 August 2020 of the Company for more details about the changes in the shareholding structure of the Company before and after the exercise of the Over-allotment Option as well as the lock-up periods for Shares of the Company.

By order of the Board

Semiconductor Manufacturing International Corporation

Gao Yonggang

Executive Director, Chief Financial Officer and Joint Company Secretary

Shanghai, PRC

19 August 2020

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

Executive Directors

ZHOU Zixue (Chairman)

ZHAO Haijun (Co-Chief Executive Officer) LIANG Mong Song (Co-Chief Executive Officer)

GAO Yonggang (Chief Financial Officer and Joint Company Secretary)

Non-executive Directors

CHEN Shanzhi

ZHOU Jie

REN Kai

LU Jun

TONG Guohua

Independent Non-executive Directors

William Tudor BROWN

CONG Jingsheng Jason

LAU Lawrence Juen-Yee

FAN Ren Da Anthony

YOUNG Kwang Leei

• For identification purposes only

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