Semiconductor Manufacturing International Corporation — Proxy Solicitation & Information Statement 2021

Jun 7, 2021

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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)

（於開曼群島註冊成立之有限公司）

(Stock Code: 981) ( 股份代號 : 981)

8 June 2021

Dear Shareholder(s),

Semiconductor Manufacturing International Corporation (the “Company”)

Circular and Proxy Form of Extraordinary General Meeting (the “Current Corporate Communication”)

We are pleased to enclose (unless you have chosen to receive all Corporate Communication [(Note)] published on the Company’s website in place of receiving printed copies) our Current Corporate Communication.

For shareholders who have chosen to receive all Corporate Communication [(Note)] published on the Company’s website in place of receiving printed copies, we are pleased to inform you that the Current Corporate Communication in both English and Chinese are available by selecting the tab titled “Investor Relations” followed by another tab titled “Regulatory Filings” on the left-hand side of the Company’s website at www.smics.com. Both the English and the Chinese versions can be downloaded by following the instructions on the Company’s website.

If you have any difficulty in receiving or gaining access to the Current Corporate Communication posted on the Company’s website for any reason, we will upon your notice send the printed form of the Current Corporate Communication to you free of charge as soon as possible. Please also note that you are entitled at any time to change your choice of language and means of receipt of all future Corporate Communication [(Note)] by giving reasonable notice in writing by completing the Change Request Form on the reverse side to the Company’s Hong Kong branch share registrar, Computershare Hong Kong Investor Services Limited, by post (Address: 17M Floor, Hopewell Centre, 183 Queen’s Road East, Wan Chai, Hong Kong) using the pre-paid mailing label for those posed within Hong Kong or by email (Email address: smic.ecom@computershare.com.hk).

If you have any queries about how to obtain a copy of the Current Corporate Communication or how to access the Current Corporate Communication on the Company’s website, please call the hotline of the Company’s Hong Kong branch share registrar at (852) 2862 8688 during business hours from 9:00 a.m. to 6:00 p.m., Monday to Friday, excluding public holidays.

For and on behalf of

Semiconductor Manufacturing International Corporation

Note: Corporate Communication means any document issued or to be issued by an issuer for the information or action of holders of any of its securities, including but not limited to (a) the directors’ report, its annual accounts together with a copy of the auditors’ report and, where applicable, its summary financial report; (b) the interim report and, where applicable, summary interim report; (c) a notice of meeting; (d) a listing document; (e) a circular; and (f) a proxy form.

* For identification purposes only

敬啟者:

中芯國際集成電路製造有限公司*（「本公司」） 臨時股東大會之通函及代表委任表格（「本次公司通訊文件」）

本公司欣然附上（除非 閣下早前選擇了接收載於本公司網址上的所有公司通訊（附註）以代替印刷本）本公司之本次公司通訊文件。

本公司欣然知會早前選擇了接收載於本公司網址上的所有公司通訊（附註）以代替印刷本的股東，現在可於本公司網站（ www.smics.com ），透過點擊左邊工 具欄之「投資人關係」圖標後點擊「法定文件」，瀏覽本次公司通訊文件的中、英文版本。以上文件之中、英文版本均可按本公司網址上的指示下載。

倘 閣下因任何理由以致在收取或接收載於本公司網址上的本次公司通訊文件出現困難，本公司將於接到 閣下通知後，盡快向 閣下寄發本次公司通 訊文件的印刷本，費用全免。 閣下亦有權在任何時間（通過填寫背面的變更申請表）以合理書面（地址爲香港灣仔皇后大道東 183 號合和中心 17M 樓） 或電郵（電郵地址爲 smic.ecom@computershare.com.hk ）方式通知本公司的香港股份過戶登記處，香港中央證券登記有限公司，以更改今後所有公司通訊（附 註）的語言版本及收取方式。

倘 閣下對於如何索取本次公司通訊文件或如何在本公司網址上閱覽本次公司通訊文件有任何疑問，請致電本公司的香港股份過戶登記處熱綫 (852) 2862 8688 ，辦公時間為星期一至五（公眾假期除外）上午九時正至下午六時正。

中芯國際集成電路製造有限公司* 謹啟

二零二一年六月八日

附註： 公司通訊即發行人已發出或將發出以供持有其證券的人士參照或採取行動的任何文件，其中包括（但不限於）： (a) 董事會報告、年度賬目連同核數師報告及（如適用）財務摘 要報告； (b) 中期報告及（如適用）中期摘要報告； (c) 會議通知的通函； (d) 上市文件； (e) 股東通函；及 (f) 代表委任表格。

• 僅供識別

00981-4

CCS9024 SMIH

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Change Request Form 變更申請表

To: Semiconductor Manufacturing International Corporation (the “Company”) (Stock Code: 981)

c/o Computershare Hong Kong Investor Services Limited 17M Floor, Hopewell Centre, 183 Queen’s Road East, Wanchai, Hong Kong

致： 中芯國際集成電路製造有限公司* (「本公司」)（股份代號： 981 ） 經香港中央證券登記有限公司 香港灣仔皇后大道東 183 號 合和中心 17M 樓

I/We would like to receive Corporate Communication# of the Company (“ Corporate Communication ”) in the manner as indicated below: 本人／我們希望以下列方式收取 貴公司之公司通訊[#] （「 公司通訊 」）： (Please mark （ √ ） in ONLY ONE of the following boxes) (請從下列選擇中，僅在其中 一個空格 內劃上「 √ 」號)

to read the Website Version of all future Corporate Communication published on the Company’s website in place of receiving printed copies; and □ receive an email notification or a notification letter of the publication of the Corporate Communication on the aforesaid websites; 以 網上方式 瀏覽在本公司網站發表之所有今後公司通訊，以代替收取印刷本，並收取有關公司通訊已在前述網站上刊發之電郵 OR 通知或通知信函； 或

Email Address

電郵地址

• [to receive the ] [printed English version][ of all future Corporate Communication ONLY; ] [OR]

  • 僅收取公司通訊之 英文印刷本 ； 或

• [to receive the ] [printed Chinese version][ of all future Corporate Communication ONLY;] [ OR]

  • 僅收取公司通訊之 中文印刷本 ； 或

• [to receive both] 同時收取公司通訊之 [ printed English and Chinese versions] 英文及中文印刷本 。[ of all future Corporate Communication. ]

Contact telephone number 聯絡電話號碼

Signature

簽名

Notes 附註：

1. Please complete all your details clearly.

Date

日期

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• 請 閣下清楚填妥所有資料。

1. Any form with more than one box marked (√), with no box marked (√), with no signature or otherwise incorrectly completed will be void. 如在本表格作出超過一項選擇、或未有作出選擇、或未有簽署、或在其他方面填寫不正確，則本表格將會作廢。

2. For the avoidance of doubt, we do not accept any special instructions written on this Change Request Form. 爲免存疑，任何在本變更申請表上的額外手寫指示，本公司將不予處理。

   • #Corporate Communication means any document issued or to be issued by an issuer for the information or action of holders of any of its securities, i ncluding but not limited to (a) the directors’ report, its annual accounts together with a copy of the auditors’ report and, where applicable, its summary financial report; (b) the interim report and, where applicable, summary interim report; (c) a notice of meeting; (d) a listing document; (e) a circular; and (f) a proxy form.

   • 公司通訊即發行人已發出或將發出以供持有其證券的人士參照或採取行動的任何文件，其中包括（但不限於）： (a) 董事會報告、年度賬目連同核數師報告及（如 適用）財務摘要報告； (b) 中期報告及（如適用）中期摘要報告； (c) 會議通知的通函； (d) 上市文件； (e) 股東通函；及 (f) 代表委任表格。

   • *For identification purposes only 僅供識別

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