Monthly returns of equity issuers and issuers of Hong Kong depositary receipts listed under Chapter 19B of the Listing Rules on movements in securities

Month Ended: September 30, 2024 Status: New submission

Attn: Hong Kong Exchanges and Clearing Limited

Company name: Semiconductor Manufacturing International Corporation (SMIC) Corporation

Submission Date: 7 October 2024

I. Changes in Authoritative/Registered Share Capital

1. Share Classification Ordinary Shares Share Class Not applicable Listed on the Hong Kong Stock Exchange (Note 1) Yes

Stock Code (if listed) 00981 Description None

Number of Legal/Registered Shares Par Value Authoritative/Registered Share Capital

At the end of the previous month, the balance was 10,000,000,000 USD 0.004 USD 40,000,000

Increase/decrease (-) 0 USD

Balance at the end of the month 10,000,000,000 USD 0.004 USD 40,000,000

2. Share Classification Preferred Shares Share Class Not applicable Listed on the Hong Kong Stock Exchange (Note 1) No

Stock Code (if listed) N/A Description None

Number of Legal/Registered Shares Par Value Authoritative/Registered Share Capital

At the end of the previous month, there was a balance of 500,000,000 USD 0.004 USD 2,000,000

Increase/decrease (-) USD

Balance at the end of the month 500,000,000 USD 0.004 USD 2,000,000

Total authoritative/registered share capital at the end of the month: USD 42,000,000

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II. Changes in Issued Shares and/or Treasury Shares

1. Share Classification Ordinary Shares Share Class Not applicable Listed on the Hong Kong Stock Exchange (Note 1) Yes

Stock Code (if listed) 00981 Description Hong Kong stocks

Number of issued shares (excluding treasury shares) Number of treasury shares Total number of issued shares

The balance at the end of the previous month was 5,982,861,008 0 5,982,861,008

Increase / decrease (-) 408,467 0

Balance at the end of the month 5,983,269,475 0 5,983,269,475

2. Share Classification Ordinary Shares Share Class Not applicable Listed on the Hong Kong Stock Exchange (Note 1) No

Stock Code (if listed) 688981 Description The ordinary shares of the Company listed on the Science and Technology Innovation Board of the Shanghai Stock Exchange are subscribed by investors in RMB Chinese mainland.

Number of issued shares (excluding treasury shares) Number of treasury shares Total number of issued shares

Balance at the end of last month 1,973,609,172 0 1,973,609,172

Increase / decrease (-) 14,749,957 0

Balance at the end of the month 1,988,359,129 0 1,988,359,129

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III. Details of changes in issued shares and/or treasury shares

(A). Share options (under the issuer's share option scheme)

1. Share Classification Ordinary Shares Share Class Not applicable Listed on the Hong Kong Stock Exchange (Note 1) Yes

Stock Code (if listed) 00981 Description None

Available at the end of this month at all according to the plan

Details of the Share Option Plan Number of Share Options Deposited at the End of the Month Changes During the Month Number of Share Options Deposited at the End of the Month Number of New Shares Issued During the Month Transferred from the Treasury During the Month, Share Options That May Be Issued or Granted at the End of the Month Will Be Exercised

Item (A1) Number of Treasury Shares (A2) Number of Shares Transferred from Treasury Shares issued or transferred from treasury

The total number of copies

1). 2014 Share Option Plan 20,053,506 Exercised - Involving New Shares -185,806 19,798,482 185,806 1,462, 870 0

Expired -69,218

Date of Approval of General Meeting (if applicable) 13 June 2013

Increase in issued shares (excluding treasury shares): 185,806 ordinary shares (AA1)

Reduction of Treasury Shares: Common Stock (AA2)

Total funds received from exercising options during the month: HKD 2,211,492.97

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(B) Warrants undertaking to issue shares of the issuer Not applicable

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(C). Convertible notes (i.e. convertible into shares of the issuer) Not applicable

(d) any other agreement or arrangement entered into for the issuance of shares of the issuer, including options (but not options issued under a share option scheme)

1. Share Classification Ordinary Shares Share Class Not applicable Listed on the Hong Kong Stock Exchange (Note 1) Yes

Stock Code (if listed) 00981 Description None

Description of Other Agreements or Arrangements Date of Approval of General Meeting Number of new shares issued during the month (D1) Number of treasury shares transferred from treasury during the month Shares that may be issued or transferred from treasury at the end of the month

(if applicable) (D2) Number of copies

1). 2014 Share-based Compensation Incentive Plan - Restricted Share Units 13 June 2013 222,661 4,931,264

2). 2024 Share Award Plan - Restricted Stock Units June 28, 2023 4,323,710

2. Share Classification Ordinary Shares Share Class Not applicable Listed on the Hong Kong Stock Exchange (Note 1) No

Stock Code (if listed) 688981 Description None

Description of Other Agreements or Arrangements Date of Approval of General Meeting Number of new shares issued during the month (D1) Number of treasury shares transferred from treasury during the month Shares that may be issued or transferred from treasury at the end of the month

(if applicable) (D2) Number of copies

1). 2021 STAR Market Restricted Stock Incentive Plan June 25, 2021 14,749,957

Increase in Issued Shares (Excluding Treasury Shares): 222,661 Common Shares (DD1)

Increase in Issued Shares (Excluding Treasury Shares): 14,749,957 Common Shares (DD1)

Reduction of Treasury Shares: Common Shares (DD2)

Reduction of Treasury Shares: Common Shares (DD2)

(E). Other changes in issued shares and/or treasury shares Not applicable

Total increase/decrease in (-) total number of issued shares (excluding treasury shares) during the month (i.e. the sum of items AA1 to EE1): 408,467 ordinary shares

Total increase/decrease in (-) total number of issued shares (excluding treasury shares) during the month (i.e. the sum of items AA1 to EE1): 14,749,957 ordinary shares

Total increase/decrease in (-) total number of treasury shares (i.e. sum of items AA2 to EE2) during the month: Ordinary shares

Total increase/decrease in (-) total number of treasury shares (i.e. sum of items AA2 to EE2) during the month: Ordinary shares

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IV. Information relating to Hong Kong Depositary Receipts (Depositary Receipts) Not applicable

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V. Acknowledgement

Pursuant to Rule 13.25C of the Main Board Listing Rules / Rule 17.27C of the GEM Listing Rules, we hereby confirm that, to the best of our knowledge and belief, each issue of securities or the sale or transfer of treasury shares of the Issuer during the month (as described in Parts III and IV but not disclosed in the statements published pursuant to Rule 13.25A of the Main Board Listing Rules / Rule 17.27A of the GEM Listing Rules) has been duly authorised and approved by the Board of Directors of the Issuer and in compliance with all applicable Listing Rules, Legal and other regulatory requirements, where applicable: (Note 4)

(i) the listed issuer has received all the amounts due from it in respect of the securities issue or the sale or transfer of treasury shares;

(ii) all conditions precedent to listing under "Listing Eligibility" under the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited have been fulfilled;

(iii) all the conditions, if any, set out in the formal letter approving the listing of the securities;

(iv) each class of securities is the same in all respects (Note 5);

(v) all documents required by the Companies (Winding Up and Miscellaneous Provisions) Ordinance to be filed with the Registrar of Companies have been duly filed and all other legal requirements have been complied with;

(vi) the title document has been sent/is being sent/is in the process of being sent and will be sent in accordance with the terms of the offering, sale or transfer;

(vii) the completion of the transaction of all properties purchased or agreed to be purchased by the issuer as indicated in its listing document; the purchase consideration for all such properties has been paid; and

(viii) the trust deed/flat-edge deed in respect of the bonds, borrowed shares, notes or debentures has been prepared and signed and the particulars have been filed with the Registrar of Companies (if required by law).

Submitted by: Kwok Kwok Kwok

Position: Company Secretary

(Director, secretary or other duly authorized officer)

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concentrate

1. SEHK means The Stock Exchange of Hong Kong Limited.

2. In the case of share repurchase (share repurchase and cancellation) and share redemption (share redemption and cancellation), the "date of event" shall be understood as the "cancellation date".

In the case of share buybacks (shares held as treasury shares), the "date of event" should be understood as "the date on which the issuer buys back and holds the shares in treasury".

3. In the case of share repurchase (share repurchase to be cancelled but not yet cancelled) and redemption of shares (share redemption but not yet cancelled), relevant information must be provided. Please use a negative number to indicate the shares that were repurchased or redeemed in the current month or in previous months but have yet to be cancelled by the end of the month

Number of servings.

4. Items (i) to (viii) are the recommended format for the confirmation. Listed issuers may amend items that do not apply on a case-by-case basis. If the issuer has previously sold or transferred shares in relation to an issue of securities or treasury shares under Rule 13.25A of the Main Board Listing Rules /

Such confirmation in the statements published under Rule 17.27A of the GEM Listing Rules does not require further confirmation in such statements.

5. "Same" in this context means:

· The par value of the securities is the same, and the paid-up or paid-up amount is the same;

· Securities are entitled to receive dividends/interest at the same rate for the same period and the same amount of dividends/interest payable per Unit at the next dividend payment (gross and net); and

· Securities come with the same interest, such as unrestricted transfer, attendance and voting at meetings, and pari passu in all other respects.

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