Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility forthe contents of this announcement, make no representation as to its accuracy or completeness and expressly disclaim any
liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of thisannouncement.
This announcement does not constitute an offer to sell or the solicitation of an offer to buy any securities in the UnitedStates or any country or other jurisdiction in which such offer, solicitation or sale would be unlawful prior to registrationor qualification under the securities laws of any such jurisdiction. Neither this announcement nor any copy hereof nor
the information contained herein may be taken into or distributed directly or indirectly in or into the United States. The
securities have not been and will not be registered under the United States Securities Act of 1933, as amended (the“Securities Act”) and may not be offered or sold in the United States absent registration or an applicable exemption
from the registration requirements of the Securities Act. No public offering of securities will be made in the United States
or in any jurisdiction where such an offering is restricted or prohibited.

VOLUNTARY ANNOUNCEMENT ON CHANGE OF NAMECSI MTN LIMITED(the “Issuer”)(incorporated in British Virgin Islands with limited liability)

U.S.$300,000,000 3.375 per cent. Guaranteed Notes due 2025 (the "2022 Notes")(Stock Code: 5183)
CNY2,500,000,000 3.1 per cent. Guaranteed Notes due 2026 (the "2023 Notes")(Stock Code: 84435)

Issued under theU.S.$3,000,000,000 Guaranteed Medium Term Note Programme (the "Programme")
Unconditionally and irrevocably guaranteed by(the “Guarantor”)(incorporated in Hong Kong with limited liability)

Reference is made to (i) the notice of listing on The Stock Exchange of Hong Kong Limited (the "StockExchange") of the Issuer dated 13 July 2023 in respect of the listing of the 2023 Notes, (ii) the notice oflisting on the Stock Exchange of the Issuer dated 19 May 2023 in relation to the Programme, and (iii) thenotice of listing on the Stock Exchange of the Issuer dated 21 April 2022 in respect of the listing of the2022 Notes, each by way of debt issues to professional investors (as defined in Chapter 37 of the Rules
Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited) only.
Capitalised terms used herein shall have the same meanings as those defined in the respective notices
unless otherwise stated.

1

The Guarantor hereby announces that the Guarantor’s Chinese name has been changed from 中信証券國際有限公司 to 中信證券國際有限公司 on 4 August 2023. The English name of the Guarantor, being
CITIC Securities International Company Limited, remains unchanged.
The stock code and stock short name of the 2022 Notes remain unchanged as "05183" and "CSI MTN
N2504", respectively. The stock code and stock short name of the 2023 Notes remain unchanged as"84435" and "CSI MTN N2607-R", respectively.
Hong Kong, 14 August 2023
As at the date of this announcement, the directors of the Issuer are Mr. LIU Liang and Ms. ZHENG Ying
As at the date of this announcement, the Board of the Guarantor comprises Mr. LI Chunbo, Mr. SHIBenliang, Mr. XU Jianqiang, Mr. YU Yang and Mr. Edward PARK2