Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the 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 this announcement.

This announcement is for information purposes only and does not constitute an invitation or offer to acquire, purchase or subscribe for securities.

This announcement does not constitute or form a part of any offer or solicitation to purchase or subscribe for securities in the United States. The Notes have not been and will not be registered under the United States Securities Act of 1933, as amended (the "Securities Act") or the securities laws of any state of the United States or other jurisdiction.

COMPLETION OF REDEMPTION

WINTRIX DC GROUP

(formerly known as Chindata Group Holdings Limited)

(Incorporated with limited liability under the laws of the Cayman Islands)

10.50% Senior Notes due 2026

(Stock Code: 5697)

Reference is made to the announcement of WinTriX DC Group (formerly known as Chindata Group Holdings Limited, the "Company") dated 23 February 2023 in relation to the US$300,000,000 10.50% Senior Notes due 2026 (the "Notes") issued by the Company and the listing of the Notes on The Stock Exchange of Hong Kong Limited, and the announcement dated 18 January 2024 in relation to the redemption of the Notes (together, the "Announcements"). Capitalized terms used but not defined in this announcement shall have the meaning provided in the Announcements.

Pursuant to Section 3.02(a) of the Indenture, the Company has redeemed all of the outstanding Notes and has completed the redemption of the Notes in full. As at the date of this announcement, there are no outstanding Notes in issue.

The Company has made an application to The Stock Exchange of Hong Kong Limited for the withdrawal of the listing of the Notes. Such withdrawal of listing is expected to become effective upon the close of business on 5 February 2024.

Hong Kong, 26 January 2024

As at the date of this announcement, the board of directors of the Company consists of Mr. Zhongjue Chen, Ms. Krista Snow and Mr. David Benjamin Gross-Loh as directors.