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 securities have not been and will not be registered under the U.S. Securities Act of 1933, as amended (the “Securities Act”), or the securities laws of any state of the United States or any other jurisdiction, and may not be offered or sold within the United States except pursuant to an exemption from, or in a transaction not subject to, the registration requirements of the Securities Act. Accordingly, the Notes (as defined below) are being offered and sold only outside the United States in offshore transactions in compliance with Regulation S under the Securities Act. This announcement and the information contained herein are not for distribution, directly or indirectly, in or into the United States. No public offer of the securities referred to herein is being or will be made in the United States.

NOTICE OF LISTING ON

THE STOCK EXCHANGE OF HONG KONG LIMITED

DEYANG DEVELOPMENT HOLDING GROUP CO., LTD.

(德陽發(fā)展控股集團(tuán)有限公司)

(Incorporated with limited liability in the People’s Republic of China)

(the “Issuer”)

U.S.$350,000,000 4.29 per cent. notes due 2028 (the “Notes”)

(Stock Code: 6001)

Issue Price: 100.0 per cent.

Application has been made to The Stock Exchange of Hong Kong Limited for the listing of and permission to deal in the Notes as described in the offering circular dated 23 October 2025, 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. The listing of and permission to deal in the Notes is expected to become effective on 30 October 2025.

Hong Kong, 28 October 2025

As at the date of this announcement, the directors of the Issuer are Mr. Li Qiang, Mr. Zhang Rui, Mr. Yin Huajian, Mr. Chen Shien, Mr. Yao Zhigang, Mr. Dong Dayong, Ms. Ma Xueli, Mr. Lv Huajian and Mr. Peng Lang.附件：發(fā)行通函發(fā)布公告