成都高速公路股份有限公司

(a joint stock company incorporated in the People's Republic of China with limited liability)

(Stock Code: 01785)

REPLY SLIP

FOR ANNUAL GENERAL MEETING

To: Chengdu Expressway Co., Ltd. (the "Company")

Name(s) and registered address(es) of shareholder(s) of the Company (Note 1)

Number of shares held (Note 2) domestic shares/H shares of RMB1.00 each in the share capital of the Company.

I/We intend to attend or appoint a proxy or proxies to attend the annual general meeting of the Company to be held at meeting room 1 of Chengdu Expressway Co., Ltd., 9th Floor, Chengnan Tianfu Building, No. 66 Shenghe 1st Road, High-Tech Zone, Chengdu, Sichuan Province, the People's Republic of China (the "PRC") at 10:00 a.m. on Thursday, 14 May 2026 or any adjournment thereof.

Date: 2026

Signature(s) of shareholder(s):

Name(s) of shareholder(s):

Notes:

1. Please insert full name(s) (in Chinese or English) and registered address(es) as shown in the register of members of the Company in block letters.
2. Please insert the number of shares of the Company registered under your name(s) and delete if inappropriate.
3. In order to be valid, this completed and signed reply slip should be returned to the Board Office of the Company in the PRC by hand, by post or by fax on or before Thursday, 7 May 2026. The address of the Board Office of the Company is 9th Floor, Chengnan Tianfu Building, No. 66 Shenghe 1st Road, High-Tech Zone, Chengdu, Sichuan Province, the PRC, 610041 (telephone no.: 86 28 86056063, fax no.: 86 28 86056070).