Chengdu Expressway Co., Ltd. — Proxy Solicitation & Information Statement 2022

May 20, 2022

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Chengdu Expressway Co., Ltd. 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 EXTRAORDINARY 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 extraordinary 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 Friday, 8 July 2022 or any adjournment thereof.

Date: 2022 Signature of shareholder(s):

Name of shareholder(s):

Notes:

1. Please insert full name(s) (in English or Chinese) 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 Friday, 17 June 2022. 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 (postal code: 610041, telephone no.: 86 28 86056037, fax no.: 86 28 86056070).