Kunming Dianchi Water Treatment : REPLY SLIP FOR USE AT THE 2020 FIRST H SHAREHOLDERS' CLASS MEETING

Kunming Dianchi Water Treatment Co., Ltd.

昆明滇池水務股份有限公司

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

(Stock Code: 3768)

REPLY SLIP FOR USE

AT THE 2020 FIRST H SHAREHOLDERS' CLASS MEETING

To: Kunming Dianchi Water Treatment Co., Ltd. (the "Company")

I/We (Note 1) of

(address as shown in the register of members) being the registered holder(s) of

H shares (Note 2) in the capital of the Company, hereby inform the Company that I/we intend to attend (in person or by proxy) the 2020 first H shareholders' class meeting of the Company to be held at the meeting room of the Company on the 1st floor at Wastewater Treatment Plant No. 7, Kunming Dianchi Tourist Resort, Yunnan Province, the People's Republic of China (the "PRC") at 4:00 p.m. on Friday, 6 November 2020 or at any adjournment thereof.

Date:

Signature of Shareholder(s):

Name of Shareholder(s):

Notes:

1. Please insert the full name(s) and address(es) (as shown in the register of members) in BLOCK CAPITALS.
2. Please insert the number of shares in the Company registered in your name(s).
3. This completed and signed reply slip should be delivered to the Company's H Share registrar, Tricor Investor Services Limited, at Level 54, Hopewell Centre, 183 Queen's Road East, Hong Kong on or before Friday, 16 October 2020. This reply slip may be delivered to the Company's H Share registrar by hand or by post.