Chiho Environmental Group Limited — AGM Information 2021

Jun 7, 2021

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CHIHO ENVIRONMENTAL GROUP LIMITED

(Incorporated in the Cayman Islands with limited liability)

(Stock Code: 976)

SUPPLEMENTAL FORM OF PROXY FOR USE AT THE ANNUAL GENERAL MEETING (the ‘‘AGM’’) TO BE HELD ON MONDAY, 28 JUNE 2021 (or at any adjournment thereof)

I/We[(Note][2)]

of being the registered holder(s) of shares[(Note][3)] of HK$0.01 each in the share capital of Chiho Environmental Group Limited (the ‘‘Company’’), HEREBY APPOINT[(Note][4)] of or failing him, the Chairman of the AGM, as my/our proxy to attend and vote for me/us at the AGM (or at any adjournment thereof) of the Company to be held at 23/F., Infinitus Plaza, 199 Des Voeux Road Central, Hong Kong on Monday, 28 June 2021 at 3: 00 p.m. and in particular (but without limitation) at such meeting (or at any adjournment thereof) on a poll to vote for me/us and in my/our name(s) in respect of the ordinary resolution set out in the supplemental notice of the AGM as indicated below or, if no such indication is given as my/our proxy thinks fit.

Ordinary Resolution FOR[(Note][5)] AGAINST[(Note][5)] 11. To re-elect Prof. Li Zhiguo as an independent non-executive director of the Company. Date: 2021 Signature[(Note][6)] : Notes:

1. Please refer to the original proxy form for the 2020 AGM published by the Company on 26 April 2021 (the ‘‘Original Proxy Form’’) which was despatched together with the original notice of 2020 AGM dated 27 April 2021 (the ‘‘Original AGM Notice’’) for Resolutions 1 to 10. This supplemental form of proxy of the Company (the ‘‘Supplemental Proxy Form’’) is for the purpose of the supplemental resolution set out in the supplemental notice of the AGM dated 8 June 2021 (the ‘‘Supplemental AGM Notice’’) and only serves as a supplement to and will not revoke the Original Proxy Form.

2. Please insert the full name(s) (in Chinese or in English) and address(es) (as shown in the register of members) in block letters. 3. Please insert the number of shares registered in your name(s) to which this supplemental form of proxy relates. If no number is inserted, this supplemental form of proxy will be deemed to relate to all the shares in the Company registered in your name(s).

3. Please insert the name and address of the proxy desired. IF NO NAME IS INSERTED, THE CHAIRMAN OF THE MEETING WILL ACT AS YOUR PROXY. A shareholder may appoint one or more proxies to attend and vote in his stead. A proxy need not be a shareholder of the Company. A proxy of a shareholder who has appointed more than one proxy may only vote on a poll. ANY ALTERATION MADE TO THIS FORM OF PROXY MUST BE DULY INITIALLED BY THE PERSON WHO SIGNS IT.

4. IMPORTANT: IF YOU WISH TO VOTE FOR ANY RESOLUTION, PLEASE TICK IN THE BOX MARKED ‘‘FOR’’. IF YOU WISH TO VOTE AGAINST ANY RESOLUTION, PLEASE TICK IN THE BOX MARKED ‘‘AGAINST’’. If you do not indicate how you wish your proxy to vote, your proxy will be entitled to exercise his discretion. Unless you have indicated otherwise in this supplemental form of proxy, your proxy will also be titled to vote at his discretion on any Resolution properly put to the AGM other than those referred to in the Original AGM Notice and Supplemental AGM Notice.

5. This supplemental form of proxy must be signed by you or your attorney duly authorised in writing or, in the case of a corporation, must either be executed under seal or under the hand of an officer, attorney or other person authorised to sign the same.

6. Where there are joint holders of any shares, any one of such persons may vote at the AGM, either personally or by proxy, in respect of such shares as if he/she were solely entitled thereto. However, if more than one of such joint holders are present at the AGM, either personally or by proxy, then one of the said persons so present whose name stands first in the register of members in respect of such shares shall alone be entitled to vote in respect thereof.

7. To be valid, this supplemental form of proxy and the power of attorney or other authority (if any) under which it is signed or a certified copy of that power or authority, must be deposited at the Company’s Hong Kong branch share registrar and transfer office, Computershare Hong Kong Investor Services Limited at 17M Floor, Hopewell Centre, 183 Queen’s Road East, Wanchai, Hong Kong not less than 48 hours before the time appointed for holding the AGM (i.e. not later than 3: 00 p.m. on Saturday, 26 June 2021) or any adjournment thereof.

8. This form of proxy is the supplemental form of proxy for the purpose of the supplemental resolutions set out in the Supplemental AGM Notice dated 8 June 2021 and only serves as a supplement to the Original Proxy Form for the AGM.

9. This Supplemental Proxy Form will not affect the validity of any form of proxy duly completed and delivered by you in respect of the resolutions set out in the Original AGM Notice dated 27 April 2021. If you have validly appointed a proxy to attend and act for you at the AGM but do not complete and deliver this supplemental form of proxy, your proxy will be entitled to vote at his discretion on the ordinary resolution set out in the Supplemental AGM Notice dated 8 June 2021. If you do not complete and deliver the Original Proxy Form for the AGM but have completed and delivered this Supplemental Proxy Form and validly appointed a proxy to attend and act for you at the AGM, your proxy will be entitled to vote at the discretion on the resolutions set out in the Original AGM Notice dated 27 April 2021.

10. If the proxy being appointed to attend the AGM under this s Supplemental Proxy Form is different from the proxy appointed under the Original Proxy Form and both proxies attended the AGM, the proxy validly appointed under the Original Proxy Form shall be designated to vote at the AGM.

11. Completion and deposit of the form of proxy and the supplemental form of proxy will not preclude you from attending and voting at the AGM if you so wish. 13. Voting on all the resolutions set out in the Original AGM Notice and the Supplemental AGM Notice will be taken by poll. 14. References to time and dates in this circular are to Hong Kong time and dates.

PERSONAL INFORMATION COLLECTION STATEMENT

• (i) ‘‘Personal Data’’ in these statements has the same meaning as ‘‘personal data’’ in the Personal Data (Privacy) Ordinance, Chapter 486 of the Laws of Hong Kong (‘‘PDPO’’).

• (ii) Your supply of Personal Data to the Company is on a voluntary basis. Failure to provide sufficient information, the Company may not be able to process your appointment of proxy and other instructions.

• (iii) Your Personal Data may be disclosed or transferred by the Company to its subsidiaries, its share registrar and/or other companies or bodies for any of the stated purposes, and retained for such period as may be necessary for our verification and record purposes.

• (iv) You have the right to request access to and/or correction of your Personal Data in accordance with the provisions of the PDPO. Any such request for access to and/or correction of your Personal Data should be in writing to the Personal Data Privacy Officer of Computershare Hong Kong Investor Services Limited at 17M Floor, Hopewell Centre, 183 Queen’s Road East, Wanchai, Hong Kong.