China Suntien Green Energy : SUPPLEMENTAL PROXY FORM FOR USE AT THE 2020 ANNUAL GENERAL MEETING

China Suntien Green Energy Corporation Limited*

新 天 綠 色 能 源 股 份 有 限 公 司

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

(Stock code: 00956)

SUPPLEMENTAL PROXY FORM FOR USE AT THE 2020 ANNUAL GENERAL MEETING

I/We (Note 1)

of					，
being the registered holder(s) of		A shares/

H shares (Note 2) in China Suntien Green Energy Corporation Limited* (the "Company") HEREBY APPOINT

THE CHAIRMAN OF THE MEETING or			of
		(Note 3)

as my/our proxy(ies) to attend and vote for me/us and on my/our behalf at the 2020 annual general meeting of the Company (the "AGM") to be held at the Conference Room, 5/F, Yun-Ray Ambassador Hotel, Shijiazhuang City, Hebei Province, the People's Republic of China (the "PRC") at 10:00 a.m. on Friday, 14 May 2021 or at any adjournment thereof and to vote at AGM or any adjournment thereof in respect of the resolutions as hereunder indicated or, if no such indication is given, as my/our proxy(ies) thinks fit.

SUPPLEMENTAL ORDINARY RESOLUTION

For (Note 4) Against (Note 4) Abstain (Note 4)

13. Resolution in relation to the provision of guarantee of RMB140 million for Hebei Suntien Guohua Gas Co., Ltd. by the Company based on the proportion of shareholding

Date:

Signature(s) (Notes 5, 6 & 7):

ATTENTION: You should first review the supplemental notice of AGM (the "Supplemental Notice") dated 28 April 2021 before appointing a proxy.

Notes:

1. Please insert the full name(s) and address(es) (as shown in the register of the members) in BLOCK CAPITALS. The name of all joint registered holders should be stated.
2. Please delete as appropriate and insert the number of shares in the Company registered in your name(s) and to which this supplemental proxy form relates. If no number is inserted, this supplemental proxy form will be deemed to relate to all the shares in the capital of the Company registered in your name(s) (whether alone or jointly with others).
3. If any proxy other than the Chairman of the AGM is preferred, delete the words "the Chairman of the meeting" and insert the name and address of the proxy desired in the space provided. A proxy need not be a shareholder of the Company. ANY ALTERATION MADE TO THIS SUPPLEMENTAL PROXY FORM MUST BE INITIALLED BY THE PERSON WHO SIGNS IT.
4. IMPORTANT: IF YOU WISH TO VOTE FOR ANY RESOLUTION, PLEASE PLACE A "✓" IN THE BOX MARKED "FOR". IF YOU WISH TO VOTE AGAINST ANY RESOLUTION, PLEASE PLACE A "✓" IN THE BOX MARKED "AGAINST". IF YOU WISH TO VOTE ABSTAIN TO RESOLUTION, PLEASE PLACE A "✓" IN THE BOX MARKED "ABSTAIN". If the form returned is duly signed but without specific direction on any of the proposed resolutions, the proxy is entitled to vote or abstain at his discretion in respect of all resolutions; or if in respect of a particular proposed resolution there is no specific direction, the proxy is entitled, in relation to that particular proposed resolution, to vote or abstain at his discretion. A proxy will also be entitled to vote at his discretion on any resolution properly put to the AGM other than those set out in the notice convening the AGM. The Shares abstained will be counted in the denominator of the voting results but not in the numerator when calculating the required majority.
5. This supplemental proxy form must be signed by you or your attorney duly authorised in writing or, in the case of a corporation, must either be executed under its common seal or under the hand of an officer or attorney or other person duly authorised. In case of joint registered holders of any shares, this proxy form may be signed by any one joint registered holders, but if more than one joint registered holder is present at the AGM, whether in person or by proxy, that one of the joint registered holders whose name stands first on the register of members in respect of the relevant joint holding shall, to the exclusion of other joint holders, be entitled to vote in respect thereof.
6. To be valid, this supplemental proxy form together with any power of attorney or other authority (if any) under which it is signed or a notarially certified copy of such power of authority must be deposited at (i) Computershare Hong Kong Investors Services Limited at 17M Floor, Hopewell Centre, 183 Queen's Road East, Wanchai, Hong Kong (for holder of H shares) or (ii) the Company's registered office and headquarter in the PRC business (for holders of A shares) not later than 24 hours before the time of AGM or any adjournment thereof (for the purpose of the AGM, before 10:00 a.m. on Thursday, 13 May 2021).
7. This supplemental proxy form is to be used for the supplemental ordinary resolution set out in the Supplemental Notice and will not affect the validity of duly completed form of proxy in respect of the resolutions set out in AGM Notice. If you have already appointed a proxy to attend and act on your behalf at the AGM but do not return this supplemental proxy form of the AGM, your proxy will have the right to vote on the supplemental ordinary resolution set out in the Supplemental Notice at his/her discretion.
8. A shareholder or his/her proxy should produce proof of identity when attending the AGM.
9. Completion and return of this supplemental proxy form will not preclude you from attending and voting in person at AGM or any adjournment thereof if you wish.

• For identification purposes only