Shandong Molong Petroleum Machinery : Supplemental Proxy Form for the Annual General Meeting to be held on 21 May 2021

(A Sino-foreign joint stock limited company incorporated in the People's Republic of China with limited liability)

(Stock Code: 568)

Supplemental Proxy Form for the Annual General Meeting to be held on 21 May 2021

I/We (Note 1)

of

being the registered holder of H shares (''H Shares'') of RMB1.00 each in the capital of Shandong Molong Petroleum Machinery Company

of

(address) or, the Chairman of the Annual General Meeting (''AGM'') as my/our proxy/proxies (please delete where appropriate) for H Shares which I/we hold in the share capital of the Company to attend and vote for me/us at the AGM to be held at No. 999 Wensheng Street, Shouguang City, Shandong Province, the People's Republic of China at 2:00 p.m. on Friday, 21 May 2021 and at any adjournment thereof. The proxy/proxies is/are authorised to vote on the resolutions set out in the supplemental notice of the AGM according to the following instructions. In the absence of any instruction, the proxy/proxies may vote for or against the resolution(s) or abstain from voting at his/her discretion.

Notes:

1. Please insert full name(s) and address in BLOCK CAPITALS.
2. Please insert the number of shares registered in your name(s) to which this proxy relates. If no number is inserted, this supplemental proxy form will be deemed to relate to all the shares in the Company registered in your name(s).
3. If any proxy other than the Chairman is preferred, please strike out the words ''or, the Chairman of the Annual General Meeting (''AGM'')'' and insert the name and address of the proxy desired in the space provided. ANY ALTERATION MADE TO THIS SUPPLEMENTAL PROXY FORM MUST BE INITIALLED BY THE PERSON WHO SIGNS IT.
4. The description of the resolution is by way of summary only. The full text appears in the supplemental notice of the AGM of the Company.
5. IMPORTANT: IF YOU WISH TO VOTE FOR A RESOLUTION, PLEASE TICK (✓) IN THE RELEVANT BOX MARKED ''FOR''. IF YOU WISH TO VOTE AGAINST A RESOLUTION, PLEASE TICK (✓) IN THE RELEVANT BOX MARKED ''AGAINST''. IF YOU WISH TO USE LESS THAN ALL YOUR VOTES, OR TO CAST SOME OF YOUR VOTES ''FOR'' AND SOME OF YOUR VOTES ''AGAINST'' A PARTICULAR RESOLUTION, YOU MUST WRITE THE NUMBER OF VOTES IN THE RELEVANT BOX(ES). Failure to complete any or all the boxes will entitle your proxy to cast your vote at his/her discretion or to abstain from voting.
6. The shareholders whose names appear on the register of members of the Company at the close of business on Friday, 14 May 2021 are entitled to attend the AGM with their passports or other identity papers.
7. The register of members of the Company for H shares will be closed from Monday, 17 May 2021 to Friday, 21 May 2021, both days inclusive, during which period no H share transfer will be effected. In order to qualify for attending and voting at the AGM, all instruments of transfer of H shares, accompanied by the relevant share certificates, must be lodged with the registrar for H Shares of the Company not later than 4:30 p.m. on 14 May 2021.
   The address of the registrar for H Shares of the Company is as follows:
   Tricor Investor Services Limited Level 54, Hopewell Centre 183 Queen's Road East
   Hong Kong

1. Each holder of H shares who has the right to attend and vote at the AGM is entitled to appoint in writing one or more proxies, whether a shareholder or not, to attend and vote on his behalf at the AGM. If a shareholder appoints more than one proxy, each proxy shall only have one vote on a poll.
2. The instrument appointing a proxy must be in writing under the hand of the appointor or his attorney duly authorised in writing. If that instrument is signed by an attorney of the appointor, the power of attorney authorising that attorney to sign, or other documents of authorisation, must be notarially certified.
3. To be valid, the proxy form and, if the proxy form is signed by a person under a power of attorney or other authority on behalf of the appointor, a notarially certified copy of that power of attorney or other authority, must be deposited to the registrar for H shares of the Company, Tricor Investor Services Limited, at Level 54, Hopewell Centre, 183 Queen's Road East, Hong Kong, not less than 24 hours before the time for holding the AGM or any adjournment thereof.
4. This proxy form is the supplemental proxy form for the purpose of the supplemental resolutions set out in the supplemental notice of the AGM dated 28 April 2021, and only serves as a supplement to the original proxy form for the AGM.
5. This supplemental proxy form will not affect the validity of any proxy form duly completed and returned by you in respect of the resolutions set out in the notice of the AGM dated 31 March 2021. If you have validly appointed a proxy to attend the AGM on your behalf but do not complete and return this supplemental proxy form, your proxy shall be entitled to vote at his/her discretion on the special resolution set out in the supplemental notice of the AGM dated 28 April 2021. If you have not completed and returned the original proxy form but complete and return this supplemental proxy form and validly appoint a proxy to attend and act at the AGM on your behalf, your proxy shall be entitled to vote at his/her discretion on the resolutions set out in the notice of the AGM dated 31 March 2021.
6. If a proxy attends the AGM on behalf of a shareholder, he/she should produce his proof of identity and the instrument signed by the proxy or other legal representative, which specifies the date of its issuance. If a legal representative of a legal person share shareholder attends the AGM, such legal representative should produce his/her proof of identity and the valid documents evidencing his capacity as such legal representative. If a legal person share shareholder appoints a corporate representative other than its legal representative to attend the AGM, such representative must produce his/her proof of identity and an authorisation instrument affixed with the seal of the legal person share shareholder and duly signed by its legal representative.
7. If the proxy being appointed to attend the AGM under this supplemental proxy form is different from the proxy appointed under the original proxy form and both proxies attend the AGM, only the votes casted by the proxy appointed under the original proxy form shall be considered.
8. The AGM is expected to last for approximately one hour. Shareholders attending the AGM are responsible for their own travelling and accommodation expenses.

• For identification purpose only