SSY : Proxy Form for Extraordinary General Meeting

(Incorporated in the Cayman Islands with limited liability)

Limited (the "Company"), HEREBY APPOINT (Note 3) of

or failing him/her, the chairman of the meeting as my/our proxy to act for me/us at the extraordinary general meeting (the "Meeting") (or at any adjournment thereof) of the Company to be held at 3:00 p.m. on Friday, 21 May 2021 or immediately after the conclusion of the annual general meeting of the Company to be held on the same day, whichever is later, at Rooms 4902-03, 49th Floor, Central Plaza, 18 Harbour Road, Wanchai, Hong Kong for the purpose of considering and, if thought fit, passing with or without amendment, the resolutions set out in the notice convening the Meeting (the "Notice") and at the Meeting (or at any adjournment thereof) to vote for me/us and in my/our name(s) in respect of such resolutions as hereunder indicated, and, if no such indication is given, as my/our proxy thinks fit.

1. To ratify, confirm and approve the Master Sale and Purchase Agreement dated 14 April 2021 and the Continuing Connected Transactions contemplated thereunder; and the proposed annual caps for each of the period/years ending 31 December 2021, 2022 and 2023, being the maximum annual transaction amounts payable/receivable by the Group to/from the Kelun Group for the purchase/sale of the Material A/Material B under the Master Sale and Purchase Agreement.

Notes:

1. Full name(s) and address(es) must be inserted in BLOCK CAPITALS.
2. Please insert the number of Share(s) registered in your name(s). If no number is inserted, this form of proxy will be deemed to relate to all the Share(s) registered in your name(s).
3. Please insert the name and address of the proxy desired in the space provided in BLOCK CAPITALS. IF NO NAME IS INSERTED, THE CHAIRMAN OF THE MEETING WILL ACT AS YOUR PROXY. The proxy need not be a member of the Company, but must attend the Meeting in person to represent you. Completion and delivery of this form of proxy will not preclude you from attending and voting at the Meeting if you so wish.
4. IMPORTANT: IF YOU WISH TO VOTE FOR A RESOLUTION, PLEASE INDICATE WITH A TICK IN THE RELEVANT BOX MARKED "FOR". IF YOU WISH TO VOTE AGAINST A RESOLUTION, PLEASE INDICATE WITH A TICK IN THE RELEVANT BOX MARKED "AGAINST". Failure to complete any or all of the boxes will entitle your proxy to cast your vote at his discretion. Your proxy will also be entitled to vote at his discretion on any resolution properly put to the Meeting other than those referred to in the Notice.
5. This form of proxy must be executed either under its common seal or under the hand of an officer or attorney duly authorised.
6. To be valid, this form of proxy together with the power of attorney or other authority (if any) under which it is signed, or a certified copy of such power or authority, must be delivered to the Company's branch share registrar and transfer office in Hong Kong, Computershare Hong Kong Investor Services Limited, at 17M Floor, Hopewell Centre, 183 Queen's Road East, Wanchai, Hong Kong not later than 48 hours before the time appointed for holding the Meeting or any adjournment thereof.
7. Where there are joint holders of any Share, any one of such persons may vote at the Meeting, either in person or by proxy, in respect of such Share as if he were solely entitled thereto; but if more than one of such joint holders be present at the Meeting the vote of the senior who tenders a vote, whether in person or by proxy, shall be accepted to the exclusion of the votes of the other joint holders; and for this purpose seniority shall be determined by the order in which the names stand in the register of members in respect of the joint holding.
8. The full text of the resolutions to be proposed at the Meeting are set out in the Notice.
9. ANY ALTERATION MADE TO THIS FORM OF PROXY MUST BE INITIALLED BY THE PERSON WHO SIGNS IT.