Build King : Form of proxy for use at the Special General Meeting (or at any adjournment thereof)

BUILD KING HOLDINGS LIMITED

(Incorporated in Bermuda with limited liability)

(Stock Code: 00240) Form of proxy for use at the Special General Meeting (the "Meeting") (or at any adjournment thereof)

I/We1 of being the registered holder(s) of2 shares of HK$0.10 each in the capital of Build King Holdings Limited (the "Company") hereby appoint the Chairman of the Meeting or3

of as my/our proxy to attend and vote for me/us on my/our behalf at the Meeting of the Company to be held at Unit 1103, 11th Floor, East Ocean Centre, 98 Granville Road, Tsimshatsui, Kowloon, Hong Kong on Friday, 15 December 2017 at 10:45 a.m. (or at any adjournment thereof) in respect of the resolution set out in the notice convening the said Meeting as indicated below or, if no such indication is given, as my/our proxy thinks fit and on any other resolution(s) properly put to the Meeting.

ORDINARY RESOLUTION	FOR4	AGAINST4
To approve the transactions and revised annual cap for 2017 under the supplemental agreement dated 24 November 2017 and the transactions and related annual caps for the three years ending 31 December 2020 under the framework agreement dated 24 November 2017 entered into between the Company and Wai Kee Holdings Limited in respect of the continuing sale and purchase of ready mixed concrete, details of which are set out in the notice of the Meeting.

Dated this day of 2017 Signature5:

Notes:

1. Full name(s) and address(es) to be inserted in BLOCK CAPITALS. In the case of joint holders, the names of all joint holders should be stated.

2. Please insert the number of shares of HK$0.10 each registered in your name(s). If no number is inserted, this instrument appointing a proxy will be deemed to relate to all shares in the Company registered in your name(s).

3. Any member of the Company entitled to attend and vote at the Meeting of the Company shall be entitled to appoint another person as his/ her proxy to attend and vote instead of such member. Votes may be given either personally or by proxy or by a duly authorized corporate representative. A member may appoint more than one proxy to attend on the same occasion. If any proxy other than the Chairman of the Meeting is appointed, strike out "the Chairman of the Meeting or" and insert the name and address of the proxy desired in the space provided. A proxy need not be a member of the Company but must attend the Meeting in person to represent you.

4. IMPORTANT: If you wish to vote for a resolution, tick the box marked "FOR". If you wish to vote against the resolution, tick the box marked "AGAINST". Failure to complete a box will entitle your proxy to cast your vote(s) at his discretion. Your proxy will also be entitled to vote at his discretion on any resolution properly put to the Meeting other than that referred to in the notice convening the Meeting.

5. This instrument appointing a proxy shall be in writing under the hand of the appointor or of his/her attorney duly authorised in writing or, if the appointor is a corporation, either under its seal or under the hand of an officer or attorney duly authorised to sign the same.

6. In the case of joint holders of any share, any one of such persons may vote at any meeting, either personally 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 any meeting personally or by proxy, that one of the said persons so present whose name stands first on the register in respect of such share shall alone be entitled to vote in respect thereof.

7. The instrument appointing a proxy and the power of attorney or other authority (if any) under which it is signed or a notarially certified copy of such power or authority, shall be delivered to the office of Tricor Progressive Limited, the Company's branch share registrar, at Level 22, Hopewell Centre, 183 Queen's Road East, Hong Kong not less than forty-eight (48) hours before the time appointed for holding the Meeting or adjourned Meeting at which the person named in the instrument proposed to vote and in default the instrument appointing a proxy shall not be treated as valid.

8. Any alteration made to this instrument appointing a proxy must be initialled.

9. Delivery of an instrument appointing a proxy shall not preclude a member of the Company from attending and voting in person at the Meeting convened and in such event, the instrument appointing a proxy shall be deemed to be revoked.