BlockFin Holdings Limited — Proxy Solicitation & Information Statement 2026

Apr 28, 2026

BlockFin Holdings Limited

鍵信控股有限公司

(Incorporated in Bermuda with limited liability)

(Stock code: 888)

PROXY FORM

Proxy Form for the Annual General Meeting of BlockFin Holdings Limited to be held at 10th Floor, United Centre, 95 Queensway, Admiralty, Hong Kong on Wednesday, 17 June 2026 at 10:30 a.m.

I/We (Note 1)

of

being the holder(s) of (Note 2)

shares of HK$0.10 each of BlockFin Holdings Limited (the “Company”) hereby appoint (Note 3)

of

or failing him/her the Chairman of the meeting to act as my/our proxy to vote for me/us and on my/our behalf at the Annual General Meeting of the Company (the “AGM”) to be held at 10th Floor, United Centre, 95 Queensway, Admiralty, Hong Kong on Wednesday, 17 June 2026 at 10:30 a.m. at any adjournment or postponement thereof in connection with the following resolutions:

ORDINARY RESOLUTIONS	INSTRUCTION (Note 4)
		FOR	AGAINST
1.	To consider and adopt the audited consolidated financial statements of the Company and its subsidiaries, the reports of directors of the Company (the “Directors”) and of the auditor for the financial year ended 31 December 2025.
2.	(A) To re-elect Mr. CHEN Yigong as an independent non-executive Director.
	(B) To appoint Ms. WONG Hoi Ying as an independent non-executive Director.
	(C) To authorise the board of Directors (the “Board”) to fix the remuneration of the Directors.
3.	To re-appoint Baker Tilly Hong Kong Limited as the auditor of the Company and to authorise the Board to fix its remuneration.
4.	(A) To grant a general mandate to the Directors to issue shares. #
	(B) To grant a general mandate to the Directors to exercise powers of the Company to buy back its own shares. #
	(C) To extend the share issue mandate granted to the Directors. #

The full text of the resolution is set out in the notice of the AGM.

As witness my/our hand(s) this __ day of __ 2026.

Member's Signature (Notes 5):

Notes:

1. Full name(s) and address(es) to be inserted in BLOCK CAPITALS.
2. Please insert the number of shares of HK$0.10 each in the Company registered in your name(s) to which this proxy form relates; if no number is inserted, this proxy form will be deemed to relate to all the shares in the capital of the Company registered in your name(s).
3. Please insert in BLOCK CAPITALS of the name(s) and address(es) of the proxy or proxies desired in the space provided. ANY ALTERATION TO THIS PROXY FORM MUST BE INITIALED BY THE PERSON WHO SIGNS IT. IF NO NAME IS INSERTED, THE CHAIRMAN OF THE MEETING WILL ACT AS YOUR PROXY.
4. IMPORTANT: IF YOU WISH TO VOTE FOR A RESOLUTION, PLACE A “√” IN THE BOX MARKED “FOR”. IF YOU WISH TO VOTE AGAINST A RESOLUTION, PLACE A “√” IN THE BOX MARKED “AGAINST”. If you wish to vote only part of the number of shares registered in your name(s) to which this proxy form relates, please state the exact number of shares in lieu of “√” in the relevant box. Failure to complete any or all the boxes will entitle your proxy to cast his/her vote at his/her discretion.
5. To be valid, this proxy form, together with the power of attorney or other authority (if any) under which it is signed or a notarially certified copy thereof must be completed and deposited at the Company's Hong Kong share registrar, 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 Annual General Meeting. The proxy need not be a member of the Company but must attend the meeting in person to represent you. Completion and delivery of the proxy form will not preclude you from attending and voting at the Annual General Meeting if you so wish.