Greentech Technology International Limited — Proxy Solicitation & Information Statement 2011

Nov 30, 2011

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GOODTOP TIN INTERNATIONAL HOLDINGS LIMITED 萬 佳 錫 業 國 際 控 股 有 限 公 司

(Incorporated in the Cayman Islands with limited liability)

(Stock Code: 195)

FORM OF PROXY

Proxy Form for use at the Extraordinary General Meeting to be held on 28 December 2011 (or any adjournment thereof)

I/We (Note 1)

of

being the registered holder(s) of (Note 2) share(s) of HK$0.005 each in the share capital of Goodtop Tin International Holdings Limited (the ‘‘Company’’) hereby appoint the Chairman of the Extraordinary General Meeting or (Note 3) of

as my/our proxy to attend and vote for me/us and on my/our behalf at the Extraordinary General Meeting of the Company to be held at Room 2607, Greenfield Tower Concordia Plaza, 1 Science Museum Road, Tsimshatsui, Kowloon, Hong Kong on Wednesday, 28 December 2011 at 10:30 a.m. (or any adjournment thereof) on the undermentioned resolution as indicated, and, if no such indication is given, as my/ our proxy thinks fit:

ORDINARY RESOLUTION

ORDINARY RESOLUTION For (Note 4) Against (Note 4) 1. ‘‘THAT the supplemental agreement (the ‘‘Supplemental Agreement’’) dated 12 October 2011 entered into between YT Parksong Australia and Yunnan Tin Australia TDK Resources Pty Ltd. (the ‘‘New Buyer’’) to the framework agreement between the abovementioned parties dated 25 March 2011 (the ‘‘New Framework Agreement’’) for the proposed change of quotation period which originally begins from 15 days before the bill of lading date to 30 days after the bill of lading date to the period which begins from the bill of lading date to 45 days after the bill of lading date be and are hereby approved and any one director of the Company be and is hereby authorised to exercise all the powers of the Company and take all other steps as they may in their opinion to be desirable or necessary in connection with the Supplemental Agreement and generally to exercise all the powers of the Company as they deem desirable or necessary in connection with the forgoing.’’

Dated this day of

2011

Signed (Note 5):

Notes:

1. Full name(s) and address(s) to be inserted in BLOCK CAPITALS.

2. Please insert the number of shares registered in your name(s). If no number is inserted, this 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 of the Extraordinary General Meeting is preferred, strike out ‘‘the Chairman of the Extraordinary General Meeting or’’ and insert the name and address of the proxy desired in the space provided. Any alteration made to this form must be initialed by the person who signs it.

4. IMPORTANT: If you wish to vote for the resolution, tick the appropriate boxes marked ‘‘FOR’’. If you wish to vote against to the resolution, tick the appropriate boxes marked ‘‘AGAINST’’. Failure to complete the boxes will entitle your proxy to cast his vote at his discretion.

5. This proxy form must be signed by you or your attorney duly authorised in writing or, in the case of a corporation, must be executed either under its common seal or under the hand of an officer or attorney or other person duly authorised.

6. In the case of joint holders of a share, 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 holder(s) 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, the first named being the senior.

7. To be valid, this proxy form together with power of attorney (if any) or other authority (if any) under which it is signed or a notarially certified copy thereof must be deposited at the Company’s Share Registrar, Tricor Investor Services Limited at 26/F., Tesbury Centre, 28 Queen’s Road East, Wanchai, Hong Kong, not less than 48 hours before the time fixed for holding the meeting (or any adjournment thereof).

8. The proxy need not be a member of the Company but must attend the Extraordinary General Meeting (or any adjournment thereof) in person to represent you.

9. Completion and return of this form will not preclude you from attending and voting at the Extraordinary General Meeting (or any adjournment thereof) if you wish to do so.

10. The full text of the resolutions referred to above appears in the notice of the Extraordinary General Meeting dated 1 December 2011.