TYK Medicines, Inc — Proxy Solicitation & Information Statement 2008

Nov 6, 2008

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(Incorporated in Hong Kong with limited liability under the Companies Ordinance)

(Stock Code: 1058)

Form of proxy for the Extraordinary General Meeting to be held on Monday, 24 November 2008 at 10: 00 a.m.

I/We[(Note][1)]

of

being the registered holder(s) of ordinary shares[(Note][2)] of HK$0.10 each (the ‘‘Ordinary Shares’’) in the capital of GUANGDONG TANNERY LIMITED (the ‘‘Company’’), HEREBY APPOINT THE CHAIRMAN OF THE MEETING[(Note][3)] or, failing him,

of

as my/our proxy to attend and act for me/us at the Extraordinary General Meeting (the ‘‘Meeting’’) (and at any adjournment thereof) of the Company to be held at The Boardroom, Basement II, The Wharney Guang Dong Hotel Hong Kong, No. 57–73, Lockhart Road, Wanchai, Hong Kong on Monday, 24 November 2008 at 10: 00 a.m. for the purpose of considering and, if thought fit, passing the resolution as set out in the Notice of the Meeting and at the Meeting (and at any adjournment thereof) to vote for me/us and in my/our name(s) in respect of the resolution as indicated below[(Note][4)] , or if no such indication is given, as my/our proxy thinks fit.

RESOLUTION FOR[(Note][4)] AGAINST[(Note][4)]

To approve the termination of existing share option scheme and the adoption of new share option scheme.

Dated this day of 2008. Signature(s)[(Note][5)]

Notes:

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

2. Please insert the number of Ordinary Shares registered in your name(s) to which this proxy relates. If no number is inserted, this form of proxy will be deemed to relate to all the Ordinary Shares registered in your name(s).

3. If any proxy other than the Chairman is preferred, strike out the words ‘‘THE CHAIRMAN OF THE MEETING’’ and insert the name and address of the proxy desired in the space provided. A member may appoint one or more proxies to attend and vote in his stead. ANY ALTERATION MADE TO THIS FORM OF PROXY MUST BE INITIALLED BY THE PERSON WHO SIGNS IT.

4. IMPORTANT: IF YOU WISH TO VOTE FOR THE RESOLUTION, TICK THE APPROPRIATE BOX MARKED ‘‘FOR’’. IF YOU WISH TO VOTE AGAINST THE RESOLUTION, TICK THE APPROPRIATE BOX MARKED ‘‘AGAINST’’. Failure to complete any or all the boxes will entitle your proxy to cast his votes at his discretion or abstain from voting. Your proxy will also be entitled to vote or abstain at his discretion on any resolution properly put to the Meeting other than that referred to in the Notice of the Meeting.

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

6. In the case of joint holders of any Ordinary Shares, any one of such joint holders may vote at the Meeting, either personally or by proxy, in respect of such shares as if he were solely entitled thereto. However, if more than one of such joint holders is present at the Meeting, either personally or by proxy, the vote of the joint holder whose name stands first in the Register of Members and who tenders a vote, whether in person or by proxy, will be accepted to the exclusion of the votes of the other joint holder(s).

7. To be valid, this form of proxy together with the power of attorney (if any) or other authority under which it is signed (if any) or a notarially certified copy thereof, must be lodged at the share registrar and transfer office of the Company, Tricor Tengis Limited, at 26/F., Tesbury Centre, 28 Queen’s Road East, Hong Kong not less than 48 hours before the time for holding the Meeting or any adjournment thereof (as the case may be).

8. The proxy need not be a member of the Company but must attend the Meeting in person to represent you.

9. Completion and delivery of the form of proxy will not preclude you from attending and voting at the Meeting if you so wish. In such event, the instrument appointing a proxy shall be deemed to be revoked.