IMAX China Holding, Inc. — Proxy Solicitation & Information Statement 2005

Aug 1, 2005

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HI SUN TECHNOLOGY (CHINA) LIMITED 高陽科技（中國）有限公司[*]

(Incorporated in Bermuda with limited liability)

(Stock code : 818)

FORM OF PROXY FOR SPECIAL GENERAL MEETING

Form of Proxy for use at the Special General Meeting convened at Suite 2316, 23rd Floor, One International Finance Centre, No. 1 Harbour View Street, Central, Hong Kong on Wednesday, 17 August 2005 at 10:00 a.m. (or any adjournment thereof)

I/We [(Note 1)]

of being the registered holder(s) of [(Note 2)] shares of HK$0.01 each in the capital of Hi Sun Technology (China) Limited (the “Company”), HEREBY APPOINT [(Note 3)]

of (address)

or failing him [(Note 3)] the Chairman of the Meeting as my/our proxy to act for me/us and on my/our behalf at the Special General Meeting of the Company (or at any adjournment thereof) to be held at Suite 2316, 23rd Floor, One International Finance Centre, No. 1 Harbour View Street, Central, Hong Kong on Wednesday, 17 August 2005 at 10:00 a.m. for the purpose of considering and, if thought fit, passing with or without modifications the Ordinary Resolution set out in the notice convening the said Special General Meeting and at such meeting (or at any adjournment thereof) to vote for me/us and in my/our name(s) in respect of the said resolutions as indicated below, and, if no such indication is given, as my/our proxy thinks fit.

Ordinary Resolution – To approve the refreshment of the 10 per cent limit on grant of options under the share option scheme of the Company.

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

Signature [(Note 5)] Dated this day of 2005

Notes:–

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

2. Please insert the number of shares to which this proxy relates and is registered in your name(s). If no number is inserted, this form of proxy will be deemed to relate to all the shares of HK$0.01 each in the capital of the Company registered in your name(s).

3. Please insert the name and address of the proxy desired. 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.

4. IMPORTANT: IF YOU WISH TO VOTE FOR THE RESOLUTION, PLEASE PLACE A “ ✔ ” IN THE RELEVANT BOX MARKED “FOR”. IF YOU WISH TO VOTE AGAINST THE RESOLUTION, PLEASE PLACE A “ ✔ ” IN THE RELEVANT BOX MARKED “AGAINST”. Failure to complete the boxes will entitle your proxy to cast his 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 convening 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, either under seal or under the hand of an officer or attorney duly authorised to sign the same.

6. Where there are joint registered holders of any share, any one of such joint registered holders 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 registered 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 registered holders, and for this purpose seniority shall be determined by the order in which the names stand in the register of members of the Company in respect of the joint holding.

7. To be valid, this form of proxy, together with any power of attorney or other authority (if any) under which it is signed, or a certified copy thereof, must be deposited at the principal place of business of the Company at Suite 2316, 23rd Floor, One International Finance Centre, No. 1 Harbour View Street, Central, Hong Kong not less than 48 hours before the time appointed for holding the meeting or any adjournment thereof. Completion and return of the form of proxy will not preclude members from attending and voting in person at the meeting.

8. Any alteration made to this form of proxy must be initialled by the person who signs it.

• For identification purposes only