Qiniu Limited — AGM Information 2012

Jul 30, 2012

SIBERIAN MINING GROUP COMPANY LIMITED 西伯利亞礦業集團有限公司[*]

(Incorporated in the Cayman Islands with limited liability)

(Stock Code: 1142)

FORM OF PROXY FOR USE AT THE 2012 ANNUAL GENERAL MEETING TO BE HELD ON FRIDAY, 31 AUGUST 2012

I/We (Note 1)

of

being the registered holder(s) of (Note 2) shares of HK$0.20 (“Shares”) each in the capital of Siberian Mining Group Company Limited (the “Company”), HEREBY APPOINT THE CHAIRMAN OF THE MEETING or (Note 3) of

as my/our proxy to (a) attend on my/our behalf at the 2012 Annual General Meeting (and at any adjournment thereof) of the Company to be held at The Jasmine Room of Ramada Hong Kong Hotel at 3rd Floor, 308 Des Voeux Road West, Hong Kong on Friday, 31 August 2012 at 3:00 p.m. for the purpose of considering and, if thought fit, passing the resolutions set out in the notice convening the said meeting and at such meeting (and at any adjournment thereof) to vote for me/us and in my/our name(s) in respect of the resolutions as indicated below (Note 4) :—

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ORDINARY RESOLUTIONS (Note 5) FOR (Note 4) AGAINST (Note 4)
1. To receive and consider the audited financial statements and the reports of the directors and of the
auditor for the year ended 31 March 2012.
2. (a) To re-elect Mr. Cho Min Je as director.
(b) To re-elect Mr. Liew Swee Yean as director.
(c) To re-elect Mr. Pang Ngoi Wah Edward as director.
(d) To authorise the board of directors to fix their directors’ remuneration.
3. To re-appoint BDO Limited as the Company’s auditor and to authorise the board of directors to fix its
remuneration.
4. To grant a general mandate to the directors to issue, allot and deal with additional shares not exceeding
20% of the aggregate nominal amount of the issued share capital as at the date of passing of this
resolution.
5. To grant a general mandate to the directors to repurchase shares not exceeding 10% of the aggregate
nominal amount of the issued share capital as at the date of passing of this resolution.
6. To extend the general mandate granted to the directors to issue shares in the capital of the Company
with an amount representing the aggregate nominal amount of the share capital of the Company
repurchased pursuant to the foregoing resolution no. 5.
7. To approve and adopt the New Share Option Scheme, subject to and conditional upon the approval of
the listing of and permission to deal in, the shares of the Company, not exceeding 10% of the Company’s
issued share capital as at the date of passing of this resolution, which may fall to be issued upon the
exercise of the options to be granted under the New Share Option Scheme; and to terminate the Existing
Share Option Scheme upon the New Share Option Scheme being unconditional and effective.
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Dated this day of 2012 Signature: Notes:

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

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

3. If any proxy other than the Chairman is preferred, please strike out the words “ THE CHAIRMAN OF THE MEETING ” and insert the name and address of the proxy desired in the space provided. You may appoint one or more proxies to attend the Meeting. IF NO NAME IS INSERTED, THE CHAIRMAN OF THE MEETING WILL ACT AS PROXY. 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 A RESOLUTION, TICK THE APPROPRIATE BOX MARKED “FOR”. IF YOU WISH TO VOTE AGAINST A RESOLUTION, PLEASE TICK THE APPROPRIATE BOX MARKED “AGAINST” . Failure to complete any of 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. The full text of resolutions no. 4-7 referred to above appears in the notice of the meeting dated 31 July 2012.

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

7. In the case of joint holders, the vote of the senior 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), and for this purpose seniority will be determined by the order in which the names stand in the Register of Members.

8. To be valid, this form of proxy, together with the 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 branch share registrar in Hong Kong, Tricor Tengis Limited, at 26/F., Tesbury Centre, 28 Queen’s Road East, Wanchai, Hong Kong not less than 48 hours before the time appointed for holding the meeting or any adjournment thereof.

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

10. Completion and delivery of the form of proxy will not preclude you from attending and voting at the meeting if you so wish.

* For identification purpose only