Qiniu Limited — Capital/Financing Update 2012

Nov 27, 2012

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this announcement, make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcement.

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)

THIRD SUPPLEMENTAL AGREEMENT TO PLACING AGREEMENT IN RESPECT OF THE PLACING OF CONVERTIBLE BONDS

The Board announces that on 27 November 2012 (after trading hours), the Company and HANI have entered into the Third Supplemental Agreement pursuant to which the Company and HANI agreed to, inter alia, (i) extend the Placing Period and (ii) extend the date for fulfillment of conditions precedent.

Reference is made to the circular of Siberian Mining Group Company Limited (the “ Company ”) dated 4 October 2012 (the “ Circular ”) relating to, among others, (1) the Placing of Convertible Bonds under the Placing Agreement as amended and supplemented by the Supplemental Agreement and the Second Supplemental Agreement; and (2) the issue of Conversion Shares under the New Placing Specific Mandate. Unless otherwise stated, terms used in this announcement shall have the same meanings as defined in the Circular.

The Board announces that on 27 November 2012 (after trading hours), the Company and HANI have entered into the Third Supplemental Agreement to the Placing Agreement (the “ Third Supplemental Agreement ”), which amending and supplementing the Placing Agreement, pursuant to which the Company and HANI agreed to (i) extend the Placing Period from 6 December 2012 to 5 June 2013; and (ii) extend the date for fulfillment of conditions precedent from 29 November 2012 to 29 May 2013, because the global market sentiments have been changing and fluctuating and HANI requests more time for it to solicit good quality long-term investors. Apart from the amendments stated above, the other terms and conditions of the Placing Agreement remain the same as disclosed in the Circular. The Directors consider the terms and conditions of the Third Supplemental Agreement are fair and reasonable and in the interests of the Company and the Shareholders as a whole.

As the Placing Agreement may or may not complete, Shareholders and potential investors of the Company should exercise caution when dealing in the Shares or any other securities of the Company.

By Order of the Board Siberian Mining Group Company Limited Lim Ho Sok Chairman

Hong Kong, 27 November 2012

As at the date of this announcement, the Board consists of Mr. Lim Ho Sok and Mr. Choi Jun Ho as executive directors, Mr. Pang Ngoi Wah Edward as non-executive director, and Mr. Cho Min Je, Mr. Liew Swee Yean, Mr. Tam Tak Wah and Mr. Young Yue Wing Alvin as independent non-executive directors.

This announcement will remain on the website of the Stock Exchange at www.hkexnews.hk on the “Latest Listed Company Information” page for at least 7 days from the date of its posting and on the Company’s website at http://siberian.todayir.com.

* For identification purpose only