Qiniu Limited — Capital/Financing Update 2013

May 6, 2013

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)

INSIDE INFORMATION

LOAN DRAWDOWN REQUESTS MADE TO KEYSTONE GLOBAL CO., LTD

Reference is made to the announcements made by Siberian Mining Group Company Limited (the “ Company ”) on 22 April 2013, 23 April 2013 and 25 April 2013, respectively. Capitalised terms used herein shall have the same meaning ascribed to those announcements unless otherwise specified.

Keystone Global Co., Ltd (“ Keystone ”, a Korean listed company) provided the Company a financial support letter on 20 June 2012 (the “ Financial Support Letter ”) which stated that in case the Company required additional funding for working capital for a two-year period commencing from 20 June 2012, Keystone, being one of the strategic shareholders of the Company, was willing to render continuous financial support to the Company for an aggregate amount up to US$6,000,000 (approximately HK$46,800,000) by way of loans or advances at the market interest rate to be agreed mutually.

Keystone also entered into a loan agreement with the Company on 27 June 2012 (the “ Loan Agreement ”) whereby Keystone provided a loan facility of up to US$3,000,000 (approximately HK$23,400,000) to the Company for a term of 3 years from the drawdown date and at the interest rate of 6% per annum.

First Glory and Cordia have been demanding for repayment of the Loan and the Third Convertible Note, respectively. Therefore, on 26 April 2013 the Company made a drawdown request to Keystone and asked for Keystone to extend a loan of US$6,000,000 under the Financial Support Letter and a loan of US$3,000,000 under the Loan Agreement. With the proceeds from such loans, the Company would be in a better position to negotiate with First Glory and Cordia for restructuring their loan/debt terms.

* For identification purpose only

– 1 –

However, Keystone gave a very clear indication that it is no longer willing to extend the loans or provide any financial support to the Company. Nevertheless, the Board will continue to negotiate with First Glory and Cordia and will make further announcement(s) to update the public of the development.

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

Hong Kong, 6 May 2013

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. 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 of Hong Kong Limited 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.

– 2 –