Qiniu Limited — Board/Management Information 2012

Jul 30, 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)

RESIGNATION OF EXECUTIVE DIRECTOR AND CHANGE OF COMPANY SECRETARY

Mr. Shin Min Chul has resigned as Executive Director of the Company with effect from 1 August 2012.

Ms. Lo Suet Fan has resigned as Company Secretary of the Company and Mr. Wong Wing Cheong has been appointed as Company Secretary of the Company, both with effect from 1 August 2012.

RESIGNATION OF EXECUTIVE DIRECTOR

The board of directors (the “ Board ”) of Siberian Mining Group Company Limited (the “ Company ”) announces that Mr. Shin Min Chul (“ Mr. Shin ”), in order to pursue other business ventures, has tendered his resignation as Executive Director of the Company with effect from 1 August 2012.

Mr. Shin has confirmed that (i) there is no disagreement between him and the Board; and (ii) there is no matter relating to his resignation that needs to be brought to the attention of The Stock Exchange of Hong Kong Limited (the “ Stock Exchange ”) and the holders of securities of the Company.

Mr. Shin will stay as a consultant of a subsidiary of the Company.

The Board would like to take this opportunity to express its sincere gratitude to Mr. Shin for his valuable contribution to the Company during his tenure of office.

CHANGE OF COMPANY SECRETARY

The Board announces that Ms. Lo Suet Fan (“ Ms. Lo ”) has resigned as Company Secretary of the Company and Mr. Wong Wing Cheong (“ Mr. Wong ”) has been appointed as Company Secretary of the Company, both with effect from 1 August 2012.

The Board would like to express its sincere gratitude to Ms. Lo for her valuable contribution to the Company during the tenure of her service.

* for identification purpose only

— 1 —

Mr. Wong, aged 48, joined the Company in May 2011 and is currently the Chief Financial Officer of the Company. He graduated from the University of Hong Kong with a Bachelor of Social Sciences degree in Management and Economics, and received his Master of Business Administration degree in Investment and Finance from the University of Hull, United Kingdom. He is a fellow member of the Association of Chartered Certified Accountants, the Hong Kong Institute of Certified Public Accountants, the Institute of Chartered Secretaries and Administrators, and the Hong Kong Institute of Company Secretaries. He has extensive experience in Hong Kong listed companies in accounting, corporate finance, mergers and acquisitions and company secretarial fields.

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

Hong Kong, 31 July 2012

As at the date of this announcement, the Board consists of Mr. Lim Ho Sok and Mr. Shin Min Chul 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 www.ilinkfin.net/siberian_mining.

— 2 —