Siberian Mining : CHANGE OF COMPANY SECRETARY AND AUTHORIZED REPRESENTATIVE

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)

CHANGE OF COMPANY SECRETARY

AND AUTHORIZED REPRESENTATIVE

The Board announces that Ms. Tsang Oi Yin has tendered her resignation as the company secretary of the Company and an authorized representative of the Company with effect from 16 September 2020.

The Board also announces that Ms. Tsang Man Maan has been appointed as the company secretary of the Company and an authorized representative of the Company with effect from 16 September 2020.

The board (the "Board") of directors of Siberian Mining Group Company Limited (the "Company") announces that, due to other business commitment, Ms. Tsang Oi Yin has tendered her resignation as the company secretary of the Company and an authorized representative of the Company under the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the "Listing Rules") with effect from 16 September 2020.

Ms. Tsang Oi Yin confirmed that she has no disagreement with the Board and there are no matters relating to her resignation that need to be brought to the attention of the shareholders of the Company.

The Board is pleased to announce that Ms. Tsang Man Maan has been appointed as the company secretary of the Company and an authorized representative of the Company under the Listing Rules with effect from 16 September 2020.

Ms. Tsang Man Maan obtained a master's degree in corporate governance and compliance from Hong Kong Baptist University. She is an associate member of both The Hong Kong Institute of Chartered Secretaries and The Chartered Governance Institute. She has over seven years of experience in company secretarial field. Ms. Tsang Man Maan is currently a manager of the corporate service department of Hauzen Services Limited (a corporate services provider).

• For identification purpose only

- 1 -

The Board would like to take this opportunity to express its gratitude to Ms. Tsang Oi Yin for her past contributions to the Company during her tenure of service and also express its warm welcome to Ms. Tsang Man Maan on her new appointment.

By Order of the Board

Siberian Mining Group Company Limited

Lee Jaeseong

Chairman

Hong Kong, 16 September 2020

As at the date of this announcement, the Board consists of Mr. Lee Jaeseong and Mr. Im Jonghak as executive directors, and Ms. Chen Dai, Mr. Kwok Kim Hung Eddie and Mr. Leung Yau Wan John as independent non-executive directors.

- 2 -