Mongolian Mining Corporation — Capital/Financing Update 2012

Apr 9, 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 disclaims any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcement.

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MONGOLIAN MINING CORPORATION

(Incorporated in the Cayman Islands with Limited Liability)

(Stock Code: 975)

VOLUNTARY ANNOUNCEMENT

The board of directors (the “ Board ”) of Mongolian Mining Corporation (the “ Company ”) is pleased to announce that on 9 April 2012, Energy Resources LLC, an indirect wholly-owned subsidiary of the Company, entered into a long term cooperation agreement (the “ Cooperation Agreement ”) with China Datang Overseas Investment Co., Ltd (“ Datang ”). Pursuant to the Cooperation Agreement, the Company agreed to supply to Datang the high calorific value thermal coal produced as a secondary product from processing of coking coal, known also as a middling, which is suitable for coal-fired power plant boilers operations, for a period of ten years.

The quantity of the middling to be supplied will be between 500,000 and 2,000,000 tonnes annually, depending on the availability of the product. In accordance with the Cooperation Agreement, the product price will be determined based on market price subject to periodic review as specified in annual sales and purchase contract by and between the parties which further determines other commercial terms and conditions.

Datang is one of the leading state-owned power generation enterprises in China specialized mainly in power production and supply, power related coal mine development and production as well as related professional technical services. Currently, Datang has carried out a wide range of businesses, including hydropower, coal-fired power, wind power, nuclear power, coal mining, mineral resources and international trade.

The Company believes that the cooperation with Datang will expand its long term relations with end-user customers’ base, and will also further diversify its revenue sources.

This announcement is a voluntary announcement made by the order of the Board which is not pursuant to the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited. The directors of the Company individually and jointly accept responsibility for the accuracy of this announcement.

For and on behalf of the Board Mongolian Mining Corporation Odjargal Jambaljamts Chairman

Hong Kong, 9 April 2012

As at the date of this announcement, the Board consists of Mr. Odjargal Jambaljamts and Dr. Battsengel Gotov, being the executive directors of the Company, Mr. Gantumur Lingov, Ms. Enkhtuvshin Gombo, Mr. Enkh-Amgalan Luvsantseren, Dr. Oyungerel Janchiv, Mr. Philip Hubert ter Woort and Mr. Batsaikhan Purev, being the non-executive directors of the Company, and Mr. Ochirbat Punsalmaa, Mr. Unenbat Jigjid and Mr. Chan Tze Ching, Ignatius, being the independent non-executive directors of the Company.