AUKING MINING LIMITED — Capital/Financing Update 2011

Mar 31, 2011

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MARKET RELEASE

1 April 2011

China Yunnan Copper Australia Limited

TRADING HALT

The securities of China Yunnan Copper Australia Limited (the “Company”) will be placed in Trading Halt Session State at the request of the Company, pending the release of an announcement by the Company. Unless ASX decides otherwise, the securities will remain in Trading Halt Session State until the earlier of the commencement of normal trading on Tuesday, 5 April 2011 or when the announcement is released to the market.

Security Code:

CYU

Frances Finucan Senior Adviser, Listings (Brisbane)

CYU2011.04.01th-ff

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Mail Address Level 5 GPO Box 216 10 Market St Brisbane Qld 4001 Brisbane Qld 4000

ABN 29 070 859 522 Phone: (07) 3212 6204 Fax: (07) 3212 6250 Email: admin@cycal.com.au

1 April 2011

Ms Frances Finucan Senior Adviser Issurers (Brisbane) Australian Securities Exchange By email

Dear Ms Finucan

Re: Request for Trading Halt

In accordance with Listing Rule 17.1 China Yunnan Copper Australia Ltd requests ASX to grant a trading halt in relation to its securities. In accordance with Listing Rule 17.1 the company states the following:

1. Reason for the trading halt

Pending release of an announcement regarding a capital raising.

1. Length of trading halt

Until 10 am Tuesday 5 April or until the announcement is made.

1. The event that the company expects to happen that will end the trading halt

An announcement by the company.

The company is not aware of any reason why the trading halt should not be granted or of any other information necessary to inform the market about the trading halt.

Yours faithfully

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Paul Marshall Company Secretary

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