AUKING MINING LIMITED — Capital/Financing Update 2013

Dec 4, 2013

Chinalco Yunnan Copper Resources Limited ABN 29 070 859 522

Level 5, 10 Market Street Brisbane QLD 4000 GPO Box 216 Brisbane QLD 4001

Tel: +61 7 3212 6204 Fax: +61 7 3212 6250

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ASX Announcement

5 December 2013

Notification of Shortfall under Entitlement Offer

Chinalco Yunnan Copper Resources Limited (ASX:CYU) (Chinalco Yunnan) confirms that its 1 for 4 non-renounceable entitlement offer (Offer) closed at 5pm (AEST) on 2 December 2013.

CYU gives notice of the total subscriptions for the Offer as follows:

• acceptances were received for a total of 2,969,434 new shares raising $118,777.36;

• • additional applications were received for 1,023,072 shares in excess of shareholders’ entitlements raising $40,922.88; and

• finally, as the offer was underwritten to $1,061,831.76 (26,545,794 shares) by China Yunnan Copper (Australia) Investment and Development Co. Ltd (CYC), the Company’s largest shareholder, CYC will subscribe for their shares under the underwriting agreement.

The total of these subscriptions is 30,538,300 new shares, raising $1,221,532.00. The number of new shares offered under the Rights Issue was 61,998,718 shares – thereby resulting in a shortfall of 31,460,418 shares (‘Shortfall Shares’) under the offer.

As disclosed in the Offer Statement, the Directors of CYU have reserved the right to place any of the remaining Shortfall Shares at the same price of $0.04 cents per share and discussions are underway with parties interested in acquiring shares under this shortfall facility.

All shareholders that applied for additional shares (above their entitlement) will be allocated the shares that they applied for.

On behalf of the Board

Paul Williams Managing Director paul.williams@cycal.com.au +61 419 762 487