AUKING MINING LIMITED — Capital/Financing Update 2013

Nov 14, 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 Release

15 November 2013

Chinalco Yunnan Copper Resources Ltd (ASX: CYU) EXTENSION OF RIGHTS ISSUE TIMETABLE

Chinalco Yunnan Copper Resources Ltd (CYU) advises that it has extended the Closing Date of its non-renounceable entitlement offer to eligible shareholders from Monday 25 November 2013 until Monday 2 December 2013. All other arrangements under the Offer remain unchanged. CYU has lodged a Supplementary Prospectus with the Australian Securities and Investments Commission earlier today to record this extension of the Offer timetable.

The revised timetable for the Offer is set out below:

Announcement of the Offer	25 October 2013
Prospectus lodged with ASIC and ASX	25 October 2013
Share commence trading on an “ex” basis	29 October 2013
Record Date to determine Entitlements under the Offer	4 November 2013 (7:00pm AEDT)
Prospectus and Entitlement and Acceptance Forms dispatchedto Eligible Shareholders	11 November 2013
Opening Date of Offer	11 November 2013 (9:00am AEDT)
Closing Date of Offer	2 December 2013 (5:00pm AEDT)
Expected Date of Allotment of New Shares	10 December 2013
Expected date for commencement of normal trading of NewShares issued under the Offer on the ASX	11 December 2013
Expected date of dispatch of transaction confirmationstatements	12 December 2013

These dates are indicative only and subject to change. The Company reserves the right, subject to the Corporations Act and the Listing Rules, to change any date including to extend the Closing Date of the Offer, to close the Offer early, to accept late acceptances either generally or in particular cases, or to withdraw or reduce the size of the Offer without notice. Any extension of the Closing Date will have a consequential effect on the issue date of New Shares.

Further information

If the Offer is fully subscribed, 61,998,545 New Shares will be issued under the Offer. The New Shares will be issued for $0.04 each. Upon completion of the Offer, the issued capital of the Company will comprise approximately 309,992,728 shares.

Following quotation, the New Shares will rank equally in all respects from the date of allotment with existing quoted shares on issue. Fractional entitlements under the Offer will be rounded up to the nearest whole number.

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Trading in the New Shares on the ASX is now expected to commence on or about 11 December 2013. An Appendix 3B applying for quotation of the New Shares will be lodged with ASX separately.

The Company encourages all eligible shareholders to participate in the Offer.

Enquiries: Mr Paul Williams Managing Director 61 7 3211 9013

www.cycal.com.au

About CYU

Chinalco Yunnan Copper Resources Ltd (“CYU” or “Company”) is a resource exploration and development company with project interests in the Mt Isa region of north Queensland, Chile and northern Laos.

CYU’s largest shareholder is China Yunnan Copper (Australia) Investment and Development Co Ltd (“CYC”), owning 43% of the total issued shares in CYU. CYC is a wholly-owned subsidiary of Kunmingbased Yunnan Copper Industry (Group) Co Ltd, which is the third largest producer of smelted copper product in China. In turn, Yunnan Copper Group is a subsidiary of Aluminium Corporation of China (Chinalco) which is the largest producer of aluminium product in China and the second largest world-wide.

CYU has offices in Brisbane, Mt Isa and in Santiago. The Company is listed on the ASX under the symbol “CYU”.

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