AUKING MINING LIMITED — Board/Management Information 2016

Mar 15, 2016

Chinalco Yunnan Copper Resources Limited ABN 29 070 859 522

Suite 6, Level 11, 320 Adelaide Street Brisbane QLD 4000 GPO Box 216 Brisbane QLD 4001 Tel: +61 7 3041 1306

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16 March 2016

Ms Shannon Hong Senior Advisor, Listings Compliance Australian Securities Exchange, Sydney

Dear Shannon

RE: APPOINTMENT OF NEW DIRECTOR AND ALTERNATE DIRECTOR

CYU is pleased to confirm that all aspects of its A$1.18M share placement to JCHX Group has now been finalised.

The final step in the process is the appointment (with immediate effect) of Mr Xiancheng Wang as a non-executive Director to the Board of CYU. Mr Wang is a well-known and highly regarded Chinese businessman and his skills and expertise will be of significant benefit to CYU as it pursues its activities in the DRC. A short summary of Mr Wang’s achievements are set out below.

Mr Xiancheng Wang was born in August 1958 in China. He is of Chinese nationality with no permanent residence abroad. He holds a university diploma in engineering and now has a senior engineering qualification in China. He is the Chairman of JCHX Group Co., Ltd and JCHX Mining Management Co., Ltd.

Mr Wang served as a General Manager of JCHX Group Co., Ltd from December 1997 to May 2000. From March 1999 to now he served as the Chairman of the Company. From October 2010 to May 2011, Mr Wang served as the Chairman and General Manager of JCHX Mining Management Co., Ltd. From May 2011 to December 2014, he served as Chairman and President of JCHX Mining Management Co., Ltd.

Mr Wang is also involved in activities with various social organizations and holds different titles in the organizations such as Adjunct Professor of Central South University and Beijing University of Science and Technology; specialist of Expert Committee of China Association of Work Safety Expert Group; member of leadership team of “Large scale ultra-deep metal mining safety key technology research projects” of State Administration of Work Safety; Vice president of China Association of Productivity; Vice President of Zambia and China Chamber of Commerce; Vice President of Beijing and Zhejiang Chamber of Commerce; and Academician (Mining) of World Productivity Academy.

Mr Qinghai Wang has also been appointed an Alternate Director to Mr Xiancheng Wang, with effect immediately.

The necessary forms associated with these appointments will also be lodged with ASX shortly.

Yours sincerely

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Paul Williams Managing Director 0419 762 487