Departure of Chief Operating Officer

ACACIA MINING PLC - Departure of Chief Operating Officer

PR Newswire

London, November 5

06 November 2015

Acacia Mining plc

LSE:ACA

(“Acacia” or the “Company”)

Departure of Chief Operating Officer

Acacia today announces that its Chief Operating Officer, Michelle Ash, will be leaving the company with immediate effect, with Brad Gordon, CEO, resuming direct responsibility for the operations.

On the departure, Brad Gordon commented, “I would like to express my thanks to Michelle for her contribution to Acacia over the past two years and wish her all the best for the future. I will again take direct responsibility for the operations given that our number one priority is achieving the planned improvement in performance in the fourth quarter. In this respect, October was fully in line with plan, across all three sites, and we remain on track for the full year. We plan to reassess the situation as regards any potential replacement COO early in 2016.”

ENQUIRIES

For further information, please visit our website: http://www.acaciamining.com/ or contact:

Giles Blackham, Investor Relations Manager

Daniel Thöle

About Acacia Mining plc

Acacia Mining plc (LSE:ACA), formerly African Barrick Gold, is Tanzania’s largest gold miner and one of the largest producers of gold in Africa. We have three producing mines, all located in north-west Tanzania: Bulyanhulu, Buzwagi, and North Mara and a portfolio of exploration projects in Tanzania, Kenya, Burkina Faso and Mali.

Our approach is focused on strengthening our three core pillars; our business, our people and our relationships. Our name change from African Barrick Gold to Acacia reflects a new approach to mining, and an ambition to create a leading African Company.

Acacia is a UK public company headquartered in London. We are listed on the Main Market of the London Stock Exchange with a secondary listing on the Dar es Salaam Stock Exchange. Barrick Gold Corporation remains our majority shareholder. Acacia reports in US dollars and in accordance with IFRS as adopted by the European Union, unless otherwise stated in this announcement.