Result of AGM

23 April 2015 Acacia Mining plc ("Acacia" or the "Company") Results of voting at the 2015 Annual General Meeting Acacia's Annual General Meeting was held on 23 April 2015. As at the date ofthe Annual General Meeting, the total number of issued Ordinary Shares was410,085,499. Therefore, the total number of votes exercisable at the meetingwas 410,085,499. The full text of the resolutions proposed at the AnnualGeneral Meeting was set out in the notice of Annual General Meeting dated 20March 2015. All resolutions at the meeting were put to Acacia's shareholders on a poll. Thefinal voting figures of the poll as certified by the scrutineers, ComputershareInvestor Services PLC, were as follows: Total votes For (*) % Against(*) % Vote cast withheld(* *) Ordinary Resolutions 1 Approval of the 377,145,366 377,145,366 100.00 0 0.00 613,704 audited annual accounts for the Company for the financial year ended 31 December 2014, together with the Directors' Report and the Auditors' Reports. 2 Approval of the 375,879,770 354,352,718 94.27 21,527,052 5.73 1,879,299 Directors' Remuneration Report for the financial year ended 31 December 2014. 3 Declaration and 377,759,070 377,759,070 100.00 0 0.00 0 approval of a final dividend of US 2.8 cents per Ordinary Share, for the year ended 31 December 2014. 4 Election of Kelvin 377,757,278 376,475,204 99.66 1,282,074 0.34 1,792 Dushnisky as a Director (non-executive) of the Company. 5 Election of Bradley 377,757,278 377,728,178 99.99 29,100 0.01 1,792 ("Brad") Gordon as a Director (executive) of the Company. 6 Election of Ambassador 377,757,278 376,630,398 99.70 1,126,880 0.30 1,792 Mwapachu as a Director (independent non-executive) of the Company. 7 Election of Graham 377,757,278 377,720,399 99.99 36,879 0.01 1,792 Clow as a Director (independent non-executive) of the Company. 8 Election of Rachel 377,757,320 376,901,282 99.77 856,038 0.23 1,750 English as a Director (independent non-executive) of the Company. 9 Election of Andre 377,757,278 376,552,998 99.68 1,204,280 0.32 1,792 Falzon as a Director (independent non-executive) of the Company. 10 Election of Michael 377,757,278 377,644,140 99.97 113,138 0.03 1,792 Kenyon as a Director (independent non-executive) of the Company. 11 Election of Steve 377,757,278 377,720,399 99.99 36,879 0.01 1,792 Lucas as a Director (independent non-executive) of the Company. 12 Election of Peter 377,757,278 376,893,461 99.77 863,817 0.23 1,792 Tomsett as a Director (independent non-executive) of the Company. 13 Election of Stephen 377,757,278 377,344,984 99.89 412,294 0.11 1,792 Galbraith as a Director (non-executive) of the Company. 14 Re-appointment of 377,704,967 376,471,661 99.67 1,233,306 0.33 54,103 PricewaterhouseCoopers LLP as auditors of the Company (the "Auditors") to hold office until the conclusion of the next general meeting of the Company at which the accounts are laid before the Company. 15 Grant of authorisation 377,738,733 376,685,822 99.72 1,052,911 0.28 20,337 to the audit committee of the Company to agree the remuneration of the Auditors. 16 Grant of authority to 377,757,378 376,789,424 99.74 967,954 0.26 1,692 the Directors, generally and unconditionally pursuant to Section 551 of the Companies Act 2006 (the "Act") to exercise all powers of the Company to allot shares in the Company or to grant rights to subscribe for or to convert any security into shares in the Company up to an aggregate nominal amount of £13,532,821, and up to a further nominal amount of £ 13,532,821 in connection with a rights issue, provided that this authority shall expire on the date of the Company's next annual general meeting or 30 June 2016, whichever is earlier. Special resolutions 17 Grant of authority to 377,757,378 377,756,615 100.00 763 0.00 1,692 the Directors of the Company pursuant to Section 570 of the Act to allot equity securities (within the meaning of Section 560 of the Act) wholly for cash as if Section 561 (1) of the Act did not apply (a) in connection with a pre-emptive offer or rights issue or (b) otherwise up to an aggregate nominal value of £2,050,427. This authority shall expire when the authority to allot referred to above expires. 18 Grant of authority to 377,571,928 377,366,404 99.95 205,524 0.05 187,142 the Company for the purpose of Section 701 of the Act to make market purchases (as defined in Section 693 (4) of that Act) of Ordinary Shares each in the capital of the Company, subject to satisfying certain conditions and provided that the authority shall expire at the conclusion of the Company's next annual general meeting, or 30 June 2016, whichever is earlier. 19 Grant of authority to 377,657,377 361,598,898 95.75 16,058,479 4.25 1,692 the Company to call a general meeting other than an annual general meeting on not less than 14 clear days' notice, provided that facilities are available to shareholders to vote by electronic means for meetings called at such notice. VOTES OF INDEPDNDENT SHAREHOLDERS (EXCLUDING THE VOTING INTERESTS OF BARRICKGOLD CORPORATION AND ITS ASSOCIATES AS CONTROLLING SHAREHOLDER) ON THERESOLUTIONS FOR THE ELECTION OF THE INDEPENDENT NON-EXECUTIVE DIRECTORS Ordinary Total votes For (*) % Against % Vote resolutions: cast (*) withheld (**) 6 Election of 115,510,328 114,383,448 99.02 1,126,880 0.98 1,792 Ambassador Mwapachu as a Director (independent non-executive) of the Company. 7 Election of 115,510,328 115,473,449 99.97 36,879 0.03 1,792 Graham Clow as a Director (independent non-executive) of the Company. 8 Election of 115,510,370 114,654,332 99.26 856,038 0.74 1,750 Rachel English as a Director (independent non-executive) of the Company. 9 Election of 115,510,328 114,306,048 98.96 1,204,280 1.04 1,792 Andre Falzon as a Director (independent non-executive) of the Company. 10 Election of 115,510,328 115,397,190 99.90 113,138 0.10 1,792 Michael Kenyon as a Director (independent non-executive) of the Company. 11 Election of 115,510,328 115,473,449 99.97 36,879 0.03 1,792 Steve Lucas as a Director (independent non-executive) of the Company. 12 Election of 115,510,328 114,646,511 99.25 863,817 0.75 1,792 Peter Tomsett as a Director (independent non-executive) of the Company. (*) Includes discretionary votes(**) A vote withheld is not a vote in law and is not counted in the calculationof the proportion of votes for and against a resolution. ENQUIRIES For further information contact: Acacia Mining plc +44 (0)207 129 7150 Giles Blackham, Investor Relations Manager This announcement is for information purposes only and does not constitute aninvitation or offer to underwrite, subscribe for or otherwise acquire ordispose of any securities of ABG in any jurisdiction.