5^th January 2015

Amerisur Resources Plc

Director Appointment

Stephen Foss appointed Senior Independent non-executive Director

Amerisur Resources Plc ("Amerisur" or the "Company"), the oil and gas producer and explorer focused on South America, is pleased to announce the appointment of Stephen Foss as a Senior Independent non-executive Director with immediate effect.

Mr Foss has over 30 years of experience in the capital markets industry, having spent his career in Australia, Canada and the UK. He previously led the Royal Bank of Canada's International Equities business for Europe and Austral-Asia, prior to joining its global investment banking division in February 2011 to concentrate on senior client coverage, Sovereign Wealth Funds and origination in the natural resources sector. After graduating with a Batchelor of Arts with Honours from the University of Western Ontario, Mr. Foss began his career at the Sydney Stock Exchange and subsequently held a number of senior management positions with another global investment bank.

Mr Foss will Chair the Remuneration Committee and sit as a member of the Audit Committee.

Giles Clarke, Chairman of Amerisur, said:

"I am delighted to welcome Stephen to the Board and much look forward to working with him in the years ahead as we increase production from the Platanillo field, bring new fields into production and as we move to adding pipeline owner to our skillset and asset base.  Stephen brings with him 30 years' experience in capital markets and has an enviable network around the world within the investment community."

ENDS

ENQUIRIES:

Stephen Thor Foss is aged 55 and has no interest in the Company's shares or share options. Mr Foss has been a director or member of the following companies or partnerships during the last five years:

Other than the information set out above there is no other information required to be disclosed in connection with the appointment of Mr Foss under AIM Rule 17 and Schedule Two, paragraph (g) of the AIM Rules for Companies.