Results of placing

THIS ANNOUNCEMENT AND THE INFORMATION CONTAINED HEREIN IS RESTRICTED AND IS NOT FOR RELEASE, PUBLICATION OR DISTRIBUTION, IN WHOLE OR IN PART, DIRECTLY OR INDIRECTLY, IN OR INTO THE UNITED STATES, AUSTRALIA, CANADA, JAPAN, JERSEY, SOUTH AFRICA OR ANY OTHER JURISDICTION IN WHICH SUCH RELEASE, PUBLICATION OR DISTRIBUTION WOULD BE UNLAWFUL.

9 March 2016

Amerisur Resources Plc

Results of placing

Amerisur Resources Plc ("Amerisur" or the "Company"), the oil and gas producer and explorer focussed on South America, is pleased to announce the successful completion of the proposed placing, as announced earlier today (the "Placing").

A total of 106,000,000 new ordinary shares of 0.1 pence each in Amerisur (the "Placing Shares") have been placed by Stifel, Investec and RBC at a price of 25 pence per Placing Share, raising net proceeds of approximately US$35 million.

Simultaneously to the Placing, the Joint Bookrunners placed approximately 9.4 million existing Amerisur shares to institutional investors on behalf of Petrodorado Energy Ltd.

The Placing Shares being issued represent approximately 9.6 per cent. of the Company's existing issued ordinary share capital. The Placing Shares will, when issued, be credited as fully paid and will rank pari passu in all respects with the existing Ordinary Shares of the Company, including the right to receive all dividends or other distributions made, paid or declared in respect of such shares after the date of issue of the Placing Shares.

Application has been be made to the London Stock Exchange for admission to trading of the Placing Shares on AIM ("Admission"). It is expected that Admission will take place at 8:00 a.m. on 11 March 2016 (at which time the Placing will become unconditional) and that dealings in the Placing Shares on AIM will commence at the same time.

Amerisur's enlarged issued ordinary share capital immediately following the issue of the Placing Shares will be 1,206,452,484 Ordinary Shares. This figure may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change in interest in, the share capital of the Company under the Disclosure and Transparency Rules.

Stifel, Investec and RBC are acting as Joint Bookrunners in respect of the Placing.

John Wardle, CEO of Amerisur, commented:

"I would like to thank existing and new shareholders for their support. We have the firepower to accelerate activity across our portfolio such that we can leverage the OBA pipeline, which will be operational shortly, and which reduces OPEX per barrel significantly. We now have an active drilling programme at significantly lower costs due to the oil price climate and plan to increase reserves and production whilst maintaining our capital discipline."

Defined terms used in this announcement have the same meaning as set out in the placing announcement issued by the Company on 9 March 2016.

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IMPORTANT NOTICES

THE MATERIAL SET FORTH HEREIN IS FOR INFORMATIONAL PURPOSES ONLY AND IS NOT INTENDED, AND SHOULD NOT BE CONSTRUED, AS AN OFFER OF SECURITIES FOR SALE IN ANY JURISDICTION IN WHICH SUCH AN OFFER WOULD BE UNLAWFUL. SECURITIES MAY NOT BE OFFERED OR SOLD IN THE UNITED STATES ABSENT REGISTRATION OR AN EXEMPTION FROM REGISTRATION. THE SECURITIES OF THE COMPANY DESCRIBED HEREIN HAVE NOT BEEN AND WILL NOT BE REGISTERED UNDER THE U.S. SECURITIES ACT OF 1933, AS AMENDED (THE "US SECURITIES ACT"), OR THE LAWS OF ANY STATE OF THE UNITED STATES OR ANY JURISDICTION THEREOF, AND MAY NOT BE OFFERED, SOLD, RE-SOLD, TRANSFERRED OR DELIVERED, DIRECTLY OR INDIRECTLY, IN OR INTO THE UNITED STATES, ABSENT REGISTRATION OR PURSUANT TO AN EXEMPTION FROM, OR IN A TRANSACTION NOT SUBJECT TO, THE REGISTRATION REQUIREMENTS OF THE US SECURITIES ACT AND IN COMPLIANCE WITH THE SECURITIES LAWS OF ANY STATE OR OTHER JURISDICTION IN THE UNITED STATES.

The distribution of this announcement and the Placing of the Placing Shares as set out in this announcement in certain jurisdictions may be restricted by law. No action has been taken that would permit an offering of such shares or possession or distribution of this announcement or any other offering or publicity material relating to such shares in any jurisdiction where action for that purpose is required. Persons into whose possession this announcement comes are required to inform themselves about, and to observe, such restrictions. Any failure to comply with these restrictions may constitute a violation of the securities laws of any such jurisdiction.

This communication does not constitute an offer of securities to the public in the United States, the United Kingdom or in any other jurisdiction. There will be no public offer of securities in the United States, United Kingdom or in any other jurisdiction. This communication is directed only at persons (i) having professional experience in matters relating to investments who fall within the definition of "investment professionals" in Article 19(5) of the Financial Services and Markets Act 2000 (Financial Promotion) Order 2005 (the "Order"), (ii) who are high net worth companies, unincorporated associations and other persons to whom it may lawfully be communicated in accordance with Article 49(2)(a) to (d) of the Order, or (iii) other persons to whom it may lawfully be communicated (all such persons together being referred to as "relevant persons"). Any investment activity in connection with the Placing will only be available to, and will only be engaged with, relevant persons. Any person who is not a relevant person should not act or rely on this announcement or any of its contents.

In member states of the European Economic Area, this announcement is only addressed to and directed at persons who are "qualified investors" within the meaning of Article 2(1)(e) of the Prospectus Directive (Directive 2003/71/EC (and amendments thereto, including the 2010 PD Amending Directive, to the extent implemented in the Relevant Member State) and includes any relevant implementing measure in each Relevant Member State).

This announcement includes statements that are, or may be deemed to be, "forward-looking statements", including within the meaning of Section 27A of the US Securities Act and Section 21E of the U.S. Securities Exchange Act of 1934. These forward-looking statements are based on the Company's current expectations and projections about future events and can be identified by the use of a date in the future or forward-looking terminology, including, but not limited to, the terms "may", "believes", "estimates", "plans", "aims", "targets", "projects", "anticipates", "expects", "intends", "will", "could" or "should" or, in each case, their negative or other variations or comparable terminology. These forward-looking statements include matters that are not historical facts and include statements regarding the Company's intentions, beliefs or current expectations. They are not guarantees of future performance. By their nature, forward-looking statements involve risk and uncertainty because they relate to future events and circumstances. A number of factors could cause actual results and developments to differ materially from those expressed or implied by the forward-looking statements. Any forward-looking statements in this announcement reflect the Company's view with respect to future events as at the date of this announcement and are subject to risks relating to future events and the Company's operations, results of operations, financial condition, growth, strategy, liquidity and the industry in which the Company operates. No assurances can be given that the forward-looking statements in this announcement will be realised. Neither the Company, Stifel, Investec nor RBC undertake any obligation nor do they intend to revise or update any forward-looking statements in this announcement to reflect events or circumstances after the date of this announcement (except, in the case of the Company, to the extent required by the Financial Conduct Authority (the "FCA"), the London Stock Exchange or by applicable law, the AIM Rules or the Disclosure Rules and Transparency Rules). None of the future projections, expectations, estimates or prospects in this announcement should be taken as forecasts or promises nor should they be taken as implying any indication, assurance or guarantee that the assumptions on which such future projections, expectations, estimates or prospects have been prepared are correct or exhaustive or, in the case of the assumptions, fully stated in the announcement. As a result of these risks, uncertainties and assumptions, prospective investors should not place undue reliance on these forward-looking statements as a prediction of actual results or otherwise. The Company undertakes no obligation to update the forward-looking statements in this announcement or any other forward-looking statements it may make. Forward-looking statements in this announcement are current only as of the date on which such statements are made.

This announcement has been issued by, and is the sole responsibility of, the Company. This announcement is for information only and does not constitute an offer or invitation to underwrite, subscribe for or otherwise acquire or dispose of any securities or investment advice in any jurisdiction in which such an offer or solicitation is unlawful, including without limitation, the United States, Australia, Canada, Japan, Jersey or South Africa. Any failure to comply with these restrictions may constitute a violation of the securities laws of such jurisdictions. Persons needing advice should consult an independent financial adviser.

Neither Stifel, Investec nor RBC nor any of their respective affiliates, parent undertakings, subsidiary undertakings or subsidiaries of their parent undertakings nor any of their respective directors, officers, employees or advisers nor any other person accepts any responsibility whatsoever and makes no representation or warranty, express or implied, for or in respect of the contents of this announcement and, without prejudice to the generality of the foregoing, no responsibility or liability is accepted by any of them for any such information or opinions or for any errors or omissions.

Stifel, which is regulated by the FCA in the United Kingdom is acting solely for the Company in relation to the Placing and nobody else and will not be responsible to anyone other than the Company for providing the protections afforded to the clients of Stifel nor for providing advice in relation to the Placing or any other matter referred to in this announcement. Apart from the responsibilities and liabilities, if any, which may be imposed upon Stifel by the Financial Services and Markets Act 2000 or the regulatory regime established thereunder, Stifel does not accept any responsibility whatsoever or make any representation or warranty, express or implied, concerning the contents of this announcement, including its accuracy, completeness or verification, or concerning any other statement made or purported to be made by it, or on its behalf, in connection with the Company, the Placing Shares or the Placing and nothing in this announcement is, or shall be relied upon as, a promise or representation in this respect, whether as to the past or future. Stifel accordingly disclaims, to the fullest extent permitted by law, all and any responsibility and liability whether arising in tort, contract or otherwise (save as referred to herein) which it might otherwise have in respect of this announcement or any such statement.

Investec, which is authorised by the Prudential Regulatory Authority and is regulated in the United Kingdom by the FCA and the Prudential Regulatory Authority, is acting solely for the Company in relation to the Placing and nobody else and will not be responsible to anyone other than the Company for providing the protections afforded to the clients of Investec nor for providing advice in relation to the Placing or any other matter referred to in this announcement. Apart from the responsibilities and liabilities, if any, which may be imposed upon Investec by the Financial Services and Markets Act 2000 or the regulatory regime established thereunder, Investec does not accept any responsibility whatsoever or make any representation or warranty, express or implied, concerning the contents of this announcement, including its accuracy, completeness or verification, or concerning any other statement made or purported to be made by it, or on its behalf, in connection with the Company, the Placing Shares or the Placing and nothing in this announcement is, or shall be relied upon as, a promise or representation in this respect, whether as to the past or future. Investec accordingly disclaims, to the fullest extent permitted by law, all and any responsibility and liability whether arising in tort, contract or otherwise (save as referred to herein) which it might otherwise have in respect of this announcement or any such statement.

RBC, which is authorised by the Prudential Regulation Authority and regulated in the United Kingdom by the FCA and the Prudential Regulation Authority is acting solely for the Company in relation to the Placing and nobody else and will not be responsible to anyone other than the Company for providing the protections afforded to the clients of RBC nor for providing advice in relation to the Placing or any other matter referred to in this announcement. Apart from the responsibilities and liabilities, if any, which may be imposed upon RBC by the Financial Services and Markets Act 2000 or the regulatory regime established thereunder, RBC does not accept any responsibility whatsoever or make any representation or warranty, express or implied, concerning the contents of this announcement, including its accuracy, completeness or verification, or concerning any other statement made or purported to be made by it, or on its behalf, in connection with the Company, the Placing Shares or the Placing and nothing in this announcement is, or shall be relied upon as, a promise or representation in this respect, whether as to the past or future. RBC accordingly disclaims, to the fullest extent permitted by law, all and any responsibility and liability whether arising in tort, contract or otherwise (save as referred to herein) which it might otherwise have in respect of this announcement or any such statement.

Any indication in this announcement of the price at which Placing Shares have been bought or sold in the past cannot be relied upon as a guide to future performance. No statement in this announcement is intended to be a profit forecast and no statement in this announcement should be interpreted to mean that earnings per share of the Company for the current or future financial years would necessarily match or exceed the historical published earnings per share of the Company. The price of Placing Shares and the income from them may go down as well as up and investors may not get back the full amount invested on disposal of the Placing Shares.

Neither the content of the Company's website (or any other website) nor any website accessible by hyperlinks to the Company's website is incorporated in, or forms part of, this announcement.