Company Presentation

16 April 2018

Amerisur Resources Plc ("Amerisur" or the "Company")

Company Presentation

Amerisur Resources Plc, the oil and gas producer and explorer focused on South America, is pleased to announce that an updated analyst and investor presentation will be uploaded to its website early this afternoon and can be accessed here: http://www.amerisurresources.com/investor-centre/reports-and-presentations 

The presentation provides the following update regarding CPO-5. Pressure Build Up analysis of Mariposa-1 indicates that additional perforations may further improve the flow characteristics of the well. This operation is under consideration by the partners.

Ends

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Notes to editors

Amerisur Resources is an independent full-cycle oil and gas company focused on South America, with assets in Colombia and Paraguay and production from two fields in Colombia. In 2016 Amerisur successfully built and is 100% owner of the strategic OBA oil transfer line into Ecuador.

In Colombia, the Company is operator and has a 100% working interest in the Platanillo block which includes the Platanillo producing field in the Putumayo basin, and holds a 30% non-operated working interest in the CPO-5 block containing the Mariposa-1 producing field in the Llanos basin. Amerisur is currently producing approximately 6,500 bopd.

Amerisur has a strong position in the Putumayo basin and has a cluster of near term activity assets around the OBA export line.

This announcement contains inside information as defined in EU Regulation No. 596/2014 and is in accordance with the Company's obligations under Article 17 of that Regulation.

www.amerisurresources.com