Result of AGM

18 May 2018 

Rockhopper Exploration plc

("Rockhopper" or the "Company")

Result of Annual General Meeting

Rockhopper Exploration plc (AIM: RKH), the oil and gas exploration and production company with key interests in the North Falkland Basin and the Greater Mediterranean region, is pleased to announce that all resolutions proposed at the Annual General Meeting ("AGM") of the Company held today were duly passed.

A presentation given at the AGM is available for viewing on the Company's website:

http://www.rockhopperexploration.co.uk/rockhopper/investors/presentations.html.

As previously announced, John Martin indicated his intention to retire from the Board as Non-Executive Director and as such, did not seek re-election at the AGM. His resignation is effective immediately. The Company would like to thank John for his contribution over the last two years.

Enquiries:

Rockhopper Exploration plc

Sam Moody - Chief Executive

Stewart MacDonald - Chief Financial Officer

Tel. +44 (0) 20 7830 9704 (via Vigo Communications)

Canaccord Genuity Limited (NOMAD and Joint Broker)

Henry Fitzgerald-O'Connor/James Asensio

Tel. +44 (0) 20 7523 8000

Peel Hunt LLP (Joint Broker)

Richard Crichton

Tel. +44 (0) 20 7418 8900

Vigo Communications

Patrick d'Ancona/Ben Simons

Tel. +44 (0) 20 7830 9704