Rockhopper Regulatory News (RKH)

For immediate release: 20 May 2015

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 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 yesterday 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

For further information, please contact:

Rockhopper Exploration plc

Tel: (via Vigo Communications) - 020 7016 9571

Sam Moody - Chief Executive

Fiona MacAulay - Chief Operating Officer

Stewart MacDonald - Chief Financial Officer

Canaccord Genuity Limited (NOMAD and Joint Broker)

Tel: 020 7523 8000

Henry Fitzgerald-O'Connor

Liberum Capital (Joint Broker)

Tel: 020 3100 2227

Clayton Bush

Vigo Communications

Tel: 020 7016 9571

Peter Reilly

Patrick d'Ancona