Completion of Idemitsu Petroleum UK Acquisition

8th December 2017

RockRose Energy PLC

Completion of Idemitsu Petroleum UK Ltd. Acquisition

This announcement contains inside information.

Following receipt of a letter of comfort from OGA, RockRose Energy plc is pleased to confirm completion of the purchase of Idemitsu Petroleum UK Ltd.

Ends

Enquiries:

RockRose Energy plc +44 (0)20 3826 4800

Broker Hannam & Partners (Advisory) LLP

Giles Fitzpatrick / Andrew Chubb +44 (0)20 7907 8500

Financial PRCamarco

Billy Clegg +44 (0)20 3757 4980

Georgia Edmonds

Ollie Head

For further information, please visit the Company's updated website at www.rockroseenergy.com.

Definitions: