| AGM | Annual General Meeting |
| bbl | barrel |
| bcf | billion cubic feet |
| Board | the Board of Directors of Rockhopper Exploration plc |
| boe | barrel(s) of oil equivalent |
| boepd | barrel(s) of oil equivalent per day |
| BOP | blow out preventer |
| bopd | barrel(s) of oil per day |
| Capex | capital expenditure |
| Company | Rockhopper Exploration PLC |
| E&P | exploration and production |
| EIS | Environmental Impact Statement |
| ESA | Exploration Study Agreement |
| ExCo | Executive Committee |
| Farm-in | to acquire an interest in a licence from another party |
| Farm-out | to assign an interest in a licence to another party |
| FDP | field development plan |
| FEED | front end engineering and design |
| FID | Final Investment Decision |
| FIG | Falkland Islands Government |
| FOGL | Falkland Oil & Gas Limited |
| FPSO | floating production, storage and offtake vessel |
| G&A | General & Administration expenses |
| Group | The Company and its sunsidiaries |
| GSA | Gas Sales Agreement |
| HoA | Heads of Agreement |
| HSE | health, safety and environment |
| IAS | International Accounting Standard |
| IFRS | International Financial Reporting Standard |
| JV | Joint Venture |
| kboepd | thousand barrels of oil equivalent per day |
| kbopd | thousand barrels of oil per day |
| KPI | key performance indicator |
| LoI | Letter of Intent |
| LTI | Lost Time Incident |
| LTIP | Long Term Incentive Plan |
| MOG | Mediterranean Oil & Gas plc |
| mmbbls | million barrels |
| mmboe | million barrels of oil equivalent |
| mmscfd | million standard cubic feet per day |
| mscf | thousand standard cubic feet |
| mt | metric tonne |
| NAV | net asset value |
| Premier | Premier Oil plc |
| PSA | Production Sharing Agreement |
| PSC | Production Sharing Contract |
| scm | standard cubic metre |
| SIP | Share Incentive Plan |
| spud | to commence drilling a well |
| STOIIP | stock-tank oil initially in place |
| TSR | total shareholder return |
| 2C | best estimate of contingent resources |
| 2P | proven plus probable |
| $/US$ | United States dollar |
| WI | working interest |
