Glossary

| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Sym|

A

AGM Annual General Meeting

°API Degrees API, a standard measure of oil density defined by the American Petroleum Institute

B

BAP Biodiversity Action Plan

bbl Barrel

bcf Billion cubic feet

bfpd Barrels of fluid per day

BitC Business in the Community

boe Barrels of oil equivalent

boepd Barrels of oil equivalent per day

bopd Barrels of oil per day

bwpd Barrels of water per day

C

C&EMT Crisis and Emergency Management Team

CDP Carbon Disclosure Project

CMS Caister Murdoch System

CMS III A group development of five satellite fields linked to CMS

CMT Crisis Management Team

CO2 Carbon Dioxide

CSR Corporate Social Responsibility

D

D&PL Development and Production Lease

DSBP Deferred Share Bonus Plan

DSE Display Screen Equipment

DTI Department of Trade and Industry (United Kingdom)

E

EA Environment Agency

EAGHL Energy Africa Gabon Holdings Limited

ECOFAC Programme for Conservation and Rational Utilization of Forest Ecosystems in Central Africa

EHS Environment Health & Safety

EIRIS Ethical Investment Research Service

EITI Extractive Industry Transparency Initiative

ESIA Environmental and Social Impact Assessment

ESOS Executive Share Option Scheme

EU European Union

EUETS European Union Emissions Trading Scheme

EURIBOR  Euro Interbank Offered Rate

F

FAC First Aid Case

Farm in To acquire and interest in a licence from another party with conditions

Farm-in An agreement to acquire an interest in a licence by farming in

Farmout A licence intreset that has been farmed out

FPSO  Floating production, storage & offtake vessel

FRS Financial Reporting Standard

G

GBP British Pound

GDS  Global Depositary Share

GHG Greenhouse Gases

GRI Global Reporting Initiative

H

HIPO High Potential Incident

HR Human Resources

I

IAS  International Accounting Standard

IFRIC International Financial Reporting Interpretations Committee

IFRS  International Financial Reporting Standard

IMS Integrated Management System

IR Investor Relations

ISO International Organisation for Standardisation

K

Km Kilometre

L

LAPS Lancelot Area Pipeline System

LIBOR London Interbank Offered Rate

LNG Liquid Natural Gas

LRQA Lloyds Register Quality Assurance

LTI Lost Time Incident

LTIFR LTI Frequency Rate measured in LTI's per million worker hours

LWDC Lost Work Day Case

M

m3 Cubic metres

mg/kg Milligrammes per kilogram

mg/l Milligrammes per litre

mmbbl Million barrels

mmboe Millions of barrels of oil equivalent

mmscfd Millions of standard cubic feet per day

MTC Medical Treatment Case

N

NEBOSH National Examination Board in Occupational Safety and Health

NGO Non-Governmental Organisation

NOx Nitrogen Oxide

O

OGP International Association of Oil and Gas Producers

OPPC Oil Polution Prevention and Control

OSPAR Oslo/Paris Convention on the protection of the marine environment

P

p Penny or pence Sterling

PEL Petroleum Exploration Licence

PRT Petroleum Revenue Tax

PSC Production Sharing Contract

PSP Perfpormance Share Plan

PTW Permit to Work

PWRI Public Works Research Institute

R

RoSPA The Royal Society for the Prevention of Accidents

RWDC Restricted Work Day Case

S

SCT Supplementary Corporation Tax

SEE Social, Ethical and Environmental

SIP Share Incentive Plan

SNS Southern North Sea

SORP Statement of Recommended Practice

Sox Sulfur Oxide

Spud to commence drilling a well

sq km Square kilometres

T

tcf Trillion cubic feet

TOUK Tullow Oil United Kingdom Ltd.

TRI Total Recordable Incidents

TRIFR Total Recordable Incident Frequency Rate

TSR   Total Shareholder Return

U

UKOOA United Kingdom Offshore Operators Association

W

WAEP Weighted Average Exercise Price

Sym

$ US Dollar