Advisors

Nominated Advisor

Strand Hanson Limited
26 Mount Row
London W1K 3SQ

Broker

Arbuthnot Securities Limited
Arbuthnot House
20 Ropemaker Street
London EC2Y 9AR

OTCQX Designated Advisor for Disclosure

Reporting Accountants

Ernst & Young LLP
1 More London Place
London
SE1 2AF

Auditors

PricewaterhouseCoopers LLP
1201 Louisiana
Suite 2900
Houston, Texas 77002-5678

Registrar

Computershare (U.S.)
250 Royall Street
Canton, MA  02021-1011
(781) 575-4154

Computershare (Channel Islands)
31 Pier Road
St. Helier
Jersey, JE4 8PW
+44 1534 825263

Petroleum Consultants

Netherland, Sewell & Associates, Inc.
4500 Thanksgiving Tower
1601 Elm Street
Dallas
Texas 75201

Legal Counsel

Lawrence Graham LLP
4 More London Riverside
London SE1 2AU
United Kingdom
+44 20 7379 0000

Porter & Hedges, LLP
1000 Main Street, 36th Floor
Houston, TX 77002
(713) 226-6629

Public Relations

gabbegroup
104 Fifth Avenue
New York, NY 10011
Phone:  (212) 220 - 4444
www.gabbegroup.com