Nominated adviser and broker

Investec Bank Plc
30 Gresham Street
London
EC2V 7QP
Legal advisers to the company

CMS Cameron McKenna Nabarro Olswang LLP
Cannon Place
78 Cannon Street
London
EC4N 6AF
US legal advisers

Graves Dougherty Hearon & Moody
401 Congress Avenue
Suite 2200
Austin
Texas
78701 USA
US legal advisers

Grant Thornton UK LLP
3140 Rowan Place
John Smith Drive
Oxford Business
Park South
Oxford
OX4 2WB
Registrar

Computershare Investor Services PLC
The Pavilions
Bridgwater Road
Bristol
BS13 8AE