Corporate Advisors

Legal U.S.

3000 Two Logan Square
Eighteenth and Arch Streets
Philadelphia,
PA 19103-2799
United States

Legal UK

Botanic House
100 Hills Road
Cambridge CB2 1PH
United Kingdom

Auditors

55 Baker St
London W1U 7EU
United Kingdom

U.S. Media & Investor Relations

420 Lexington Avenue
Suite 830
New York, NY 10170
United States

EU Media & Investor Relations

41 Lothbury
London EC2R 7HG
United Kingdom

Intellectual Property

20 Red Lion Street
London WC1R 4PJ
United Kingdom