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Company Secretary and Registered Office

Sovereign House
Vision Park
Cambridge, CB24 9BZ

Tel: +44 (0)1223 266800
Fax: is +44 (0)1223 235667


Link Asset Services
The Registry
34 Beckenham Road
Kent BR3 4TU Tel: 0871 664 0300
Tel (from outside the UK): +44 (0) 371 664 0300

Citibank contact:

Depositary Bank
Crest participant ID : BA01D
National City Nominees
Citigroup Centre, 33 Canada Square,
Canary Wharf, London E1

For General Investor Queries

Stephen Schultz
Vice President, Investor Relations
+1 917-280-2424

Whistleblower Hotline

United Kingdom 0800 374199
USA 1877 533 5310
Email address:


This section of the website was last updated to comply with Rule 26 on: 9 August 2016

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