You may contact Alexion Pharmaceuticals through any of the following points of contact:

 Alexion Pharmaceuticals, Inc.

Mailing Address
352 Knotter Dr.
Cheshire, CT 06410
Telephone: (203) 272-ALXN (2596)
Fax: (203) 271-8198

EMail Addresses
Human Resources
Investor Relations
mediaRelations@alxn.com
PNH Inquiry

Transfer Agent
Continental Stock Transfer & Trust Company
2 Broadway Street
New York, New York 10004

 Alexion Europe

Mailing Address
54/56 Avenue Hoche
75008 Paris
France

EMail Addresses
 Pharmacovigilance: pharmacovigilance.europe@alxn.com
 Medical Information: medicalinformation.europe@alxn.com
 Alexion Europe: alexion.europe@alxn.com

 Alexion France

Mailing Address
56 Avenue Hoche
75008 Paris
France

EMail Addresses
 alexion.france@alxn.com 

 Alexion Germany

Mailing Address
Alexion Pharma Germany GmbH
Landsberger Strasse 155
80 687 MÜNCHEN
Germany

EMail Addresses
 alexion.germany@alxn.com

 Alexion Italy

Mailing Address
Via Monte di Pieta, 21
20121 - Milano
Italy

EMail Addresses
 alexion.italy@alxn.com

 Alexion Spain

Mailing Address
Alexion Pharma Spain SL
World Trade Center
Moll de Barcelona, s/n
Edificio Sur, 2ª planta.
08039 Barcelona. ESPAÑA

EMail Addresses
 alexion.spain@alxn.com

 Alexion UK

Mailing Address
Alexion Pharma UK Ltd
3000 Cathedral Hill
Guildford
Surrey
GU2 7YB

EMail Addresses
 alexion.uk@alxn.com