Analyst	Firm
Tom Shrader	BMO Capital
Rachel McMinn	Cowen and Company
Michael Aberman	Credit Suisse
Dave Webber	First Albany
Meg Malloy	Goldman Sachs
David Munno	Merrill Lynch
Sapna Srivasatava	Morgan Stanley
Caroline Stewart	Piper Jaffray
George Farmer	Wachovia Securities

Alexion Pharmaceuticals, Inc. is followed by the analyst(s) listed above. Please note that any opinions, estimates or forecasts regarding Alexion Pharmaceuticals, Inc.'s performance made by these analysts are theirs alone and do not represent opinions, forecasts or predictions of Alexion Pharmaceuticals, Inc. or its management. Alexion Pharmaceuticals, Inc. does not by its reference above or distribution imply its endorsement of or concurrence with such information, conclusions or recommendations.