ALEXION PHARMACEUTICALS INC

CUSIP: 015351109 Class: COM

SAMLYN CAPITAL, LLC's Holding History (CIK: 0001421097)

Note: Option positions (PUT/CALL) are excluded.

Q2 2017
Shares 84,100 Value ($000) $10,233 Avg Close — Range —
Q1 2017
Shares 49,300 Value ($000) $5,977 Avg Close — Range —
Q4 2016
Shares 34,000 Value ($000) $4,160 Avg Close — Range —
Q2 2014
Shares 129,000 Value ($000) $20,156 Avg Close — Range —
Q1 2014
Shares 126,600 Value ($000) $19,260 Avg Close — Range —
Q4 2013
Shares 284,700 Value ($000) $37,832 Avg Close — Range —