ALEXION PHARMACEUTICALS INC

CUSIP: 015351109 Class: COM

CLOUGH CAPITAL PARTNERS L P's Holding History (CIK: 0001276144)

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

Q3 2017
Shares 77,359 Value ($000) $10,853 Avg Close — Range —
Q2 2017
Shares 141,859 Value ($000) $17,260 Avg Close — Range —
Q1 2017
Shares 124,700 Value ($000) $15,119 Avg Close — Range —
Q4 2016
Shares 4,900 Value ($000) $600 Avg Close — Range —
Q1 2016
Shares 32,350 Value ($000) $4,504 Avg Close — Range —
Q2 2015
Shares 58,580 Value ($000) $10,590 Avg Close — Range —