ALEXION PHARMACEUTICALS INC

CUSIP: 015351109 Class: COM

ArrowMark Colorado Holdings LLC's Holding History (CIK: 0001483859)

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

Q2 2014
Shares 19,055 Value ($000) $2,977 Avg Close — Range —
Q1 2014
Shares 19,055 Value ($000) $2,899 Avg Close — Range —
Q4 2013
Shares 19,230 Value ($000) $2,555 Avg Close — Range —
Q3 2013
Shares 18,500 Value ($000) $2,149 Avg Close — Range —
Q2 2013
Shares 18,500 Value ($000) $1,706 Avg Close — Range —