ALEXION PHARMACEUTICALS INC

CUSIP: 15351109 Class: Common Stock

CANADA PENSION PLAN INVESTMENT BOARD's Holding History (CIK: 0001283718)

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

Q4 2015
Shares 54,411 Value ($000) $10,379 Avg Close — Range —
Q1 2013
Shares 33,200 Value ($000) $3,059 Avg Close — Range —