ALEXION PHARMACEUTICALS INC

CUSIP: 015351109 Class: COM

GUARDIAN CAPITAL LP's Holding History (CIK: 0001224324)

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

Q4 2014
Shares 3,590 Value ($000) $664 Avg Close — Range —
Q2 2014
Shares 1,611 Value ($000) $252 Avg Close — Range —