SOURCEFIRE INC

CUSIP: 83616T108 Class: COMMON STOCK

Invesco Ltd.'s Holding History (CIK: 0000914208)

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

Q3 2013
Shares 51,813 Value ($000) $3,934 Avg Close — Range —
Q2 2013
Shares 44,604 Value ($000) $2,478 Avg Close — Range —