SOURCEFIRE INC

CUSIP: 83616T108 Class: COMMON STOCK

COMMERCE BANK's Holding History (CIK: 0001009076)

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

Q2 2013
Shares 6,708 Value ($000) $373 Avg Close — Range —
Q1 2013
Shares 3,843 Value ($000) $228 Avg Close — Range —