SOURCEFIRE INC

CUSIP: 83616T108 Class: COMMON STOCK

NWAM LLC's Holding History (CIK: 0001655006)

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

Q4 2012
Shares 10,818 Value ($000) $511 Avg Close — Range —
Q3 2012
Shares 10,419 Value ($000) $511 Avg Close — Range —
Q2 2012
Shares 9,938 Value ($000) $511 Avg Close — Range —