SOURCEFIRE INC

CUSIP: 83616T108 Class: COMMON STOCK

GAM Holding AG's Holding History (CIK: 0001438848)

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

Q3 2013
Shares 16,000 Value ($000) $1,215 Avg Close — Range —
Q2 2013
Shares 34,000 Value ($000) $1,889 Avg Close — Range —