SOURCEFIRE INC

CUSIP: 83616T108 Class: COMMON STOCK

RENAISSANCE TECHNOLOGIES LLC's Holding History (CIK: 0001037389)

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

Q3 2013
Shares 238,000 Value ($000) $18,069 Avg Close — Range —
Q2 2013
Shares 287,400 Value ($000) $15,965 Avg Close — Range —