SOURCEFIRE INC

CUSIP: 83616T108 Class: COMMON STOCK

TWO SIGMA INVESTMENTS, LP's Holding History (CIK: 0001179392)

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

Q3 2013
Shares 9,256 Value ($000) $702 Avg Close — Range —
Q2 2013
Shares 49,079 Value ($000) $2,726 Avg Close — Range —