SOURCEFIRE INC

CUSIP: 83616T108 Class: COMMON STOCK

Clearbridge Investments, LLC's Holding History (CIK: 0001348883)

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

Q3 2013
Shares 933,548 Value ($000) $70,875 Avg Close — Range —
Q2 2013
Shares 841,585 Value ($000) $46,751 Avg Close — Range —