SOURCEFIRE INC

CUSIP: 83616T108 Class: COMMON STOCK

CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM's Holding History (CIK: 0000919079)

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

Q3 2013
Shares 78,583 Value ($000) $5,966 Avg Close — Range —
Q2 2013
Shares 61,583 Value ($000) $3,421 Avg Close — Range —