SOURCEFIRE INC

CUSIP: 83616T108 Class: COMMON STOCK

CHARLES SCHWAB INVESTMENT MANAGEMENT INC's Holding History (CIK: 0000884546)

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

Q3 2013
Shares 76,679 Value ($000) $5,824 Avg Close — Range —
Q2 2013
Shares 71,793 Value ($000) $3,973 Avg Close — Range —