SOURCEFIRE INC

CUSIP: 83616T108 Class: COMMON STOCK

Employees Retirement System of Texas's Holding History (CIK: 0001398739)

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

Q3 2013
Shares 19,000 Value ($000) $1,442 Avg Close — Range —
Q2 2013
Shares 87,000 Value ($000) $4,833 Avg Close — Range —