VOCUS INC

CUSIP: 92858J108 Class: CMN

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q1 2014
Shares 34,033 Value ($000) $454 Avg Close — Range —
Q4 2013
Shares 34,033 Value ($000) $388 Avg Close — Range —
Q3 2013
Shares 33,833 Value ($000) $315 Avg Close — Range —
Q2 2013
Shares 32,745 Value ($000) $344 Avg Close — Range —
Q1 2013
Shares 35,805 Value ($000) $507 Avg Close — Range —