VOCUS INC

CUSIP: 92858J108 Class: CMN

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q1 2014
Shares 119,698 Value ($000) $1,596 Avg Close — Range —
Q4 2013
Shares 122,600 Value ($000) $1,396 Avg Close — Range —
Q3 2013
Shares 11,906 Value ($000) $111 Avg Close — Range —
Q2 2013
Shares 100 Value ($000) $1 Avg Close — Range —