VOCUS INC

CUSIP: 92858J108 Class: CMN

Tower Research Capital LLC (TRC)'s Holding History (CIK: 0001533421)

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

Q1 2014
Shares 3,937 Value ($000) $52 Avg Close — Range —
Q4 2013
Shares 552 Value ($000) $6 Avg Close — Range —
Q3 2013
Shares 6,355 Value ($000) $59 Avg Close — Range —