VOCUS INC

CUSIP: 92858J108 Class: CMN

FIRST TRUST ADVISORS LP's Holding History (CIK: 0001125816)

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

Q1 2014
Shares 976,391 Value ($000) $13,015 Avg Close — Range —
Q4 2013
Shares 1,044,618 Value ($000) $11,898 Avg Close — Range —
Q3 2013
Shares 820,123 Value ($000) $7,635 Avg Close — Range —
Q2 2013
Shares 697,975 Value ($000) $7,343 Avg Close — Range —