VOCUS INC

CUSIP: 92858J108 Class: CMN

CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM's Holding History (CIK: 0000919079)

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

Q1 2014
Shares 61,600 Value ($000) $1,103 Avg Close — Range —
Q4 2013
Shares 15,000 Value ($000) $166 Avg Close — Range —
Q3 2013
Shares 15,798 Value ($000) $147 Avg Close — Range —
Q2 2013
Shares 8,498 Value ($000) $89 Avg Close — Range —