UNITED STATIONERS INC

CUSIP: 913004107 Class: COM

ProShare Advisors LLC's Holding History (CIK: 0001357955)

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

Q1 2015
Shares 11,700 Value ($000) $480 Avg Close — Range —
Q4 2014
Shares 9,633 Value ($000) $406 Avg Close — Range —
Q3 2014
Shares 16,834 Value ($000) $632 Avg Close — Range —
Q2 2014
Shares 21,061 Value ($000) $873 Avg Close — Range —
Q1 2014
Shares 42,241 Value ($000) $1,735 Avg Close — Range —
Q4 2013
Shares 6,450 Value ($000) $296 Avg Close — Range —
Q3 2013
Shares 30,259 Value ($000) $1,316 Avg Close — Range —
Q2 2013
Shares 28,936 Value ($000) $971 Avg Close — Range —