UNITED STATIONERS INC

CUSIP: 913004107 Class: COM

MASON STREET ADVISORS, LLC's Holding History (CIK: 0001167711)

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

Q1 2015
Shares 5,120 Value ($000) $210 Avg Close — Range —
Q4 2014
Shares 5,004 Value ($000) $211 Avg Close — Range —
Q3 2014
Shares 4,862 Value ($000) $183 Avg Close — Range —
Q2 2014
Shares 4,951 Value ($000) $205 Avg Close — Range —
Q1 2014
Shares 4,838 Value ($000) $199 Avg Close — Range —
Q4 2013
Shares 6,350 Value ($000) $291 Avg Close — Range —
Q3 2013
Shares 5,863 Value ($000) $255 Avg Close — Range —
Q2 2013
Shares 5,620 Value ($000) $189 Avg Close — Range —