UNITED STATIONERS INC

CUSIP: 913004107 Class: COM

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q1 2015
Shares 1,330,529 Value ($000) $54,537 Avg Close — Range —
Q4 2014
Shares 1,181,111 Value ($000) $49,797 Avg Close — Range —
Q3 2014
Shares 1,119,104 Value ($000) $42,046 Avg Close — Range —
Q2 2014
Shares 1,063,928 Value ($000) $44,120 Avg Close — Range —
Q1 2014
Shares 964,078 Value ($000) $39,593 Avg Close — Range —
Q4 2013
Shares 916,995 Value ($000) $42,081 Avg Close — Range —
Q3 2013
Shares 864,599 Value ($000) $37,609 Avg Close — Range —
Q2 2013
Shares 896,719 Value ($000) $30,086 Avg Close — Range —