UNITED STATIONERS INC

CUSIP: 913004107 Class: COM

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q1 2015
Shares 2,338,595 Value ($000) $95,859 Avg Close — Range —
Q4 2014
Shares 2,274,360 Value ($000) $95,887 Avg Close — Range —
Q3 2014
Shares 2,412,170 Value ($000) $90,625 Avg Close — Range —
Q2 2014
Shares 2,440,540 Value ($000) $101,209 Avg Close — Range —
Q1 2014
Shares 2,478,311 Value ($000) $101,784 Avg Close — Range —
Q4 2013
Shares 2,463,196 Value ($000) $113,036 Avg Close — Range —
Q3 2013
Shares 2,635,706 Value ($000) $114,653 Avg Close — Range —
Q2 2013
Shares 2,479,594 Value ($000) $83,191 Avg Close — Range —