UNITED STATIONERS INC

CUSIP: 913004107 Class: COM

NORTHERN TRUST CORP's Holding History (CIK: 0000073124)

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

Q1 2015
Shares 972,693 Value ($000) $39,871 Avg Close — Range —
Q4 2014
Shares 911,534 Value ($000) $38,430 Avg Close — Range —
Q3 2014
Shares 928,237 Value ($000) $34,874 Avg Close — Range —
Q2 2014
Shares 942,240 Value ($000) $39,074 Avg Close — Range —
Q1 2014
Shares 977,542 Value ($000) $40,148 Avg Close — Range —
Q4 2013
Shares 997,801 Value ($000) $45,790 Avg Close — Range —
Q3 2013
Shares 974,309 Value ($000) $42,324 Avg Close — Range —
Q2 2013
Shares 955,710 Value ($000) $32,064 Avg Close — Range —