UNITED STATIONERS INC

CUSIP: 913004107 Class: COM

CITADEL ADVISORS LLC's Holding History (CIK: 0001423053)

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

Q1 2015
Shares 204,711 Value ($000) $8,391 Avg Close — Range —
Q4 2014
Shares 193,409 Value ($000) $8,154 Avg Close — Range —
Q3 2014
Shares 192,134 Value ($000) $7,219 Avg Close — Range —
Q2 2014
Shares 126,658 Value ($000) $5,253 Avg Close — Range —
Q1 2014
Shares 90,919 Value ($000) $3,734 Avg Close — Range —
Q4 2013
Shares 91,585 Value ($000) $4,203 Avg Close — Range —
Q3 2013
Shares 110,090 Value ($000) $4,789 Avg Close — Range —
Q2 2013
Shares 110,634 Value ($000) $3,711 Avg Close — Range —