UNITED STATIONERS INC

CUSIP: 913004107 Class: COM

Public Sector Pension Investment Board's Holding History (CIK: 0001396318)

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

Q1 2015
Shares 72,888 Value ($000) $2,988 Avg Close — Range —
Q4 2014
Shares 73,052 Value ($000) $3,080 Avg Close — Range —
Q3 2014
Shares 73,052 Value ($000) $2,745 Avg Close — Range —
Q2 2014
Shares 86,452 Value ($000) $3,585 Avg Close — Range —
Q1 2014
Shares 79,944 Value ($000) $3,283 Avg Close — Range —
Q4 2013
Shares 97,144 Value ($000) $4,458 Avg Close — Range —
Q3 2013
Shares 95,944 Value ($000) $4,174 Avg Close — Range —
Q2 2013
Shares 76,744 Value ($000) $2,575 Avg Close — Range —