UNITED STATIONERS INC

CUSIP: 913004107 Class: COM

BANK OF MONTREAL /CAN/'s Holding History (CIK: 0000927971)

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

Q2 2014
Shares 1,010 Value ($000) $42 Avg Close — Range —
Q4 2013
Shares 300 Value ($000) $14 Avg Close — Range —
Q3 2013
Shares 300 Value ($000) $13 Avg Close — Range —
Q2 2013
Shares 270 Value ($000) $9 Avg Close — Range —