OM GROUP INC

CUSIP: 670872100 Class: COM

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

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

Q1 2015
Shares 9,314 Value ($000) $280 Avg Close — Range —
Q4 2014
Shares 10,279 Value ($000) $306 Avg Close — Range —
Q3 2014
Shares 10,279 Value ($000) $267 Avg Close — Range —
Q2 2014
Shares 11,079 Value ($000) $359 Avg Close — Range —
Q1 2014
Shares 9,154 Value ($000) $304 Avg Close — Range —
Q4 2013
Shares 23,484 Value ($000) $855 Avg Close — Range —
Q3 2013
Shares 29,137 Value ($000) $984 Avg Close — Range —
Q2 2013
Shares 20,018 Value ($000) $619 Avg Close — Range —