OM GROUP INC

CUSIP: 670872100 Class: COM

GREAT WEST LIFE ASSURANCE CO /CAN/'s Holding History (CIK: 0001046192)

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

Q3 2015
Shares 3,057 Value ($000) $101 Avg Close — Range —
Q2 2015
Shares 3,057 Value ($000) $103 Avg Close — Range —
Q1 2015
Shares 3,057 Value ($000) $92 Avg Close — Range —
Q4 2014
Shares 3,057 Value ($000) $91 Avg Close — Range —
Q3 2014
Shares 3,057 Value ($000) $80 Avg Close — Range —
Q2 2014
Shares 3,057 Value ($000) $99 Avg Close — Range —
Q1 2014
Shares 893 Value ($000) $29 Avg Close — Range —
Q4 2013
Shares 893 Value ($000) $33 Avg Close — Range —