OM GROUP INC

CUSIP: 670872100 Class: COM

MILLENNIUM MANAGEMENT LLC's Holding History (CIK: 0001273087)

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

Q2 2015
Shares 53,698 Value ($000) $1,804 Avg Close — Range —
Q1 2015
Shares 285,370 Value ($000) $8,570 Avg Close — Range —
Q4 2014
Shares 108,539 Value ($000) $3,234 Avg Close — Range —
Q3 2014
Shares 20,902 Value ($000) $542 Avg Close — Range —
Q1 2014
Shares 259,357 Value ($000) $8,616 Avg Close — Range —
Q4 2013
Shares 68,413 Value ($000) $2,491 Avg Close — Range —
Q3 2013
Shares 30,304 Value ($000) $1,024 Avg Close — Range —
Q2 2013
Shares 191,994 Value ($000) $5,936 Avg Close — Range —