OM GROUP INC

CUSIP: 670872100 Class: COM

TWO SIGMA INVESTMENTS, LP's Holding History (CIK: 0001179392)

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

Q3 2015
Shares 55,553 Value ($000) $1,827 Avg Close — Range —
Q2 2015
Shares 65,693 Value ($000) $2,207 Avg Close — Range —
Q1 2015
Shares 137,932 Value ($000) $4,142 Avg Close — Range —
Q4 2014
Shares 173,145 Value ($000) $5,160 Avg Close — Range —
Q3 2014
Shares 66,600 Value ($000) $1,728 Avg Close — Range —
Q2 2014
Shares 89,812 Value ($000) $2,913 Avg Close — Range —
Q1 2014
Shares 35,048 Value ($000) $1,164 Avg Close — Range —
Q4 2013
Shares 117,176 Value ($000) $4,267 Avg Close — Range —
Q3 2013
Shares 132,099 Value ($000) $4,462 Avg Close — Range —
Q2 2013
Shares 118,786 Value ($000) $3,673 Avg Close — Range —