OM GROUP INC

CUSIP: 670872100 Class: COM

ONTARIO TEACHERS PENSION PLAN BOARD's Holding History (CIK: 0000937567)

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

Q3 2015
Shares 100,000 Value ($000) $3,289 Avg Close — Range —
Q2 2015
Shares 40,000 Value ($000) $1,344 Avg Close — Range —
Q1 2014
Shares 7,152 Value ($000) $238 Avg Close — Range —
Q4 2013
Shares 7,152 Value ($000) $260 Avg Close — Range —
Q3 2013
Shares 7,152 Value ($000) $242 Avg Close — Range —
Q2 2013
Shares 11,427 Value ($000) $353 Avg Close — Range —