OM GROUP INC

CUSIP: 670872100 Class: COM

STRS OHIO's Holding History (CIK: 0000820478)

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

Q3 2015
Shares 26,200 Value ($000) $861 Avg Close — Range —
Q2 2015
Shares 28,000 Value ($000) $940 Avg Close — Range —
Q1 2015
Shares 30,900 Value ($000) $927 Avg Close — Range —
Q4 2014
Shares 31,700 Value ($000) $945 Avg Close — Range —
Q3 2014
Shares 31,700 Value ($000) $823 Avg Close — Range —
Q2 2014
Shares 29,800 Value ($000) $966 Avg Close — Range —
Q1 2014
Shares 29,800 Value ($000) $990 Avg Close — Range —
Q4 2013
Shares 30,500 Value ($000) $1,111 Avg Close — Range —
Q3 2013
Shares 35,500 Value ($000) $1,199 Avg Close — Range —
Q2 2013
Shares 35,900 Value ($000) $1,110 Avg Close — Range —