OM GROUP INC

CUSIP: 670872100 Class: COM

TEACHER RETIREMENT SYSTEM OF TEXAS's Holding History (CIK: 0000796848)

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

Q3 2015
Shares 3,723 Value ($000) $122 Avg Close — Range —
Q2 2015
Shares 1,165 Value ($000) $39 Avg Close — Range —
Q1 2015
Shares 934 Value ($000) $28 Avg Close — Range —
Q4 2014
Shares 953 Value ($000) $28 Avg Close — Range —
Q3 2014
Shares 1,146 Value ($000) $30 Avg Close — Range —
Q2 2014
Shares 1,175 Value ($000) $38 Avg Close — Range —
Q1 2014
Shares 1,175 Value ($000) $39 Avg Close — Range —
Q4 2013
Shares 1,191 Value ($000) $43 Avg Close — Range —
Q3 2013
Shares 4,157 Value ($000) $140 Avg Close — Range —
Q2 2013
Shares 2,206 Value ($000) $68 Avg Close — Range —