OM GROUP INC

CUSIP: 670872100 Class: COM

Swiss National Bank's Holding History (CIK: 0001582202)

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

Q3 2015
Shares 41,300 Value ($000) $1,358 Avg Close — Range —
Q2 2015
Shares 36,600 Value ($000) $1,230 Avg Close — Range —
Q1 2015
Shares 36,600 Value ($000) $1,099 Avg Close — Range —
Q4 2014
Shares 36,600 Value ($000) $1,091 Avg Close — Range —
Q3 2014
Shares 36,600 Value ($000) $950 Avg Close — Range —
Q2 2014
Shares 36,600 Value ($000) $1,187 Avg Close — Range —
Q1 2014
Shares 36,600 Value ($000) $1,216 Avg Close — Range —
Q4 2013
Shares 28,500 Value ($000) $1,038 Avg Close — Range —
Q3 2013
Shares 28,500 Value ($000) $963 Avg Close — Range —
Q2 2013
Shares 30,300 Value ($000) $937 Avg Close — Range —