OM GROUP INC

CUSIP: 670872100 Class: COM

Arizona State Retirement System's Holding History (CIK: 0001558481)

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

Q3 2015
Shares 14,657 Value ($000) $482 Avg Close — Range —
Q4 2014
Shares 21,511 Value ($000) $641 Avg Close — Range —
Q3 2014
Shares 22,111 Value ($000) $573 Avg Close — Range —
Q2 2014
Shares 22,711 Value ($000) $736 Avg Close — Range —
Q1 2014
Shares 22,511 Value ($000) $747 Avg Close — Range —
Q4 2013
Shares 25,511 Value ($000) $928 Avg Close — Range —
Q3 2013
Shares 28,611 Value ($000) $966 Avg Close — Range —
Q2 2013
Shares 28,411 Value ($000) $878 Avg Close — Range —
Q1 2013
Shares 28,611 Value ($000) $671 Avg Close — Range —