OM GROUP INC

CUSIP: 670872100 Class: COM

VIRGINIA RETIREMENT SYSTEMS ET AL's Holding History (CIK: 0001005354)

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

Q1 2015
Shares 19,800 Value ($000) $595 Avg Close — Range —
Q4 2014
Shares 23,600 Value ($000) $703 Avg Close — Range —
Q3 2014
Shares 26,400 Value ($000) $685 Avg Close — Range —
Q2 2014
Shares 18,200 Value ($000) $590 Avg Close — Range —