OM GROUP INC

CUSIP: 670872100 Class: COM

FIRST TRUST ADVISORS LP's Holding History (CIK: 0001125816)

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

Q1 2015
Shares 89,051 Value ($000) $2,674 Avg Close — Range —
Q4 2014
Shares 102,556 Value ($000) $3,056 Avg Close — Range —
Q3 2014
Shares 86,081 Value ($000) $2,234 Avg Close — Range —
Q2 2013
Shares 19,377 Value ($000) $599 Avg Close — Range —