OM ASSET MGMT PLC

CUSIP: G67506108 Class: SHS

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q4 2017
Shares 256,706 Value ($000) $4,300 Avg Close — Range —
Q3 2017
Shares 149,606 Value ($000) $2,232 Avg Close — Range —
Q2 2017
Shares 445,055 Value ($000) $6,614 Avg Close — Range —
Q1 2017
Shares 326,264 Value ($000) $4,933 Avg Close — Range —