ORBITAL SCIENCES CORP

CUSIP: 68556410 Class: COM

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

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

Q4 2014
Shares 93,342 Value ($000) $2,510 Avg Close — Range —
Q3 2014
Shares 92,893 Value ($000) $2,582 Avg Close — Range —
Q2 2014
Shares 140,622 Value ($000) $4,155 Avg Close — Range —
Q1 2014
Shares 258,692 Value ($000) $7,218 Avg Close — Range —
Q4 2013
Shares 465,762 Value ($000) $10,852 Avg Close — Range —
Q3 2013
Shares 341,173 Value ($000) $7,226 Avg Close — Range —
Q2 2013
Shares 133,772 Value ($000) $2,324 Avg Close — Range —