ORBITAL SCIENCES CORP

CUSIP: 685564106 Class: COM

PRICE T ROWE ASSOCIATES INC /MD/'s Holding History (CIK: 0000080255)

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

Q4 2014
Shares 16,570 Value ($000) $446 Avg Close — Range —
Q3 2014
Shares 16,570 Value ($000) $461 Avg Close — Range —
Q2 2014
Shares 16,570 Value ($000) $490 Avg Close — Range —
Q1 2014
Shares 16,570 Value ($000) $462 Avg Close — Range —
Q4 2013
Shares 16,570 Value ($000) $386 Avg Close — Range —
Q3 2013
Shares 16,570 Value ($000) $351 Avg Close — Range —
Q2 2013
Shares 16,570 Value ($000) $288 Avg Close — Range —