ORBITAL SCIENCES CORP

CUSIP: 685564106 Class: COM

PDT Partners, LLC's Holding History (CIK: 0001564702)

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

Q3 2013
Shares 33,060 Value ($000) $700 Avg Close — Range —
Q2 2013
Shares 61,521 Value ($000) $1,069 Avg Close — Range —