ORBITAL SCIENCES CORP

CUSIP: 685564106 Class: COM

TEACHER RETIREMENT SYSTEM OF TEXAS's Holding History (CIK: 0000796848)

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

Q4 2014
Shares 1,803 Value ($000) $48 Avg Close — Range —
Q3 2014
Shares 2,211 Value ($000) $61 Avg Close — Range —
Q2 2014
Shares 2,211 Value ($000) $65 Avg Close — Range —
Q1 2014
Shares 2,211 Value ($000) $62 Avg Close — Range —
Q4 2013
Shares 2,243 Value ($000) $52 Avg Close — Range —
Q3 2013
Shares 7,878 Value ($000) $167 Avg Close — Range —
Q2 2013
Shares 4,072 Value ($000) $71 Avg Close — Range —