ORBITAL SCIENCES CORP

CUSIP: 685564106 Class: COM

PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO's Holding History (CIK: 0000315297)

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

Q4 2014
Shares 12,790 Value ($000) $344 Avg Close — Range —
Q3 2014
Shares 12,790 Value ($000) $356 Avg Close — Range —
Q2 2014
Shares 12,790 Value ($000) $378 Avg Close — Range —
Q1 2014
Shares 12,790 Value ($000) $357 Avg Close — Range —
Q4 2013
Shares 12,790 Value ($000) $298 Avg Close — Range —
Q3 2013
Shares 12,790 Value ($000) $271 Avg Close — Range —
Q2 2013
Shares 12,790 Value ($000) $222 Avg Close — Range —