ORBITAL SCIENCES CORP

CUSIP: 685564106 Class: COM

CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM's Holding History (CIK: 0000919079)

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

Q1 2015
Shares 304,516 Value ($000) $9,233 Avg Close — Range —
Q4 2014
Shares 304,516 Value ($000) $9,233 Avg Close — Range —
Q3 2014
Shares 301,416 Value ($000) $8,379 Avg Close — Range —
Q2 2014
Shares 309,316 Value ($000) $9,140 Avg Close — Range —
Q1 2014
Shares 316,616 Value ($000) $8,320 Avg Close — Range —
Q4 2013
Shares 451,616 Value ($000) $10,690 Avg Close — Range —
Q3 2013
Shares 450,085 Value ($000) $9,533 Avg Close — Range —
Q2 2013
Shares 423,685 Value ($000) $7,359 Avg Close — Range —