ORBITAL SCIENCES CORP

CUSIP: 685564106 Class: COM

Municipal Employees' Retirement System of Michigan's Holding History (CIK: 0001588873)

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

Q4 2014
Shares 15,500 Value ($000) $417 Avg Close — Range —
Q3 2014
Shares 15,500 Value ($000) $431 Avg Close — Range —
Q2 2014
Shares 15,000 Value ($000) $443 Avg Close — Range —
Q1 2014
Shares 14,600 Value ($000) $407 Avg Close — Range —