ORBITAL ATK INC

CUSIP: 68557N103 Class: COM

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

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

Q1 2018
Shares 10,572 Value ($000) $1,402 Avg Close — Range —
Q4 2017
Shares 11,276 Value ($000) $1,483 Avg Close — Range —
Q3 2017
Shares 10,911 Value ($000) $1,453 Avg Close — Range —
Q2 2017
Shares 11,417 Value ($000) $1,123 Avg Close — Range —
Q1 2017
Shares 11,462 Value ($000) $1,123 Avg Close — Range —
Q4 2016
Shares 11,847 Value ($000) $1,039 Avg Close — Range —
Q3 2016
Shares 12,794 Value ($000) $975 Avg Close — Range —
Q2 2016
Shares 13,238 Value ($000) $1,127 Avg Close — Range —
Q1 2016
Shares 13,546 Value ($000) $1,178 Avg Close — Range —
Q4 2015
Shares 13,442 Value ($000) $1,201 Avg Close — Range —
Q3 2015
Shares 13,426 Value ($000) $965 Avg Close — Range —
Q2 2015
Shares 13,446 Value ($000) $986 Avg Close — Range —
Q1 2015
Shares 14,247 Value ($000) $1,092 Avg Close — Range —