ON ASSIGNMENT INC

CUSIP: 682159108 Class: COM

Arizona State Retirement System's Holding History (CIK: 0001558481)

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

Q4 2017
Shares 82,174 Value ($000) $5,281 Avg Close — Range —
Q3 2017
Shares 25,726 Value ($000) $1,381 Avg Close — Range —
Q2 2017
Shares 25,326 Value ($000) $1,371 Avg Close — Range —
Q1 2017
Shares 25,226 Value ($000) $1,224 Avg Close — Range —
Q4 2016
Shares 25,026 Value ($000) $1,105 Avg Close — Range —
Q3 2016
Shares 25,426 Value ($000) $923 Avg Close — Range —
Q2 2016
Shares 24,926 Value ($000) $921 Avg Close — Range —
Q1 2016
Shares 24,526 Value ($000) $905 Avg Close — Range —
Q4 2015
Shares 23,626 Value ($000) $1,062 Avg Close — Range —
Q3 2015
Shares 22,726 Value ($000) $839 Avg Close — Range —
Q4 2014
Shares 32,947 Value ($000) $1,093 Avg Close — Range —
Q3 2014
Shares 33,947 Value ($000) $911 Avg Close — Range —
Q2 2014
Shares 33,747 Value ($000) $1,200 Avg Close — Range —
Q1 2014
Shares 33,247 Value ($000) $1,283 Avg Close — Range —
Q4 2013
Shares 36,847 Value ($000) $1,286 Avg Close — Range —
Q3 2013
Shares 41,247 Value ($000) $1,361 Avg Close — Range —
Q2 2013
Shares 39,047 Value ($000) $1,043 Avg Close — Range —
Q1 2013
Shares 38,947 Value ($000) $985 Avg Close — Range —