ON ASSIGNMENT INC

CUSIP: 682159108 Class: COM

TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY's Holding History (CIK: 0000714142)

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

Q1 2018
Shares 49,063 Value ($000) $4,017 Avg Close — Range —
Q4 2017
Shares 52,143 Value ($000) $3,351 Avg Close — Range —
Q3 2017
Shares 50,779 Value ($000) $2,726 Avg Close — Range —
Q2 2017
Shares 50,779 Value ($000) $2,749 Avg Close — Range —
Q1 2017
Shares 55,585 Value ($000) $2,698 Avg Close — Range —
Q4 2016
Shares 55,585 Value ($000) $2,454 Avg Close — Range —
Q3 2016
Shares 56,585 Value ($000) $2,054 Avg Close — Range —
Q2 2016
Shares 56,585 Value ($000) $2,090 Avg Close — Range —
Q1 2016
Shares 56,585 Value ($000) $2,089 Avg Close — Range —
Q4 2015
Shares 56,585 Value ($000) $2,544 Avg Close — Range —
Q3 2015
Shares 56,585 Value ($000) $2,088 Avg Close — Range —
Q2 2015
Shares 54,385 Value ($000) $2,136 Avg Close — Range —
Q1 2015
Shares 55,035 Value ($000) $2,111 Avg Close — Range —
Q4 2014
Shares 55,035 Value ($000) $1,827 Avg Close — Range —
Q3 2014
Shares 55,035 Value ($000) $1,478 Avg Close — Range —
Q2 2014
Shares 55,035 Value ($000) $1,957 Avg Close — Range —
Q1 2014
Shares 56,135 Value ($000) $2,166 Avg Close — Range —
Q4 2013
Shares 58,895 Value ($000) $2,056 Avg Close — Range —
Q3 2013
Shares 55,275 Value ($000) $1,824 Avg Close — Range —
Q2 2013
Shares 58,715 Value ($000) $1,569 Avg Close — Range —