ON ASSIGNMENT INC

CUSIP: 682159108 Class: COM

NEW YORK STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0000314969)

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

Q4 2017
Shares 98,249 Value ($000) $6,314 Avg Close — Range —
Q3 2017
Shares 98,149 Value ($000) $5,269 Avg Close — Range —
Q2 2017
Shares 98,149 Value ($000) $5,315 Avg Close — Range —
Q1 2017
Shares 97,449 Value ($000) $4,729 Avg Close — Range —
Q4 2016
Shares 97,449 Value ($000) $4,303 Avg Close — Range —
Q3 2016
Shares 97,449 Value ($000) $3,536 Avg Close — Range —
Q2 2016
Shares 93,149 Value ($000) $3,442 Avg Close — Range —
Q1 2016
Shares 93,149 Value ($000) $3,439 Avg Close — Range —
Q4 2015
Shares 95,549 Value ($000) $4,295 Avg Close — Range —
Q3 2015
Shares 96,949 Value ($000) $3,577 Avg Close — Range —
Q2 2015
Shares 95,349 Value ($000) $3,745 Avg Close — Range —
Q1 2015
Shares 91,049 Value ($000) $3,494 Avg Close — Range —
Q4 2014
Shares 91,149 Value ($000) $3,025 Avg Close — Range —
Q3 2014
Shares 92,349 Value ($000) $2,480 Avg Close — Range —
Q2 2014
Shares 95,049 Value ($000) $3,381 Avg Close — Range —
Q1 2014
Shares 95,449 Value ($000) $3,683 Avg Close — Range —
Q4 2013
Shares 96,849 Value ($000) $3,382 Avg Close — Range —
Q3 2013
Shares 97,849 Value ($000) $3,229 Avg Close — Range —
Q2 2013
Shares 99,249 Value ($000) $2,652 Avg Close — Range —