ON ASSIGNMENT INC

CUSIP: 682159108 Class: COM

TWO SIGMA INVESTMENTS, LP's Holding History (CIK: 0001179392)

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

Q1 2017
Shares 12,770 Value ($000) $620 Avg Close — Range —
Q4 2016
Shares 9,287 Value ($000) $410 Avg Close — Range —
Q4 2015
Shares 32,599 Value ($000) $1,465 Avg Close — Range —
Q3 2014
Shares 45,829 Value ($000) $1,231 Avg Close — Range —
Q2 2014
Shares 9,446 Value ($000) $336 Avg Close — Range —
Q1 2014
Shares 60,372 Value ($000) $2,329 Avg Close — Range —
Q3 2013
Shares 81,407 Value ($000) $2,687 Avg Close — Range —
Q2 2013
Shares 30,260 Value ($000) $809 Avg Close — Range —