ON ASSIGNMENT INC

CUSIP: 682159108 Class: COM

PRELUDE CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001387508)

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

Q4 2017
Shares 100 Value ($000) $6 Avg Close — Range —
Q3 2017
Shares 100 Value ($000) $5 Avg Close — Range —
Q1 2017
Shares 823 Value ($000) $40 Avg Close — Range —
Q3 2016
Shares 617 Value ($000) $22 Avg Close — Range —
Q2 2016
Shares 537 Value ($000) $20 Avg Close — Range —
Q2 2015
Shares 12,316 Value ($000) $484 Avg Close — Range —
Q4 2014
Shares 6,700 Value ($000) $222 Avg Close — Range —
Q3 2014
Shares 4,400 Value ($000) $118 Avg Close — Range —
Q3 2013
Shares 100 Value ($000) $3 Avg Close — Range —