ON ASSIGNMENT INC

CUSIP: 682159108 Class: COM

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS's Holding History (CIK: 0001083190)

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

Q1 2018
Shares 4,587 Value ($000) $376 Avg Close — Range —
Q4 2013
Shares 8,865 Value ($000) $310 Avg Close — Range —
Q3 2013
Shares 17,090 Value ($000) $564 Avg Close — Range —
Q2 2013
Shares 17,090 Value ($000) $457 Avg Close — Range —