ON ASSIGNMENT INC

CUSIP: 682159108 Class: COM

PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO's Holding History (CIK: 0000315297)

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

Q1 2018
Shares 2,992 Value ($000) $245 Avg Close — Range —
Q4 2017
Shares 2,992 Value ($000) $192 Avg Close — Range —