ON ASSIGNMENT INC

CUSIP: 682159108 Class: COM

GREAT LAKES ADVISORS, LLC's Holding History (CIK: 0001078013)

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

Q4 2015
Shares 19,462 Value ($000) $875 Avg Close — Range —
Q3 2015
Shares 17,476 Value ($000) $645 Avg Close — Range —