ON ASSIGNMENT INC

CUSIP: 682159108 Class: COM

Rafferty Asset Management, LLC's Holding History (CIK: 0001389426)

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

Q1 2017
Shares 18,729 Value ($000) $909 Avg Close — Range —
Q4 2015
Shares 11,050 Value ($000) $501 Avg Close — Range —