ON ASSIGNMENT INC

CUSIP: 682159108 Class: COM

GREAT WEST LIFE ASSURANCE CO /CAN/'s Holding History (CIK: 0001046192)

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

Q1 2018
Shares 64,208 Value ($000) $5,259 Avg Close — Range —
Q4 2017
Shares 63,335 Value ($000) $4,070 Avg Close — Range —
Q3 2017
Shares 67,709 Value ($000) $3,639 Avg Close — Range —
Q2 2017
Shares 70,883 Value ($000) $3,837 Avg Close — Range —
Q1 2017
Shares 68,321 Value ($000) $3,315 Avg Close — Range —
Q4 2016
Shares 64,622 Value ($000) $2,855 Avg Close — Range —
Q3 2016
Shares 66,240 Value ($000) $2,403 Avg Close — Range —
Q2 2016
Shares 62,447 Value ($000) $2,306 Avg Close — Range —
Q1 2016
Shares 5,545 Value ($000) $204 Avg Close — Range —
Q4 2015
Shares 3,756 Value ($000) $169 Avg Close — Range —
Q3 2015
Shares 3,756 Value ($000) $139 Avg Close — Range —
Q2 2015
Shares 3,756 Value ($000) $147 Avg Close — Range —
Q1 2015
Shares 3,756 Value ($000) $144 Avg Close — Range —
Q4 2014
Shares 3,756 Value ($000) $124 Avg Close — Range —
Q3 2014
Shares 3,756 Value ($000) $101 Avg Close — Range —
Q2 2014
Shares 3,756 Value ($000) $133 Avg Close — Range —
Q1 2014
Shares 1,849 Value ($000) $71 Avg Close — Range —
Q4 2013
Shares 1,849 Value ($000) $65 Avg Close — Range —