ON ASSIGNMENT INC

CUSIP: 682159108 Class: COM

PRICE T ROWE ASSOCIATES INC /MD/'s Holding History (CIK: 0000080255)

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

Q1 2018
Shares 654,255 Value ($000) $53,570 Avg Close — Range —
Q4 2017
Shares 560,227 Value ($000) $36,006 Avg Close — Range —
Q3 2017
Shares 145,509 Value ($000) $7,811 Avg Close — Range —
Q2 2017
Shares 40,994 Value ($000) $2,220 Avg Close — Range —
Q1 2017
Shares 40,990 Value ($000) $1,989 Avg Close — Range —
Q4 2016
Shares 40,990 Value ($000) $1,810 Avg Close — Range —
Q3 2016
Shares 10,480 Value ($000) $380 Avg Close — Range —
Q2 2016
Shares 17,480 Value ($000) $646 Avg Close — Range —
Q1 2016
Shares 17,480 Value ($000) $645 Avg Close — Range —
Q4 2015
Shares 14,980 Value ($000) $673 Avg Close — Range —
Q3 2015
Shares 14,850 Value ($000) $548 Avg Close — Range —
Q2 2015
Shares 371,010 Value ($000) $14,573 Avg Close — Range —
Q1 2015
Shares 513,990 Value ($000) $19,722 Avg Close — Range —
Q4 2014
Shares 957,380 Value ($000) $31,775 Avg Close — Range —
Q3 2014
Shares 2,541,090 Value ($000) $68,228 Avg Close — Range —
Q2 2014
Shares 2,562,990 Value ($000) $91,166 Avg Close — Range —
Q1 2014
Shares 2,561,190 Value ($000) $98,836 Avg Close — Range —
Q4 2013
Shares 2,562,290 Value ($000) $89,475 Avg Close — Range —
Q3 2013
Shares 2,577,590 Value ($000) $85,060 Avg Close — Range —
Q2 2013
Shares 2,574,690 Value ($000) $68,796 Avg Close — Range —