ON ASSIGNMENT INC

CUSIP: 682159108 Class: COM

FRED ALGER MANAGEMENT, LLC's Holding History (CIK: 0000003520)

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

Q4 2016
Shares 102,180 Value ($000) $4,512 Avg Close — Range —
Q3 2016
Shares 224,032 Value ($000) $8,130 Avg Close — Range —
Q2 2016
Shares 219,346 Value ($000) $8,105 Avg Close — Range —
Q1 2016
Shares 349,711 Value ($000) $12,911 Avg Close — Range —
Q4 2015
Shares 289,999 Value ($000) $13,035 Avg Close — Range —
Q3 2015
Shares 309,950 Value ($000) $11,437 Avg Close — Range —
Q2 2015
Shares 122,976 Value ($000) $4,830 Avg Close — Range —
Q1 2015
Shares 141,866 Value ($000) $5,443 Avg Close — Range —
Q4 2014
Shares 337,753 Value ($000) $11,210 Avg Close — Range —
Q3 2014
Shares 336,412 Value ($000) $9,033 Avg Close — Range —
Q2 2014
Shares 512,424 Value ($000) $18,227 Avg Close — Range —
Q1 2014
Shares 790,247 Value ($000) $30,496 Avg Close — Range —
Q4 2013
Shares 890,240 Value ($000) $31,087 Avg Close — Range —
Q3 2013
Shares 887,314 Value ($000) $29,281 Avg Close — Range —
Q2 2013
Shares 924,364 Value ($000) $24,699 Avg Close — Range —