ON ASSIGNMENT INC

CUSIP: 682159108 Class: COM

LOOMIS SAYLES & CO L P's Holding History (CIK: 0000312348)

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

Q1 2015
Shares 445,422 Value ($000) $17,091 Avg Close — Range —
Q4 2014
Shares 475,821 Value ($000) $15,792 Avg Close — Range —
Q3 2014
Shares 615,171 Value ($000) $16,518 Avg Close — Range —
Q2 2014
Shares 693,359 Value ($000) $24,662 Avg Close — Range —
Q1 2014
Shares 662,880 Value ($000) $25,580 Avg Close — Range —
Q4 2013
Shares 667,393 Value ($000) $23,306 Avg Close — Range —
Q3 2013
Shares 673,759 Value ($000) $22,234 Avg Close — Range —
Q2 2013
Shares 677,421 Value ($000) $18,101 Avg Close — Range —