PROTO LABS INC

Ticker: PRLB CUSIP: 743713109 Class: EQTY

NATIXIS ADVISORS, L.P.'s Holding History (CIK: 0001018331)

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

Q2 2014
Shares 3,465 Value ($000) $284 Avg Close $67.73 Range $58.06 - $83.06
Q3 2013
Shares 2,671 Value ($000) $204 Avg Close $69.23 Range $61.46 - $80.66