PROTO LABS INC

Ticker: PRLB CUSIP: 743713109 Class: EQTY

GLOBEFLEX CAPITAL L P's Holding History (CIK: 0000921531)

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

Q4 2013

Shares 13,354 Value ($000) $950 Avg Close $77.51 Range $65.52 - $89.97

Q3 2013

Shares 13,390 Value ($000) $1,022 Avg Close $69.23 Range $61.46 - $80.66

Q2 2013

Shares 13,390 Value ($000) $869 Avg Close $53.72 Range $43.62 - $67.40

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2013	13,354	$950	$77.51	$65.52 - $89.97
Q3 2013	13,390	$1,022	$69.23	$61.46 - $80.66
Q2 2013	13,390	$869	$53.72	$43.62 - $67.40