PROTO LABS INC

Ticker: PRLB CUSIP: 743713109 Class: EQTY

Champlain Investment Partners, LLC's Holding History (CIK: 0001315478)

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

Q3 2013

Shares 72,060 Value ($000) $5,505 Avg Close $69.23 Range $61.46 - $80.66

Q2 2013

Shares 597,925 Value ($000) $38,847 Avg Close $53.72 Range $43.62 - $67.40

Q1 2013

Shares 697,885 Value ($000) $34,266 Avg Close $44.26 Range $37.23 - $53.91

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2013	72,060	$5,505	$69.23	$61.46 - $80.66
Q2 2013	597,925	$38,847	$53.72	$43.62 - $67.40
Q1 2013	697,885	$34,266	$44.26	$37.23 - $53.91