PROTO LABS INC

Ticker: PRLB CUSIP: 743713109 Class: EQTY

G2 Investment Partners Management LLC's Holding History (CIK: 0001593404)

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

Q4 2017

Shares 15,903 Value ($000) $1,638 Avg Close $89.74 Range $79.06 - $109.10

Q3 2017

Shares 61,600 Value ($000) $4,946 Avg Close $72.28 Range $66.85 - $80.40

Q4 2013

Shares 31,230 Value ($000) $2,223 Avg Close $77.51 Range $65.52 - $89.97

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	15,903	$1,638	$89.74	$79.06 - $109.10
Q3 2017	61,600	$4,946	$72.28	$66.85 - $80.40
Q4 2013	31,230	$2,223	$77.51	$65.52 - $89.97