PROTO LABS INC

Ticker: PRLB CUSIP: 743713109 Class: EQTY

Abdiel Capital Advisors, LP's Holding History (CIK: 0001578684)

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

Q3 2016

Shares 923,508 Value ($000) $55,327 Avg Close $57.54 Range $50.50 - $61.62

Q2 2016

Shares 835,731 Value ($000) $48,105 Avg Close $66.74 Range $55.07 - $82.06

Q1 2016

Shares 794,497 Value ($000) $61,248 Avg Close $64.57 Range $51.61 - $79.65

Q4 2015

Shares 794,545 Value ($000) $50,605 Avg Close $64.50 Range $58.84 - $69.48

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2016	923,508	$55,327	$57.54	$50.50 - $61.62
Q2 2016	835,731	$48,105	$66.74	$55.07 - $82.06
Q1 2016	794,497	$61,248	$64.57	$51.61 - $79.65
Q4 2015	794,545	$50,605	$64.50	$58.84 - $69.48