PROTO LABS INC

Ticker: PRLB CUSIP: 743713109 Class: EQTY

FIRST INTERSTATE BANK's Holding History (CIK: 0001125727)

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

Q3 2016

Shares 124 Value ($000) $7 Avg Close $57.54 Range $50.50 - $61.62

Q2 2016

Shares 124 Value ($000) $7 Avg Close $66.74 Range $55.07 - $82.06

Q1 2016

Shares 124 Value ($000) $10 Avg Close $64.57 Range $51.61 - $79.65

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2016	124	$7	$57.54	$50.50 - $61.62
Q2 2016	124	$7	$66.74	$55.07 - $82.06
Q1 2016	124	$10	$64.57	$51.61 - $79.65