PROTO LABS INC

Ticker: PRLB CUSIP: 743713109 Class: EQTY

THORNBURG INVESTMENT MANAGEMENT INC's Holding History (CIK: 0001145020)

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

Q1 2015

Shares 235,407 Value ($000) $16,478 Avg Close $67.69 Range $57.30 - $74.82

Q4 2014

Shares 248,245 Value ($000) $16,672 Avg Close $65.74 Range $54.97 - $73.46

Q3 2014

Shares 158,519 Value ($000) $10,938 Avg Close $78.24 Range $68.88 - $94.23

Q2 2014

Shares 180,989 Value ($000) $14,827 Avg Close $67.73 Range $58.06 - $83.06

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2015	235,407	$16,478	$67.69	$57.30 - $74.82
Q4 2014	248,245	$16,672	$65.74	$54.97 - $73.46
Q3 2014	158,519	$10,938	$78.24	$68.88 - $94.23
Q2 2014	180,989	$14,827	$67.73	$58.06 - $83.06