PROTO LABS INC

Ticker: PRLB CUSIP: 743713109 Class: EQTY

Calamos Wealth Management LLC's Holding History (CIK: 0001455258)

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

Q4 2014

Shares 8,181 Value ($000) $549 Avg Close $65.74 Range $54.97 - $73.46

Q3 2014

Shares 9,081 Value ($000) $627 Avg Close $78.24 Range $68.88 - $94.23

Q2 2014

Shares 10,670 Value ($000) $874 Avg Close $67.73 Range $58.06 - $83.06

Q1 2014

Shares 10,835 Value ($000) $733 Avg Close $74.38 Range $62.09 - $84.00

Q4 2013

Shares 9,625 Value ($000) $685 Avg Close $77.51 Range $65.52 - $89.97

Q3 2013

Shares 2,865 Value ($000) $219 Avg Close $69.23 Range $61.46 - $80.66

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2014	8,181	$549	$65.74	$54.97 - $73.46
Q3 2014	9,081	$627	$78.24	$68.88 - $94.23
Q2 2014	10,670	$874	$67.73	$58.06 - $83.06
Q1 2014	10,835	$733	$74.38	$62.09 - $84.00
Q4 2013	9,625	$685	$77.51	$65.52 - $89.97
Q3 2013	2,865	$219	$69.23	$61.46 - $80.66