Michael R. Kenison

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
25 Feb 25	PRLB Proto Labs	Common Stock	Grant	Acquire A	No	No	0	6,943	0.00	28,982
25 Feb 25	PRLB Proto Labs	Employee Stock Option Common Stock	Grant	Acquire A	No	No	39.61	6,231	246.81 k	6,231
13 Feb 25	PRLB Proto Labs	Common Stock	Payment of exercise	Dispose F	No	No	45.03	1,696	76.37 k	22,039
13 Feb 25	PRLB Proto Labs	Common Stock	Payment of exercise	Dispose F	No	No	45.03	580	26.12 k	23,735
13 Feb 25	PRLB Proto Labs	Common Stock	Grant	Acquire A	No	No	0	1,894	0.00	24,315
20 May 24	PRLB Proto Labs	Common Stock	Payment of exercise	Dispose F	No	No	31.81	336	10.69 k	22,351
13 Feb 24	PRLB Proto Labs	Common Stock	Grant	Acquire A	No	No	0	8,205	0.00	22,405
13 Feb 24	PRLB Proto Labs	Common Stock	Payment of exercise	Dispose F	No	No	33.52	1,070	35.87 k	14,200
13 Feb 24	PRLB Proto Labs	Employee Stock Option Common Stock	Grant	Acquire A	No	No	33.52	7,555	253.24 k	7,555

Data from 3, 4 and 5 filings. Values as filed, not updated for current price.