Paterson David A

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
1 Jun 24	NPKI NPK International	Common Stock	Payment of exercise	Dispose F	No	No	8.48	8,008	67.91 k	386,245
1 Jun 24	NPKI NPK International	Common Stock	Payment of exercise	Dispose F	No	No	8.48	8,714	73.89 k	394,253
1 Jun 24	NPKI NPK International	Common Stock	Payment of exercise	Dispose F	No	No	8.48	7,455	63.22 k	402,967
1 Jun 24	NPKI NPK International	Common Stock	Option exercise	Acquire M	No	No	0	28,235	0.00	410,422
1 Jun 24	NPKI NPK International	Common Stock	Option exercise	Acquire M	No	No	0	30,620	0.00	382,187
1 Jun 24	NPKI NPK International	Common Stock	Option exercise	Acquire M	No	No	0	35,788	0.00	351,567
1 Jun 24	NPKI NPK International	RSU Common Stock	Option exercise	Dispose M	No	No	0	28,235	0.00	74,915
1 Jun 24	NPKI NPK International	RSU Common Stock	Option exercise	Dispose M	No	No	0	30,620	0.00	103,150
1 Jun 24	NPKI NPK International	RSU Common Stock	Option exercise	Dispose M	No	No	0	35,788	0.00	133,770
15 May 24	NPKI NPK International	Common Stock	Grant	Acquire A	No	No	0	47,767	0.00	315,779

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