Rust Scott Arthur

Date	Company	Security	Transaction	Code	Indirect	10b5-1	#Shares	#Remaining
11 Oct 23	NATI National Instruments	Common Stock	Sale back to company	Dispose D	No	No	9,846	0
11 Oct 23	NATI National Instruments	Common Stock	Sale back to company	Dispose D	No	No	6,888	9,846
11 Oct 23	NATI National Instruments	Common Stock	Sale back to company	Dispose D	No	No	2,922	16,734
11 Oct 23	NATI National Instruments	Common Stock	Sale back to company	Dispose D	No	No	16,937	19,656
11 Oct 23	NATI National Instruments	RSU Common Stock	Sale back to company	Dispose D	No	No	14,769	0
11 Oct 23	NATI National Instruments	RSU Common Stock	Grant	Acquire A	No	No	14,769	14,769
11 Oct 23	NATI National Instruments	RSU Common Stock	Sale back to company	Dispose D	No	No	15,500	0
11 Oct 23	NATI National Instruments	RSU Common Stock	Sale back to company	Dispose D	No	No	8,768	0
11 Oct 23	NATI National Instruments	RSU Common Stock	Sale back to company	Dispose D	No	No	1,770	0
11 Oct 23	NATI National Instruments	RSU Common Stock	Sale back to company	Dispose D	No	No	1,636	0

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