David B Burritt

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
25 Feb 25	X United States Steel	United States Steel Corporation Common Stock	Grant	Acquire A	No	No	0	176,210	0.00	1,234,982
25 Feb 25	X United States Steel	United States Steel Corporation Common Stock	Grant	Acquire A	No	No	0	12,171	0.00	1,058,772
25 Feb 25	X United States Steel	United States Steel Corporation Common Stock	Payment of exercise	Dispose F	No	No	37.74	38,262	1.44 mm	1,046,601
25 Feb 25	X United States Steel	United States Steel Corporation Common Stock	Grant	Acquire A	No	No	0	46,274	0.00	1,084,863
25 Feb 25	X United States Steel	United States Steel Corporation Common Stock	Grant	Acquire A	No	No	0	10,533	0.00	1,038,589
25 Feb 25	X United States Steel	United States Steel Corporation Common Stock	Grant	Acquire A	No	No	0	14,561	0.00	1,028,056
25 Feb 25	X United States Steel	United States Steel Corporation Common Stock	Payment of exercise	Dispose F	No	No	37.74	74,962	2.83 mm	1,013,495
25 Feb 25	X United States Steel	United States Steel Corporation Common Stock	Grant	Acquire A	No	No	0	94,272	0.00	1,088,457
22 Feb 25	X United States Steel	United States Steel Corporation Common Stock	Payment of exercise	Dispose F	No	No	37.41	19,427	726.76 k	994,185
14 Feb 25	LMT Lockheed Martin	Phantom Stock Units Common Stock	Grant	Acquire A	Yes	No	0	401.711	0.00	13,364.039

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