David Slater

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
25 Feb 25	DTM DT Midstream	Common Stock	Payment of exercise	Dispose F	No	No	95.8	44,241	4.24 mm	146,362
25 Feb 25	DTM DT Midstream	Common Stock	Grant	Acquire A	No	No	0	103,487	0.00	190,603
25 Feb 25	DTM DT Midstream	RSU Common Stock	Grant	Acquire A	No	No	0	17,425	0.00	17,425
4 Feb 25	DTM DT Midstream	Common Stock	Payment of exercise	Acquire F	No	No	101.32	9,516	964.16 k	87,116
4 Feb 25	DTM DT Midstream	Common Stock	Option exercise	Acquire M	No	No	0	22,176	0.00	96,632
4 Feb 25	DTM DT Midstream	RSU Common Stock	Option exercise	Dispose M	No	No	0	22,176	0.00	0
28 Jan 25	DTM DT Midstream	RSU Common Stock	Grant	Acquire A	No	No	0	7,071	0.00	7,071
2 Aug 24	DTM DT Midstream	Common Stock	Payment of exercise	Dispose F	No	No	72.85	10,758	783.72 k	74,456
2 Aug 24	DTM DT Midstream	Common Stock	Option exercise	Acquire M	No	No	0	25,163	0.00	85,214
2 Aug 24	DTM DT Midstream	RSU Common Stock	Option exercise	Dispose M	No	No	0	21,749.75	0.00	43,499.5

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