DT MIDSTREAM INC

Ticker: DTM CUSIP: 23345M107 Class: COMMON STOCK

Williamson Legacy Group, LLC's Holding History (CIK: 0002011965)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 6,614 Value ($000) $792 Avg Close $114.29 Range $104.28 - $121.96

Q3 2025

Shares 7,147 Value ($000) $808 Avg Close $103.16 Range $96.65 - $113.33

Q2 2025

Shares 18,142 Value ($000) $1,994 Avg Close $99.18 Range $81.47 - $109.51

Q1 2025

Shares 16,868 Value ($000) $1,627 Avg Close $97.17 Range $82.90 - $111.03

Q4 2024

Shares 4,184 Value ($000) $416 Avg Close $91.78 Range $75.01 - $105.74

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	6,614	$792	$114.29	$104.28 - $121.96
Q3 2025	7,147	$808	$103.16	$96.65 - $113.33
Q2 2025	18,142	$1,994	$99.18	$81.47 - $109.51
Q1 2025	16,868	$1,627	$97.17	$82.90 - $111.03
Q4 2024	4,184	$416	$91.78	$75.01 - $105.74