DT MIDSTREAM INC

Ticker: DTM CUSIP: 23345M107 Class: COMMON STOCK

MAI Capital Management's Holding History (CIK: 0001040197)

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

Q4 2025

Shares 2,637 Value ($000) $316 Avg Close $114.29 Range $104.28 - $121.96

Q3 2025

Shares 2,794 Value ($000) $316 Avg Close $103.16 Range $96.65 - $113.33

Q2 2025

Shares 3,088 Value ($000) $339 Avg Close $99.18 Range $81.47 - $109.51

Q1 2025

Shares 2,718 Value ($000) $262 Avg Close $97.17 Range $82.90 - $111.03

Q4 2024

Shares 2,721 Value ($000) $271 Avg Close $91.78 Range $75.01 - $105.74

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,637	$316	$114.29	$104.28 - $121.96
Q3 2025	2,794	$316	$103.16	$96.65 - $113.33
Q2 2025	3,088	$339	$99.18	$81.47 - $109.51
Q1 2025	2,718	$262	$97.17	$82.90 - $111.03
Q4 2024	2,721	$271	$91.78	$75.01 - $105.74