DT MIDSTREAM INC

Ticker: DTM CUSIP: 23345M107 Class: COMMON STOCK

Cornerstone Planning Group LLC's Holding History (CIK: 0001822587)

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

Q4 2025

Shares 30 Value ($000) $4 Avg Close $114.29 Range $104.28 - $121.96

Q3 2025

Shares 40 Value ($000) $6 Avg Close $103.16 Range $96.65 - $113.33

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	30	$4	$114.29	$104.28 - $121.96
Q3 2025	40	$6	$103.16	$96.65 - $113.33