DT MIDSTREAM INC

Ticker: DTM CUSIP: 23345M107 Class: COMMON STOCK

EVENTIDE ASSET MANAGEMENT, LLC's Holding History (CIK: 0001442891)

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

Q4 2025

Shares 394,724 Value ($000) $47,266 Avg Close $114.29 Range $104.28 - $121.96

Q3 2025

Shares 183,253 Value ($000) $20,719 Avg Close $103.16 Range $96.65 - $113.33

Q2 2025

Shares 176,545 Value ($000) $19,397 Avg Close $99.18 Range $81.47 - $109.51

Q1 2025

Shares 173,346 Value ($000) $16,726 Avg Close $97.17 Range $82.90 - $111.03

Q4 2024

Shares 600,998 Value ($000) $59,771 Avg Close $91.78 Range $75.01 - $105.74

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	394,724	$47,266	$114.29	$104.28 - $121.96
Q3 2025	183,253	$20,719	$103.16	$96.65 - $113.33
Q2 2025	176,545	$19,397	$99.18	$81.47 - $109.51
Q1 2025	173,346	$16,726	$97.17	$82.90 - $111.03
Q4 2024	600,998	$59,771	$91.78	$75.01 - $105.74