DT MIDSTREAM INC

Ticker: DTM CUSIP: 23345M107 Class: COMMON STOCK

LOOMIS SAYLES & CO L P's Holding History (CIK: 0000312348)

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

Q1 2023

Shares 249 Value ($000) $0 Avg Close $45.81 Range $41.06 - $48.99

Q4 2022

Shares 583 Value ($000) $0 Avg Close $49.92 Range $45.65 - $53.29

Q3 2022

Shares 93 Value ($000) $5 Avg Close $46.63 Range $39.30 - $50.73

Q2 2022

Shares 55 Value ($000) $3 Avg Close $46.57 Range $39.68 - $50.54

Q1 2022

Shares 87 Value ($000) $5 Avg Close $43.92 Range $39.91 - $48.84

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2023	249	$0	$45.81	$41.06 - $48.99
Q4 2022	583	$0	$49.92	$45.65 - $53.29
Q3 2022	93	$5	$46.63	$39.30 - $50.73
Q2 2022	55	$3	$46.57	$39.68 - $50.54
Q1 2022	87	$5	$43.92	$39.91 - $48.84