DT MIDSTREAM INC

Ticker: DTM CUSIP: 23345M107 Class: COMMON STOCK

SIR Capital Management, L.P.'s Holding History (CIK: 0001434997)

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

Q1 2022

Shares 160,944 Value ($000) $8,733 Avg Close $43.92 Range $39.91 - $48.84

Q4 2021

Shares 184,247 Value ($000) $8,840 Avg Close $39.86 Range $37.12 - $41.95

Q3 2021

Shares 214,168 Value ($000) $9,903 Avg Close $35.96 Range $31.53 - $39.88

Q2 2021

Shares 70,800 Value ($000) $2,737 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2022	160,944	$8,733	$43.92	$39.91 - $48.84
Q4 2021	184,247	$8,840	$39.86	$37.12 - $41.95
Q3 2021	214,168	$9,903	$35.96	$31.53 - $39.88
Q2 2021	70,800	$2,737	—	—