DT MIDSTREAM INC

Ticker: DTM CUSIP: 23345M107 Class: COMMON STOCK

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND's Holding History (CIK: 0001535845)

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

Q1 2023

Shares 6,328 Value ($000) $312 Avg Close $45.81 Range $41.06 - $48.99

Q4 2022

Shares 11,529 Value ($000) $637 Avg Close $49.92 Range $45.65 - $53.29

Q3 2022

Shares 8,402 Value ($000) $436 Avg Close $46.63 Range $39.30 - $50.73

Q2 2022

Shares 6,353 Value ($000) $311 Avg Close $46.57 Range $39.68 - $50.54

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2023	6,328	$312	$45.81	$41.06 - $48.99
Q4 2022	11,529	$637	$49.92	$45.65 - $53.29
Q3 2022	8,402	$436	$46.63	$39.30 - $50.73
Q2 2022	6,353	$311	$46.57	$39.68 - $50.54