The following is a reconciliation of basic and diluted earnings per share:


	Three Months Ended
	March 31,
	2026		2025
	(millions, except per share amounts)
Basic and Diluted Earnings per Common Share
Net Income Attributable to DT Midstream	$	130	$	108
Average number of common shares outstanding — basic	101.8		101.4

Incremental shares attributable to:
Average dilutive restricted stock units and performance share awards	0.9		1.1
Average number of common shares outstanding — diluted	102.7		102.5

Basic Earnings per Common Share	$	1.28	$	1.07
Diluted Earnings per Common Share	$	1.27	$	1.06