Basic earnings per share (“EPS”) is computed by dividing Net loss attributable to Orion by the weighted average number of common stock outstanding during the period. Diluted EPS equals Net loss attributable to Orion divided by the weighted average number of common stock outstanding during the period, adjusted for the dilutive effect of our stock–based and other equity compensation awards.


	Three Months Ended September 30,				Nine Months Ended September 30,
	2026		2025		2026		2025
	(In millions, except share and per share data)
Net loss attributable to ordinary equity holders	$	(3.1)	$	(67.1)	$	(11.2)	$	(49.0)
Weighted average number of Common stock (in thousands)	56,389		56,046		56,352		56,415
Basic Loss per share	$	(0.05)	$	(1.20)	$	(0.20)	$	(0.87)
Dilutive effect of share based payments (in thousands)	—		203		—		248
Weighted average number of diluted Common stock (in thousands)	56,389		56,249		56,352		56,663
Diluted Loss per share	$	(0.05)	$	(1.20)	$	(0.20)	$	(0.87)