Basic earnings per share attributable to Ryerson Holding’s common stock is determined based on earnings for the period divided by the weighted average number of common shares outstanding during the period. Diluted earnings per share attributable to Ryerson Holding’s common stock considers the effect of potential common shares, unless inclusion of the potential common shares would have an antidilutive effect. The weighted average number of shares excluded, as they would have had an antidilutive effect, were zero and 83,555 for the three-month and six-month periods ended June 30, 2026, respectively, and 600,000 and 694,546 for the three-month and six-month periods ended June 30, 2025, respectively. Antidilutive shares were related to outstanding restricted stock units.

The following table sets forth the calculation of basic and diluted earnings (loss) per share:


	Three Months Ended June 30,				Six Months Ended June 30,
Basic and diluted earnings (loss) per share	2026		2025		2026		2025
	(In millions, except number of shares which are reflected in thousands and per share data)
Numerator:
Net income (loss) attributable to Ryerson Holding Corporation	$	15.5	$	1.9	$	20.0	$	(3.7	)
Denominator:
Weighted average shares outstanding		51,892		32,196		47,175		32,026
Dilutive effect of stock-based awards		711		155		733		—
Weighted average shares outstanding adjusted for dilutive securities		52,603		32,351		47,908		32,026

Earnings (loss) per share
Basic	$	0.30	$	0.06	$	0.42	$	(0.12	)
Diluted	$	0.30	$	0.06	$	0.42	$	(0.12	)