Earnings Per Share of Common Stock

3 Months Ended

Mar. 31, 2021

8. Earnings Per Share of Common Stock

The following table presents a reconciliation of the earnings and share data used in the basic and diluted earnings per share computations for the three months ended March 31, 2021 and 2020:

	Three Months Ended March 31,
	2021			2020
	($ in millions, except share amounts)
Net earnings available to Alleghany stockholders	$	230.0		$	(361.2	)
Effect of dilutive securities		(0.8	)		(3.0	)
Income available to common stockholders for diluted earnings per share	$	229.2		$	(364.2	)

Weighted average common shares outstanding applicable to basic earnings per share		13,989,410			14,340,669
Effect of dilutive securities		9,576			15,439
Adjusted weighted average common shares outstanding applicable to diluted earnings per share		13,998,986			14,356,108

Contingently issuable shares⁽¹⁾		40,789			18,703

(1)	Contingently issuable shares were potentially available in the periods presented, but were not included in the diluted earnings per share computations because the impact was anti-dilutive to the earnings per share calculation.