A reconciliation of the numerator and denominator used in the calculation of basic and diluted earnings per common share is as follows (in millions, except per share amounts):


	Three Months Ended June 30, 2026		Three Months Ended June 30, 2025		Six Months Ended June 30, 2026		Six Months Ended June 30, 2025
Net earnings attributable to Mirion Technologies, Inc. shareholders	$	7.7	$	8.3	$	4.3	$	8.6

Weighted average common shares outstanding — basic	244.565		225.026		244.614		225.339
Effect of potentially dilutive securities — stock-based awards	0.181		0.722		0.420		0.945
Effect of potentially dilutive securities — convertible debt	30.321		17.310		30.321		17.310
Weighted average common shares outstanding — diluted	275.067		243.058		275.355		243.594

Net earnings per common share attributable to Mirion Technologies, Inc. — basic	$	0.03	$	0.04	$	0.02	$	0.04
Net earnings per common share attributable to Mirion Technologies, Inc. — diluted	$	0.03	$	0.03	$	0.02	$	0.04