The following table sets forth the reconciliation of the numerator and the denominator of basic earnings per share and diluted earnings per share for the three months ended March 31, 2024 and 2023:


	Three Months Ended March 31,
	2024		2023
Numerator:
Net income attributable to The Timken Company	$	103.5	$	122.3


Denominator:
Weighted average number of shares outstanding - basic	70,266,660		72,499,928
Effect of dilutive securities:
Stock options and awards - based on the treasury stock method	613,355		860,926
Weighted average number of shares outstanding assuming dilution of stock options and awards	70,880,015		73,360,854
Basic earnings per share	$	1.47	$	1.69
Diluted earnings per share	$	1.46	$	1.67

The dilutive effect of performance-based restricted stock units is taken into account once they have met minimum performance thresholds. The dilutive effect of stock options includes all outstanding stock options except stock options that are considered antidilutive. Stock options are antidilutive when the exercise price exceeds the average market price of the Company’s common shares during the periods presented. There were no antidilutive stock options outstanding during the three months ended March 31, 2024 and 2023.