Earnings Per Share

9 Months Ended

Sep. 30, 2024

Earnings Per Share

Earnings Per Share

Note 9—Earnings Per Share

Basic earnings per common share (“EPS”) is computed by dividing net income attributable to Amphenol Corporation by the weighted average number of common shares outstanding. Diluted EPS is computed by dividing net income attributable to Amphenol Corporation by the weighted average number of outstanding common shares, including dilutive common shares, the dilutive effect of which relates to stock options. The following is a reconciliation of the basic weighted average common shares outstanding to diluted weighted average common shares outstanding, which were used to calculate the earnings per share (basic and diluted) for the three and nine months ended September 30, 2024 and 2023:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(dollars and shares in millions, except per share data)	2024		2023		2024		2023
Net income attributable to Amphenol Corporation stockholders	$	604.4	$	513.9	$	1,677.8	$	1,413.6
Weighted average common shares outstanding — Basic		1,204.9		1,195.4		1,202.4		1,191.8
Effect of dilutive stock options		60.6		48.7		59.7		48.3
Weighted average common shares outstanding — Diluted		1,265.5		1,244.1		1,262.1		1,240.1
Net income attributable to Amphenol Corporation per common share — Basic	$	0.50	$	0.43	$	1.40	$	1.19
Net income attributable to Amphenol Corporation per common share — Diluted	$	0.48	$	0.41	$	1.33	$	1.14

Excluded from the computations above were anti-dilutive common shares (primarily related to outstanding stock options) of 7.7 million and 16.1 million for the three months ended September 30, 2024 and 2023, respectively. Excluded from the computations above were anti-dilutive common shares (primarily related to outstanding stock options) of 3.9 million and 16.2 million for the nine months ended September 30, 2024 and 2023, respectively.