Earnings Per Share

9 Months Ended

Sep. 30, 2021

Earnings Per Share

Earnings Per Share

Note 9—Earnings Per Share

Basic earnings per 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. A reconciliation of the basic weighted average common shares outstanding to diluted weighted average common shares outstanding, along with the earnings per share (basic and diluted) for the three and nine months ended September 30, 2021 and 2020 is as follows (note - per share amounts may not add due to rounding):

	Three Months Ended September 30,				Nine Months Ended September 30,
(dollars and shares in millions, except per share data)	2021		2020		2021		2020
Net income attributable to Amphenol Corporation shareholders:
Net income from continuing operations attributable to Amphenol Corporation	$	418.8	$	346.6	$	1,115.5	$	846.4
Income from discontinued operations attributable to Amphenol Corporation, net of income taxes of ($1.5) and ($1.8) for 2021, respectively		7.7		—		10.3		—
Net income attributable to Amphenol Corporation	$	426.5	$	346.6	$	1,125.8	$	846.4
Weighted average common shares outstanding — Basic		597.7		597.5		597.8		595.2
Effect of dilutive stock options		28.1		18.9		26.8		17.3
Weighted average common shares outstanding — Diluted		625.8		616.4		624.6		612.5
Net income per common share attributable to Amphenol Corporation — Basic:
Continuing operations	$	0.70	$	0.58	$	1.87	$	1.42
Discontinued operations, net of income taxes		0.01		—		0.02		—
Net income attributable to Amphenol Corporation — Basic	$	0.71	$	0.58	$	1.88	$	1.42
Net income per common share attributable to Amphenol Corporation — Diluted:
Continuing operations	$	0.67	$	0.56	$	1.79	$	1.38
Discontinued operations, net of income taxes		0.01		—		0.02		—
Net income attributable to Amphenol Corporation — Diluted	$	0.68	$	0.56	$	1.80	$	1.38

Excluded from the computations above were anti-dilutive common shares (primarily related to outstanding stock options) of 7.4 million and 9.2 million for the three months ended September 30, 2021 and 2020, respectively. Excluded from the computations above were anti-dilutive common shares (primarily related to outstanding stock options) of 3.8 million and 12.2 million for the nine months ended September 30, 2021 and 2020, respectively.