Three Months Ended September 30,

Nine Months Ended September 30,

(dollars and shares in millions, except per share data)

2020

2019

2020

2019

Net income attributable to Amphenol Corporation shareholders

$

346.6

$

280.3

$

846.4

$

836.3

Basic weighted average common shares outstanding

298.8

296.6

297.6

Effect of dilutive stock options

9.4

9.6

8.6

10.2

Diluted weighted average common shares outstanding

308.2

306.2

307.8

Earnings per share attributable to Amphenol Corporation shareholders:

Basic

$

1.16

$

0.95

$

2.84

$

2.81

Diluted

$

1.12

$

0.92

$

2.76

$

2.72