Three Months Ended June 30,

Six Months Ended June 30,

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

2019

2018

2019

2018

Net income attributable to Amphenol Corporation shareholders

$

288.4

$

284.8

$

556.0

$

550.4

Basic weighted average common shares outstanding

298.0

300.8

298.1

302.3

Effect of dilutive stock options

10.7

11.5

10.6

11.9

Diluted weighted average common shares outstanding

308.7

312.3

308.7

314.2

Earnings per share attributable to Amphenol Corporation shareholders:

Basic

$

0.97

$

0.95

$

1.87

$

1.82

Diluted

$

0.93

$

0.91

$

1.80

$

1.75