Net income attributable to NTIC

$

2,912,276

$

6,324,700

Denominator:

Basic-weighted shares outstanding

9,359,504

9,216,216

Weighted shares assumed upon exercise of stock options

333,978

418,812

Diluted – weighted shares outstanding

9,693,482

9,635,028

Basic net income per share:

$

0.31

$

0.69

Diluted net income per share:

$

0.30

$

0.66