Three Months Ended

Six Months Ended

Numerators:

February 28, 2015

February 28, 2014

February 28, 2015

February 28, 2014

Net (loss) income attributable to NTIC

$

(128,644

)

$

1,025,044

$

876,621

$

1,883,630

Denominator:

Basic – weighted shares outstanding

4,522,514

4,434,837

4,516,311

4,434,770

Weighted shares assumed upon exercise of stock options

-

144,766

139,481

131,333

Diluted – weighted shares outstanding

4,522,514

4,579,603

4,655,792

4,566,103

Basic earnings (loss) per share:

$

(0.03

)

$

0.23

$

0.20

$

0.42

Diluted earnings (loss) per share:

$

(0.03

)

$

0.22

$

0.19

$

0.41