Numerator:

Net loss attributable to AXT, Inc.

$

(7,008

)

$

(1,516

)

$

(15,806

)

$

(3,599

)

Less: Preferred stock dividends

(44

)

(44

)

(88

)

(88

)

Net loss available to common stockholders

$

(7,052

)

$

(1,560

)

$

(15,894

)

$

(3,687

)

Denominator:

Denominator for basic net loss per share - weighted-average common shares

43,710

43,092

43,630

43,039

Effect of dilutive securities:

Common stock options

—

Restricted stock awards

—

Denominator for dilutive net loss per common shares

43,710

43,092

43,630

43,039

Net loss attributable to AXT, Inc. per common share:

Basic

$

(0.16

)

$

(0.04

)

$

(0.36

)

$

(0.09

)

Diluted

$

(0.16

)

$

(0.04

)

$

(0.36

)

$

(0.09

)

Options excluded from diluted net loss per share as the impact is anti-dilutive

1,175

1,187

1,175

1,187

Restricted stock excluded from diluted net loss per share as the impact is anti-dilutive

2,289

1,325

2,289

1,325