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EARNINGS PER SHARE ATTRIBUTABLE TO THE STOCKHOLDERS OF ARGAN, INC. | 12 Months Ended
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Jan. 31, 2016
EARNINGS PER SHARE ATTRIBUTABLE TO THE STOCKHOLDERS OF ARGAN, INC. |
EARNINGS PER SHARE ATTRIBUTABLE TO THE STOCKHOLDERS OF ARGAN, INC. | NOTE 15 — EARNINGS PER SHARE ATTRIBUTABLE TO THE STOCKHOLDERS OF ARGAN, INC. Reconciliations of weighted average basic shares outstanding to weighted average diluted shares outstanding and the computations of basic and diluted earnings per share for the years ended January 31, 2017, 2016 and 2015 are as follows (shares in thousands):
|  | 2017 |  | 2016 |  | 2015 |
Net income attributable to the stockholders of Argan, Inc. |  | $ | 70,328 |  | $ | 36,345 |  | $ | 30,445 |
Weighted average number of shares outstanding - basic |  | 15,066 |  | 14,757 |  | 14,433 |
Effect of stock options (1) |  | 559 |  | 267 |  | 390 |
Weighted average number of shares outstanding - diluted |  | 15,625 |  | 15,024 |  | 14,823 |
Net income per share attributable to the stockholders of Argan, Inc.: |  |  |  |  |  |  |
Basic |  | $ | 4.67 |  | $ | 2.46 |  | $ | 2.11 |
Diluted |  | $ | 4.50 |  | $ | 2.42 |  | $ | 2.05 |
| (1) |  | The numbers of antidilutive shares excluded from the diluted earnings per share computations were 165, 180 and 40 for the years ended January 31, 2017, 2016 and 2015, respectively.

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