Year Ended December 31,

2021

2020

Net income from continuing operations attributable to Consolidated Water Co. Ltd. stockholders

$

3,449,658

$

8,613,771

Less: preferred stock dividends

(10,796)

(11,740)

Net income from continuing operations available to common shares in the determination of basic earnings per common share

3,438,862

8,602,031

Total loss from discontinued operations

(2,574,079)

(4,902,243)

Net income available to common shares in the determination of basic earnings per common share

$

864,783

$

3,699,788

Weighted average number of common shares in the determination of basic earnings per common share attributable to Consolidated Water Co. Ltd. common stockholders

15,213,816

15,119,305

Plus:

Weighted average number of preferred shares outstanding during the period

30,348

33,814

Potential dilutive effect of unexercised options and unvested stock grants

65,981

70,836

Weighted average number of shares used for determining diluted earnings per common share attributable to Consolidated Water Co. Ltd. common stockholders

15,310,145

15,223,955