Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2019

Summary of net income (loss) attributable to Archrock common stockholders used in the calculation of basic and diluted income (loss) per common share

The following table summarizes net income (loss) attributable to Archrock common stockholders used in the calculation of basic and diluted net income (loss) per common share (in thousands):



	Three Months Ended March 31,
	2019			2018
Net income (loss) from continuing operations attributable to Archrock stockholders	$	19,729		$	(3,816	)
Loss from discontinued operations, net of tax	(273		)	—
Net income (loss) attributable to Archrock stockholders	19,456			(3,816		)
Less: Net income attributable to participating securities	(356		)	(157		)
Net income (loss) attributable to Archrock common stockholders	$	19,100		$	(3,973	)

Schedule of potential shares of common stock that were included in computing diluted income (loss) attributable to Archrock common stockholders per common share

The following table shows the potential shares of common stock that were included in computing diluted net income (loss) attributable to Archrock common stockholders per common share (in thousands):



	Three Months Ended March 31,
	2019		2018
Weighted average common shares outstanding including participating securities	130,238		71,299
Less: Weighted average participating securities outstanding	(2,029	)	(1,383	)
Weighted average common shares outstanding — used in basic net income (loss) per common share	128,209		69,916
Net dilutive potential common shares issuable:
On exercise of options and vesting of performance-based restricted stock units	40		*
On the settlement of employee stock purchase plan shares	6		*
Weighted average common shares outstanding — used in diluted net income (loss) per common share	128,255		69,916

——————

Excluded from diluted net income (loss) per common share as their inclusion would have been anti-dilutive.

Schedule of potential shares of common stock issuable, excluded from computation of diluted income (loss), attributable to Archrock common stockholders per common share

The following table shows the potential shares of common stock issuable that were excluded from computing diluted net income (loss) attributable to Archrock common stockholders per common share as their inclusion would have been anti-dilutive (in thousands):



	Three Months Ended March 31,
	2019	2018
Net dilutive potential common shares issuable:
On exercise of options where exercise price is greater than average market value for the period	154	223
On exercise of options and vesting of performance-based restricted stock units	—	78
On the settlement of employee stock purchase plan shares	—	3
Net dilutive potential common shares issuable	154	304