Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2018

Stock-Based Compensation

Summary of stock option activity

The following table presents stock option activity during the three months ended March 31, 2018:

	Stock Options (in thousands)		Weighted Average Exercise Price Per Share		Weighted Average Remaining Life (in years)	Aggregate Intrinsic Value (in thousands)
Options outstanding, January 1, 2018	489		$	12.28
Canceled	(53	)	13.96
Options outstanding and exercisable, March 31, 2018	436		12.07		1.4	$	548

Schedule of restricted stock, restricted stock unit, performance unit, cash settled restricted stock unit and cash settled performance unit activity

The following table presents restricted stock, restricted stock unit, performance unit, cash-settled restricted stock unit and cash- settled performance unit activity during the three months ended March 31, 2018:

	Shares (in thousands)		Weighted Average Grant Date Fair Value Per Share
Non-vested awards, January 1, 2018	1,440		$	10.39
Granted	1,089		9.50
Vested	(480	)	9.57
Canceled	(47	)	11.33
Non-vested awards, March 31, 2018 (1)	2,002		10.08

——————

⁽¹⁾  Non-vested awards as of March 31, 2018 are comprised of 272,000 cash-settled restricted stock units and cash-settled performance units and 1,730,000 restricted shares and stock-settled performance units.

Exterran Partners, L.P.

Stock-Based Compensation

Schedule of phantom unit activity

The following table presents phantom unit activity during the three months ended March 31, 2018:

	Phantom Units (in thousands)		Weighted Average Grant Date Fair Value per Unit
Phantom units outstanding, January 1, 2018	153		$	12.19
Vested	(53	)	11.24
Phantom units outstanding, March 31, 2018	100		12.69