EARNINGS PER LIMITED PARTNER UNIT (Tables)

6 Months Ended

Jun. 30, 2020

EARNINGS PER LIMITED PARTNER UNIT

Reconciliation of net income and EPU calculations

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2020		2019		2020		2019
	(in thousands, except per unit data)
Net income (loss) attributable to ARLP	$	(46,664)	$	58,070	$	(191,447)	$	334,498
Less:
Distributions to participating securities		—		(1,122)		—		(2,227)
Undistributed earnings attributable to participating securities		—		—		—		(3,196)
Net income (loss) attributable to ARLP available to limited partners	$	(46,664)	$	56,948	$	(191,447)	$	329,075
Weighted-average limited partner units outstanding – basic and diluted		127,195		128,391		127,134		128,271
Earnings per limited partner unit - basic and diluted (1)	$	(0.37)	$	0.44	$	(1.51)	$	2.57

(1) Diluted EPU gives effect to all potentially dilutive common units outstanding during the period using the treasury stock method. Diluted EPU excludes all potentially dilutive units calculated under the treasury stock method if their effect is anti-dilutive.  The combined total of LTIP, SERP and Directors' Deferred Compensation Plan units of 661 and 654 for the three and six months ended June 30, 2020, respectively, and 1,060 and 1,227 for the three and six months ended June 30, 2019, respectively, were considered anti-dilutive under the treasury stock method.