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COMMON UNIT-BASED COMPENSATION PLANS (Tables)

6 Months Ended

Jun. 30, 2023

ARLP LTIP

COMMON UNIT-BASED COMPENSATION PLANS

Summary of non-vested share activity

​

​	​	​	​	​	​	​	​	​	​
​		Number of units		Weighted average grant date fair value per unit			Intrinsic value
​	​	​	​	​	​	​	(in thousands)		​
​	​	​	​	​	​	​	​	​	​
Non-vested grants at January 1, 2023	​	3,697,133	​	$	7.40	​	​	75,126	​
Granted (1)		447,225	​	​	21.54	​	​	​	​
Vested (2)		(1,291,330)	​		5.02	​	​	​	​
Forfeited		(145,584)	​		6.86	​	​	​	​
Non-vested grants at June 30, 2023		2,707,444	​		10.90	​	​	50,061	​

(1) The restricted units granted during 2023 have certain minimum-value guarantees per unit, regardless of whether or not the awards vest.

(2) During the six months ended June 30, 2023, we issued 860,060 unrestricted common units to the LTIP participants.  The remaining vested units were settled in cash to satisfy tax withholding obligations of the LTIP participants.

SERP and Deferred Compensation Plans

COMMON UNIT-BASED COMPENSATION PLANS

Summary of activity in share-based plans

​

​	​	​	​	​	​	​	​	​	​
​		Number of units		Weighted average grant date fair value per unit			Intrinsic value
​	​	​	​	​	​	​	(in thousands)		​
​	​	​	​	​	​	​	​	​	​
Phantom units outstanding as of January 1, 2023	​	742,540	​	$	20.28	​	$	15,088	​
Granted	​	49,480	​	​	19.72	​	​	​	​
Settled (1)		(49,331)	​	​	20.27	​	​	​	​
Phantom units outstanding as of June 30, 2023		742,689	​		20.38	​	​	13,732	​

(1) During the six months ended June 30, 2023, we purchased 27,576 ARLP common units on the open market to settle the account of a participant under the SERP.  Units purchased and delivered to the participant were net of units settled in cash to satisfy tax withholding obligations.

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