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Equity-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2025

Equity-Based Compensation

Schedule of equity-based compensation expense

The Company’s equity-based compensation expense, by type of award, is as follows (in thousands):

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​

​

​

​

​

​

​

​

​

​

​

​

​

Three Months Ended September 30,

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Nine Months Ended September 30,

​

​

2024

​

2025

2024

​

2025

​

RSU awards

​

$

11,499

​

​

10,363

​

​

31,908

​

​

32,501

​

PSU awards

​

​

4,190

​

​

4,762

​

​

16,257

​

​

12,781

​

Equity awards issued to directors

​

​

376

​

​

376

​

​

1,128

​

​

1,219

​

Total expense

​

$

16,065

​

​

15,501

​

​

49,293

​

​

46,501

​

​

Summary of RSU award activity

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​	​	​	​	​	​	​
​	​	​	​	Weighted		​
​	​	​	​	Average		​
​	​	Number	​	Grant Date		​
​		of Units		Fair Value
Total awarded and unvested—December 31, 2024	​	3,035,362	​	$	26.05	​
Granted	​	1,125,728	​	​	33.65	​
Vested	​	(1,492,711)	​	​	24.57	​
Forfeited	​	(104,327)	​	​	29.75	​
Total awarded and unvested—September 30, 2025	​	2,564,052	​	$	30.10	​

Schedule of weighted average fair value assumptions used for PSUs granted

The following table presents the assumptions used in the Monte Carlo valuation model and the grant date fair value information for the 2025 Absolute TSR PSUs:

​	​	​	​	​	​
Dividend yield	​	​	—	%	​
Volatility	​	​	48	%	​
Risk-free interest rate	​	​	3.97	%	​
Weighted average fair value of awards granted	​	$	35.01	​	​

Summary of PSU award activity

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​	​	​	​	​	​	​
​	​	​	​	Weighted		​
​	​	​	​	Average		​
​	​	Number	​	Grant Date		​
​		of Units		Fair Value
Total awarded and unvested—December 31, 2024	​	1,351,295	​	$	35.27	​
Granted	​	289,370	​	​	34.33	​
Vested	​	(281,318)	​	​	41.41	​
Total awarded and unvested—September 30, 2025	​	1,359,347	​	$	33.80	​

Summary of stock option activity

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​	​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​		​	Weighted	​	​		​
​	​	​	​	Weighted		​	Average	​	​		​
​	​	​	​	Average		​	Remaining	​	Intrinsic		​
​	​	Number	​	Exercise		​	Contractual	​	Value		​
​		of Options		Price			Life		(in thousands) (1)		​
Outstanding—December 31, 2024	​	252,451	​	$	50.00	​	0.3	​	$	—	​
Expired	​	(252,451)	​	​	50.00	​	—	​	​	—	​
Outstanding—September 30, 2025	​	—	​	$	—	​	—	​	​	—	​
Vested—September 30, 2025	​	—	​	$	—	​	—	​	$	—	​
Exercisable—September 30, 2025	​	—	​	$	—	​	—	​	$	—	​

(1) Intrinsic values are based on the exercise price of the options and the closing price of Antero Resources’ common stock on the referenced dates.

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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of performance share units, including, but not limited to: (a) expected volatility of the entity's shares, (b) expected dividends, (c) risk-free rate(s), and (d) discount for post-vesting restrictions.

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Tabular disclosure of the changes in outstanding nonvested performance-based units.

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