For purposes of calculating the basic and diluted earnings per share of common stock and limited partner unit, as applicable, net income (loss) attributable to Six Flags Entertainment Corporation for the three and six months ended June 29, 2025 and for the three and six months ended June 30, 2024 have not been adjusted from the reported amounts. The share amounts used in calculating the basic and diluted earnings per share of common stock and per limited partner unit, as applicable, for the three and six months ended June 29, 2025 and for the three and six month periods ended June 30, 2024 are as follows:


	Three months ended				Six months ended
(In thousands, except per share amounts)	June 29, 2025		June 30, 2024		June 29, 2025		June 30, 2024
Net income (loss) attributable to Six Flags Entertainment Corporation	$	(99,648)	$	55,553	$	(319,366)	$	(77,914)

Basic weighted average shares of common stock / LP units outstanding	100,652		50,766		100,376		50,717
Effect of dilutive stock / units:
Deferred stock / units	—		62		—		—
Performance stock units / units	—		80		—		—
Restricted stock / units	—		487		—		—


Diluted weighted average shares of common stock / LP units outstanding	100,652		51,395		100,376		50,717
Net income (loss) per share of common stock / LP unit - basic	$	(0.99)	$	1.09	$	(3.18)	$	(1.54)
Net income (loss) per share of common stock / LP unit - diluted	$	(0.99)	$	1.08	$	(3.18)	$	(1.54)

There were approximately 2.5 million antidilutive shares excluded from the computation of diluted loss per share of common stock for the three and six months ended June 29, 2025. The 2.5 million antidilutive shares included 1.0 million of outstanding performance stock units, 0.9 million of outstanding restricted stock and restricted stock units and 0.5 million of outstanding stock options. The 1.0 million of outstanding performance stock units included all performance stock units outstanding as of June 29, 2025 at target, or 100%. The maximum payout for the outstanding performance stock units is 200%.