Basic and diluted loss per share for the three-month periods ended March 31, 2025 and 2024 are calculated as follows (in thousands, except per share amounts):


	Three Months Ended March 31,
		2025		2024
Basic loss per share
Numerator:
Net income attributable to Albemarle Corporation		$	41,348	$	2,448
Mandatory convertible preferred stock dividends		(41,688)		(11,584)
Net loss attributable to Albemarle Corporation common shareholders		$	(340)	$	(9,136)
Denominator:
Weighted-average common shares for basic loss per share		117,603		117,451
Basic loss per share		$	(0.00)	$	(0.08)

Diluted loss per share
Numerator:
Net income attributable to Albemarle Corporation		$	41,348	$	2,448
Mandatory convertible preferred stock dividends		(41,688)		(11,584)
Net loss attributable to Albemarle Corporation common shareholders		$	(340)	$	(9,136)
Denominator:



Weighted-average common shares for diluted loss per share		117,603		117,451
Diluted loss per share		$	(0.00)	$	(0.08)

The following table summarizes the number of shares, calculated on a weighted average basis, not included in the computation of diluted earnings per share because their effect would have been anti-dilutive (in thousands):


	Three Months Ended March 31,
		2025	2024
Shares assuming the conversion of the mandatory convertible preferred stock		21,022	6,271
Shares under the stock compensation plans		1,161	896