| Calculation of Basic and Diluted Earnings Per Share |
Basic and diluted (loss) earnings per share are calculated as follows (in thousands, except per share amounts): | | | | | | | | | | | | | | | | | | | Year Ended December 31, | | 2025 | | 2024 | | 2023 | | Basic (loss) earnings per share | | | | | | | Numerator: | | | | | | | | | | | | | | | | | | Net (loss) income attributable to Albemarle Corporation | $ | (510,628) | | | $ | (1,179,449) | | | $ | 1,573,476 | | | Mandatory convertible preferred stock dividends | (166,750) | | | (136,647) | | | — | | Net (loss) income attributable to Albemarle Corporation common shareholders | $ | (677,378) | | | $ | (1,316,096) | | | $ | 1,573,476 | | | Denominator: | | | | | | | Weighted-average common shares for basic (loss) earnings per share | 117,664 | | | 117,516 | | | 117,317 | | | Basic (loss) earnings per share | $ | (5.76) | | | $ | (11.20) | | | $ | 13.41 | | | Diluted (loss) earnings per share | | | | | | | Numerator: | | | | | | | | | | | | | | | | | | Net (loss) income attributable to Albemarle Corporation | $ | (510,628) | | | $ | (1,179,449) | | | $ | 1,573,476 | | | Mandatory convertible preferred stock dividends | (166,750) | | | (136,647) | | | — | | Net (loss) income attributable to Albemarle Corporation common shareholders | $ | (677,378) | | | $ | (1,316,096) | | | $ | 1,573,476 | | | Denominator: | | | | | | | Weighted-average common shares for basic (loss) earnings per share | 117,664 | | | 117,516 | | | 117,317 | | | | | | | | | Incremental shares under stock compensation plans | — | | | — | | | 449 | | | Weighted-average common shares for diluted (loss) earnings per share | 117,664 | | | 117,516 | | | 117,766 | | | Diluted (loss) earnings per share | $ | (5.76) | | | $ | (11.20) | | | $ | 13.36 | |
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| Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share |
The following table summarizes the number of shares, calculated on a weighted average basis, not included in the computation of diluted (loss) earnings per share because their effect would have been anti-dilutive (in thousands): | | | | | | | | | | | | | | | | | | | Year Ended December 31, | | 2025 | | 2024 | | 2023 | | Shares assuming the conversion of the mandatory convertible preferred stock | 20,709 | | | 16,932 | | | — | | | Shares under the stock compensation plan | 1,413 | | | 1,064 | | | 158 | |
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