| Calculation of Basic and Diluted Loss Per Share |
Basic and diluted earnings (loss) per share for the three-month and six-month periods ended June 30, 2026 and 2025 are calculated as follows (in thousands, except per share amounts): | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended June 30, | | Six Months Ended June 30, | | 2026 | | 2025 | | 2026 | | 2025 | | Basic earnings (loss) per share | | | | | | | | | Numerator: | | | | | | | | | Net income attributable to Albemarle Corporation | $ | 479,959 | | | $ | 22,897 | | | $ | 799,050 | | | $ | 64,245 | | | Mandatory convertible preferred stock dividends | (41,687) | | | (41,687) | | | (83,375) | | | (83,375) | | | Net income (loss) attributable to Albemarle Corporation common shareholders | $ | 438,272 | | | $ | (18,790) | | | $ | 715,675 | | | $ | (19,130) | | | Denominator: | | | | | | | | | Weighted-average common shares for basic earnings (loss) per share | 117,961 | | | 117,665 | | | 117,907 | | | 117,634 | | | Basic earnings (loss) per share | $ | 3.72 | | | $ | (0.16) | | | $ | 6.07 | | | $ | (0.16) | | | | | | | | | | | Diluted earnings (loss) per share | | | | | | | | | Numerator: | | | | | | | | | Net income attributable to Albemarle Corporation | $ | 479,959 | | | $ | 22,897 | | | $ | 799,050 | | | $ | 64,245 | | | Mandatory convertible preferred stock dividends | — | | | (41,687) | | | — | | | (83,375) | | | Net income (loss) attributable to Albemarle Corporation common shareholders | $ | 479,959 | | | $ | (18,790) | | | $ | 799,050 | | | $ | (19,130) | | | Denominator: | | | | | | | | | Weighted-average common shares for basic earnings (loss) per share | 117,961 | | | 117,665 | | | 117,907 | | | 117,634 | | | Incremental shares under mandatory convertible preferred stock | 17,521 | | | — | | | 17,521 | | | — | | | Incremental shares under stock compensation plans | 730 | | | — | | | 742 | | | — | | | Weighted-average common shares for diluted earnings (loss) per share | 136,212 | | | 117,665 | | | 136,170 | | | 117,634 | | | Diluted earnings (loss) per share | $ | 3.52 | | | $ | (0.16) | | | $ | 5.87 | | | $ | (0.16) | |
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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 earnings per share because their effect would have been anti-dilutive (in thousands): | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended June 30, | | Six Months Ended June 30, | | 2026 | | 2025 | | 2026 | | 2025 | | Shares assuming the conversion of the mandatory convertible preferred stock | — | | | 21,022 | | | — | | | 21,022 | | | Shares under the stock compensation plans | 90 | | | 1,543 | | | 90 | | | 1,352 | |
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