| Schedule of Error Corrections and Prior Period Adjustments |
Revision to prior period financial statements - Consolidated Statements of Operations | | | | | | | | | | | For the three months ended March 31, 2025 | | For the three months ended March 31, 2026 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Selling, general and administrative expenses | | | | | | | | | Gain on disposal of long-lived assets | | | | | | | | | | | | | | | | | | | | | | | | | | | Other non-operating income, net | | | | | | | | | Loss before income tax benefit | | | | | | | | | | | | | | | | | | | | | | | | | | | Net loss attributable to noncontrolling interests | | | | | | | | | Net loss attributable to the Company | | | | | | | | | | | | | | | | | | Loss per share attributable to the Company: | | | | | | | | | | | | | | | | | | | | | | | | | | | Weighted-average number of shares outstanding: | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | For the three months ended June 30, 2025 | | For the six months ended June 30, 2025 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Selling, general and administrative expenses | | | | | | | | | Gain on disposal of long-lived assets | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Other non-operating income, net | | | | | | | | | Income before income tax expense | | | | | | | | | | | | | | | | | | Income from equity method investments | | | | | | | | | | | | | | | | | | Net loss attributable to noncontrolling interests | | | | | | | | | Net income attributable to the Company | | | | | | | | | | | | | | | | | | Earnings per share attributable to the Company: | | | | | | | | | | | | | | | | | | | | | | | | | | | Weighted-average number of shares outstanding: | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | For the three months ended March 31, 2025 | | For the three months ended March 31, 2026 | | | | | | | | | | | | | | | | | | | Other comprehensive income (loss), net of tax: | | | | | | | | | Foreign currency translation | | | | | | | | | Net change in fair value of effective portion of cash flow hedges, net of tax | | | | | | | | | Actuarial (losses) gains and prior service (costs) credits for pension and other postretirement plans, net of tax | | | | | | | | | Total other comprehensive income (loss), net of tax | | | | | | | | | | | | | | | | | | Comprehensive (income) loss attributable to noncontrolling interests | | | | | | | | | Comprehensive loss attributable to the Company | | | | | | | | |
| | | | | | | | | | | For the three months ended June 30, 2025 | | For the six months ended June 30, 2025 | | | | | | | | | | | | | | | | | | | Other comprehensive income (loss), net of tax: | | | | | | | | | Foreign currency translation | | | | | | | | | Net change in fair value of effective portion of cash flow hedges, net of tax | | | | | | | | | Actuarial (losses) gains and prior service (costs) credits for pension and other postretirement plans, net of tax | | | | | | | | | Total other comprehensive income (loss), net of tax | | | | | | | | | Total comprehensive income | | | | | | | | | Comprehensive (income) loss attributable to noncontrolling interests | | | | | | | | | Comprehensive income attributable to the Company | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | Cash and cash equivalents | | | | | | | | | | | | | | | Prepaid expenses and other current assets | | | | | | | | | | Property, plant and equipment, net | | | | | | | | | | | | | | | Operating lease right-of-use assets, net | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Current portion of long-term debt | | | | | Operating lease liabilities | | | | | Other current liabilities | | | | | Total current liabilities | | | | | | | | | | Deferred income tax liabilities | | | | | Noncurrent operating lease liabilities | | | | | Other noncurrent liabilities | | | | | | | | | | Commitments and contingencies (see Note 18) | | | | | | | | | | Common stock, par value of $0.01 per share, 680,250,615 shares authorized, 566,875,513 issued and 553,082,525 outstanding as of December 31, 2025 | | | | | Additional paid-in capital | | | | | | | | | | Treasury stock, 13,792,988 shares as of December 31, 2025 | | | | | Accumulated other comprehensive loss | | | | | Total equity attributable to the Company | | | | | | | | | | | | | | | Total Liabilities and Equity | | | | |
| | | | | | | | | | | For the three months ended March 31, 2025 | | For the three months ended March 31, 2026 | | | | | | | | | | Cash Flows from Operating Activities: | | | | | | | | | | | | | | | | | | Adjustments to reconcile net (loss) income to net cash used in operating activities: | | | | | | | | | Depreciation, depletion, accretion and amortization | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Changes in operating assets and liabilities, net of effects of acquisitions: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Defined benefit pension plans and other postretirement benefit plans | | | | | | | | | Net cash used in operating activities | | | | | | | | | Cash Flows from Investing Activities: | | | | | | | | | Purchases of property, plant and equipment | | | | | | | | | Net cash used in investing activities | | | | | | | | | Cash Flows from Financing Activities: | | | | | | | | | | | | | | | | | | Net cash provided by (used in) financing activities | | | | | | | | |
| | | | | | | For the six months ended June 30, 2025 | | | | | | Cash Flows from Operating Activities: | | | | | | | | | | Adjustments to reconcile net loss to net cash used in operating activities: | | | | | Depreciation, depletion and amortization | | | | | | | | | | Deferred tax (benefit) expense | | | | | | | | | | Changes in operating assets and liabilities, net of effects of acquisitions: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Defined benefit pension plans and other postretirement benefit plans | | | | | Net cash used in operating activities | | | | | Cash Flows from Investing Activities: | | | | | Purchases of property, plant and equipment | | | | | Net cash used in investing activities | | | | | Cash Flows from Financing Activities: | | | | | | | | | | Net cash used in financing activities | | | | |
| | | | | | | | | | | | | | | Accumulated other comprehensive | | | | | | | | | | | | | | | | | | | | | Balance as of December 31, 2024 | | | | | | | | | | | | | | | | | | | | | | | | | | Other comprehensive income, net of taxes | | | | | | | | | | | | | | | | | | | | | | | | | | Changes in equity attributable to noncontrolling interests | | | | | | | | | | | | | Balance as of March 31, 2025 | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Balance as of March 31, 2025 | | | | | | | | | | | | | | | | | | | | | | | | | | Other comprehensive income, net of taxes | | | | | | | | | | | | | Changes in equity attributable to noncontrolling interests | | | | | | | | | | | | | Net transfers from Holcim including Spin-Off related adjustments | | | | | | | | | | | | | Issuance of Common stock, Treasury stock, and reclassification of Net parent investment | | | | | | | | | | | | | Balance as of June 30, 2025 | | | | | | | | | | | | |
| | | | | | | | | | | Accumulated other comprehensive | | | | | | | | | | | | | | | | | Balance as of March 31, 2025 | | | | | | | | | | | | | | | | | | | | Other comprehensive income, net of taxes | | | | | | | | | | Changes in equity attributable to noncontrolling interests | | | | | | | | | | Net transfers from Holcim including Spin-Off related adjustments | | | | | | | | | | Issuance of Common stock, Treasury stock, and reclassification of Net parent investment | | | | | | | | | | Balance as of June 30, 2025 | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Balance as of December 31, 2024 | | | | | | | | | | | | | | | | | | | | | | | | | | Other comprehensive income, net of taxes | | | | | | | | | | | | | Changes in equity attributable to noncontrolling interests | | | | | | | | | | | | | Net transfers from Parent including Spin-off- related adjustments | | | | | | | | | | | | | Issuance of Common stock, Treasury stock and reclassification of Net parent investment | | | | | | | | | | | | | Balance as of June 30, 2025 | | | | | | | | | | | | |
| | | | | | | | | | | Accumulated other comprehensive | | | | | | | | | | | | | | | | | Balance as of December 31, 2024 | | | | | | | | | | | | | | | | | | | | Other comprehensive income, net of taxes | | | | | | | | | | Changes in equity attributable to noncontrolling interests | | | | | | | | | | Net transfers from Parent including Spin-off-related adjustments | | | | | | | | | | Issuance of Common stock, Treasury stock and reclassification of Net parent investment | | | | | | | | | | Balance as of June 30, 2025 | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Balance as of December 31, 2024 | | | | | | | | | | | | | | | | | | | | | | | | | | Other comprehensive income, net of taxes | | | | | | | | | | | | | Changes in equity attributable to noncontrolling interests | | | | | | | | | | | | | Net transfers from Parent including Spin-off- related adjustments | | | | | | | | | | | | | Issuance of Common stock, Treasury stock and reclassification of Net parent investment | | | | | | | | | | | | | Share-based compensation expense | | | | | | | | | | | | | Balance as of December 31, 2025 | | | | | | | | | | | | |
| | | | | | | | | | | Accumulated other comprehensive | | | | | | | | | | | | | | | | | Balance as of December 31, 2024 | | | | | | | | | | | | | | | | | | | | Other comprehensive income, net of taxes | | | | | | | | | | Changes in equity attributable to noncontrolling interests | | | | | | | | | | Net transfers from Parent including Spin-off-related adjustments | | | | | | | | | | Issuance of Common stock, Treasury stock and reclassification of Net parent investment | | | | | | | | | | Share-based compensation expense | | | | | | | | | | Balance as of December 31, 2025 | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Balance as of December 31, 2025 | | | | | | | | | | | | | | | | | | | | Other comprehensive loss, net of taxes | | | | | | | | | | Share-based compensation expense | | | | | | | | | | Shares withheld for employees’ income tax obligations and other | | | | | | | | | | Balance as of March 31, 2026 | | | | | | | | | |
| | | | | | | | | | | Accumulated other comprehensive | | | | | | | | | | | | | | | | | Balance as of December 31, 2025 | | | | | | | | | | | | | | | | | | | | Other comprehensive loss, net of taxes | | | | | | | | | | Share-based compensation expense | | | | | | | | | | Shares withheld for employees’ income tax obligations and other | | | | | | | | | | Balance as of March 31, 2026 | | | | | | | | | |
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