GlobalFoundries Results Presentation Deck

Financial Measures (Non-IFRS) In addition to the financial information presented in accordance with IFRS, this press release includes the following Non-IFRS metrics: adjusted gross profit, adjusted selling, general and administrative expense, adjusted research and development expense, adjusted operating profit, adjusted net income, adjusted diluted earnings per share, adjusted EBITDA, free cash flow and any related margins. We define adjusted gross profit as gross profit adjusted for share-based compensation expense. We define adjusted selling, general and administrative expense as selling, general and administrative expense adjusted for share-based compensation expense. We define adjusted research and development expense as research and development expense adjusted for share-based compensation expense. We define adjusted operating profit as profit from operations adjusted for share-based compensation expense and restructuring charges. We define adjusted net income as net income adjusted for share- based compensation expense, restructuring charges and the associated tax impact. We define adjusted diluted EPS as adjusted net income divided by the dilutive shares. We define free cash flow as cash flow provided by (used in) operating activities less purchases of property, plant and equipment and intangible assets. We define adjusted EBITDA as net income, adjusted for the impact of finance expense, finance income, income tax expense, depreciation, amortization, share-based compensation expense, divestiture gains and associated expenses, restructuring charges, labor optimization initiatives and litigation settlements. We believe that in addition to our results determined in accordance with IFRS, these Non-IFRS measures provide useful information to both management and investors in measuring our financial performance and highlight trends in our business that may not otherwise be apparent when relying solely on IFRS measures. These Non-IFRS financial measures provide supplemental information regarding our operating performance that excludes certain gains, losses and non-cash charges that occur relatively infrequently and/or that we consider to be unrelated to our core operations. Management believes that free cash flow as a Non-IFRS measure is helpful to investors as it provides insights into the nature and amount of cash the Company generates in the period. For further information regarding these Non-IFRS measures, please refer to "Unaudited Reconciliation of IFRS to Non- IFRS" table above. Non-IFRS financial information is presented for supplemental informational purposes only and should not be considered in isolation or as a substitute for financial information presented in accordance with IFRS. Our presentation of Non-IFRS measures should not be construed as an inference that our future results will be unaffected by unusual or nonrecurring items. Other companies in our industry may calculate these measures differently, which may limit their usefulness as a comparative measure. GlobalFoundries © 2023 All Rights Reserved 20

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