GlobalFoundries Results Presentation Deck

Key Q3'23 Results (Unaudited) -11% 2,074 Q3'22 Revenue Millions USD 1,852 Q3'23 Adjusted EBITDA & Margin Millions USD -16% 793 38.2% Q3'22 667 36.0% Q3'23 Wafer Shipments 300mm equivalents (k) -10% 637 Q3'22 575 Q3'23 Note: Adjusted EBITDA is a Non-IFRS measure which we define adjusted EBITDA as net income (loss), excluding 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. See "Unaudited reconciliation of Net Income to Adjusted EBITDA" found in the Appendix. Effective Q3'22, the Company has revised its definition of Adjusted EBITDA to include an adjustment for finance income. Adjusted EBITDA margin is adjusted EBITDA divided by net revenue. GlobalFoundries © 2023 All Rights Reserved 4

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