144 0001704268 XXXXXXXX LIVE 0001709048 GLOBALFOUNDRIES Inc. 001-40974 400 Stonebreak Road Extension Malta NY 12020 (518) 305-9013 Mubadala Technology Investment Company Affiliate Ordinary shares, par value US$0.02 per share Morgan Stanley & Co. LLC

1585 Broadway New York NY 10036

22000000 1979120000 548416440 05/26/2026 Nasdaq Ordinary shares, par value US$0.02 per share 10/27/2021 Shares acquired prior to the Issuer's initial public offering The Issuer N 378273074 10/27/2021 See Nature of Acquisition Transaction N Mubadala Technology Investment Company

Maples Corporate Services Limited PO Box 309, Ugland House Grand Cayman E9 KY1-1104

Ordinary shares, par value US$0.02 per share 03/13/2026 28813857 1176901989.17 The securities reported in Table II as sold in the past 3 months consist of shares sold pursuant to an effective registration statement and thus such sales are excluded from the volume limitation calculation, pursuant to Rule 144, pursuant to Rule 144(e)(3)(vii). The securities transaction reported in Table II includes the exercise by the underwriters on April 10, 2026 of their option to purchase 1,469,017 additional ordinary shares. The shares proposed to be sold are owned directly by Mubadala Technology Investment Company, a wholly-owned subsidiary of Mubadala Investment Company PJSC. 05/26/2026 /s/ Hernan Daniel Pellegrini