November 1, 2021Malta, NY, November 1, 2021 – GlobalFoundries® (Nasdaq: GFS) (GF®), a global leader in feature-rich semiconductor manufacturing, today announced the closing of its initial public offering of 55,000,000 ordinary shares, 30,250,000 of which were offered by GF and 24,750,000 of which were offered by GF’s existing shareholder, Mubadala Investment Company PJSC, at an initial public offering price of $47.00 per share. The shares are listed on the Nasdaq Global Select Market and trade under the ticker symbol “GFS.” Morgan Stanley, BofA Securities, J.P. Morgan, Citigroup and Credit Suisse acted as active book-running managers for the offering. Deutsche Bank Securities, HSBC and Jefferies acted as additional book-running managers for the offering. Baird, Cowen, Needham & Company, Raymond James, Wedbush Securities, Drexel Hamilton, Siebert Williams Shank and IMI – Intesa Sanpaolo acted as co-managers for the offering. A registration statement relating to these securities was declared effective as of October 27, 2021 by the U.S. Securities and Exchange Commission. The offering was made only by means of a prospectus. Copies of the final prospectus relating to the offering may be obtained from: Morgan Stanley & Co. LLC, Attention: Prospectus Department, 180 Varick Street, 2nd Floor, New York, New York 10014; BofA Securities, Inc., NC1-004-03-43, Attention: Prospectus Department, 200 North College Street, 3rd Floor, Charlotte, NC 29255 or by email at [email protected].; J.P. Morgan Securities LLC, c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, NY 11717, by telephone at 866-803-9204 or by email at [email protected]; Citigroup Global Markets Inc., c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, NY 11717, by telephone at (800) 831-9146 or by email at [email protected]; or Credit Suisse Securities (USA) LLC, Attn: Prospectus Department, 6933 Louis Stephens Drive, Morrisville, NC 27560, by telephone at 800-221-1037 or by email at [email protected]. This press release does not constitute an offer to sell or the solicitation of an offer to buy these securities, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction. Forward-Looking Statements This news release may contain forward-looking statements, which involve risks and uncertainties. Readers are cautioned not to place undue reliance on any of these forward-looking statements. These forward-looking statements speak only as of the date hereof. GF undertakes no obligation to update any of these forward-looking statements to reflect events or circumstances after the date of this news release or to reflect actual outcomes, unless required by law. About GF: GlobalFoundries Inc. (GF) is one of the world’s leading semiconductor manufacturers. GF delivers feature-rich solutions that enable its customers to develop innovative products for pervasive chips for high-growth markets. GF provides a broad range of feature-rich process technology solutions with a unique mix of design, development and fabrication services. With an at-scale manufacturing footprint spanning the U.S., Europe and Asia, GF is a trusted technology source to its customers across the globe. Investor Contact: Investor Relations [email protected] Media Contact: Laurie Kelly VP Global Communications [email protected]