1,000,000,000 5.800% Fixed Rate Senior Notes due 2025 $1,500,000,000 5.650% Fixed Rate Senior Notes due 2028 $500,000,000 Floating Rate Senior Notes due 2025 UNDERWRITING AGREEMENTUnderwriting Agreement • September 11th, 2023 • Ubs Ag • National commercial banks • New York
UBS AG, a corporation organized under the laws of Switzerland (the “Company”), acting through its London branch, proposes to issue and sell to the several underwriters named in Schedule I hereto (the “Underwriters”), for whom you are acting as representative (the “Representative”) $1,000,000,000 aggregate principal amount of 5.800% Fixed Rate Senior Notes due 2025 (the “2025 Notes”), $1,500,000,000 aggregate principal amount of 5.650% Fixed Rate Senior Notes due 2028 (the “2028 Notes”) and $500,000,000 aggregate principal amount of Floating Rate Senior Notes due 2025 (the “Floating Rate Notes,” and together with the 2025 Notes and the 2028 Notes, the “Securities”). The Securities are to be issued pursuant to the provisions of an Indenture, dated as of June 12, 2015 (the “Base Indenture”), between the Company, acting through its London branch, and U.S. Bank Trust National Association, as trustee (the “Trustee”), as supplemented by (i) the Seventh Supplemental Indenture to be dated as of
