GILD: Material agreement · New financial obligation · Other company developments

Item 1.01. Entry into a Material Definitive Agreement. Supplemental Indenture On May 20, 2026, Gilead Sciences, Inc. (the “Company”) and Computershare Trust Company, National Association, as successor to Wells Fargo Bank, National Association, as trustee (the “Trustee” and, together with the Company, the “Parties”), entered into an Eleventh Supplemental Indenture (the “Eleventh Supplemental Indenture”) to the Indenture between the Parties, dated as of March 30, 2011 (the “Base Indenture”). The Eleventh Supplemental Indenture relates to the Company’s issuance of (a) $500,000,000 aggregate principal amount of the Company’s 4.250% Senior Notes due 2028 (the “2028 Notes”), (b) $1,000,000,000 aggregate principal amount of the Company’s 4.400% Senior Notes due 2029 (the “2029 Notes”), (c) $1,000,000,000 aggregate principal amount of the Company’s 4.600% Senior Notes due 2031 (the “2031 Notes”) and (d) $500,000,000 aggregate principal amount of the Company’s 4.900% Senior Notes due 2034 (the “2034 Notes” and, together with the 2028 Notes, the 2029 Notes and the 2031 Notes, the “Notes”). The Notes were sold in a public offering pursuant to the Company’s Registration Statement on Form S-3 (File No. 333-273745). The 2028 Notes will pay interest semi-annually at a rate of 4.250% per annum until May 20, 2028. The 2029 Notes will pay interest semi-annually at a rate of 4.400% per annum until May 20, 2029. The 2031 Notes will pay interest semi-annually at a rate of 4.600% per annum until May 20, 2031. The 2034 Notes will pay interest semi-annually at a rate of 4.900% per annum until May 20, 2034. The Company intends to use the net proceeds from the sale of the Notes for general corporate purposes, which may include funding for acquisitions, investments, strategic transactions or othe