ILMN: Material agreement · Termination of an agreement · New financial obligation

Item 1.01. Entry into a Material Definitive Agreement. Entry into Credit Agreement On August 13, 2026, Illumina, Inc. (“Illumina” or the “Company”) entered into a credit agreement (the “Credit Agreement”) among the Company, as the borrower, the lenders from time to time party thereto, Bank of America, N.A., as administrative agent, an issuing bank and the swingline lender, and the other issuing banks from time to time party thereto. The Credit Agreement provides for a $1,000 million senior unsecured five-year revolving credit facility (with a $50 million sublimit for swingline borrowings and a $75 million sublimit for letters of credit) (the “Credit Facility”). Any loans under the Credit Facility will have a variable interest rate based on either the term secured overnight financing rate or the alternate base rate, plus an applicable rate that varies with the Company’s debt rating. The Credit Agreement includes an option for the Company to elect to increase the commitments under the Credit Facility or to enter into one or more tranches of term loans in the aggregate principal amount of up to $500 million, subject to the consent of the lenders providing the additional commitments or term loans, as applicable, and certain other conditions. The proceeds of the loans under the Credit Facility may be used to finance the working capital needs, and for general corporate or other lawful purposes, of Illumina and its subsidiaries. The Credit Agreement contains financial and operating covenants. The financial covenant provides for a maximum total leverage ratio. Operating covenants include, among other things, limitations on (i) the incurrence of indebtedness by the Company’s subsidiaries, (ii) liens on assets of the Company and its subsidiaries and (iii) certain fundamental chan