ALKS: Material agreement

Item 1.01 Entry into a Material Definitive Agreement. Term Loan Credit Facilities On August 12, 2026, Alkermes plc (the “Company”) entered into Amendment No. 1 to Credit Agreement (the “Amendment”), which amends the Credit Agreement, dated as of February 12, 2026 (the “Credit Agreement”), among the Company, as the TopCo Borrower, Alkermes, Inc., as the U.S. Borrower, Alkermes Finance LLC, as the U.S. Co-Borrower, JPMorgan Chase Bank, N.A., as Administrative Agent, Joint Lead Arranger and Joint Bookrunner, BofA Securities, Inc., as Joint Lead Arranger and Joint Bookrunner, and the lenders party thereto. The Credit Agreement provides for a senior secured term loan A facility (the “TLA Facility”) in an outstanding principal amount of $745,312,500.00 and a senior secured term loan B facility (the “TLB Facility”) in an outstanding principal amount of $773,062,500. The TLA Facility matures on February 12, 2031 and the TLB Facility matures on August 12, 2031. The Amendment reduces the interest rate spread (i) under the TLA Facility by 0.75% and (ii) under the TLB Facility by 0.50%, among other changes. After giving effect to the Amendment, borrowings under the TLA Facility will bear interest at an annual rate of, at our option, either (i) the Term SOFR Rate (as defined in the Credit Agreement), plus a Secured Net Leverage Ratio (as defined in the Credit Agreement)-based margin, ranging from 1.75% to 2.25% per annum, or (ii) the Alternate Base Rate (as defined in the Credit Agreement) plus a Secured Net Leverage Ratio-based margin, ranging from 0.75% to 1.25% per annum. Borrowings under the TLB Facility will bear interest at an annual rate of, at our option, either (i) the Term SOFR Rate plus a margin of 2.25% per annum, or (ii) the Alternate Base Rate plus a margin of 1.25% pe