on August 18, 2023, Arconic Corporation entered into an Indenture (the ?2031 Notes Indenture?), among Parent, Arconic, the other Subsidiary Guarantors and the Trustee, governing Parent?s issuance of 11.500% Senior Notes due 2031 with an initial aggregate principal amount of $500 million (the ?2031 Notes?). Pursuant to the 2031 Notes Indenture, Arconic and the other Subsidiary Guarantors agreed to guarantee Parent?s obligations under the 2031 Notes Indenture and the 2031 Notes. The 2031 Notes and the related guarantees are unsecured obligations of Arconic and the other Subsidiary Guarantors.

The 2031 Notes Indenture and the 2031 Notes include restrictive covenants, events of default and other provisions that are customary for obligations of this type.