Exchange Offers and Cash Offers
On February 16, 2021, Biogen Inc. (the “Company”) completed (a) its previously announced private offer to exchange (the “Exchange Offer”) any and all of its validly tendered and not validly withdrawn outstanding 5.200% Senior Notes due 2045 (the “Old Notes”) for a new series of the Company’s 3.250% Senior Notes due 2051 (the “New Notes”) and cash, and (b) its previously announced offer to purchase (the “Cash Offer” and, together with the Exchange Offer, the “Offers”) its validly tendered and not validly withdrawn Old Notes for cash.
An aggregate principal amount of $624,567,000.00 of Old Notes was validly tendered and accepted in the Exchange Offer, and an aggregate principal amount of $8,907,000.00 of Old Notes was validly tendered and accepted for purchase in the Cash Offer. All of the Old Notes accepted for exchange or purchase have been cancelled by the Company. Following such cancellations, the aggregate principal amount of $1,116,526,000.00 of Old Notes remains outstanding.
In consideration for the Old Notes that were accepted for exchange by the Company in the Exchange Offer, the Company issued $700,731,000.00 in aggregate principal amount of New Notes and made cash payments of $151,669,850.28 in the aggregate, excluding accrued and unpaid interest on the Old Notes accepted for exchange from the last interest payment date to, but excluding, the settlement date and excluding amounts due in lieu of fractional amounts of New Notes. The terms of the New Notes are set forth in the Third Supplemental Indenture (as defined below).
In consideration for the Old Notes that were accepted for purchase by the Company in the Cash Offer, the Company made cash payments of $12,087,867.84 in the aggregate, excluding accrued and unpaid interest on the Old Notes accepted for exchange from the last interest payment date to, but excluding, the settlement date.
Third Supplemental Indenture and 3.250% Senior Notes due 2051
The New Notes were issued pursuant to an indenture, dated September 15, 2015 (the “Base Indenture”), as supplemented by the Third Supplemental Indenture, dated February 16, 2021 (the “Third Supplemental Indenture” and, together with the Base Indenture, the “Indenture”), by and between the Company and U.S. Bank National Association, as trustee.