Biogen Inc.: Biogen Announces the Pricing Terms of Its Private Exchange Offer CAMBRIDGE, Mass., Feb. 10, 2021 (GLOBE NEWSWIRE) -- Biogen Inc. ("Biogen") (Nasdaq: BIIB) today announced the pricing terms of its previously announced private offer to exchange (the "Exchange Offer") any and all of its outstanding 5.200% Senior Notes due 2045 (the "Old Notes"), totaling $1.75 billion in aggregate principal amount, for a new series of 3.250% senior notes due 2051 to be issued by Biogen (the "New Notes") and cash on the terms and subject to the conditions set forth in the Offering Memorandum dated February 4, 2021 (the "Offering Memorandum") and the accompanying eligibility letter (the "Eligibility Letter"), Canadian beneficial holder form and notice of guaranteed delivery (collectively, the "Exchange Offer Documents").