Halozyme Therapeutics, Inc. Announces Pricing of Private Offering of $650 Million of Convertible Senior Notes due 2031 and $650 Million of Convertible Senior Notes due 2032

SAN DIEGO, Nov. 6, 2025 /PRNewswire/ -- Halozyme Therapeutics, Inc. (NASDAQ: HALO) ("Halozyme" or the "Company"), today announced the pricing of $650 million aggregate principal amount of 0% convertible senior notes due 2031 (the "2031 Notes") and $650 million aggregate principal amount of 0.875% convertible senior notes due 2032 (the "2032 Notes" and, together with the 2031 Notes, the "Convertible Notes"). The Company also granted a 13-day option to the initial purchasers to purchase up to an additional $100 million aggregate principal amount of the 2031 Notes and up to an additional $100 million aggregate principal amount of the 2032 Notes. The Convertible Notes are being offered and sold only to persons reasonably believed to be "qualified institutional buyers" pursuant to Rule 144A und