Halozyme Therapeutics, Inc. To Present At The Lazard Capital Markets Third Annual Life Sciences Conference

SAN DIEGO, Nov. 20 /PRNewswire-FirstCall/ -- Halozyme Therapeutics, Inc. , a biopharmaceutical company developing and commercializing recombinant human enzymes, today announced that it will present at the Lazard Capital Markets Third Annual Life Sciences Conference to be held at the Palace Hotel in New York City on November 28-29, 2006.

David Ramsay, Halozyme’s Chief Financial Officer, will present on Wednesday, November 29, 2006, at 2:30 p.m. Eastern time (11:30 a.m. Pacific time) and will discuss the Company’s strategic initiatives, product pipeline and market opportunities.

Interested parties can access a live audio webcast and accompanying slide presentation via the Internet by visiting the Investor Relations section of the Company’s Web site at www.halozyme.com. An archived presentation will be available on the Web site for 30 days.

About Halozyme Therapeutics, Inc.

Halozyme is a biopharmaceutical company developing and commercializing recombinant human enzymes for the drug delivery, palliative care, oncology, and infertility markets. The company’s portfolio of products is based on intellectual property covering the family of human enzymes known as hyaluronidases. Halozyme’s recombinant human enzymes may replace current animal slaughterhouse-derived extracts that carry potential risks of animal pathogen transmission and immunogenicity. The company has received FDA approval for two products: Cumulase(R), the first and only recombinant human hyaluronidase for cumulus removal in the IVF process; and Hylenex for use as an adjuvant to increase the absorption and dispersion of other injected drugs. The versatility of the first enzyme, rHuPH20, enables Halozyme to develop the product as a medical device, drug enhancement agent, and therapeutic drug.

Halozyme Contact Investor Relations Contact David A. Ramsay Zachary Bryant Chief Financial Officer Lippert/Heilshorn & Associates (858) 794-8889 (310) 691-7100 dramsay@halozyme.comzbryant@lhai.com

Halozyme Therapeutics, Inc.

CONTACT: David A. Ramsay, Chief Financial Officer of HalozymeTherapeutics, Inc., +1-858-794-8889, dramsay@halozyme.com; or InvestorRelations, Zachary Bryant of Lippert/Heilshorn & Associates,+1-310-691-7100, zbryant@lhai.com, for Halozyme Therapeutics, Inc.

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