Exhibit 10.1 CONFIDENTIAL TREATMENT REQUESTED--REDACTED COPY CONFIDENTIAL TREATMENT REQUESTED:INFORMATION FOR WHICH CONFIDENTIAL TREATMENT HAS BEEN REQUESTED IS OMITTED AND NOTED WITH "***" AN UNREDACTED VERSION OF THIS DOCUMENT HAS BEEN SUBMITTED...Commercial Supply Agreement • February 22nd, 2005 • Halozyme Therapeutics Inc • Biological products, (no disgnostic substances) • California
