X0202 3 2007-05-30 0 0001178879 AMICUS THERAPEUTICS INC FOLD 0001281153 FHM IV LP TWO UNION SQUARE 601 UNION STREET STE 3200 SEATTLE WA 98101 0 0 1 0 0001140366 FRAZIER HEALTHCARE IV LP 0 0 1 0 0001161015 FRAZIER AFFILIATES IV LP 0 0 1 0 Series B Convertible Preferred Stock Common Stock 988446 I By Frazier Healthcare IV, LP Series B Convertible Preferred Stock Common Stock 5016 I By Frazier Affiliates IV, LP Series C Convertible Preferred stock Common Stock 1011088 I By Frazier Healthcare IV, LP Series C Convertible Preferred Stock Common Stock 5132 I By Frazier Affiliates IV, LP Series D Convertible Preferred Stock Common Stock 572310 I By Frazier Healthcare IV, LP Series D Convertible Preferred stock Common Stock 2904 I By Frazier Affiliates IV, LP Warrant to purchase Series B (right to buy) 6.375 Series B Convertible Preferred Stock 15042 I By Frazier Healthcare IV, LP Warrant to purchase Series B (right to buy) 6.375 Series B Convertible Preferred Stock 76 I By Frazier Affiliates IV, LP The Issuer's Series B, Series C and Series D convertible preferred stock will automatically be converted into Common Stock, 1-for-1, upon the closing of the Issuer's initial public offering. These securities are owned directly by the entity listed. Frazier Healthcare IV, LP and Frazier Affiliates IV, LP, are joint filers. FHM IV, LP, the designated filer, serves as the general partner of Frazier Healthcare IV, LP and Frazier Affiliates IV, LP. FHM IV, LP disclaims beneficial ownership of the reported securities, except to the extent of its proportionate pecuniary interest therein. Warrant to purchase Series B convertible preferred stock will automatically be exercised for cash immediately prior to the closing of the Issuer's initial public offering. The Series B shares will automatically be converted to Common Stock upon the closing of the initial public offering. Exhibit 99.1 Joint Filer Information FHM IV, LP By: FHM IV, LLC, its General Partner /s/ Thomas S. Hodge, Chief Operating Officer 2007-05-30