Exhibit 99.1

Form 4 Joint Filer Information

Name: Frazier Healthcare IV, LP

Address: 601 Union Street, Suite 3200, Seattle, WA 98101

Designated Filer: FHM IV, LP

Issuer & Ticker Symbol: Amicus Therapeutics, Inc. (FOLD)

Date of Event Requiring Statement: June5, 2007

Frazier Healthcare IV, LP

By: FHM IV, LP, its General Partner

By: FHM IV, LLC, its General Partner

By: /s/ Thomas S. Hodge

Thomas S. Hodge, Chief Operating Officer

Name: Frazier Affiliates IV, LP

Address: 601 Union Street, Suite 3200, Seattle, WA 98101

Designated Filer: FHM IV, LP

Issuer & Ticker Symbol: Amicus Therapeutics, Inc. (FOLD)

Date of Event Requiring Statement: June 5, 2007

Frazier Affiliates IV, LP

By: FHM IV, LP, its General Partner

By: FHM IV, LLC, its General Partner

By: /s/ Thomas S. Hodge

Thomas S. Hodge, Chief Operating Officer