IRVINE, Calif.--(BUSINESS WIRE)--Nov. 21, 2005--Allergan, Inc. (NYSE:AGN), a leading global specialty pharmaceutical company, today commenced an exchange offer for all outstanding shares of Inamed Corporation (NASDAQ:IMDC) under Allergan’s previously announced proposal to acquire Inamed. Allergan commenced the exchange offer after providing prior notification to Inamed. The two companies have entered into a confidentiality agreement and Allergan expects that the two companies will begin to exchange non-public information today.