AVANIR Pharmaceuticals Invites Investors to Its Second Fiscal Quarter 2005 Conference Call on May 16, 2005

SAN DIEGO--(BUSINESS WIRE)--May 10, 2005--AVANIR Pharmaceuticals (AMEX:AVN) will webcast its quarterly conference call on Monday, May 16, 2005 at 1:30 p.m. Pacific/ 4:30 p.m. Eastern. The call will be webcast live through AVANIR's corporate website at http://www.avanir.com/ and will feature Dr. Gerald Yakatan, President and Chief Executive Officer, and Gregory P. Hanson, Vice President and Chief Financial Officer. A press release announcing the quarter's financial results will be released at market close the same day.

It is recommended that you go to AVANIR's website at least 10 minutes in advance of the webcast to download any applicable software. For those who cannot listen to the live broadcast, the online replay will be available for 90 days, and a phone replay will be available through May 23, 2005, by dialing 888-266-2081 (domestic) and 703-925- 2533 (international) and entering the passcode 703112.

AVANIR Pharmaceuticals is a drug discovery and development company focused on developing and commercializing novel therapeutic products for the treatment of chronic diseases. Our product candidates address therapeutic markets that include central nervous system and cardiovascular disorders, inflammation, and infectious disease. The Company's first commercialized product, Abreva(R), is marketed in North America by GlaxoSmithKline Consumer Healthcare and is the leading over-the-counter product for the treatment of cold sores. Further information about AVANIR can be found at www.avanir.com.

    CONTACT: AVANIR Pharmaceuticals
             Patrice Saxon, 858-622-5202 (Investor Relations)

    SOURCE: AVANIR Pharmaceuticals