AVANIR Pharmaceuticals Invites Investors to Third Quarter Conference Call

ALISO VIEJO, Calif., July 23, 2009 - AVANIR Pharmaceuticals, Inc. (NASDAQ: AVNR) today announced that it will release unaudited financial results for the three and nine months ended June 30, 2009 before market open on Wednesday, July 29, 2009. Keith Katkin, President and Chief Executive Officer, Randall Kaye, M.D., Senior Vice President and Chief Medical Officer, and Christine Ocampo, Vice President, Finance, will host an investment community conference call that same day at 8:00 a.m. Pacific time / 11:00 a.m. Eastern time to discuss those results and answer questions.

Investors are invited to listen to the live webcast by visiting AVANIR's corporate website at www.avanir.com. To listen to the live call, please go to AVANIR's website prior to the start of the call to register, download and install the necessary audio software.

An archived copy of the webcast will be available on AVANIR's website for 30 days, and a telephone replay will be available through August 3, 2009, by dialing (800) 642-1687 (domestic) or (706) 645-9291 (international) and entering the conference ID number 21923090.

About AVANIR

AVANIR Pharmaceuticals, Inc. is a biopharmaceutical company focused on acquiring, developing, and commercializing novel therapeutic products for the treatment of central nervous system disorders. AVANIR's lead product candidate, Zenvia™, is being developed for the treatment of pseudobulbar affect (PBA) and diabetic peripheral neuropathic (DPN) pain. AVANIR has licensed its MIF inhibitor program to Novartis International Pharmaceuticals Ltd. and has sold its anthrax monoclonal antibody program to Emergent BioSolutions. The Company's first commercialized product, Abreva® (docosanol), 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 and further information about pseudobulbar affect can be found at www.PBAinfo.org.

To be included on AVANIR's e-mail alert list; click on the link below or visit AVANIR's website: http://www.b2i.us/irpass.asp?BzID=958&to=ea&s=0

AVANIR Investor Contacts
Eric Benevich or Brenna Mullen
949-389-6700
ir@avanir.com

Jul 23, 2009