April 13, 2004

Neurochem invited to present findings on Alzheimer drug to Springfield Conference.
Symposium highlights Neurochem's Alzhemed™ as one of the most promising product candidates for the treatment of Alzheimer's Disease

- Neurochem, Inc. (NASDAQ: NRMX, TSX: NRM) - announced today that it has been chosen as one of the five group of researchers and companies that will be highlighted at the 8th International Montreal/Springfield Symposium on Advances in Alzheimer Therapy. This prestigious event is expected to gather more than 600 experts in the etiology and treatment of Alzheimer's Disease (AD). A press conference to announce the event will be held on April 14th at 12h30 in the Matapedia Room of the Fairmont Queen Elizabeth hotel in Montreal.

About Neurochem's Presentations during the Symposium

Dr.Francine Gervais, Ph.D., Neurochem's Vice-President, Research and Development, will present the Company's Glycosaminoglycan (GAG) Mimetic technology platform and explain how it would prevent the formation of amyloid fibrils in the brain. She will also describe how in the three-month randomized Phase II clinical trial, Neurochem's product candidate, Alzhemed™, was found to markedly reduce the concentration of amyloid ß (Aß) protein in the cerebrospinal fluid of treated patients in a dose-dependent fashion. Dr. Gervais' presentation will be made on Saturday, April 17, 2h10 P.M.

Denis Garceau, Ph.D., Neurochem's Vice-President, Drug Development, Dr. Garceau will describe the design of the Alzhemed™ Phase II clinical trial and then review the clinical results in Alzheimer patients after both the three-month randomized trial and up to 16 months of the on-going open-label extension study (OLES). Dr. Garceau's presentation will be held on Thursday, April 15, 5h30-7h30 P.M.(poster).

About Neurochem

Neurochem is focused on the development and commercialization of innovative therapeutics for neurological disorders. The Company's pipeline of proprietary, disease-modifying, oral products addresses critical unmet medical needs. Fibrillex™, designated as an orphan drug and as Fast Track Product candidate, is in a Phase II/III clinical trial for the treatment of AA amyloidosis. Alzhemed™ and Cerebril™ have completed a Phase II clinical trial for the treatment of Alzheimer's disease and for the prevention of hemorrhagic stroke caused by cerebral amyloid angiopathy respectively. For additional information on Neurochem, please visit our website at: (www.neurochem.com).

Certain statements contained in this news release, other than statements of fact that are independently verifiable at the date hereof, may constitute forward-looking statements. Such statements, based as they are on the current expectations of management, inherently involve numerous risks and uncertainties, known and unknown, many of which are beyond Neurochem's control. Such risks include but are not limited to: the impact of general economic conditions, general conditions in the pharmaceutical industry, changes in the regulatory environment in the jurisdictions in which Neurochem does business, stock market volatility, fluctuations in costs, and changes to the competitive environment due to consolidation as well as other risks included in public filings of Neurochem. Consequently, actual future results may differ materially from the anticipated results expressed in the forward-looking statements. The reader should not place undue reliance on the forward-looking statements included in this news release. These statements speak only as of the date made and Neurochem is under no obligation and disavows any intention to update or revise such statements as a result of any event, circumstances or otherwise.

For further Information, please contact:
Dr. Lise Hébert
Vice President, Corporate Communications
lhebert@neurochem.com

275 Armand-Frappier
Laval (Quebec)
H7V 4A7
Tel: (450) 680-4500
Fax: (450) 680-4501

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