4. start of new thread. 4, page-5

re: 4. webcast-dr bush's presentation available Webcast Available for Prana's Presentation at Banc of
America 2004 Healthcare Conference
Melbourne, Australia - May 20, 2004: Prana Biotechnology Limited (NASDAQ:

PRAN, ASX: PBT) today announced that the webcast of founding scientist Dr. Ashley Bush's presentation at the Banc of America 2004 Healthcare Conference on
Thursday, May 20, 2004, at 8:00 AM PDT, is available on Prana's corporate website at www.pranabio.com under the press release section of the corporate page or on the Banc of America website at http://www.veracast.com/webcasts/bas/healthcare-
2004/id11211327.cfm.

Founding scientists Drs. Rudolph Tanzi and Ashley Bush's theories concerning the interaction between metals and the protein beta-amyloid in the brain are the basis of Prana's treatments for Alzheimer's and other neurodegenerative diseases.

About Prana
Prana is a Melbourne-based biotechnology company established in 1997 to commercialize research into Alzheimer's disease and other major age-related degenerative disorders (Nasdaq:
PRAN; ASX: PBT).

Prana's technology was discovered by the company's researchers at prominent international institutions including Massachusetts General Hospital at Harvard Medical School, the University of Melbourne and the Mental Health Research Institute in Melbourne.

For more information about Prana, please visit www.pranabio.com.