Viropro Inc. Closes Its US$1.3 Million Debenture

MONTREAL, May 24, 2007 (PRIME NEWSWIRE) -- Viropro, Inc. (OTCBB:VPRO) ("Viropro") announced the closing of the US$1.3 Million debenture opened on March 2, 2006. The debenture was payable in five tranches over a year period.