WALTHAM, Mass.--(BUSINESS WIRE)--April 28, 2006--PRAECIS PHARMACEUTICALS INCORPORATED (NASDAQ: PRCS - News), today announced that it will report First Quarter 2006 financial results on Friday, May 5, 2006, before the financial markets open. Company management will host a conference call beginning at 9:00 a.m., EDT, with members of the investment community.