NASTECH TO RELEASE FIRST QUARTER FINANCIAL RESULTS

Nastech Pharmaceutical Company Inc. announced today that its first quarter financial results will be released on Wednesday, May 3, 2006, after the Nasdaq National Market System closes. PR Newswire (http://www.prnewswire.com/cgi-bin/stories.pl?ACCT=104&STORY=/www/story/04-24-2006/0004345738&EDATE=)