Nastech Pharmaceutical Company Inc. to Release Second Quarter Financial Results and Host Webcast on Wednesday, August 8, 2007

BOTHELL, Wash., Aug. 1 /PRNewswire-FirstCall/ -- Nastech Pharmaceutical Company Inc. announced today that its second quarter financial results will be released on Wednesday, August 8, 2007 after the Nasdaq Global Market System closes. Management will host a conference call with investors and financial analysts to discuss these results and to provide an update of the Company's clinical pipeline at 4:30 p.m. Eastern Time (1:30 p.m. Pacific Time).

To participate in the live conference call, U.S. residents should dial (866) 203-3206 and international callers should dial (617) 213-8848. The access code for the live conference call is 61791887. To access the 24-hour telephone replay, U.S. residents should dial (888) 286-8010 and international callers should dial (617) 801-6888. The access code for the replay is 95003056.

Alternatively, to access the live audio webcast for this conference call or the subsequent 30-day archive, please log on to Nastech's website at http://www.nastech.com approximately 15 minutes prior to the conference call in order to register and download any necessary software.

About Nastech

Nastech is a biopharmaceutical company developing innovative products based on proprietary molecular biology-based drug delivery technologies. Nastech and our collaboration partners are developing products for multiple therapeutic areas including osteoporosis, obesity, diabetes, autism, respiratory diseases and inflammatory conditions. Additional information about Nastech is available at http://www.nastech.com.

Contacts: Nastech Pharmaceutical Company Inc. Ed Bell Director, Investor Relations (425) 908-3639 ir@nastech.com Russo Partners, LLC Matthew Haines (Investors/Media) (212) 845-4235

Nastech Pharmaceutical Company Inc.

CONTACT: Ed Bell, Nastech Pharmaceutical Company Inc., Director, InvestorRelations, +1-425-908-3639, or ir@nastech.com; or Investors-Media, MatthewHaines, Russo Partners, LLC, +1-212-845-4235, for Nastech PharmaceuticalCompany Inc.

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