Date:9/18/2007

mptions and other factors that may cause the actual results of Theravance to be materially different from those reflected in its forward-looking statements. Important factors that could cause actual results to differ materially from those indicated by such forward-looking statements include, among others, risks related to delays or difficulties in commencing or completing clinical and preclinical studies, the potential that results of clinical or preclinical studies indicate product candidates are unsafe, ineffective, inferior or not superior, delays or failure to achieve regulatory approvals, and risks of collaborating with third parties to develop and commercialize products. These and other risks are described in greater detail under the heading "Risk Factors" contained in Item 1A of Theravance's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission (SEC) on August 8, 2007 and the risks discussed in our other filings with the SEC. Given these uncertainties, you should not place undue reliance on these forward-looking statements. Theravance assumes no obligation to update its forward-looking statements.

Contact Information:

Astellas Pharma US Inc.

Corporate Communications

Maribeth Landwehr

847-317-8988

maribeth.landwehr@us.astellas.com

Theravance, Inc.

Investors/Media

Allison Parker

Director, Investor Relations

650-808-4100

investor.relations@theravance.com

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SOURCE Astellas Pharma US, Inc. Copyright©2007 PR Newswire. All rights reserved

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