News

LA JOLLA, CA, August 6, 2004 - Senomyx, Inc. (NASDAQ: SNMX) announced today that the company will host a mid-year update conference call and live webcast on Thursday, August 12, 2004 at 11:00 AM Eastern Time (8:00 AM Pacific Time). During the conference call the Senomyx management team will provide a business update, review financial results for the first half of 2004, provide financial guidance and host an interactive question and answer session. The conference call may be accessed by dialing 1-800-291-5365 for domestic callers or 1-617-614-3922 for international callers. Please specify to the operator that you would like to join the "Senomyx Mid-Year Conference Call." Additionally, the conference call will be webcast live on the Internet at www.senomyx.com under the investor relations section and will be archived there for 30 days following the call. Please connect to Senomyx's website several minutes prior to the call to ensure adequate time for any software download that may be necessary.

About Senomyx

Senomyx is a biotechnology company using proprietary taste receptor-based assays and screening technologies to discover and develop novel flavors and flavor enhancers for the packaged food and beverage industry. Senomyx has entered into product discovery and development collaborations with four of the world's leading packaged food and beverage companies: Campbell Soup Company, The Coca-Cola Company, Kraft Foods Global, Inc. and Nestlé SA. Senomyx's current programs focus on the development of flavors or flavor enhancers.

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