Senomyx to Webcast Corporate Presentation at the ROTH 21st Annual OC Growth Stock Conference

Senomyx, Inc. (NASDAQ:SNMX), a leading company focused on using proprietary taste receptor technologies to discover and develop novel flavor ingredients for the food, beverage, and ingredient supply industries, announced today that Kent Snyder, the Company’s President and CEO, will present a corporate overview on Tuesday, February 17, 2009 at 1:30 p.m. Eastern Time (10:30 a.m. Pacific Time) during the ROTH 21st Annual OC Growth Stock Conference. The conference is taking place at the Ritz Carlton Laguna Niguel in Dana Point, CA. During the presentation, Mr. Snyder will discuss corporate developments including the Company’s pipeline of novel flavor ingredients and its business strategy.

To access the live presentation or a subsequent archived recording, please log onto Senomyx’s website at http://www.senomyx.com and click on the “Investor Relations” tab. The archived webcast will be available for 30 days following the presentation. Please connect to Senomyx’s website prior to the start of the webcast to ensure adequate time to download any software that may be necessary.

About Senomyx, Inc. (www.senomyx.com)

Senomyx is a leading company using proprietary taste receptor technologies to discover and develop novel flavor ingredients in the savory, sweet, salt, bitter, and cooling areas. Senomyx has entered into product discovery, development, and commercialization collaborations with seven of the world's foremost food, beverage, and ingredient supply companies: Ajinomoto Co., Inc., Cadbury plc, Campbell Soup Company, The Coca-Cola Company, Firmenich SA, Nestlé SA, and Solae. Nestlé is currently marketing products that contain one of Senomyx’s flavor ingredients. For more information, please visit www.senomyx.com.