About Vulvovaginal Candidiasis (VVC)
Vulvovaginal candidiasis, also known as candidal vaginitis or vaginal yeast infection, is the most common reproductive tract disorder for which women seek medical care and self-treatment. It is estimated that 75 percent of all women will experience at least one episode of vulvovaginal candidiasis in their lifetime, with 40 to 50 percent experiencing two or more episodes. Approximately five percent of women are diagnosed with recurrent or chronic vulvovaginal candidiasis, which is defined as four or more episodes in a one-year period.

About Zengen, Inc.
Incorporated in 1999, Zengen, Inc. is a biopharmaceutical company focused on discovering, developing and commercializing innovative products to treat and prevent infection and inflammation through application of its proprietary peptide technologies. For more information about Zengen, please visit: http://www.zengen.com.

Zengen, Inc. Forward-Looking Statement Disclaimer

This announcement may contain, in addition to historical information, certain forward-looking statements that involve risks and uncertainties. Such statements reflect management's current views and are based on certain assumptions. Actual results could differ materially from those currently anticipated as a result of a number of factors. The company is developing several products for potential future marketing. There can be no assurance that such development efforts will succeed, that such products will receive required regulatory clearance or that, even if such regulatory clearance were received, such products would ultimately achieve commercial success.

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Contact: Cattaliya Snider
sniderc@ruderfinn.com
310-479-9929
Zengen
25-May-2004