Zonagen to Webcast Corporate Presentation at the Rodman & Renshaw Techvest 7th Annual Healthcare Conference

Zonagen, Inc. (NASDAQ:ZONA) announced today that the
Company's President and CEO, Joseph Podolski, will present a corporate
overview on Wednesday, November 9, 2005 at 10:10 a.m. Eastern Time
(7:10 a.m. Pacific Time) during the Rodman & Renshaw Techvest 7th
Annual Healthcare Conference.
   To access the live presentation or a subsequent archived recording
please log onto Zonagen's website at http://www.zonagen.com and click
on the "Presentations" tab. The archived webcast will be available for
90 days following the presentation. Please connect to Zonagen's
website prior to the start of the webcast to ensure adequate time to
download any software that may be necessary.

   About Zonagen, Inc. (www.Zonagen.com)

   Zonagen is a clinical stage biopharmaceutical company engaged in
the development of new drugs to treat hormonal and reproductive system
disorders.

   Forward-Looking Statement

   Any statements that are not historical facts contained in this
release are forward-looking statements that involve risks and
uncertainties including Zonagen's ability to have success in the
clinical development of its technologies, Zonagen's ability to have
success in meeting governmental regulations and the costs and time
required to meet such regulatory requirements, manufacturing
uncertainties related to Proellex(TM), the need for additional funding
in order to complete clinical trials for Proellex(TM), reliance on
independent contractors for development and manufacturing needs, and
such other risks identified in Zonagen's Annual Report on Form 10-K
for the year ended December 31, 2004, as filed with the Securities and
Exchange Commission (SEC) and other SEC filings. These documents are
available on request from Zonagen or at www.sec.gov. Zonagen disclaims
any intention or obligation to update or revise any forward-looking
statements, whether as a result of new information, future events or
otherwise.