ZONARE Medical Systems, Inc. Files Registration Statement for Initial Public Offering

Market Wire, July, 2008

ZONARE Medical Systems, Inc. announced today that it has filed a registration statement on Form S-1 with the U.S. Securities and Exchange Commission for a proposed initial public offering of shares of its common stock. Copies of the registration statement on Form S-1 can be accessed through the SEC's website at www.sec.gov .

Citi and Piper Jaffray & Co. are acting as joint book-running managers of the offering, with Cowen and Company, LLC and Canaccord Adams Inc. acting as co-managers. The number of shares to be offered and the price range for the offering have not yet been determined.

The offering will be made only by means of a prospectus. When available, a copy of the preliminary prospectus relating to the offering may be obtained from Citigroup Global Markets Inc., Brooklyn Army Terminal, 140 58th Street, 8th Floor, Brooklyn, NY, 11220, telephone: 1-877-858-5407 or via email at batprospectusdept@citigroup.com , or Piper Jaffray & Co., Prospectus Department, 800 Nicollet Mall, Suite 800, Minneapolis, MN, 55402, telephone: 612-303-8290 or via email at prospectus@pjc.com .

A registration statement relating to these shares of ZONARE Medical Systems common stock has been filed with the Securities and Exchange Commission but has not yet become effective. These shares may not be sold nor may offers to buy be accepted prior to the time the registration statement becomes effective. This press release shall not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any sale of the shares of ZONARE Medical Systems' common stock in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction.

About ZONARE Medical Systems, Inc.

ZONARE Medical Systems, Inc., based in Mountain View, Calif., develops, manufactures and commercializes premium compact ultrasound systems that combine its proprietary technology with an innovative physical design. Zone Sonography technology, ZONARE's unique patented approach to ultrasound imaging, is focused on bringing premium image quality, performance and features to a wide range of clinical settings. Additional information can be found at www.zonare.com .

Media Contact: Amy Cook 925.552.7893 Email Contact Investor Contact: Timothy Marcotte 650.230.2800 Email Contact