Nasdaq Halts Trading of American Biogenetic Sciences, Inc. and Requests Additional Information from Company

Washington, D.C.—The Nasdaq Stock Market^SM announced that trading was halted in American Biogenetic Sciences, Inc. (NASDAQ:MABA), today at 10:21 a.m., Eastern Time, for "additional information requested" from the company at a last price of 0.73. Trading will remain halted until American Biogenetic Sciences, Inc. has fully satisfied Nasdaq's request for additional information.

For news and additional information about the company, please contact the company directly or check under the company's symbol using InfoQuotes^SM on the Nasdaq Web site.

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