Contact:

Wayne Schellhammer
Chairman & Chief Executive Officer
American CareSource Holdings, Inc.
Tel. 972-308-6828

The American Stock Exchange Lists the Common Stock of American CareSource
Holdings, Inc.

DALLAS, TX--(BUSINESS WIRE)--October 18, 2006-- The American Stock Exchange (the
"Exchange") will list the common stock of American CareSource Holdings, Inc.
("American CareSource"), for trading tomorrow, October 19, 2006 under the ticker
symbol XSI. "The listing on the American Stock Exchange is another important
milestone in the development of our company," said Wayne A. Schellhamer, Chief
Executive Officer of American CareSource. "We are honored to be part of the
American Stock Exchange; we believe that a listing on the American Stock
Exchange will increase our visibility to a broader pool of potential
shareholders and create an orderly market for our stock."

About American CareSource

American CareSource, a publicly traded ancillary care benefit management
company, is a comprehensive ancillary care service provider offering a national
network of more than 20,000 ancillary providers. American CareSource's ancillary
network management provides a complete outsourced solution for a wide variety of
healthcare payors and plan sponsors including self-insured employers, indemnity
insurers, PPOs, HMOs, third party administrators and both the Federal and local
governments. Through its product offerings, American CareSource offers its
clients substantial discounts on services rendered through its network of
ancillary care providers in more than 30 service categories.

Any statements that are not historical facts contained in this release are
forward-looking statements. It is possible that the assumptions made by
management for purposes of such statements may not materialize. Actual results
may differ materially from those projected or implied in any forward-looking
statements. Such statements may involve risks and uncertainties, including but
not limited to those relating to product demand, pricing, market acceptance, the
effect of economic conditions, and intellectual property rights, and the outcome
of competitive products, risks in product development, the results of financing
effort, the ability to complete transactions, and other risks identified in this
release, and the Securities and Exchange Commission filings of American
CareSource.