Exhibit 99

    HILAND PARTNERS, LP ANNOUNCES APPOINTMENT OF NEW DIRECTOR TO BOARD OF ITS
                                 GENERAL PARTNER

    ENID, Okla., May 11 /PRNewswire-FirstCall/ -- Hiland Partners, LP (Nasdaq:
HLND) (the "Partnership") announced today the appointment of Rayford T. Reid to
the board of directors of its general partner, Hiland Partners GP, LLC. Mr. Reid
has also been named to the compensation committee of the board of directors.

    Mr. Reid has more than 30 years of investment banking, financial advisory
and commercial banking experience, including 25 years focused on the oil and gas
industry. During the last 20 years, Mr. Reid has served as President of R. Reid
Investments Inc. ("Reid Investments"), a private investment banking firm which
exclusively serves companies engaged in the energy industry. Reid Investments
specializes in mergers, acquisitions and divestitures and traditional and
non-traditional private placements of debt and equity.

    Prior to organizing Reid Investments in 1985, Mr. Reid spent three years
with R.R.Y. Partners in Dallas, eight years with Salomon Brothers in New York
and Dallas and two years with Liberty National Bank in Oklahoma City. As the
founder of R.R.Y. Partners, Mr. Reid was responsible for that firm's oil and gas
investment banking and financial advisory activities. Mr. Reid began his career
at Salomon Brothers in 1974 in the sales department where he established several
significant relationships with Fortune 100 companies. In 1976, Mr. Reid joined
Salomon Brothers' investment banking department with responsibilities for merger
and acquisition activities. Mr. Reid moved to Dallas in 1978 to assume corporate
finance responsibilities for corporations headquartered in the southwest and to
manage Salomon Brothers' significant partnership investments in oil and gas.
From 1978 to 1982, Mr. Reid was instrumental in developing several new methods
to finance oil and gas projects, significantly increasing the size and scope of
Salomon Brothers' oil and gas practice. From 1971 through 1972, Mr. Reid was
employed by the Liberty National Bank and Trust Company in Oklahoma City,
Oklahoma. In 1972 Mr. Reid became an officer of the bank.

    Mr. Reid received his undergraduate education at Oklahoma State University
and his graduate business education at the Wharton School of the University of
Pennsylvania.



    About Hiland Partners, LP
    Hiland Partners, LP is a publicly traded midstream energy partnership
engaged in gathering, compressing, dehydrating, treating, processing and
marketing natural gas, and fractionating, or separating, natural gas liquids, or
NGLs. The Partnership also provides air compression and water injection services
to an oil and gas exploration and production company for use in its oil and gas
secondary recovery operations. The Partnership's operations are primarily
located in the Mid-Continent and Rocky Mountain regions of the United States.
Hiland Partners, LP's midstream assets consist of seven natural gas gathering
systems with approximately 825 miles of gathering pipelines, four natural gas
processing plants, three natural gas treating facilities and two NGL
fractionation facilities. The Partnership's compression assets consist of two
air compression facilities and a water injection plant.

    This press release may include certain statements concerning expectations
for the future that are forward-looking statements. Such forward-looking
statements are subject to a variety of known and unknown risks, uncertainties,
and other factors that are difficult to predict and many of which are beyond
management's control. An extensive list of factors that can affect future
results are discussed in the Partnership's Annual Report on Form 10-K and other
documents filed from time to time with the Securities and Exchange Commission.
The Partnership undertakes no obligation to update or revise any forward-looking
statements to reflect new information or events.

    The information contained in this press release is available on the
Partnership's website at http://www.hilandpartners.com .

SOURCE  Hiland Partners, LP
    -0-                             05/11/2005
    /CONTACT:  Ken Maples, Vice President and CFO of Hiland Partners, LP,
+1-580-242-6040/
    /Web site:  http://www.hilandpartners.com /