Exhibit 99.1

                 CIMAREX ENERGY DECLARES QUARTERLY CASH DIVIDEND

    DENVER, March 1 /PRNewswire-FirstCall/ -- Cimarex Energy Co. (NYSE: XEC)
announced today that its Board of Directors has declared a regular cash dividend
on its common stock of 4 cents-per-share. The dividend is payable on June 1,
2006 to stockholders of record on May 15, 2006.

    About Cimarex Energy

    Denver-based Cimarex Energy Co. is an independent oil and gas exploration
and production company with principal operations in the Mid-Continent, Gulf
Coast, Permian Basin of West Texas and New Mexico and Gulf of Mexico areas of
the U.S.

    This communication contains statements that constitute forward-looking
statements within the meaning of the Private Securities Litigation Reform Act of
1995. These statements are based on current expectations and beliefs and are
subject to a number of risks, uncertainties and assumptions that could cause
actual results to differ materially from those described in the forward-looking
statements. A number of factors could cause actual results to differ materially
from the projections, anticipated results or other expectations expressed in
this release and other risks that are described in SEC reports filed by Cimarex.
While Cimarex makes these forward-looking statements in good faith, neither
Cimarex nor its management can guarantee that the anticipated future results
will be achieved. Cimarex assumes no obligation and expressly disclaims any duty
to update the information contained herein except as required by law.

SOURCE  Cimarex Energy Co.
    -0-                             03/01/2006
    /CONTACT:  Mark Burford, Director of Capital Markets of Cimarex Energy
Co., +1-303-295-3995/
    /Web site:  http://www.cimarex.com /