October 22, 2008

Cimarex to Announce Third-Quarter 2008 Results on November 4th

DENVER, Oct. 22 /PRNewswire-FirstCall/ -- Cimarex Energy Co. today announced that it plans to report third-quarter 2008 financial results before the market opens on Tuesday, November 4, 2008. Cimarex will also host a conference call that day at 11:00 a.m. Mountain Time (1:00 p.m. Eastern Time).

To access the live, interactive call, please dial (888) 603-6873 and reference call ID # 69548653 ten minutes before the scheduled start time. A digital replay will be available for one week following the live broadcast at (800) 642-1687 and by using the conference ID # 69548653. The listen-only web cast of the call will be accessible via http://www.cimarex.com/.

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, Permian Basin and Gulf Coast areas of the U.S.

Cimarex Energy Co.

CONTACT: Mark Burford, Director of Capital Markets of Cimarex EnergyCo., +1-303-295-3995

Web site: http://www.cimarex.com/