SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K [X] Current report pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934. November 5, 2003 Date of Report (Date of earliest event reported) CIMAREX ENERGY CO. (Exact name of registrant as specified in its charter) Delaware 001-31446 45-0466694 (State or other jurisdiction of (Commission File Number) (I.R.S. Employer incorporation) Identification No.) 707 Seventeenth Street, Suite 3300 Denver, Colorado 80202 (Address of principal executive offices) Telephone Number (303) 295-3995) (Registrant's telephone number) Not applicable (Former name and address) ITEM 9. REGULATION FD DISCLOSURE On November 5, 2003, Cimarex Energy Co. (NYSE XEC) announced third quarter financial and operating results. A copy of the press release is attached hereto as Exhibit 99.1. ITEM 7. FINANCIAL STATEMENTS AND EXHIBITS C. Exhibits Exhibit No. Description ----------- ----------- 99.1 Press Release SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. CIMAREX ENERGY CO. By: /s/ Paul Korus ------------------------------- Vice President, Chief Financial Dated: November 5, 2003 Officer and Treasurer EXHIBIT INDEX Exhibit No. Description ----------- ----------- 99.1 Press Release