================================================================================ SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) March 8, 2004 PRIMA ENERGY CORPORATION (Exact name of Registrant as specified in its charter) Delaware 0-9408 84-1097578 (State or other jurisdiction of (Commission (I.R.S. Employer incorporation or organization) file number) Identification No.) 1099 18th Street, Suite 400, Denver CO 80202 (Address of principal executive offices) (Zip Code) (303) 297-2100 (Registrant's telephone number, including area code) No Change (Former name or former address, if changed from last report.) ================================================================================ PRIMA ENERGY CORPORATION FORM 8-K MARCH 8, 2004 Item 7c. Exhibits The following exhibit is filed herewith pursuant to the provisions of Item 601 of Regulation S-K. Exhibit Table No. Document Exhibit No. --------- -------- ----------- 99 Prima Energy Corporation Press 99.1 Release dated March 8, 2004 Item 9. Regulation FD Disclosure (including Item 12 information) On March 8, 2004, Prima Energy Corporation, a Delaware corporation, issued a press release reporting year-end 2003 oil and gas reserves and a summary of year 2003 capital expenditures and production. The release also included estimates for year 2004 capital expenditures and production and an update of the Company's derivatives activities. A copy of the press release is attached hereto as Exhibit 99.1 The information in this report is being furnished, not filed, for purposes of Section 18 of the Securities Exchange Act of 1934, as amended. Pursuant to Item 12 of Form 8-K, the information in this report will not be incorporated by reference into any filing under the Securities Act of 1933, as amended, unless specifically identified therein as being incorporated therein by reference. 2 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 thereunto duly authorized. PRIMA ENERGY CORPORATION (Registrant) Date March 8, 2004 /s/ Neil L. Stenbuck ------------------------- ---------------------------- Neil L. Stenbuck, Executive Vice President and Chief Financial Officer 3