Exhibit 99.2 CERTIFICATE OF ELIMINATION OF CERTIFICATE OF DESIGNATIONS OF SERIES B PREFERRED STOCK OF BRIGHAM EXPLORATION COMPANY Brigham Exploration Company (the "Company"), a corporation organized and existing under the General Corporation Law of the State of Delaware (the "DGCL") does hereby certify that: 1. The Certificate of Incorporation of the Company was filed in the office of the Secretary of State of Delaware on February 25, 1997 and a Certificate of Designations of Series B Preferred Stock (the "Certificate of Designations") was filed in the office of the Secretary of State on December 20, 2002. 2. By unanimous written consent, the Board of Directors of the Company adopted the resolutions attached as Exhibit A authorizing the elimination of the --------- Certificate of Designations from the Company's Certificate of Incorporation in accordance with the provisions of Section 151 of the DGCL. IN WITNESS WHEREOF, the Company has caused this Certificate of Cancellation of Certificate of Designations of Series B Preferred Stock to be signed by its duly authorized officer on June 4, 2004. BRIGHAM EXPLORATION COMPANY By: /s/ Ben M. Brigham ------------------------------ Ben M. Brigham, Chief Executive Officer and President EXHIBIT A --------- RELATING TO SERIES B PREFERRED STOCK WHEREAS, there are no shares of Series B Preferred Stock issued and no shares of Series B Preferred Stock will be issued in the future; NOW, THEREFORE, BE IT RESOLVED, that the Board of Directors deems it in the best interest of the Company to eliminate the Certificate of Designations of Series B Preferred Stock from the Company's Certificate of Incorporation pursuant to Section 151(g) of the General Corporation Law of the State of Delaware; RESOLVED FURTHER, that the President, any Vice President and the Corporate Secretary of the Company, and each of them, are hereby authorized to execute a Certificate of Cancellation of the Certificate of Designations of Series B Preferred Stock and to file the Certificate of Cancellation with the Secretary of State of Delaware. RELATING TO FURTHER AUTHORIZATION RESOLVED FURTHER, that the proper officers of the Company are hereby authorized to execute, deliver and file any other instruments and documents and to take any other actions as they may deem necessary or advisable to accomplish the purpose of the foregoing resolutions. RESOLVED FURTHER, that all actions heretofore taken by the officers of the Company with respect to the matters covered by the foregoing resolutions are hereby ratified, confirmed and approved in all respects.