Exhibit 3.1(b) -------------- CERTIFICATE OF AMENDMENT TO CERTIFICATE OF INCORPORATION OF MILLER EXPLORATION COMPANY Pursuant to Section 242 of the General Corporation Law of the State of Delaware Miller Exploration Company, a corporation organized and existing under and by virtue of the General Corporation Law of the State of Delaware (the "Corporation"), hereby certifies: FIRST, that the board of directors of the Corporation duly adopted resolutions proposing and declaring advisable the following amendment to the Certificate of Incorporation of the Corporation in accordance with the provisions of Section 242 of the General Corporation Law of the State of Delaware and directing that such amendment be submitted to the stockholders of the Corporation for their approval: "RESOLVED, that the Board of Directors of the Corporation deems and declares advisable and approves an amendment to the Certificate of Incorporation of the Corporation to amend the first paragraph of Article IV to read in its entirety as follows: The total authorized capital stock of the corporation is 40 million (40,000,000) shares of common stock, $.01 per value per share, and 2 million (2,000,000) shares of preferred stock, $.01 par value per share. SECOND, that the previously stated amendment to the Certificate of Incorporation of the Corporation was duly adopted by the stockholders of the Corporation in accordance with the provisions of Section 242 and of the General Corporation Law of the State of Delaware. 1 IN WITNESS WHEREOF, the undersigned has executed this Certificate this 25th day of June, 1999. MILLER EXPLORATION COMPANY By: /s/ Wm. J. Bumgartner ------------------------------ Name: Wm. J. Bumgartner ------------------------------ Title: VP Finance ---------------------------- 2