================================================================================ UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 --------------------- FORM 8-K Current Report Filed Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 7, 2000 ENERGY BIOSYSTEMS CORPORATION (Exact name of registrant as specified in its charter) Delaware 0-21130 04-3078857 (State or other jurisdiction of (Commission File Number) (I.R.S. Employer Identification No.) incorporation or organization) 4200 Research Forest Drive The Woodlands, Texas 77381 (Address of principal executive offices and zip code) (281) 364-6100 (Registrant's telephone number, including area code) ================================================================================ ITEM 5. OTHER EVENTS On February 7, 2000, Energy BioSystems Corporation (the "Company") issued a press release announcing that it has completed the demonstration of a new, proprietary gene shuffling technology. Gene shuffling is a method to create a new, proprietary genes coding for enzymes with improved properties. The Company has successfully applied the technology to its biodesulfurization development efforts and is now exploring opportunities for the technology in areas beyond biorefining including the chemical, pharmaceutical and agricultural biotechnology sectors. The press release is filed as an exhibit to this Current Report on Form 8-K and is incorporated by reference herein. ITEM 7. EXHIBITS Exhibit 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. ENERGY BIOSYSTEMS CORPORATION Date: February 7, 2000 By: /s/ Paul G. Brown, III ------------------------ Paul G. Brown, III Vice President, Finance and Administration and Chief Financial Officer