Exhibit 4 NON-QUALIFIED STOCK OPTION AGREEMENT THIS NON-QUALIFIED STOCK OPTION AGREEMENT (this "Agreement") is between Mark Neuhaus (the "Grantee") and the other party named on the signature page to this Agreement (the "Company"). Each of the Grantee...Non-Qualified Stock Option Agreement • September 6th, 2001 • Sulphco Inc • Services-motion picture & video tape production • New York
