AMENDMENT No. 4 TO PROMISSORY NOTEPromissory Note • November 10th, 2011 • CleanTech Biofuels, Inc. • Industrial organic chemicals
This Amendment No. 4 to the Promissory Note, originally dated September 1, 2010 (the “Note”), previously amended February 11, 2011, May 31, 2011 and July 29, 2011 (the “Amendments”), is entered into as of the 7th day of November, 2011, by and between CMS Acquisition, LLC (“CMS”) and CleanTech Biofuels, Inc. (“CTB”).
