7,000,000 Shares KFx INC. Common Stock, Par Value $.001 Per Share UNDERWRITING AGREEMENTKFX Inc • February 3rd, 2006 • Industrial organic chemicals • New York
agreement, and there shall be no further transfer of such Shares, except in accordance with this letter agreement. The undersigned hereby acknowledges and agrees that written notice of any extension of the Lock-up Period pursuant to the preceding sentence will be delivered by Jefferies & Company, Inc. to the Company and that any such notice properly delivered will be deemed to have been given to, and received by, the undersigned.
