exhibit 2. 1 acquisition of assets of shank c & e investments, llc by smf services, inc., a subsidiary of streicher mobile fueling, inc. _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ supplemental agreement _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ this supplemental agreement provides additional agreements of the parties to that certain asset purchase agreement dated january 25, 2005 ( “ apa ” ). unless provided otherwise, defined terms contained herein shall have the meaning ascribed to them in the apa. a. record title to equipment 1. buyer will wire funds at closing to the lessors and lienholders ( each a “ lienholder ” ) of certain of the purchased assets as disclosed in schedule a hereto, which funds will be deducted from the cash portion of the purchase price to be paid at closing pursuant to section 2. 4 ( b ) ( i ) of the apa. the payments will be made pursuant to instructions contained in payoff letters ( “ letters ” ) provided by each lienholder. 2. company and members covenant that, if the lienholders are paid according to the terms of the letters, the purchased assets will be free and clear of all liabilities, obligations, liens and claims. in the event certificates of title or other documentation of unencumbered record ownership ( “ unencumbered title ” ) with respect to any purchased asset is not delivered to buyer within thirty ( 30 ) days of closing, then buyer shall have the right to give company and members written notice of buyer ’ s demand on them to deliver ( a ) a replacement asset, with unencumbered title, that is reasonably satisfactory to buyer or ( b ) cash for the agreed upon replacement cost of the purchased asset. company and members will have ten ( 10 ) days from the date of such notice to comply, provided, however, that if company provides reasonable assurance to buyer that ( i ) all substantive steps necessary to obtain such title have been taken and ( ii ) unencumbered title will be delivered with the passage of time, then such ten ( 10 ) day compliance period shall be extended for a reasonable period of time. a “ replacement asset ” is defined as equipment with substantially similar condition,