This Bridge Note is secured by (i) a Pledge and Security Agreement of even date herewith made by the Company and Holder creating a security interest in favor of Holder in certain of the assets described in the Security Agreement (ii) a mortgage of even date herewith in favor of Holder granting a security interest in the St. Mark’s Refinery; and (iii) a mortgage of even date herewith in favor of Holder granting a security interest in the barge, the Claudia G, Official Number 515485 (collectively the “Collateral”). This Bridge Note is a duly authorized issuance of $1,900,000.00 aggregate principal amount of Bridge Note of the Company issued pursuant to that certain Securities Purchase Agreement dated as of the date hereof between the Company and the Purchaser named herein, (the “Agreement”). The Agreement contains certain additional agreements among the parties with respect to the terms of this Bridge Note, including, without limitation, provisions which (A) specify voluntary and mandatory repayment, prepayment and redemption rights and obligations and (B) specify Events of Default following which the remaining balance due and owing hereunder may be accelerated. All such provisions are an integral part of this Bridge Note and are incorporated herein by reference. This Bridge Note is transferable and assignable to one or more Persons, in accordance with the limitations set forth in the Agreement. The Company shall keep a register (the “Register”) in which shall be entered the names and addresses of the registered holder of this Bridge Note and particulars of this Bridge Note held by such holder and of all transfers of this Bridge Note. References to the Holder or “Holders” shall mean the Person listed in the Register as registered holder of such Bridge Note. The ownership of this Bridge Note shall be proven by the Register. 1. Certain Terms Defined. All terms defined in the Agreement and not otherwise defined herein shall have for purposes hereof the meanings provided for in the Agreement. 2. Covenants. Unless the Majority Holders otherwise consent in writing, the Company covenants and agrees to observe and perform each of its covenants, obligations and undertakings contained in the Agreement, which obligations and undertakings are expressly assumed herein by the Company and made for the benefit of the holder hereof. 3. Payment of Principal. The Company shall repay the remaining unpaid balance of this Bridge Note, plus accrued interest, if any, on March 18, 2003 (the “Maturity Date”). The Company may, and shall be obligated to, prepay all or a portion of this Bridge Note on the terms specified in the Agreement. 4. Ranking.This Bridge Note shall be junior in right of payment (but not with respect to the rights in the Collateral) to the Company’s 5% Secured Convertible Debentures due February 18, 2004. This Bridge Note shall rank senior in respect to any other indebtedness of the Company outstanding as of the date hereof or incurred hereafter other than indebtedness to Holder or its affiliates, which will rank pari passu with this Bridge Note. 2 |