PENN OCTANE CORPORATION/EXXON COMPANY, U.S.A. SALE AGREEMENT PENN NO. ___/EXXON NO. PEB221 This Agreement is entered into effective November 1, 1997, by and between Exxon Company, U.S.A., a division of Exxon Corporation ("Exxon"), and Penn Octane Corporation ("Penn"). Penn and Exxon agree to a product sale as outline below: 1. TERM OF AGREEMENT This Agreement shall begin with the first shipment to Penn in November 1997 (about November 10, 1997) and shall continue through September 30, 1998. 2. PRODUCT VOLUMES/PRICES Exxon agrees to deliver to Penn the approximate product volumes show on Exhibit A during the term of this Agreement at the location and pricing basis outlined in Exhibit A. 3. PRODUCT SPECIFICATIONS Exxon shall deliver to Penn products that meets applicable federal, state and local requirements, as shown on Exhibit B, which is made a part hereof. 4. GENERAL PROVISIONS Exxon's General Provisions dated December 1996 and attached as Exhibit C are incorporated herein by reference and made a part hereof. 5. EXPORTS/IMPORTS This is a domestic transaction. 6. ACCOUNTING Forward all shipping documents, statements, and invoices to: EXXON COMPANY U.S.A. P.O. Box 2180 Room 3614-G, E Houston, Texas 77252 FAX NO. (713) 656-2052 7. INVOICE PAYMENT METHOD/TERMS In accordance with Exhibit C, General Provisions, except that invoices shall be issued weekly and shall be paid by wire transfer with payment due twelve (12) working days from receipt of invoice and acceptable supporting documentation. If the invoice and acceptable supporting documentation are received at the billing address on or before 12:00 noon on a working day, working day 1 begins on that day. If the invoice and acceptable supporting documentation are received at the billing address after 10:00 noon (or on a non-working day), working day 1 begins on the first working day following receipt. If the transaction if effected via book transfer, quantity to be exact barrels. Payment due date shall be the effective book transfer date, provided the invoice and book transfer confirmation have been received by 12:00 noon on the day preceding the effective book transfer date; otherwise, the payment due date shall be the next business day following receipt of invoices and book transfer confirmation. 8. CREDIT PROVISIONS Penn agrees to provide a letter of credit acceptable to Exxon. Credit balances shall be monitored by Exxon, and amendments to the letter of credit may be required when it appears that those balances may exceed current security levels. Timely receipt by Exxon of acceptable security and amendments is a condition precedent to Exxon's performance under this Agreement. Any letter of credit provided to Exxon must be issued in a format, for and amount, by a bank and for a time duration acceptable to Exxon. 9. EXHIBITS The following Exhibits are attached and are a part of this Agreement. All references herein to the Agreement shall include the applicable Exhibits. Exhibit A - Product Volumes/Locations/Differentials Exhibit B - Product Specifications Exhibit C - General Provisions EXXON COMPANY, U.S.A. PENN OCTANE CORPORATION a division of Exxon Corporation BY /s/ M.W. Schwehr BY /s/ Jerome B. Richter ------------------ ----------------- M.W. Schwehr TITLE: Chairman Manager, Products and Gas Liquids -------- DATE November 12, 1997 DATE November 12, 1997 ------------------- --------------------- Exhibit A Product Volumes/Locations/Differentials Penn No. _______/Exxon No. PEB221 Sale Agreement EXXON DELIVERS Quantity Product Method Approximate Exxon Receives Location Description of Delivery Measurement k Bbls/Daily Price Katy Gas Plant Propane/Butane To Pipeline By meter ticket at origin 6,500 (1) ============== ============== =========== ========================= ============ =============== <FN> (1) Price - Mt. Belvieu OPIS NON TET price average for the first business day for interim pricing less 1.5 cents per gallon for each product. Invoices will be issued weekly. At the end of the month, pricing will be adjusted to the Mt. Belvieu OPIS NON TET day weighted average for the delivery month for each product less 1.5 cents per gallon. Exhibit B Product Specification Penn No. _____/Exxon No. PEB221 Product ------- Propane Butane Mix = 90% Propane and 10% Butane EXHIBIT C EXXON COMPANY, U.S.A. (A DIVISION OF EXXON CORPORATION) PETROLEUM PRODUCTS & NATURAL GAS LIQUIDS December 1996 Index to General Provisions Page Number ----------- 1. Special Provisions Shall Govern 1 2. Deliveries 1 3. Volumes 1 4. Measurements 1 5. D___ Integrity 1 6. Inspection 2 7. Title 2 8. Importer/Exporter of Record 2 9. Drawback 2 10. Warranty 2 11. Additional Equipment 3 12. Safety Regulations 3 13. Safety and Health Information 3 14. Statements and Invoices (Exchanges) 3 Payment (Purchases and Sales) 3 15. Taxes 4 16. Financial Responsibility 4 17. Exchange Basis 4 Balances Products 5 Balances Natural Gas Liquids 5 Exchange Imbalances 5 18. Set-Off 5 19. Continuing Obligation 5 20. Applicable Laws 5 21. Compliance with Laws and Regulations 5 22. Product Compliance and Documentation 5 23. Indemnity 6 24. Claims 6 25. Waiver 6 26. Force Majeure and Contingencies 6 27. Business Practices 7 28. Conflict of Interest 7 29. Audit 7 30. Assignment 7 31. Odorization 7 32. Quality 8 33. Storage 8 34. Demurrage on Tank Cars 8