NOTICE OF GUARANTEED DELIVERY for Tender of All Outstanding 12.50% Senior Secured Notes due 2009 in Exchange for New 12.50% Senior Secured Notes due 2009 of Port Arthur Finance Corp. Registered holders of outstanding 12.50% Senior Secured Notes due 2009 (the "Outstanding Notes") who wish to tender their Outstanding Notes in exchange for a like principal amount of new 12.50% Senior Secured Notes due 2009 (the "Exchange Notes") and whose Outstanding Notes are not immediately available or who cannot deliver their Outstanding Notes and Letter of Transmittal (and any other documents required by the Letter of Transmittal) to HSBC Bank USA (the "Exchange Agent") prior to the Expiration Date, may use this Notice of Guaranteed Delivery or one substantially equivalent hereto. This Notice of Guaranteed Delivery may be delivered by hand or sent by facsimile transmission (receipt confirmed by telephone and an original delivered by guaranteed overnight courier) or mail to the Exchange Agent. See "The Exchange Offer--Procedures for Tendering" in the Prospectus. THE EXCHANGE AGENT FOR THE EXCHANGE OFFER IS: HSBC Bank USA For Delivery by Registered or Certified Mail; Hand or Overnight Delivery: HSBC Bank USA Lower Level One Hanson Place Brooklyn, New York 11243 Attn: Issuer Services By Facsimile: (718) 488-4488 Attn: Paulette Shaw For Information or Confirmation by Telephone: (718) 488-4475 Delivery of this Notice of Guaranteed Delivery to an address other than as set forth above or transmission via a facsimile transmission to a number other than as set forth above will not constitute a valid delivery. This Notice of Guaranteed Delivery is not to be used to guarantee signatures. If a signature on a Letter of Transmittal is required to be guaranteed by an Eligible Guarantor Institution (as defined in the Prospectus), such signature guarantee must appear in the applicable space provided on the Letter of Transmittal for Guarantee of Signatures. Ladies and Gentlemen: The undersigned hereby tenders the principal amount of Outstanding Notes indicated below, upon the terms and subject to the conditions contained in the Prospectus dated , 2002 of Port Arthur Finance Corp. (the "Prospectus"), receipt of which is hereby acknowledged. DESCRIPTION OF OUTSTANDING NOTES TENDERED Name and address of Certificate Number(s) registered holder as of Outstanding Notes it appears on the Tendered (or Principal Amount Outstanding Notes Account Number at of Outstanding Name of Tendering Holder (Please Print) Book-Entry Facility) Notes Tendered - ------------------------ -------------------- --------------------- ---------------- SIGN HERE Name of Registered or Acting Holder: ______________________________________ Signature(s): _____________________________________________________________ Name(s) (please print): ___________________________________________________ Address: __________________________________________________________________ Telephone Number: _________________________________________________________ Date: _____________________________________________________________________ If Outstanding Notes will be tendered by book-entry transfer, provide the following information: DTC Account Number: ___________________________________________________ Date: _________________________________________________________________ 2 THE FOLLOWING GUARANTEE MUST BE COMPLETED GUARANTEE OF DELIVERY (Not to be used for signature guarantee) The undersigned, a member of a recognized signature guarantee medallion program within the meaning of Rule 17Ad-15 under the Securities Exchange Act of 1934, as amended, hereby guarantees to deliver to the Exchange Agent at one of its addresses set forth on the reverse hereof, the certificates representing the Outstanding Notes (or a confirmation of book-entry transfer of such Outstanding Notes into the Exchange Agent's account at the book-entry transfer facility), together with a properly completed and duly executed Letter of Transmittal (or facsimile thereof), with any required signature guarantees, and any other documents required by the Letter of Transmittal within three New York Stock Exchange trading days after the Expiration Date (as defined in the Letter of Transmittal). Name of Firm: ____________________ __________________________________ (Authorized Signature) Address: _________________________ Title: ___________________________ __________________________________ Name: ____________________________ (Zip Code) (Please type or print) Area Code and Telephone No.: __________________________________ Date: ____________________________ NOTE: DO NOT SEND OUTSTANDING NOTES WITH THIS NOTICE OF GUARANTEED DELIVERY. OUTSTANDING NOTES SHOULD BE SENT WITH YOUR LETTER OF TRANSMITTAL. 3