EXHIBIT 99.5 HUNTSMAN ICI CHEMICALS LLC Offer for all Outstanding 10 1/8% Senior Subordinated Notes due 2009 in Exchange for 10 1/8% Senior Subordinated Notes due 2009 That Have Been Registered Under the Securities Act of 1933, As Amended To: Brokers, Dealers, Commercial Banks, Trust Companies and Other Nominees: Huntsman ICI Chemicals LLC (the "Issuer") is offering, upon and subject to the terms and conditions set forth in the prospectus dated , 1999 (the "Prospectus"), and the enclosed letters of transmittal (the "Letters of Transmittal"), to exchange (the "Exchange Offer") their 10 1/8% Senior Subordinated Notes due 2009 that have been registered under the Securities Act of 1933, as amended, for their outstanding 10 1/8% Senior Subordinated Notes due 2009 (the "Old Notes"). The Exchange Offer is being made in order to satisfy certain obligations of the Issuer contained in the exchange and registration rights agreement in respect of the Old Notes, dated June 30, 1999, by and among the Issuer and the initial purchasers referred to therein. We are requesting that you contact your clients for whom you hold Old Notes regarding the Exchange Offer. For your information and for forwarding to your clients for whom you hold Old Notes registered in your name or in the name of your nominee, or who hold Old Notes registered in their own names, we are enclosing the following documents: 1. Prospectus dated , 1999; 2. A Letter of Transmittal relating to the Old Notes denominated in dollars for your use and for the information of your clients; 3. A Letter of Transmittal relating to the Old Notes denominated in euros for your use and for the information of your clients; 4. A Notice of Guaranteed Delivery relating to the Old Notes denominated in dollars and a Notice of Guaranteed Delivery relating to the Old Notes denominated in euros, each of which is to be used to accept the Exchange Offer if certificates for Old Notes are not immediately available or time will not permit all required documents to reach the Exchange Agent prior to the relevant Expiration Date (as defined below) or if the procedure for book-entry transfer cannot be completed on a timely basis; 5. A form of letter which may be sent to your clients for whose account you hold Old Notes registered in your name or the name of your nominee, with space provided for obtaining such clients' instructions with regard to the Exchange Offer; and 6. Guidelines for Certification of Taxpayer Identification Number on Substitute Form W-9. Your prompt action is requested. The Exchange Offer will expire at p.m., New York City time, on , 1999 with respect to the Old Notes denominated in dollars and at p.m., London time, on , 1999 with respect to the Old Notes denominated in euros, unless, in each case, extended by the Issuer (each, an "Expiration Date"). Old Notes tendered pursuant to the Exchange Offer may be withdrawn at any time before the relevant Expiration Date. To participate in the Exchange Offer, a duly executed and properly completed Letter of Transmittal relating to the proper denomination of Old Notes (or facsimile thereof or Agent's Message in lieu thereof), with any required signature guarantees and any other required documents, should be sent to the Exchange Agent and certificates representing the Old Notes, or a timely confirmation of a book-entry transfer of such Old Notes, should be delivered to the Exchange Agent, all in accordance with the instructions set forth in the Letters of Transmittal and the Prospectus. If a registered holder of Old Notes desires to tender, but such Old Notes are not immediately available, or time will not permit such holder's Old Notes or other required documents to reach the Exchange Agent before the relevant Expiration Date, or the procedure for book-entry transfer cannot be completed on a timely basis, a tender may be effected by following the guaranteed delivery procedures described in the Prospectus under "The Exchange Offer--Guaranteed Delivery Procedures." The Issuer will, upon request, reimburse brokers, dealers, commercial banks and trust companies for reasonable and necessary costs and expenses incurred by them in forwarding the Prospectus and the related documents to the beneficial owners of Old Notes held by them as nominee or in a fiduciary capacity. The Issuer will not make any payments to brokers, dealers, or others soliciting acceptances of the Exchange Offer. The Holders will not be obligated to pay or cause to be paid all stock transfer taxes applicable to the exchange of Old Notes pursuant to the Exchange Offer. 2 Any inquiries you may have with respect to the Exchange Offer, or requests for additional copies of the enclosed materials, should be directed to , the Exchange Agent for the Exchange Offer, at its address and telephone number set forth on the front of the Letter of Transmittal. Very truly yours, Huntsman ICI Chemicals LLC NOTHING HEREIN OR IN THE ENCLOSED DOCUMENTS SHALL CONSTITUTE YOU OR ANY PERSON AS AN AGENT OF THE ISSUER OR THE EXCHANGE AGENT, OR AUTHORIZE YOU OR ANY OTHER PERSON TO USE ANY DOCUMENT OR MAKE ANY STATEMENTS ON BEHALF OF EITHER OF THEM WITH RESPECT TO THE EXCHANGE OFFER, EXCEPT FOR STATEMENTS EXPRESSLY MADE IN THE PROSPECTUS OR THE LETTER OF TRANSMITTAL. Enclosures 3