1 NOTICE OF GUARANTEED DELIVERY FOR TENDER OF COMMON SHARES OF UNIVAR CORPORATION As set forth in Section 2 of the Offer to Purchase (as defined below), this form or one substantially equivalent hereto must be used to accept the Offer (as defined below) if certificates for common shares (the "Shares"), of Univar Corporation, a Washington corporation ("Company") are not immediately available, or if the procedure for book-entry transfer cannot be completed on a timely basis or time will not permit all required documents to reach the Depositary prior to the Expiration Date (as defined in the Offer to Purchase). This form may be delivered by hand to the Depositary or transmitted by facsimile transmission or mail to the Depositary and must include a guarantee by an Eligible Institution (as defined in the Offer to Purchase). See Section 2 of the Offer to Purchase. TO: CHEMICAL MELLON SHAREHOLDER SERVICES, LLC, DEPOSITARY Deliver by Mail: By Overnight Delivery: Chemical Mellon Shareholder Services, LLC Chemical Mellon Shareholder Services, LLC P.O. Box 817 Midtown Station Attn.: Reorg. Dept., First Floor New York, NY 10018 85 Challenger Road Ridgefield Park, NJ 07660 By Facsimile Transmission For Guaranteed Delivery Only: (201) 296-4293 Delivery by Hand: New York Drop: First Interstate Bank of Washington 120 Broadway, 13th Floor 999 Third Avenue New York, NY 10271 Stock Transfer, 14th Floor Seattle, Washington 98104 DELIVERY OF THIS INSTRUMENT TO AN ADDRESS, OR TRANSMISSION OF INSTRUCTIONS VIA A FACSIMILE NUMBER, OTHER THAN AS SET FORTH ABOVE DOES NOT CONSTITUTE A VALID DELIVERY. Information Agent: D.F. King & Co., Inc. 77 Water Street New York, New York 10005-4495 Call Toll Free: 1 (800) 735-3591 This form is not to be used to guarantee signatures. If a signature on a Letter of Transmittal is required to be guaranteed by an Eligible Institution under the instructions thereto, such signature guarantee must appear in the applicable space provided in the signature box on the Letter of Transmittal. 2 Ladies and Gentlemen: The undersigned hereby tenders to UC Acquisition Corp., a Washington corporation ("Buyer"), which is an indirect subsidiary of Royal Pakhoed N.V., (a translation of Koninklijke Pakhoed N.V.) a publicly held limited liability company formed and existing under the laws of The Netherlands, upon the terms and subject to the conditions set forth in Buyer's Offer to Purchase dated June 7, 1996 (the "Offer to Purchase"), and the related Letter of Transmittal, receipt of which is hereby acknowledged, the number of Shares (as such terms are defined in the Offer to Purchase) set forth below, all pursuant to the guaranteed delivery procedures set forth in Section 2 of the Offer to Purchase. Number of Shares Name(s) of Record Holder(s): Certificate Nos. (if available): PLEASE PRINT (Check one box if Shares will be Address(es): tendered by book-entry transfer) / / The Depository Trust Company ZIP CODE / / Philadelphia Depository Trust Company Area Code and Account Number Tel. No.: Dated: 3 GUARANTEE (NOT TO BE USED FOR SIGNATURE GUARANTEE) The undersigned, a participant in the Security Transfer Agent's Medallion Program, the New York Stock Exchange Medallion Signature Guarantee Program or the Stock Exchange Medallion Program, hereby guarantees to deliver to the Depositary either the certificates representing the Shares tendered hereby, in proper form for transfer, or a Book-Entry Confirmation with respect to such Shares, in any such case together with a properly completed and duly executed Letter of Transmittal (or facsimile thereof), with any required signature guarantees, or an Agent's Message, and any other required documents within three (3) trading days after the date hereof. The Eligible Institution that completes this form must communicate the guarantee to the Depositary and must deliver the Letter of Transmittal and certificates for Shares to the Depositary within the time period shown herein. Failure to do so could result in a financial loss to such Eligible Institution. All terms used herein have the meanings set forth in the Offer to Purchase. Name of Firm: -------------------------------------------- AUTHORIZED SIGNATURE Address: Name: PLEASE PRINT Title: - ----------------------------------------------- ZIP CODE Area Code and Tel No.: Dated: NOTE: DO NOT SEND CERTIFICATES FOR SHARES WITH THIS NOTICE; CERTIFICATES FOR SHARES SHOULD BE SENT WITH YOUR LETTER OF TRANSMITTAL.