EXHIBIT (a)(1)(C) NOTICE OF GUARANTEED DELIVERY for Tender of Shares of Common Stock (Including the Associated Preferred Stock Purchase Rights) of KLLM Transport Services, Inc. to Low Acquisition, Inc. Wholly-owned by Robert E. Low, (Not to be Used for Signature Guarantees) THE OFFER AND WITHDRAWAL RIGHTS WILL EXPIRE AT 12:00 MIDNIGHT, NEW YORK CITY TIME ON TUESDAY, MAY 9, 2000, UNLESS THE OFFER IS EXTENDED This Notice of Guaranteed Delivery, or a form substantially equivalent hereto, must be used to accept the Offer (as defined below) if certificates representing shares of common stock, par value $1.00 per share (the "Common Stock") of KLLM Transport Services, Inc., a Delaware corporation (the "Company"), including the associated rights to purchase preferred stock (the "Rights"), issued pursuant to the Stockholder Protection Rights Agreement dated as of February 13, 1997 (the "Rights Agreement") between the Company and KeyCorp Shareholder Services, Inc. (the Common Stock and the Rights together are referred to herein as the "Shares") are not immediately available, if the procedure for book-entry transfer cannot be completed prior to the Expiration Date (as defined in Section 1 of the Offer to Purchase), or if time will not permit all required documents to reach the Depositary prior to the Expiration Date. This Notice may be delivered by hand, transmitted by facsimile transmission or mailed to the Depositary. See Section 3 of the Offer to Purchase. The Depositary for the Offer is: Wilmington Trust Company By Mail: By Hand/Overnight Courier: Corporate Trust Operations Wilmington Trust Company Wilmington Trust Company 1105 North Market Street, First Rodney Square North Floor 1100 North Market Street Wilmington, DE 19801 Wilmington, DE 19890-0001 Attn: Corporate Trust Operations By Facsimile Transmission: (302) 651-1079 (For Eligible Institutions Only) Confirm Facsimile by Telephone: (302) 651-8869 DELIVERY OF THIS NOTICE OF GUARANTEED DELIVERY TO AN ADDRESS OTHER THAN AS SET FORTH ABOVE OR TRANSMISSION OF INSTRUCTIONS VIA FACSIMILE TRANSMISSION OTHER THAN AS SET FORTH ABOVE WILL NOT CONSTITUTE A VALID DELIVERY. This Notice 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. 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. (a)(1)(C)-1 Ladies and Gentlemen: The undersigned hereby tenders to Low Acquisition, Inc., a Delaware corporation ("Purchaser"), upon the terms and subject to the conditions set forth in Purchaser's Offer to Purchase dated April 12, 2000 and the related Letter of Transmittal (which, together with any amendments or supplements thereto, constitute the "Offer"), receipt of which is hereby acknowledged, the number of shares set forth below of Common Stock, par value $1.00 per share (the "Shares"), of KLLM Transport Services, Inc., a Delaware corporation, pursuant to the guaranteed delivery procedures set forth in Section 3 of the Offer to Purchase. Number of Shares: _________________________________________________________ Certificate Nos. (if available): __________________________________________ ___________________________________________________________________________ Check box if Shares will be tendered by book-entry transfer: [_] Account Number: ___________________________________________________________ Dated: ______________________, 2000 Name(s) of Record Holder(s) (please print): ___________________________________________________________________________ ___________________________________________________________________________ Address(es): ______________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ Zip Code Area Code and Tel. No.: ___________________________________________________________________________ ___________________________________________________________________________ Signature(s): _____________________________________________________________ ___________________________________________________________________________ (a)(1)(C)-2 THE GUARANTEE SET FORTH BELOW MUST BE COMPLETED GUARANTEE (Not to Be Used for Signature Guarantees) The undersigned, an Eligible Institution (as defined in Section 3 of the Offer to Purchase), hereby guarantees to deliver to the Depositary either certificates representing the Shares tendered hereby, in proper form for transfer, or a Book-Entry Confirmation (as defined in the Offer to Purchase), in each case with delivery of a properly completed and duly executed Letter of Transmittal (or facsimile thereof), with any required signature guarantees, or an Agent's Message (as defined in the Offer to Purchase), and any other documents required by the Letter of Transmittal, within three Nasdaq Stock Market trading days after the date hereof. Name of Firm: _______________________ _____________________________________ Address: ____________________________ Authorized Signature _____________________________________ _____________________________________ Zip Code Please Print Area Code and Tel. No.: ____________ _____________________________________ Dated: ________________________, 2000 NOTE: DO NOT SEND CERTIFICATES FOR SHARES WITH THIS NOTICE. CERTIFICATES SHOULD BE SENT ONLY WITH YOUR LETTER OF TRANSMITTAL. (a)(1)(C)-3