- -------------------------------------------------------------------------------- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (date of earliest event reported): October 28, 2003 MARTIN MIDSTREAM PARTNERS L.P. (Exact name of Registrant as specified in its charter) DELAWARE 000-50056 05-0527861 (State of incorporation (Commission file number) (I.R.S. employer or organization) identification number) 4200 STONE ROAD KILGORE, TEXAS 75662 (Address of principal executive offices) (Zip code) Registrant's telephone number, including area code: (903) 983-6200 - -------------------------------------------------------------------------------- ITEM 5. OTHER EVENTS On October 28, 2003, the Registrant announced the signing of a definitive agreement with Tesoro Marine Services LLC, a subsidiary of Tesoro Petroleum Corporation, for the purchase of certain assets associated with Tesoro's shore based marine activities for $25 million plus the value of Tesoro's lube oil inventories, estimated to be $1.5 million. The transaction is expected to close before December 31, 2003. ITEM 7. FINANCIAL STATEMENTS AND EXHIBITS (c) EXHIBITS Pursuant to the rules and regulations of the Securities and Exchange Commission, the attached exhibit and the information set forth therein are deemed to be furnished pursuant to Item 9 hereof and shall not be deemed to be "filed" under the Securities Exchange Act of 1934. EXHIBIT NUMBER DESCRIPTION 99.1 -- Martin Midstream Partners L.P. Press Release dated October 28, 2003 ITEM 9. REGULATION FD DISCLOSURE The Registrant hereby incorporates by reference into this Item 9 the information set forth in its press release, dated October 28, 2003, a copy of which is included as an exhibit to this Current Report. Pursuant to the rules and regulations of the Securities and Exchange Commission, such exhibit and the information set forth therein and herein are deemed to be furnished and shall not be deemed to be "filed" under the Securities Exchange Act of 1934. 2 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. MARTIN MIDSTREAM PARTNERS L.P. By: Martin Midstream GP LLC Its: General Partner Date: October 28, 2003 By: /s/ Robert D. Bondurant ------------------------------- Robert D. Bondurant Executive Vice President and Chief Financial Officer 3 INDEX TO EXHIBITS <Table> <Caption> EXHIBIT NUMBER DESCRIPTION - ------ ----------- 99.1 -- Martin Midstream Partners L.P. Press Release dated October 28, 2003 </Table> 4