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Business Segments

Terminalling and Storage

We own or operate 17 marine terminal facilities and six inland terminal facilities located in the United States Gulf Coast region that provide storage and handling services for producers and suppliers of petroleum products and by-products, lubricants and other liquids. We also provide land rental to oil and gas companies along with storage and handling services for lubricants and fuel oil. Terminalling and storage services are provided on a fee basis primarily under long-term contracts.

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Natural Gas Services

Through our acquisition of Prism Gas Systems I, L.P. ("Prism Gas") and Woodlawn Pipeline Co., Inc. ("Woodlawn"), we have ownership interests in over 658 miles of gathering and transmission pipelines located in the natural gas producing regions of Central and East Texas, Northwest Louisiana, the Texas Gulf Coast and offshore Texas and federal waters in the Gulf of Mexico as well as a 250 MMcfd capacity natural gas processing plant located in East Texas, which is currently being expanded to 265 MMcfd.

In addition to the natural gas gathering and processing business, we distribute natural gas liquids or "NGLs". NGLs are primarily purchased from natural gas processors and stored in our supply and storage facilities for resale to propane retailers, refineries and industrial NGL users in Texas and the Southeastern United States.

We also own an NGL pipeline, which spans approximately 200 miles from Kilgore to Beaumont, Texas, as well as three NGL supply and storage facilities with an aggregate above ground storage capacity of approximately 3,000 barrels. We lease approximately 2.2 million barrels of underground storage capacity for NGLs.

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Marine Transportation

We own a fleet of 37 inland marine tank barges, 18 inland push boats and four offshore tug barge units that transport petroleum products and by-products primarily in the United States Gulf Coast region. We provide these transportation services on a fee basis, primarily under annual contracts. In addition, the marine segment manages the sulfur segment's marine assets.

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Sulfur Services

MMLP processes and distributes sulfur predominately produced by oil refineries located in the United States Gulf Coast region. We process molten sulfur into prilled or pelletized sulfur under both fee-based volume contracts and buy/sell contracts at MMLP facilities in Port of Stockton, California and Beaumont, Texas. MMLP also owns or operates six sulfur-based fertilizer products for wholesale distribution and industrial users. These plants are located in Illinois, Texas and Utah. In October 2007, MMLP completed the construction of a sulfuric acid production plant in Plainview, Texas, which processes molten sulfur into sulfuric acid.

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