Beaumont LHG Project Review

April 2, 2013

NASDAQ: MMLPwww.martinmidstream.comConfidential

MARTIN RESOURCE MANAGEMENT CORPORATION

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Martin Resource Management Corporation

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GENERAL PARTNER OVERVIEW

• Based in Kilgore, TX, Martin Resource Management Company (“MRMC”) is a leading independent provider of integrated logistics solutions, storage, manufacturing, marketing and distribution services to energy, petrochemical and other industrial concerns

• Approximately 2,600 employees• In addition to owning the general partner of MMLP, MRMC operating entities represent

revenue in excess of $2.0B • Approximately 70% employee owned

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MARTIN MIDSTREAM PARTNERS L.P.

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Martin Midstream Partners L.P.

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• NASDAQ Listed: MMLP• Formed October 31, 2002• MMLP is a publicly traded, diversified master

limited partnership with operations including:• Terminalling & Storage• Natural Gas Services• Sulfur Services• Marine Transportation

• MMLP Trading Summary (1)

• Unit Price: $38.41• Units Outstanding 26.6 million• Market Cap: $1.02

billion• Quarterly Distribution: $0.77 • Current Yield: 8.2%(1) As of March 28, 2013

MARTIN MIDSTREAM PARTNERS L.P. (MMLP) OVERVIEW

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Martin Midstream Partners L.P.

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PARTNERSHIP SNAPSHOT

~13%

Marine Transportation

~14%

Natural Gas Services

~34%

Sulfur Services

~39%

Terminalling & Storage

Leading Midstream Company With Four

Diversified Business Segments

(NASDAQ: MMLP)

Formed on October 31, 2002

Market Capitalization: $1.02 Billion

Pro Forma FYE 2012 Adjusted EBITDA: $137.4 Million

Note: Percentages above represent approximate 2012 EBITDA contribution, and market capitalization as of market close on March 18, 2013

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Martin Midstream Partners L.P.

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• Strategic operations across 48 locations in 10 states primarily in the Gulf Coast Region- Favorable proximity to major refining regions of the U.S.- Coast-to-coast integrated sulfur infrastructure, including access to export markets- Marine service terminals providing broad geographic coverage and distribution

capabilities

ATTRACTIVE OPERATING FOOTPRINT

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Martin Midstream Partners L.P.

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• Integrated yet complementary business segments, scale and brand recognition make MMLP a premier supplier of products and services

• Customers include major oil and gas companies, independent refiners, larger chemical companies and fertilizer manufacturers

• Long-term relationships provide stable revenue and cash flow generation with typical 1-5 year contracts

HIGH QUALITY CUSTOMER BASE

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Martin Midstream Partners L.P.MARINE TRANSPORTATION

Martin Resource Management Corporation

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• MMLP’s Marine Transportation segment includes the following key assets• 60 inland marine tank barges• 25 inland push-boats• 5 offshore tug barge units

• Market Drivers• Equipment Supply vs. Demand• Economic Activity• Refinery Utilization & Crack Spreads• Equipment Retirement vs. New• Floating Storage

• Contract mix reflects• Major Oil Companies• International Trading Companies• Martin Family of Companies

SEGMENT OVERVIEW – MARINE TRANSPORTATION

MARTIN MIDSTREAM PARTNERS L.P.BEAUMONT LHG PROJECT

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Martin Midstream Partners L.P.

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MARTIN STANOLIND TERMINAL LOCATION

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Martin Stanolind Terminal

Martin Midstream Partners L.P.

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STANOLIND TERMINAL – General Information

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• Location - 30° 2'14.36"N 94° 2'49.20”W• Distance from Waterway Jetties 33.4 nm • Distance from ICWW West 22 nm• Distance from ICWW East 11.5 nm

• Terminal - 645 foot Pier• Current Cargoes Handled

• Molten Sulfur• Oil/Petroleum – #6FO/Asphalt/Crude Oil• Sulfuric Acid

• Current Types of Vessels• Chemical Tankers• Tow and Barge (Inland)• Tow and Barge (Oceans)

Martin Midstream Partners L.P.

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STANOLIND TERMINAL - Navigation

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• Current Traffic Density on Monthly Basis• 20 Tow and Barge (Inland)• 3 – 4 Tow and Barge (Ocean)• 2 Panamax Chemical Tankers

• Current Navigational Restrictions• Maximum beam of 106 feet• Maximum length of 625 feet• Maximum draft of 31 feet

Martin Midstream Partners L.P.

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STANOLIND TERMINAL – Proposed Operations

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• Future Cargoes - 33 CFR 127 Facility• Liquefied Hazardous Gases – Propane and Butane• Natural gasoline

• Future Types of Vessels• Tow and Barge (Inland) 15,000 bbl capacity Type II LHG• Semi-Refrigerated LHG Tanker 6,000 to 16,000 m3 capacity

• Navigational Restrictions• None; all tankers within limits placed by Pilots

Martin Midstream Partners L.P.

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STANOLIND TERMINAL – Tanker Specifications

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Typical 6,000 m3 Tanker

Typical 16,000 m3 Tanker

Martin Midstream Partners L.P.

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STANOLIND TERMINAL – Barge Tow Specifications

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Typical Three Tank LHG Inland Barge

Typical Two Tank LHG Inland Barge

Martin Midstream Partners L.P.

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STANOLIND TERMINAL – Operational Overview

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• Transfer Operations• Direct (Across Pier) transfer to tanker; closed loop• Cargo carried at Saturated Vapor Pressure and Ambient Temperatures• One barge Discharge; Transfer Rate @500 bbl/hr

• Transits – Ports of Call• LHG Tanker – Arrive empty/load for Foreign Ports; Sabine Neches

Waterway• Barges – Three Barge Tow; arrive via ICWW loaded and depart empty• 3 – 5 transits of Sabine Neches Waterway per month by Tanker• 5 – 6 transits of ICWW and Sabine Neches Waterway per month by Tow

• Stanolind Infrastructure• No shore side storage tanks; transfer augmentation equipment

(compressor etc.)• Simple cross pier transfer operation

Martin Midstream Partners L.P.

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STANOLIND TERMINAL – Transfer Operation Schematic

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