DRAFT Disclaimer The following pages contain material that was provided to ArcLight Capital Partners, LLC (“ArcLight”) in connection with a potential acquisition of TransMontaigne Partners LP (the “Company”) by Barclays Capital Inc. (“Barclays”). The accompanying material and any Barclays presentation related to the material was compiled or prepared on a confidential basis solely for consideration by ArcLight and no part of it may be reproduced, distributed or transmitted without the prior written consent of Barclays. The information contained in this material was obtained from the Company, ArcLight and/or publicly available sources, and Barclays has relied upon such information without independent verification thereof and does not assume any liability for any such information. These materials are being provided in connection with an actual engagement and may not be used or relied upon for any purpose other than as specifically contemplated by a written agreement with Barclays. Any estimates, historical financial information, projections and other information contained herein have been prepared by management of the Company and/or ArcLight or were obtained from publicly available sources or are based upon such estimates and projections. With respect to such estimates and projections, Barclays has assumed that they have been reasonably prepared on a basis reflecting the best currently available estimates, projections and judgment of the management of the Company and/or ArcLight. The projections contained herein may or may not be achieved and differences between projected results and those actually achieved may be material. No representation or warranty, expressed or implied, is made as to the accuracy or completeness of such information and nothing contained herein is, or shall be relied upon as, a promise or representation, whether as to the past or the future. The analysis contained herein is based on current market conditions which are subject to change and Barclays assumes no obligation to update or otherwise revise these materials. Nothing in these materials shall be deemed to constitute investment, legal, tax, financial, accounting or other advice. Because these materials were prepared for use in the context of a presentation to ArcLight, these materials are incomplete without reference to, and should be assessed solely in conjunction with, the oral briefing provided by Barclays. These materials are not intended to provide the sole basis for evaluation of the proposed transaction and do not purport to contain all information that may be required and should not be considered a recommendation with respect to the proposed transaction. Barclays has not made or obtained any evaluations or appraisals of the assets or liabilities of ArcLight or any other party to any transaction or any of their respective affiliates and has no obligation to evaluate the solvency of ArcLight or any other party to any transaction under any state or federal laws relating to bankruptcy, insolvency or similar matters. The analyses contained herein do not purport to be appraisals nor do they necessarily reflect the prices at which businesses or securities actually may be sold or purchased. Barclays’ role in any due diligence review is limited solely to performing such a review as it shall deem necessary to support its own advice and analysis and shall not be on behalf of ArcLight. Barclays, its subsidiaries and affiliates engage in a wide range of businesses from investment and commercial banking, lending, asset management and other financial and non-financial services. In the ordinary course of its business, Barclays and its affiliates may actively trade and effect transactions in the equity, debt and/or other securities (and any derivatives thereof) and financial instruments (including loans and other obligations) of ArcLight and the counterparty (or their respective affiliates) for its own account and for the accounts of its customers and, accordingly, may at any time hold long or short positions and investments in such securities and financial instruments. These materials do not constitute nor do they form part of an offer to sell or purchase, or the solicitation of an offer to sell or purchase, any securities or any of the businesses or assets described herein or an offer of financing or an offer or recommendation to enter into any transaction described herein. Barclays Capital Inc. is the United States investment bank of Barclays Bank PLC. Barclays Bank PLC is authorised by the Prudential Regulation Authority and regulated by the Financial Conduct Authority and the Prudential Regulation Authority (Financial Services Register No. 122702). Registered in England. Registered No. 1026167. Registered office: 1 Churchill Place, London E14 5HP. Copyright Barclays Bank PLC, 2018 (all rights reserved). 1

DRAFT Trans Am Illustrative Multiples Calculations _ Source: Company filings, press releases and FactSet. Projections provided by the Company or ArcLight. 1. 2. 3. 4. LP Attributable Methodology calculated as Net Debt and EBITDA attributable to the LPs by multiplying each figure by (1 – GP % of DCF) in each respective year. Net Debt adjusted by ‘18E GP DCF take. Reflects Barclays perception of Evercore methodology. Evercore analysis has not been reviewed by Barclays, ArcLight, or K&E. Initial offer price of $38.00 per unit and LP unit counts per the Schedule 13D filed on 7/10/18. GP unit count shown in Perceived Evercore Methodology per TLP’s 10-Q filed 5/9/18. GP equity value in ArcLight GP Purchase Price methodology based on ArcLight’s purchase price of TLP’s GP from NGL. GP equity value for Cash Flow Parity method calculates the number of LP units that would need to be issued in order for the GP to achieve cash flow parity in the form of LP distributions. Based on LQA distributions. Perceived Evercore Methodology assumes GP units are equivalent in value to LP units. Omnibus adjustment per ArcLight. EBITDA and DCF yield adjusted for Omnibus Agreement represents the implied multiples assuming fully-consolidated TMS costs which are currently not included in TLP’s cash flows. 5. 2 ($ in millions, except per unit data) Initial Offer(3) (7/10/18) TLP Unit Price: $38.00 $40.00 $46.00 Units (3) Public LP Equity Value 13.1 $496.1 $522.2 $600.6 TLP Equity Holdings, LLC LP Equity Value 2.4 89.9 94.7 108.9 Total LP Equity Purchase Price $586.0 $616.9 $709.4 TLP Acquisition LP Equity Value 0.8 30.4 32.0 36.8 Total LP Equity Value 16.2 $616.4 $648.9 $746.2 Initial Offer(3) (7/10/18) $38.00 $40.00 $46.00 Units (3) 13.1 $496.1 $522.2 $600.6 2.4 89.9 94.7 108.9 $586.0 $616.9 $709.4 0.8 30.4 32.0 36.8 16.2 $616.4 $648.9 $746.2 Initial Offer(3) (7/10/18) $38.00 $40.00 $46.00 Units (3) 13.1 $496.1 $522.2 $600.6 2.4 89.9 94.7 108.9 $586.0 $616.9 $709.4 0.8 30.4 32.0 36.8 16.2 $616.4 $648.9 $746.2 Initial Offer(3) (7/10/18) $38.00 $40.00 $46.00 Units (3) 13.1 $496.1 $522.2 $600.6 2.4 89.9 94.7 108.9 $586.0 $616.9 $709.4 0.8 30.4 32.0 36.8 16.2 $616.4 $648.9 $746.2 GP Equity Value (4) $350.0 $350.0 $350.0 5.1 $192.2 $202.3 $232.7 0.3 $12.6 $13.2 $15.2 Total TLP Equity Value $966.4 $998.9 $1,096.2 $616.4 $648.9 $746.2 $808.7 $851.2 $978.9 $629.0 $662.1 $761.4 MLP Total Debt $590.2 $590.2 $590.2 MLP Cash (0.9) (0.9) (0.9) TLP Net Debt $589.3 $589.3 $589.3 Enterprise Value as a Multiple of: TLP Data $413.8 $413.8 $413.8 (0.7) (0.7) (0.7) $413.2 $413.2 $413.2 TLP Data $590.2 $590.2 $590.2 (0.9) (0.9) (0.9) $589.3 $589.3 $589.3 TLP Data $590.2 $590.2 $590.2 (0.9) (0.9) (0.9) $589.3 $589.3 $589.3 TLP Data 2018E EBITDA: 2018E EBITDA (Adj. for Omnibus Agreement) (5) $137.6 11.3x 11.5x 12.3x $123.7 12.6x 12.8x 13.6x $96.4 10.7x 11.0x 12.0x $86.7 11.9x 12.2x 13.4x $137.6 10.2x 10.5x 11.4x $123.7 11.3x 11.6x 12.7x $137.6 8.9x 9.1x 9.8x $123.7 9.8x 10.1x 10.9x MLP Statistics: 2018E DCF Yield: 2018E DCF Yield (Adj. for Omnibus Agreement) (5) $3.81 10.04% 9.54% 8.29% $3.39 8.91% 8.47% 7.36% $3.81 10.04% 9.54% 8.29% $3.39 8.91% 8.47% 7.36% $3.81 10.04% 9.54% 8.29% $3.39 8.91% 8.47% 7.36% $3.81 10.04% 9.54% 8.29% $3.39 8.91% 8.47% 7.36% $1,218.3 $1,251.4 $1,350.7 $1,397.9 $1,440.5 $1,568.2 $1,029.6 $1,062.0 $1,159.4 $1,555.7 $1,588.1 $1,685.5 Total TLP Enterprise Value Perceived Evercore Methodology (2) Cash Flow Parity EBITDA Attributable to LP (1) ArcLight GP Purchase Price Valuation Methodology: Trans Am Illustrative Multiples Calculations

DRAFT Disclaimer This document has been prepared by Barclays Capital Inc. (“Barclays”) for information purposes only. This document is confidential and for the sole and exclusive benefit and internal use of ArcLight Capital Partners, LLC (the “Recipient”) in connection with the matter or possible transaction to which this document relates, and no part of it may be reproduced, distributed or transmitted without the prior written permission of Barclays. This document is an indicative summary of the terms and conditions of the transaction described herein and may be amended, superseded or replaced by subsequent summaries. The final terms and conditions of the transaction will be set out in full in the applicable binding transaction document(s). This document is incomplete without reference to, and should be assessed solely in conjunction with, the oral briefing provided by Barclays. Neither Barclays nor any of its subsidiaries or affiliates shall be obliged by having made this document available to you to provide any financial advisory services (whether in relation to the matter or possible transaction to which this document relates or otherwise) or to sell, acquire, place or underwrite any securities or to lend moneys or to provide any other commitment, facility, product, risk management solution or service, nor does Barclays represent by providing this document to the Recipient that it will be possible for Barclays to provide, arrange or undertake any of the aforementioned services, activities, products or solutions. Any commitment by Barclays to provide, arrange or undertake any of the aforementioned services, activities, products or solutions would be subject to Barclays signing appropriate documentation, obtaining all necessary internal approvals and completing due diligence, in each case in a manner satisfactory to Barclays. This document was prepared on the basis of information and data, obtained from publicly available sources and, where applicable, from the Recipient and/or any other entity that may be involved in any transaction or matter contemplated by this document (and/or any of the Recipient’s or the aforementioned entities’ affiliates), in each case prior to or on the date hereof. Barclays makes no warranty or representation, express or implied, as to the accuracy or completeness of information which is contained in this document and which is stated to have been obtained from or is based upon trade and statistical services or other third party sources. The information in this document has not been independently verified by Barclays and Barclays does not assume any liability for any such information. Any data on past performance, modeling or back-testing contained herein is no indication as to future performance. No representation is made as to the reasonableness of the assumptions made within or the accuracy or completeness of any modeling or back-testing or any other information contained herein. All opinions and estimates are given as of the date hereof and are subject to change and Barclays assumes no obligation to update this document to reflect any such changes. The value of any investment may fluctuate as a result of market changes. The information herein is not intended to predict actual results and no assurances are given with respect thereto. Nothing herein shall be deemed to constitute investment, legal, tax, financial, accounting or other advice. The Recipient is responsible for making its own independent investigation and appraisal of the risks, benefits, appropriateness and suitability of any transaction or matter contemplated by this document and Barclays is not making any recommendation (personal or otherwise) or giving any investment advice and will have no liability with respect thereto. The decision to proceed with any transaction or action contemplated by this document must be made by the Recipient in the light of its own commercial assessments and Barclays will not be responsible for such assessments. Neither Barclays nor any of its subsidiaries or affiliates, nor any of their respective directors, officers, employees, advisors or other representatives (Barclays together with such persons being the “Barclays Group”) accepts any liability whatsoever for any direct, indirect or consequential losses (in contract, tort or otherwise) arising from the use of this document or its contents or any reliance on the information contained herein. Barclays Group is not responsible for any specialized advice (including financial, tax, legal and accounting, among other advice). This document does not constitute nor does it form part of an offer to sell or purchase, or the solicitation of an offer to sell or purchase, any securities or any of the businesses or assets described herein or an offer or recommendation to enter into any transaction described herein nor does this document constitute an offer or commitment to provide, arrange or underwrite any financing. Members of the Barclays Group are involved in a wide range of commercial banking, investment banking and other activities out of which conflicting interests or duties may arise. In the ordinary course of its business, the Barclays Group may provide services to any other entity or person whether or not a member of the same group as the Recipient (a “Third Party”), engage in any transaction (whether on its own account, on behalf of any Third Party or otherwise, and including any transaction or matter contemplated by this document), notwithstanding that such services, transactions or actions may be adverse to the Recipient or any member of the Recipient’s group, and the Barclays Group may retain for its own benefit any related remuneration or profit. The Barclays Group operates in accordance with a conflicts of interest policy which identifies conflicts of interest it faces in the ordinary course of its business, and establishes organisational and procedural measures to manage those conflicts where it is reasonably able to do so. Neither Barclays nor any other part of the Barclays Group shall have any duty to disclose to the Recipient or utilise for the Recipient’s benefit any non-public information acquired in the course of providing services to any other person, engaging in any transaction (on its own account or otherwise) or otherwise carrying on its business. The Barclays Group’s research analysts and research departments are independent from its banking business and are subject to certain regulations and internal policies. The Barclays Group’s research analysts may hold opinions and make statements or investment recommendations and/or publish research reports with respect to any company referred to herein, the transactions contemplated herein or any person or entity involved therein or related thereto that differ from or are inconsistent with the views or advice communicated by the Barclays Group’s banking business. Barclays is a full service securities firm and as such from time to time may effect transactions for its own account or the account of its clients and hold long or short positions in debt, equity or other securities of the companies referred to herein. THIS DOCUMENT DOES NOT DISCLOSE ALL THE RISKS AND OTHER SIGNIFICANT ISSUES RELATED TO AN INVESTMENT IN THE SECURITIES, FINANCIAL INSTRUMENTS OR TRANSACTIONS DESCRIBED HEREIN. PRIOR TO TRANSACTING, YOU SHOULD ENSURE THAT YOU FULLY UNDERSTAND THE TERMS OF THE TRANSACTION AND ANY APPLICABLE RISKS. The information contained herein is not intended to be distributed to any prospective or actual investors and, accordingly, may not be shown or given to any person other than the recipient, and is not to be forwarded to any other person (including any retail investor or customer), copied or otherwise reproduced or distributed to any such person in any manner whatsoever. FAILURE TO COMPLY WITH THIS DIRECTIVE CAN RESULT IN A VIOLATION OF THE SECURITIES ACT OF 1933, AS AMENDED. These materials have not been produced by the Barclays Group’s research department and do not constitute investment research or a research recommendation for the purposes of the Financial Conduct Authority rules or a research report under applicable U.S. law. Barclays Capital Inc. is the United States investment bank of Barclays Bank PLC. Barclays Bank PLC is authorised by the Prudential Regulation Authority and regulated by the Financial Conduct Authority and the Prudential Regulation Authority (Financial Services Register No. 122702). Registered in England. Registered No. 1026167. Registered office: 1 Churchill Place, London E14 5HP. Copyright Barclays Bank PLC, 2018 (all rights reserved). 3
