TransMontaigne Appoints Jesse Arenivas as Chief Executive Officer

DENVER, September 04, 2025 — TransMontaigne Partners LLC (“TransMontaigne or the “Company”), a leading provider of terminaling, storage, transportation and related services to the energy industry, today announced that Jesse Arenivas has been appointed Chief Executive Officer of the Company, effective September 2, 2025. Randal Maffett, who has served as CEO of TransMontaigne since 2023, will become a member of the Board of Managers (the “Board”) of TLP Acquisition Holdings, LLC.

“TransMontaigne’s strategic asset footprint will enable the Company to continue to deliver infrastructure access and service and grow with its customers. Mr. Arenivas’s longstanding operating and commercial leadership track record makes him an ideal choice to lead this next phase for the Company,” said Angelo Acconcia, President at ArcLight Capital Partners. “We are grateful for Randy’s significant contributions to TransMontaigne over the last two years. Under his leadership, the Company has strengthened its business and stakeholder relationships while maintaining exemplary health and safety credentials and providing superb reliability to customers.”

Prior to joining TransMontaigne, Mr. Arenivas served as CEO of EnLink Midstream LLC from 2022 to 2025. Mr. Arenivas served as CEO of EnLink Midstream LLC from 2022 to 2025. Prior to EnLink, Mr. Arenivas served in several executive roles with Kinder Morgan, Inc. (“KMI”) including President of KMI’s Energy Transition Ventures team and Vice President (President, CO2 segment). Before joining KMI in 2003, Mr. Arenivas spent five years at ConocoPhillips Co. in financial and commercial roles. Mr. Arenivas received a Bachelor of Business Administration in finance from the University of Texas Permian Basin and is a licensed Certified Public Accountant.

“I am thrilled by the opportunity to join TransMontaigne’s team as the next CEO and partner with ArcLight. TransMontaigne’s dedication to safety and customer service makes the company an excellent partner for our customers and its 54 state-of-the-art terminals are ideally situated to meet the country’s evolving liquids logistics demands,” said Mr. Arenivas. “I am excited to work with the leadership team to continue to create an exceptional environment for our employees and superior value for all of our stakeholders.”

“It has been my honor to lead TransMontaigne for the last two years,” said Mr. Maffett. “I have known Jesse for a long time and am delighted that he will be the next CEO. He is a proven leader in our industry and I am confident that he will ensure TransMontaigne’s continued success.”