Martin Midstream Partners Announces 2025 K-1 Tax Package Availability

About this update from Martin Midstream Partners L.p.

KILGORE, Texas, March 02, 2026--(BUSINESS WIRE)--Martin Midstream Partners L.P. (NASDAQ: MMLP) today announced that the Partnership’s 2025 tax package, which includes Schedule K-1, is now available to download from the Investor Relations section of the Partnership’s website and may also be accessed by visiting https://www.taxpackagesupport.com/martinmidstream. The Partnership will begin mailing the 2025 tax package to its unitholders on Thursday, March 5, 2026. For additional information, unitholders may contact the K-1 Tax Package Support Line toll free at (888) 334-7473. In addition, you can send a request by mail to: Martin Midstream Partners L.P., Attn: Tax Package Support, P.O. Box 139031, Dallas, Texas 75313. About Martin Midstream Partners Martin Midstream Partners L.P., headquartered in Kilgore, Texas, is a publicly traded limited partnership with a diverse set of operations focused primarily in the Gulf Coast region of the United States. MMLP’s primary business lines include: (1) terminalling, processing, and storage services for petroleum products and by-products; (2) land and marine transportation services for petroleum products and by-products, chemicals, and specialty products; (3) sulfur and sulfur-based products processing, manufacturing, marketing and distribution; and (4) marketing, distribution, and transportation services for natural gas liquids and blending and packaging services for specialty lubricants and grease. To learn more, visit www.MMLP.com or find us on LinkedIn and Facebook. View source version on businesswire.com: https://www.businesswire.com/news/home/20260302531788/en/ Contacts Martin Midstream Partners LPDanny Cavin Director, FP&A and Investor [email protected] (877) 256-6644

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