Exhibit 99.1
MARTIN MIDSTREAM PARTNERS ANNOUNCES QUARTERLY DISTRIBUTION
OF $0.75 PER UNIT TO BE PAID ON AUGUST 14, 2009
KILGORE, Texas, July 28, 2009 /GlobeNewswire/ — Martin Midstream Partners L.P. (NASDAQ:
MMLP) announced today that is has declared a quarterly cash distribution of $0.75 per unit for the
quarter ended June 30, 2009. This quarterly distribution remains unchanged from the distribution
paid in the prior quarter and represents a 1.4% increase over the quarterly distribution paid in
the same quarter of 2008. The distribution is payable on August 14, 2009 to common and
subordinated unitholders of record as of the close of business on August 7, 2009. The August
distribution is based on the current operating performance of, and the current general economic,
industry and market conditions impacting MMLP and reflects an annualized distribution rate of $3.00
per unit.
About Martin Midstream Partners
Martin Midstream Partners is a publicly traded limited partnership with a diverse set of
operations focused primarily in the United States Gulf Coast region. The Partnership’s primary
business lines include: terminalling and storage services for petroleum products and by-products;
natural gas gathering and processing and NGL distribution services; marine transportation services
for petroleum products and by-products; and sulfur and sulfur-based products processing,
manufacturing, marketing and distribution.
Additional information concerning Martin Midstream is available on its website at
www.martinmidstream.com.
Forward-Looking Statements
Statements about Martin Midstream Partners’ outlook and all other statements in this release
other than historical facts are forward-looking statements within the meaning of the Private
Securities Litigation Reform Act of 1995. These forward-looking statements and all references to
financial estimates rely on a number of assumptions concerning future events and are subject to a
number of uncertainties and other factors, many of which are outside its control, which could cause
actual results to differ materially from such statements. While MMLP believes that the assumptions
concerning future events are reasonable, it cautions that there are inherent difficulties in
anticipating or predicting certain important factors. A discussion of these factors, including
risks and uncertainties, is set forth in MMLP’s annual and quarterly reports filed from time to
time with the Securities and Exchange Commission. Martin Midstream Partners disclaims any intention
or obligation to revise any forward-looking statements, including financial estimates, whether as a
result of new information, future events, or otherwise.
Contact: Robert D. Bondurant, Executive Vice President and Chief Financial Officer of MMLP’s
general partner, Martin Midstream GP LLC, at (903) 983-6200.