Exhibit 99.1
MARTIN MIDSTREAM PARTNERS
ANNOUNCES INCREASE IN QUARTERLY DISTRIBUTION
TO BE PAID ON
MAY 15, 2007
KILGORE,
Texas, April 23, 2007 /PRNewswire-FirstCall via COMTEX/ —
Martin Midstream Partners L.P. (NASDAQ: MMLP) announced today that it has declared a quarterly cash
distribution of $0.64 per unit for the quarter ended March 31, 2007. The May distribution reflects
an increase of $0.02 per unit over MMLP’s February 2007 distribution. The distribution is payable
on May 15, 2007 to common and subordinated unitholders of record as of the close of business on May
1, 2007. The May 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 $2.56 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, processing and LPG distribution; marine transportation services for
petroleum products and by-products; sulfur gathering, processing and distribution; and fertilizer
manufacturing 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.