Exhibit 99.1
MARTIN MIDSTREAM PARTNERS
ANNOUNCES INCREASE IN QUARTERLY DISTRIBUTION
TO BE PAID ON
AUGUST 14, 2007
KILGORE, Texas, July 23, 2007 /PRNewswire-FirstCall via COMTEX/ —
Martin Midstream Partners L.P. (NASDAQ: MMLP) announced today that it has declared a quarterly cash
distribution of $0.66 per unit for the quarter ended June 30, 2007. The August distribution
reflects an increase of $0.02 per unit over MMLP’s May 2007 distribution and is 8% greater than the
distribution for the comparable quarter of the prior year. The distribution is payable on August
14, 2007 to common and subordinated unitholders of record as of the close of business on July 31,
2007. 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 $2.64 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 Company’s primary business
lines include: terminalling and storage services for petroleum products and by-products; natural
gas services; 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.