Martin Midstream Partners LP (NasdaqGS: MMLP) upsized its revolving credit facility by $37,500,000, for a total of $637,500,000, the company said Feb. 19.

The revolving credit facility matures March 28, and as of Dec. 31, 2013, it holds $235 million outstanding, the company said.

Deutsche Bank AG (NYSE: DB) is part of the facility’s syndicate of lenders, the company added.

Martin Midstream Partners, based in Kilgore, Texas, is a limited partnership in natural gas and petroleum with operations along the U.S. Gulf Coast.