Core Insights - Martin Midstream Partners L.P. announced the retirement of William "Jeff" Posey, Vice President of Fertilizer, effective December 31, 2025, with Michael W. Lawrence set to take over the fertilizer division [1][2][3] Group 1: Leadership Transition - William "Jeff" Posey has over two decades of service at Martin Midstream Partners, starting as Fertilizer Sales Manager in December 1999 and rising to Vice President of Fertilizer in June 2019 [2] - Michael W. Lawrence, currently Senior Vice President – Sulfur Services, will consolidate the sulfur and sulfur-based fertilizer operations under his leadership following Posey's retirement [1][4] Group 2: Michael W. Lawrence's Background - Michael W. Lawrence joined Martin in July 2008 as General Manager of the Sulfur Services division after nearly 10 years at Koch Industries [4] - He has held various leadership roles within The Sulphur Institute, including Vice Chair and Chair, and has been on the Board of Directors since 2009 [5] Group 3: Strategic Implications - The organizational alignment under Lawrence is expected to leverage technical and operational synergies between the sulfur and fertilizer divisions, positioning the core segment for continued success [6]