SEACOR Marine announces appointment to Board of Directors Page 1

HOUSTON, Sept. 19, 2024 (GLOBE NEWSWIRE) — SEACOR Marine Holdings Inc. (NYSE:SMHI) (the “Company” or “SEACOR Marine”), a leading provider of marine and support transportation services to offshore energy facilities worldwide, today announced that it has expanded its Board of Directors (the “Board”) from five (5) to six (6) members and has appointed Lisa P. Young as an independent member of the Board.

Ms. Young is an accomplished professional with 36 years of experience in public accounting and professional services across multiple industries. A retired senior partner at Ernst & Young, Ms. Young served in a number of leadership roles, including serving as Senior Global Client Service Partner until her retirement in 2021. Since December 2023, Ms. Young has served on the board of directors, chair of the audit committee and as a member of the nominating and governance committee of Valo Health, Inc., a privately held technology company focused on using data and artificial intelligence to discover and develop therapies. Since January 2022, Ms. Young has served on the board of directors of Accelus Inc., a privately held medical technology company, where she also serves as chair of the audit and finance committee and as a member of the nominating and governance committee. From May 2022 to March 2024, Ms. Young served on the board of directors, the audit and risk committee, and the compensation committee of Textainer Group Holdings Limited, a leading intermodal container rental company listed on the NYSE until its privatization in March 2024. Ms. Young also serves as the chair of the board of trustees of the Columbus Museum of Art, a member and finance chair of the board of directors of the Dallas Black Dance Theatre and of FringeArts in Philadelphia, and as an advisory board member of the Texas Tech University Rawls College of Business. Ms. Young is a Certified Public Accountant and holds a BBA in Finance and Accounting from Texas Tech University.

Andrew Morse, the Company’s Chairman of the Board, commented: “On behalf of the Board, I would like to extend a warm welcome to Ms. Young. Ms. Young brings with her a wealth of knowledge and experience, as well as a proven track record of successful leadership. We look forward to working with her to ensure the Company’s continued success.”

SEACOR Marine provides global maritime and support transportation services to offshore energy facilities worldwide. SEACOR Marine operates and manages a diverse fleet of offshore support vessels that deliver cargo and personnel to offshore installations, including offshore wind farms; support offshore operations for production and storage facilities; support construction, well maintenance, offshore wind farm installation and decommissioning; transport and launch equipment used underwater in well drilling and installation, maintenance, inspection and repair; and handle anchors and mooring equipment for offshore rigs and platforms. In addition, SEACOR Marine vessels provide emergency response services and accommodation for technicians and specialists.