SEACOR Marine Holdings Inc. announced that on April 17, 2018, Ferris Hussein, Carlyle's designee on the company's board of directors submitted to the company his resignation from the Board effective prior to execution of the letter agreement discussed in Item 1.01. On April 17, 2018 the Board appointed Gregory S. Rossmiller as Senior Vice President and Chief Accounting Officer of the company. Rossmiller will be the Company's principal accounting officer for purposes of the Company's filings with the Securities and Exchange Commission.