X0306 4/A 2019-03-04 2019-03-05 0 0001690334 SEACOR Marine Holdings Inc. SMHI 0001705427 Llorca Jesus C/O SEACOR MARINE HOLDINGS INC. 12121 WICKCHESTER LANE, SUITE 500 HOUSTON TX 77079 0 1 0 0 EVP & CFO Common Stock 2019-03-04 4 F 0 3376 14.01 D 25249 D On March 5, 2019, the reporting person filed a Form 4 which reported the withholding of 2,789 shares of the issuer's common stock to satisfy the reporting person's tax withholding obligation upon the vesting of restricted stock. In fact, as reported in this amendment, 3,376 shares of the issuer's common stock were withheld to satisfy such tax obligation. /s/ Andrew H. Everett II, Attorney-in-Fact 2019-03-15