X0306 4/A 2017-12-31 2018-01-03 1 0000866829 HELIX ENERGY SOLUTIONS GROUP INC HLX 0001046167 TRIPODO ANTHONY 3505 W SAM HOUSTON PARKWAY N. SUITE 400 HOUSTON TX 77043 1 1 0 0 EVP &Senior Advisor Common Stock 2017-12-31 4 F 0 4834 7.54 D 278131 D Common Stock 2017-12-31 4 F 0 39877 7.54 D 238254 D These shares were forfeited to satisfy tax obligations related to the vesting of the reporting person's restricted stock award. The number of shares originally reported as forfeited, 5,444, was incorrect due to a withholding miscalculation. These shares were forfeited to satisfy tax obligations related to the vesting of the reporting person's restricted stock award. The number of shares originally reported as forfeited, 40,084, was incorrect due to a withholding miscalculation. /s/ Alisa B. Johnson by power of attorney 2018-01-08