X0306 4 2019-09-16 0 0000866829 HELIX ENERGY SOLUTIONS GROUP INC HLX 0001648839 Staffeldt Erik 3505 W. SAM HOUSTON PARKWAY N. SUITE 400 HOUSTON TX 77043 0 1 0 0 Executive Vice President & CFO Common Stock 2019-09-16 4 S 0 17027 9.50 D 157467 D These shares were sold pursuant to a 10b5-1 plan previously adopted by the reporting person on May 30, 2019. These shares were sold in multiple transactions each at a price of $9.50. The reporting person undertakes to provide Helix Energy Solutions Group, Inc., any security holder of Helix Energy Solutions Group, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold in each such transaction. Ken Neikirk by power of attorney 2019-09-17