Effective December 8, 2021, Brent Arriaga was appointed Chief Accounting Officer and Corporate Controller of Helix and designated as its “principal accounting officer” for purposes of the Securities Act of 1933, the Securities Exchange Act of 1934 and the rules and regulations promulgated thereunder. Mr. Arriaga (age 47) joined Helix in January 2018 as Corporate Controller. Prior to joining Helix Mr. Arriaga served as Senior Director, Technical Accounting at Weatherford International plc, from July 2015 to January 2018, and prior thereto held various roles of increasing responsibility at Citigroup, Inc., Credit Suisse Group AG and KPMG LLP.