Tranche Update on Helix Energy Solutions Group, Inc.'s Equity Buyback Plan announced on February 21, 2023.

Helix Energy Solutions Group, Inc. is an international offshore energy services company that provides specialty services to the offshore energy industry, with a focus on well intervention, robotics and full-field decommissioning operations. Its segments include Well Intervention, Robotics, Shallow Water Abandonment and Production Facilities. Well Intervention segment provides services that enable its customers to access subsea offshore wells for the purpose of performing production enhancement or decommissioning operations. Robotics segment provides trenching, seabed clearance, offshore construction and inspection, repair and maintenance services to both the offshore oil and gas and renewable energy markets globally. Shallow Water Abandonment segment provides services in support of the upstream and midstream sectors on the Gulf of Mexico shelf. Production Facilities segment includes the Helix Producer I, the Helix Fast Response System and its ownership of mature oil and gas properties.