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Helix Energy Solutions Group, Inc. is traded on the NYSE under the symbol HLX.

KPMG LLP

EQ Shareowner Services1110 Centre Pointe Curve, Suite 101
Mendota Heights, MN 55120
1-800-468-9716
www.shareowneronline.com

For registered shareholders, communications concerning transfer of shares, lost stock certificates, duplicate mailings or change of address should be directed to the transfer agent. For shareholders who own shares through a brokerage, please contact your broker for all account information.

SEC filings as well as quarterly and annual reports can be found on our web site at: https://www.helixesg.com/. Printed reports are available by contacting:

Investor Relations
Helix Energy Solutions Group, Inc
3505 West Sam Houston Parkway North
Suite 400
Houston, Texas 77043