SHAREHOLDER ALERT: Levi & Korsinsky, LLP Notifies Shareholders of Helix Energy Solutions Group, Inc. of Pendency of Class Action Lawsuit and a Lead Plaintiff Deadline of September 29, 2015 -- HLX To: All persons or entities who purchased or otherwise acquired securities of Helix Energy Solutions Group, Inc. You are hereby notified that a securities class action lawsuit has been commenced in the USDC for the Southern District of Texas. If you purchased or otherwise acquired Helix securities between October 21, 2014 and July 21, 2015, inclusive, your rights may be affected by this action.