HLX / Helix Energy Solutions Group, Inc. - SEC-Einreichungen, Jahresbericht, Proxy Statement

Creating a Premier Integrated Offshore Services Company June 2026 Disclaimer Forward-Looking Statements This presentation contains forward-looking statements. All statements, other than statements of present or historical fact included in this presen

Filed by Helix Energy Solutions Group, Inc. pursuant to Rule 425 under the Securities Act of 1933, and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Helix Energy Solutions Group, Inc. Commission File No.: 001-32936 Creating a Premier Integrated Offshore Services Company June 2026 Disclaimer Forward-Looking Statements This presentation contains forw

TAKEOVER AGREEMENT

Exhibit 10.5 TAKEOVER AGREEMENT This Takeover Agreement (“Agreement”) is made and entered into, by and between Hornbeck Offshore Services, LLC (“Obligee”), on the one hand, and Fidelity & Deposit Company of Maryland and Zurich American Insurance Company (collectively, the “Surety”), on the other hand. WITNESSETH: WHEREAS, Gulf Island Shipyards, LLC (“Principal”) and Obligee are parties to a Vessel

SETTLEMENT TERM SHEET

Exhibit 10.4 SETTLEMENT TERM SHEET This Settlement Term Sheet is entered into by and among Hornbeck Offshore Services, LLC (“HOS”), Gulf Island Shipyards, LLC (“G1S”), Gulf Island Fabrication, Inc. (“GIFI”), Fidelity & Deposit Company of Maryland (“F&D”) and Zurich American Insurance Company (F&D and Zurich American Insurance Company, collectively, “Zurich”) and made effective as of this 3rd day o

AMENDMENT NO. 2 CREDITOR WARRANT AGREEMENT Hornbeck Offshore Services, Inc. AS ISSUER Computershare Inc. and Computershare Trust Company, N.A., AS WARRANT AGENT Certain Holders Signatory Hereto AS CONSENTING HOLDERS April 22, 2026

Exhibit 4.6 AMENDMENT NO. 2 CREDITOR WARRANT AGREEMENT Between Hornbeck Offshore Services, Inc. AS ISSUER and Computershare Inc. and Computershare Trust Company, N.A., AS WARRANT AGENT and Certain Holders Signatory Hereto AS CONSENTING HOLDERS April 22, 2026 This AMENDMENT NO. 2 (this “Amendment”), dated as of April 22, 2026, is by and among Hornbeck Offshore Services, Inc. (the “Issuer”), Compute

June 4, 2026

Exhibit 99.2 June 4, 2026 Board of Directors Helix Energy Solutions Group, Inc. 3505 West Sam Houston Parkway North, Suite 400 Houston, TX 77043 Re: Registration Statement on Form S-4 of Helix Energy Solutions Group, Inc., filed June 4, 2026 (the “Registration Statement”) Ladies and Gentlemen: Reference is made to our opinion letter, dated April 22, 2026 (“Opinion Letter”), with respect to the fai

CREDIT AGREEMENT dated as of August 13, 2024 by and among HORNBECK OFFSHORE SERVICES, INC., as Borrower DNB BANK ASA, NEW YORK BRANCH, as Administrative Agent, WILMINGTON TRUST, NATIONAL ASSOCIATION, as Collateral Agent THE LENDERS PARTY HERETO DNB M

Exhibit 10.1 Execution Version CREDIT AGREEMENT dated as of August 13, 2024 by and among HORNBECK OFFSHORE SERVICES, INC., as Borrower DNB BANK ASA, NEW YORK BRANCH, as Administrative Agent, WILMINGTON TRUST, NATIONAL ASSOCIATION, as Collateral Agent and THE LENDERS PARTY HERETO DNB MARKETS, INC., JPMorgan Chase Bank, N.A and Barclays bank PLC as Lead Arrangers and Physical Bookrunners TABLE OF CO

CREDITOR WARRANT AGREEMENT Hornbeck Offshore Services, Inc., AS ISSUER, Computershare, Inc. and Computershare Trust Company, N.A., collectively, AS WARRANT AGENT September 4, 2020 TABLE OF CONTENTS

Exhibit 4.4 Execution Version CREDITOR WARRANT AGREEMENT Between Hornbeck Offshore Services, Inc., AS ISSUER, And Computershare, Inc. and Computershare Trust Company, N.A., collectively, AS WARRANT AGENT September 4, 2020 TABLE OF CONTENTS PAGE SECTION 1. Certain Defined Terms 1 SECTION 2. Appointment of Warrant Agent 6 SECTION 3. Issuance of Warrants; Form, Execution and Delivery 6 SECTION 4. Tra

AMENDMENT NO. 1 CREDITOR WARRANT AGREEMENT Hornbeck Offshore Services, Inc. AS ISSUER Computershare Inc. and Computershare Trust Company, N.A., AS WARRANT AGENT Certain Holders Signatory Hereto AS CONSENTING HOLDERS December 10, 2024

Exhibit 4.5 AMENDMENT NO. 1 CREDITOR WARRANT AGREEMENT Between Hornbeck Offshore Services, Inc. AS ISSUER and Computershare Inc. and Computershare Trust Company, N.A., AS WARRANT AGENT and Certain Holders Signatory Hereto AS CONSENTING HOLDERS December 10, 2024 AMENDMENT NO. 1 (this “Amendment”) dated as of December 10, 2024 to the Creditor Warrant Agreement dated as of September 4, 2020 (“Credito

SECOND LIEN TERM LOAN CREDIT AGREEMENT dated as of December 27, 2024 by and among HORNBECK OFFSHORE SERVICES, INC., as Borrower STONEBRIAR COMMERCIAL FINANCE LLC, as Administrative Agent, WILMINGTON TRUST, NATIONAL ASSOCIATION, as Collateral Trustee

Exhibit 10.3 SECOND LIEN TERM LOAN CREDIT AGREEMENT dated as of December 27, 2024 by and among HORNBECK OFFSHORE SERVICES, INC., as Borrower STONEBRIAR COMMERCIAL FINANCE LLC, as Administrative Agent, WILMINGTON TRUST, NATIONAL ASSOCIATION, as Collateral Trustee and THE LENDERS PARTY HERETO NOTWITHSTANDING ANYTHING HEREIN TO THE CONTRARY, THE LIENS AND SECURITY INTERESTS GRANTED PURSUANT TO THIS A

LOCK-UP AGREEMENT

Exhibit 10.8 LOCK-UP AGREEMENT THIS LOCK-UP AGREEMENT (this “Agreement”), dated as of April 22, 2026 and effective as of the Effective Time (as defined herein) (except as otherwise provided herein), is made and entered into by and among Helix Energy Solutions Group, Inc., a Minnesota corporation (the “Company”), and the undersigned securityholder (the “Holder”) of Hornbeck Offshore Services, Inc.,

Jurisdiction of Formation

Exhibit 21.1 Name of Subsidiary Jurisdiction of Formation Cal Dive I-Title XI, Inc. Texas Deepwater Abandonment Alternatives, Inc. Texas Energy Resource Technology (U.K.) Limited Scotland ERT Camelot Limited Scotland Helix Alliance Decom, LLC Delaware Helix do Brasil Serviços de Petróleo Ltda. Brazil Helix Energy Solutions (U.K.) Limited Scotland Helix International Group Holdings (U.K.) Limited S

FOURTH AMENDED AND RESTATED TRADE NAME AND TRADEMARK LICENSE AGREEMENT

Exhibit 10.7 EXECUTION VERSION FOURTH AMENDED AND RESTATED TRADE NAME AND TRADEMARK LICENSE AGREEMENT This Fourth Amended and Restated Trade Name and Trademark License Agreement (this “Agreement”) is executed as of April 23, 2026 and is effective as of the Closing, as defined in that certain the Agreement and Plan of Merger, dated as of the date hereof (the “Merger Agreement”), by and among Helix

As filed with the Securities and Exchange Commission on June 4, 2026

TABLE OF CONTENTS As filed with the Securities and Exchange Commission on June 4, 2026 Registration No.

Description of Securities Registered Pursuant to Section 12 of the Exchange Act of 1934

Exhibit 4.1 Description of Securities Registered Pursuant to Section 12 of the Exchange Act of 1934 The following summary of the material terms of the capital stock of Helix Energy Solutions Group, Inc. (“Helix,” “we” and “our”), as well as certain additional information, does not purport to be complete and is subject to and qualified in its entirety by reference to our Certificate of Incorporatio

FIRST AMENDMENT TO CREDIT AGREEMENT

Exhibit 10.2 FIRST AMENDMENT TO CREDIT AGREEMENT This FIRST AMENDMENT TO CREDIT AGREEMENT (this “Amendment”), dated as of December 27, 2024, is entered into by and among (i) Hornbeck Offshore Services, Inc., a Delaware corporation, as borrower (the “Borrower”), (ii) the Lenders constituting Required Lenders under Section 11.01 of the Existing Credit Agreement (as defined below) (such Lenders, the

CONSENT

Exhibit 99.3 CONSENT The undersigned hereby consents to being named in this proxy statement/prospectus included in the Registration Statement on Form S-4 filed by Helix Energy Solutions Group, Inc. (including any amendments to such Registration Statement) in connection with the Agreement and Plan of Merger, dated as of April 22, 2026, by and among Helix Energy Solutions Group, Inc., Odyssey Sub, I

CALCULATION OF FILING FEE TABLE Form S-4 (Form Type) Helix Energy Solutions Group, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

Exhibit 107 CALCULATION OF FILING FEE TABLE Form S-4 (Form Type) Helix Energy Solutions Group, Inc.

Filed by Helix Energy Solutions Group, Inc. pursuant to

Filed by Helix Energy Solutions Group, Inc. pursuant to Rule 425 under the Securities Act of 1933, and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Helix Energy Solutions Group, Inc. Commission File No.: 001-32936 Helix / Hornbeck Integration Employee Update To: Helix Employees From: Scotty Sparks Subject: Integration Update: Progress on Pending H

Filed by Helix Energy Solutions Group, Inc. pursuant to

Filed by Helix Energy Solutions Group, Inc. pursuant to Rule 425 under the Securities Act of 1933, and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Helix Energy Solutions Group, Inc. Commission File No.: 001-32936 Helix / Hornbeck Integration Employee Update To: Hornbeck Employees From: Todd M. Hornbeck Subject: Integration Update: Progress on Pen

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 13, 2026 HELIX ENERGY SOLUTIO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 13, 2026 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdiction of incorporation) (C

SECOND SUPPLEMENTAL INDENTURE

EXHIBIT 4.1 SECOND SUPPLEMENTAL INDENTURE This Second Supplemental Indenture, dated as of May 1, 2026 (this “Supplemental Indenture”), by and among Helix Energy Solutions Group, Inc. (the “Issuer”), the Guarantors party hereto (the “Guarantors”), and The Bank of New York Mellon Trust Company, N.A., as Trustee, paying agent and registrar under such Indenture. W I T N E S S E T H: WHEREAS, the Issue

EQUITY PURCHASE AGREEMENT BY AND AMONG C-DIVE, L.L.C., HELIX ALLIANCE DECOM, LLC, HELIX ENERGY SOLUTIONS GROUP, INC., (solely for purposes of Section 6.09(c)(iv) and Section 6.15 herein) DATED AS OF MAY 1, 2026

EXHIBIT 10.1 EQUITY PURCHASE AGREEMENT BY AND AMONG C-DIVE, L.L.C., HELIX ALLIANCE DECOM, LLC, AND HELIX ENERGY SOLUTIONS GROUP, INC., (solely for purposes of Section 6.09(c)(iv) and Section 6.15 herein) DATED AS OF MAY 1, 2026 TABLE OF CONTENTS ARTICLE 1 PURCHASE AND SALE‌1 Section 1.01Purchase and Sale‌1 Section 1.02Purchase Price‌1 Section 1.03Payment of Purchase Price.‌2 Section 1.04Purchase P

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 4, 2026 (May 1, 2026) HELIX E

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 4, 2026 (May 1, 2026) HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdiction of inco

3505 W. Sam Houston Parkway N., Suite 400

EXHIBIT 99.1 PRESSRELEASE www.helixesg.com Helix Energy Solutions Group, Inc. ● 3505 W. Sam Houston Parkway N., Suite 400 ● Houston, TX 77043 ● 281-618-0400 ● fax: 281-618-0505 For Immediate Release 26-008 Date: May 4, 2026 Contact: Erik Staffeldt Executive Vice President & CFO Helix Energy Solutions Sells Shallow Water Abandonment Business to the Chouest Group Transaction Supports Helix’s Strateg

Helix Energy Solutions Sells Shallow Water Abandonment Business to the Chouest Group Transaction Supports Helix’s Strategic Focus on Deepwater Operations

Filed by Helix Energy Solutions Group, Inc. pursuant to Rule 425 under the Securities Act of 1933, and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Helix Energy Solutions Group, Inc. Commission File No.: 001-32936 Helix Energy Solutions Sells Shallow Water Abandonment Business to the Chouest Group Transaction Supports Helix’s Strategic Focus on De

SECURITYHOLDERS AGREEMENT

Exhibit 4.2 SECURITYHOLDERS AGREEMENT This SECURITYHOLDERS AGREEMENT (this “Agreement”), dated as of April 22, 2026 (the “Signing Date”), is entered into by and among Helix Energy Solutions Group, Inc., a Minnesota corporation (the “Company”), and each of the Securityholders Party hereto (each, a “Party” and collectively, the “Parties”). WHEREAS, the Company, Odyssey Sub, Inc., a Delaware corporat

AGREEMENT AND PLAN OF MERGER HELIX ENERGY SOLUTIONS GROUP, INC., ODYSSEY SUB, INC., HERCULES SUB LLC HORNBECK OFFSHORE SERVICES, INC. Dated as of April 22, 2026 TABLE OF CONTENTS

Exhibit 2.1 AGREEMENT AND PLAN OF MERGER among HELIX ENERGY SOLUTIONS GROUP, INC., ODYSSEY SUB, INC., HERCULES SUB LLC and HORNBECK OFFSHORE SERVICES, INC. Dated as of April 22, 2026 TABLE OF CONTENTS Page ARTICLE I THE MERGERS 8 1.1 The Mergers 8 1.2 Closing 8 1.3 Effects of the Mergers 9 ARTICLE II MERGER CONSIDERATION; EFFECT OF THE MERGER ON CAPITAL STOCK 9 2.1 Merger Consideration; Conversion

Filed by Helix Energy Solutions Group, Inc. pursuant to

Filed by Helix Energy Solutions Group, Inc. pursuant to Rule 425 under the Securities Act of 1933, and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Helix Energy Solutions Group, Inc. Commission File No.: 001-32936 Helix / Hornbeck Transaction All-Employee Email from Todd To: All Helix Employees From: Todd M. Hornbeck Subject: A Message from Todd M

REGISTRATION RIGHTS AGREEMENT

Exhibit 4.1 REGISTRATION RIGHTS AGREEMENT THIS REGISTRATION RIGHTS AGREEMENT (this “Agreement”), dated as of April 22, 2026 and effective as of the Effective Time (as defined herein) (except as otherwise provided herein), is made and entered into by and among Helix Energy Solutions Group, Inc., a Minnesota corporation (the “Company”), each Person (as defined herein) listed on the signature pages h

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2026 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-32936 HE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 22, 2026 HELIX ENERGY SOLUT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 22, 2026 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdiction of incorporation)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 22, 2026 HELIX ENERGY SOLUT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 22, 2026 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdiction of incorporation)

Filed by Helix Energy Solutions Group, Inc. pursuant to

Filed by Helix Energy Solutions Group, Inc. pursuant to Rule 425 under the Securities Act of 1933, and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Helix Energy Solutions Group, Inc. Commission File No.: 001-32936 Helix / Hornbeck Transaction Key Customer Email Subject: Helix and Hornbeck Announce Merger Dear Lance, Thank you for taking the time t

Filed by Helix Energy Solutions Group, Inc. pursuant to

Filed by Helix Energy Solutions Group, Inc. pursuant to Rule 425 under the Securities Act of 1933, and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Helix Energy Solutions Group, Inc. Commission File No.: 001-32936 Helix – Hornbeck Earnings / Transaction Prepared Remarks Operator Good morning and welcome to today’s conference call to discuss the co

Page 2 © 2026 Helix ESG This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forward-looking statements. All

April 23, 2026 First Quarter 2026 Earnings Conference Call EXHIBIT 99.2 Page 2 © 2026 Helix ESG This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forward-looking statements. All statements, other than statements of historical fact, are "forward-looking sta

Filed by Helix Energy Solutions Group, Inc. pursuant to

Filed by Helix Energy Solutions Group, Inc. pursuant to Rule 425 under the Securities Act of 1933, and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Helix Energy Solutions Group, Inc. Commission File No.: 001-32936 LinkedIn Today, we announced that Hornbeck Offshore has entered into an agreement to merge with Helix Energy Solutions, creating a prem

Creating a Premier Integrated Offshore Services Company April 23, 2026 Disclaimer Forward-Looking Statements This presentation contains forward-looking statements. All statements, other than statements of present or historical fact included in this p

Exhibit 99.2 Creating a Premier Integrated Offshore Services Company April 23, 2026 Disclaimer Forward-Looking Statements This presentation contains forward-looking statements. All statements, other than statements of present or historical fact included in this presentation, regarding Helix Energy Solutions Group, Inc.’s (“Helix”) proposed merger with Hornbeck Offshore Services, Inc. (“Hornbeck”),

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 22, 2026 HELIX ENERGY SOLUT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 22, 2026 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdiction of incorporation)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 22, 2026 HELIX ENERGY SOLUT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 22, 2026 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdiction of incorporation)

3505 W. Sam Houston Parkway N., Suite 400

EXHIBIT 99.1 PRESSRELEASE www.helixesg.com Helix Energy Solutions Group, Inc. ● 3505 W. Sam Houston Parkway N., Suite 400 ● Houston, TX 77043 ● 281-618-0400 ● fax: 281-618-0505 For Immediate Release 26-006 Date: April 22, 2026 Contact: Erik Staffeldt Executive Vice President & CFO Helix Reports First Quarter 2026 Results HOUSTON, TX – Helix Energy Solutions Group, Inc. (“Helix”) (NYSE: HLX) report

Filed by Helix Energy Solutions Group, Inc. pursuant to

Filed by Helix Energy Solutions Group, Inc. pursuant to Rule 425 under the Securities Act of 1933, and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Helix Energy Solutions Group, Inc. Commission File No.: 001-32936 Helix / Hornbeck Transaction Social Post Corporate LinkedIn Post Today, we announced that Helix Energy Solutions has entered into an ag

Helix and Hornbeck to Combine to Create a Premier Integrated Offshore Services Company Transaction Brings Together Two Industry Leaders with Complementary Businesses and Geographic Presence, Providing Deepwater Life-of-Field Services Forms Diversifie

Exhibit 99.1 Helix and Hornbeck to Combine to Create a Premier Integrated Offshore Services Company Transaction Brings Together Two Industry Leaders with Complementary Businesses and Geographic Presence, Providing Deepwater Life-of-Field Services Forms Diversified and Expanded High Specification Fleet, Furthering Deep Technical Expertise Portfolio will Provide Innovative and Integrated Solutions a

Filed by Helix Energy Solutions Group, Inc. pursuant to

Filed by Helix Energy Solutions Group, Inc. pursuant to Rule 425 under the Securities Act of 1933, and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Helix Energy Solutions Group, Inc. Commission File No.: 001-32936 Helix / Hornbeck Transaction All-Employee Email from Owen To: All Helix Employees From: Owen Kratz Subject: Helix to Combine with Hornb

Filed by Helix Energy Solutions Group, Inc. pursuant to

Filed by Helix Energy Solutions Group, Inc. pursuant to Rule 425 under the Securities Act of 1933, and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Helix Energy Solutions Group, Inc. Commission File No.: 001-32936 Helix / Hornbeck Transaction Investor / Analyst Courtesy Email Subject: Helix and Hornbeck to Combine to Create a Premier Integrated Of

ARS

ANNUAL REPORT www.helixesg.com 2025The story of Helix has always been one of innovation, resiliency and evolution. 2025 was no different, as we were faced with challenges and met them head-on. ! es@ lts in 2025 were reȒ ectiA e of o@ r steadD , disci; lined a;; roach to an @ ncertain glo- al energD mar6 et mar6 ed -D A olatile commoditD ; rices and geo; olitical tensions, and their im; act on the

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the registrant ☒ Filed by a party other than the registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ CONFIDENTIAL, FOR USE OF THE COMMISSION ONLY (AS PERMITTED BY RULE 14A-6(E)(2)) ☐ Definitive

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934         Filed by the registrant ☒     Filed by a party other than the registrant  ☐               Check the appropriate box:      ☐ Preliminary Proxy Statement  ☐ CONFIDENTIAL, FOR USE OF THE COMMISSION O

Jurisdiction of Formation

EXHIBIT 21.1 Name of Subsidiary Jurisdiction of Formation AES-EOT Equipment Holdings, LLC Louisiana Alliance Energy Services, LLC Louisiana Alliance Group of Louisiana L.L.C. Louisiana Alliance Industry Holdings, LLC Louisiana Alliance LB Dallas Holdings, LLC Louisiana Alliance LB Miami Holdings, LLC Louisiana Alliance Liftboats, LLC Louisiana Alliance Maritime Holdings, LLC Louisiana Alliance Off

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-32936 HELIX EN

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 23, 2026 HELIX ENERGY SO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 23, 2026 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdiction of incorporatio

3505 W. Sam Houston Parkway N., Suite 400

EXHIBIT 99.1 PRESSRELEASE www.helixesg.com Helix Energy Solutions Group, Inc. ● 3505 W. Sam Houston Parkway N., Suite 400 ● Houston, TX 77043 ● 281-618-0400 ● fax: 281-618-0505 For Immediate Release 26-004 Date: February 23, 2026 Contact: Erik Staffeldt Executive Vice President & CFO Helix Reports Fourth Quarter and Full Year 2025 Results HOUSTON, TX – Helix Energy Solutions Group, Inc. (“Helix”)

Page 2 © 2026 Helix ESG This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forward-looking statements. All

February 24, 2026 Fourth Quarter 2025 Earnings Conference Call EXHIBIT 99.2 Page 2 © 2026 Helix ESG This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forward-looking statements. All statements, other than statements of historical fact, are "forward-looking

AMENDMENT 2 TO STRATEGIC ALLIANCE AGREEMENT

EXHIBIT 10.1 AMENDMENT 2 TO STRATEGIC ALLIANCE AGREEMENT This AMENDMENT 2 TO STRATEGIC ALLIANCE AGREEMENT (“Amendment 2”) dated as of January 5, 2026 (the “Effective Date”) is made among OneSubsea LLC (“OSSLLC”), OneSubsea UK Limited (“OSSUK”), Schlumberger Technology Corporation (“STC”), Schlumberger B.V. (“SBV”), Schlumberger Oilfield Holdings Ltd. (“SOHL”) and Helix Energy Solutions Group, Inc.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 13, 2026 (February 12, 2

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 13, 2026 (February 12, 2026) HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdic

3505 W. Sam Houston Parkway N., Suite 400

EXHIBIT 99.1 PRESSRELEASE www.helixesg.com Helix Energy Solutions Group, Inc. ● 3505 W. Sam Houston Parkway N., Suite 400 ● Houston, TX 77043 ● 281-618-0400 ● fax: 281-618-0505 For Immediate Release 25-016 Date: December 17, 2025 Contact: Erik Staffeldt Executive Vice President & CFO Helix Energy Solutions Announces CEO Succession Plan Owen Kratz to Retire after Career of Transformative Leadership

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 17, 2025 HELIX ENERGY SO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 17, 2025 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdiction of incorporatio

As filed with the Securities and Exchange Commission on October 28, 2025

TABLE OF CONTENTS As filed with the Securities and Exchange Commission on October 28, 2025 Registration No.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A TRUSTE

Exhibit 25.2 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A TRUSTEE PURSUANT TO SECTION 305(b)(2) || THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A. (Exact name of trustee as specified in its charter) (J

Calculation of Filing Fee Tables Form S-3 ASR (Form Type) Helix Energy Solutions Group, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

Exhibit 107 Calculation of Filing Fee Tables Form S-3 ASR (Form Type) Helix Energy Solutions Group, Inc.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A TRUSTE

Exhibit 25.1 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A TRUSTEE PURSUANT TO SECTION 305(b)(2) || THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A. (Exact name of trustee as specified in its charter) (J

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 22, 2025 HELIX ENERGY SOL

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 22, 2025 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdiction of incorporation

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-3293

At Helix, our purpose is to enable energy transition through: Maximizing Existing Reserves Enhancing remaining production from mature oil and gas wells Lowering Decommissioning Costs Safely returning the seabed to its original state Offshore Renewabl

October 23, 2025 Third Quarter 2025 Earnings Conference Call EXHIBIT 99.2 At Helix, our purpose is to enable energy transition through: Maximizing Existing Reserves Enhancing remaining production from mature oil and gas wells Lowering Decommissioning Costs Safely returning the seabed to its original state Offshore Renewables & Wind Farms Transitioning our energy economy to a sustainable model Page

3505 W. Sam Houston Parkway N., Suite 400

EXHIBIT 99.1 PRESSRELEASE www.helixesg.com Helix Energy Solutions Group, Inc. ● 3505 W. Sam Houston Parkway N., Suite 400 ● Houston, TX 77043 ● 281-618-0400 ● fax: 281-618-0505 For Immediate Release 25-013 Date: October 22, 2025 Contact: Erik Staffeldt Executive Vice President & CFO Helix Reports Third Quarter 2025 Results HOUSTON, TX – Helix Energy Solutions Group, Inc. (“Helix”) (NYSE: HLX) repo

At Helix, our purpose is to enable energy transition through: Maximizing Existing Reserves Enhancing remaining production from mature oil and gas wells Lowering Decommissioning Costs Safely returning the seabed to its original state Offshore Renewabl

July 24, 2025 Second Quarter 2025 Earnings Conference Call EXHIBIT 99.2 At Helix, our purpose is to enable energy transition through: Maximizing Existing Reserves Enhancing remaining production from mature oil and gas wells Lowering Decommissioning Costs Safely returning the seabed to its original state Offshore Renewables & Wind Farms Transitioning our energy economy to a sustainable model Page 3

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 23, 2025 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdiction of incorporation) (

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-32936 HEL

3505 W. Sam Houston Parkway N., Suite 400

EXHIBIT 99.1 PRESSRELEASE www.helixesg.com Helix Energy Solutions Group, Inc. ● 3505 W. Sam Houston Parkway N., Suite 400 ● Houston, TX 77043 ● 281-618-0400 ● fax: 281-618-0505 For Immediate Release 25-009 Date: July 23, 2025 Contact: Erik Staffeldt Executive Vice President & CFO Helix Reports Second Quarter 2025 Results HOUSTON, TX – Helix Energy Solutions Group, Inc. (“Helix”) (NYSE: HLX) report

Financial Statements and Exhibits, Other Events, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 14, 2025 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdiction of incorporation) (C

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 23, 2025 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdiction of incorporation)

2 2 This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forward-looking statements. All statements, other th

April 24, 2025 First Quarter 2025 Conference Call EXHIBIT 99.2 2 2 This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forward-looking statements. All statements, other than statements of historical fact, are "forward-looking statements" within the meaning o

3505 W. Sam Houston Parkway N., Suite 400

EXHIBIT 99.1 PRESSRELEASE www.helixesg.com Helix Energy Solutions Group, Inc. ● 3505 W. Sam Houston Parkway N., Suite 400 ● Houston, TX 77043 ● 281-618-0400 ● fax: 281-618-0505 For Immediate Release 25-006 Date: April 23, 2025 Contact: Erik Staffeldt Executive Vice President & CFO Helix Reports First Quarter 2025 Results HOUSTON, TX – Helix Energy Solutions Group, Inc. (“Helix”) (NYSE: HLX) report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-32936 HE

ARS

helixesg.com Annual Report 2024 helixesg.com2024 Annual Report | Helix Energy SolutionsHelix Energy Solutions | 2024 Annual Report 2024 was a foundational year for Helix. While the outlook had been optimistic for an extended investment cycle in the offshore energy market, the current environment offers a more tempered approach. However we at Helix have worked hard to establish the solid baseline f

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the registrant ☒ Filed by a party other than the registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ CONFIDENTIAL, FOR USE OF THE COMMISSION ONLY (AS PERMITTED BY RULE 14A-6(E)(2)) ☐ Definitive

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934         Filed by the registrant ☒     Filed by a party other than the registrant   ☐               Check the appropriate box:      ☐ Preliminary Proxy Statement  ☐ CONFIDENTIAL, FOR USE OF THE COMMISSION

Description of Securities Registered Pursuant to Section 12 of the Exchange Act of 1934.

EXHIBIT 4.1 Description of Securities Registered Pursuant to Section 12 of the Exchange Act of 1934 As of the date of our Annual Report on Form 10-K of which this Exhibit 4.1 is a part, Helix Energy Solutions Group, Inc. (“Helix”) had one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”): common stock, no par value (our “common

Helix Energy Solutions Group, Inc. Insider Trading Compliance Program.

EXHIBIT 19.1 HELIX ENERGY SOLUTIONS GROUP, INC. INSIDER TRADING COMPLIANCE PROGRAM In order to take an active role in the prevention of insider trading violations by the officers, directors, employees and other related individuals of Helix Energy Solutions Group, Inc. (the “Company”) and its subsidiaries, the Company has adopted the policies and procedures described in this Program. I.Adoption of

List of Helix’s Subsidiaries.

EXHIBIT 21.1 Name of Subsidiary Jurisdiction of Formation AES-EOT Equipment Holdings, LLC Louisiana Alliance Energy Services, LLC Louisiana Alliance Group of Louisiana L.L.C. Louisiana Alliance Industry Holdings, LLC Louisiana Alliance LB Dallas Holdings, LLC Louisiana Alliance LB Miami Holdings, LLC Louisiana Alliance Liftboats, LLC Louisiana Alliance Maritime Holdings, LLC Louisiana Alliance Off

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-32936 HELIX EN

3505 W. Sam Houston Parkway N., Suite 400

EXHIBIT 99.1 PRESSRELEASE www.helixesg.com Helix Energy Solutions Group, Inc. ● 3505 W. Sam Houston Parkway N., Suite 400 ● Houston, TX 77043 ● 281-618-0400 ● fax: 281-618-0505 For Immediate Release 25-004 Date: February 24, 2025 Contact: Erik Staffeldt Executive Vice President & CFO Helix Reports Fourth Quarter and Full Year 2024 Results HOUSTON, TX – Helix Energy Solutions Group, Inc. (“Helix”)

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 24, 2025 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdiction of incorporatio

2 2 This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forward-looking statements. All statements, other th

Exhibit 99.2 February 25, 2025 Fourth Quarter 2024 Conference Call 2 2 This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forward-looking statements. All statements, other than statements of historical fact, are "forward-looking statements" within the meani

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 21, 2025 (February 17, 2

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 21, 2025 (February 17, 2025) HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdic

Amendment and Assignment Agreement to Strategic Alliance Agreement.

EXHIBIT 10.1 AMENDMENT AND ASSIGNMENT AGREEMENT TO STRATEGIC ALLIANCE AGREEMENT This AMENDMENT AND ASSIGNMENT AGREEMENT TO STRATEGIC ALLIANCE AGREEMENT (“Amendment and Assignment Agreement”) dated as of January 30, 2025 (the “Effective Date”) is made among OneSubsea LLC (“OSSLLC”), Cameron Lux V Sarl (“CLVS”), as successor in interest to OneSubsea B.V. (“OSSBV”), OneSubsea UK Limited (“OSSUK”), Sc

HLX / Helix Energy Solutions Group, Inc. / BlackRock, Inc. Passive Investment

SC 13G/A 1 us42330p1075110824.txt us42330p1075110824.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 17) HELIX ENERGY SOLUTIONS GROUP INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 42330P107 - (CUSIP Number) September 30, 2024 - (Date of Event Which Requires Filing of this Statement) Check the

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-3293

2 2 This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forward-looking statements. All statements, other th

October 24, 2024 2024 Third Quarter Conference Call EXHIBIT 99.2 2 2 This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forward-looking statements. All statements, other than statements of historical fact, are "forward-looking statements" within the meaning

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 23, 2024 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdiction of incorporation

3505 W. Sam Houston Parkway N., Suite 400

EXHIBIT 99.1 PRESSRELEASE www.helixesg.com Helix Energy Solutions Group, Inc. ● 3505 W. Sam Houston Parkway N., Suite 400 ● Houston, TX 77043 ● 281-618-0400 ● fax: 281-618-0505 For Immediate Release 24-017 Date: October 23, 2024 Contact: Erik Staffeldt Executive Vice President & CFO Helix Reports Third Quarter 2024 Results HOUSTON, TX – Helix Energy Solutions Group, Inc. (“Helix”) (NYSE: HLX) repo

HLX / Helix Energy Solutions Group, Inc. / BlackRock, Inc. Passive Investment

SC 13G/A 1 us42330p1075101824.txt us42330p1075101824.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 17) HELIX ENERGY SOLUTIONS GROUP INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 42330P107 - (CUSIP Number) September 30, 2024 - (Date of Event Which Requires Filing of this Statement) Check the

2 2 This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forward-looking statements. All statements, other th

Company Update September 2024 EXHIBIT 99.1 2 2 This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forward-looking statements. All statements, other than statements of historical fact, are "forward-looking statements" within the meaning of the Private Securi

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 3, 2024 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdiction of incorporatio

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 30, 2024 (August 27, 2024) HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdiction

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 2, 2024 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdiction of incorporation)

Amendment No. 4, dated as of August 2, 2024, to Loan, Security and Guaranty Agreement dated as of September 30, 2021, among Helix Energy Solutions Group, Inc., Helix Well Ops Inc., Helix Robotics Solutions, Inc., Deepwater Abandonment Alternatives, Inc., Alliance Offshore, L.L.C., Triton Diving Services, LLC, Alliance Energy Services, LLC, Helix Well Ops (U.K.) Limited and Helix Robotics Solutions Limited as borrowers, the guarantors party thereto, the lenders party thereto, and Bank of America, N.A., as agent and security trustee for the lenders, as previously amended.

EXHIBIT 4.1 AMENDMENT NO. 4 TO LOAN, SECURITY AND GUARANTY AGREEMENT This AMENDMENT NO. 4 TO LOAN, SECURITY AND GUARANTY AGREEMENT (this “Amendment”), dated as of August 2, 2024, is entered into by Helix Energy Solutions Group, Inc., a Minnesota corporation (“Helix”), Helix Well Ops Inc., a Texas corporation (“Well Ops”), Helix Robotics Solutions, Inc., a Texas corporation (“Robotics”), Deepwater

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 24, 2024 HELIX ENERGY SOLUTI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 24, 2024 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdiction of incorporation) (

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-32936 HEL

2 2 This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forward-looking statements. All statements, other th

July 25, 2024 2024 Second Quarter Conference Call EXHIBIT 99.2 2 2 This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forward-looking statements. All statements, other than statements of historical fact, are "forward-looking statements" within the meaning o

3505 W. Sam Houston Parkway N., Suite 400

EXHIBIT 99.1 PRESSRELEASE www.helixesg.com Helix Energy Solutions Group, Inc. ● 3505 W. Sam Houston Parkway N., Suite 400 ● Houston, TX 77043 ● 281-618-0400 ● fax: 281-618-0505 For Immediate Release 24-011 Date: July 24, 2024 Contact: Erik Staffeldt Executive Vice President & CFO Helix Reports Second Quarter 2024 Results HOUSTON, TX – Helix Energy Solutions Group, Inc. (“Helix”) (NYSE: HLX) report

As filed with the Securities and Exchange Commission on June 12, 2024

As filed with the Securities and Exchange Commission on June 12, 2024 Registration No.

Calculation of Filing Fee Tables Form S-8 (Form Type) Helix Energy Solutions Group, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities

Exhibit 107 Calculation of Filing Fee Tables Form S-8 (Form Type) Helix Energy Solutions Group, Inc.

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 15, 2024 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdiction of incorporation) (C

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-32936 HE

3505 W. Sam Houston Parkway N., Suite 400

EXHIBIT 99.1 PRESSRELEASE www.helixesg.com Helix Energy Solutions Group, Inc. ● 3505 W. Sam Houston Parkway N., Suite 400 ● Houston, TX 77043 ● 281-618-0400 ● fax: 281-618-0505 For Immediate Release 24-009 Date: April 24, 2024 Contact: Erik Staffeldt Executive Vice President & CFO Helix Reports First Quarter 2024 Results HOUSTON, TX – Helix Energy Solutions Group, Inc. (“Helix”) (NYSE: HLX) report

2 2 This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forward-looking statements. All statements, other th

April 25, 2024 2024 First Quarter Conference Call EXHIBIT 99.2 2 2 This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forward-looking statements. All statements, other than statements of historical fact, are "forward-looking statements" within the meaning o

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 24, 2024 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdiction of incorporation)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the registrant ☒ Filed by a party other than the registrant   ☐ Check the appropriate box:  ☐ Preliminary Proxy Statement  ☐ CONFIDENTIAL, FOR USE OF THE COMMISSION ONLY (AS PERMITTED BY RULE 14A

ARS

helixesg.com helixesg sg.c com om ANNUAL REPORT 2023 MAXIMIZING EXISTING RESERVES y LOWERING DECOMMISSIONING COSTS y OFFSHORE RENEWABLES & WIND FARMS2023 Annual Report | Helix Energy Solutions TO OUR SHAREHOLDERS Owen Kratz, President and Chief Executive Officer 2023 was an excellent year for Helix and our shareholders. We had described 2022 as a transitional year, as we began to 080=20ऺ1=:8ऺ,ऺ/4Ȳ

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the registrant ☒ Filed by a party other than the registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ CONFIDENTIAL, FOR USE OF THE COMMISSION ONLY (AS PERMITTED BY RULE 14A-6(E)(2)) ☐ Definitive

Termination of a Material Definitive Agreement, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 22, 2024 (March 20, 2024) HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdiction o

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 18, 2024 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdiction of incorporation)

2 2 This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forward-looking statements. All statements, other th

Helix Energy Solutions Company Update March 2024 EXHIBIT 99.1 2 2 This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forward-looking statements. All statements, other than statements of historical fact, are "forward-looking statements" within the meaning of

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-32936 HELIX EN

Description of Securities Registered Pursuant to Section 12 of the Exchange Act of 1934.

EXHIBIT 4.1 Description of Securities Registered Pursuant to Section 12 of the Exchange Act of 1934 As of the date of our Annual Report on Form 10-K of which this Exhibit 4.1 is a part, Helix Energy Solutions Group, Inc. (“Helix”) had one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”): common stock, no par value (our “common

List of Helix’s Subsidiaries.

EXHIBIT 21.1 Name of Subsidiary Jurisdiction of Formation AES-EOT Equipment Holdings, LLC Louisiana Alliance Energy Services, LLC Louisiana Alliance Group of Louisiana L.L.C. Louisiana Alliance Industry Holdings, LLC Louisiana Alliance LB Dallas Holdings, LLC Louisiana Alliance LB Miami Holdings, LLC Louisiana Alliance Liftboats, LLC Louisiana Alliance Maritime Holdings, LLC Louisiana Alliance Off

2 2 This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forward-looking statements. All statements, other th

February 27, 2024 Fourth Quarter 2023 Conference Call EXHIBIT 99.2 2 2 This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forward-looking statements. All statements, other than statements of historical fact, are "forward-looking statements" within the meani

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 26, 2024 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdiction of incorporatio

3505 W. Sam Houston Parkway N., Suite 400

EXHIBIT 99.1 PRESSRELEASE www.helixesg.com Helix Energy Solutions Group, Inc. ● 3505 W. Sam Houston Parkway N., Suite 400 ● Houston, TX 77043 ● 281-618-0400 ● fax: 281-618-0505 For Immediate Release 24-005 Date: February 26, 2024 Contact: Erik Staffeldt Executive Vice President & CFO Helix Reports Fourth Quarter and Full Year 2023 Results HOUSTON, TX – Helix Energy Solutions Group, Inc. (“Helix”)

HLX / Helix Energy Solutions Group, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv01104-helixenergysolutions.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 13)* Name of issuer: Helix Energy Solutions Group Inc Title of Class of Securities: Common Stock CUSIP Number: 42330P107 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropri

HLX / Helix Energy Solutions Group, Inc. / DIMENSIONAL FUND ADVISORS LP - SEC SCHEDULE 13G Passive Investment

SC 13G/A 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* Helix Energy Solutions Group Inc (Name of Issuer) Common Stock (Title of Class of Securities) 42330P107 (CUSIP Number) December 29, 2023 (Date of Event Which Requires Filing of this Statement) Check the appro

HLX / Helix Energy Solutions Group, Inc. / BlackRock Inc. Passive Investment

SC 13G/A 1 us42330p1075011924.txt us42330p1075011924.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 16) HELIX ENERGY SOLUTIONS GROUP INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 42330P107 - (CUSIP Number) December 31, 2023 - (Date of Event Which Requires Filing of this Statement) Check the

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 27, 2023 (December 27, 2023) HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdic

Form of Exchange Agreement with certain holders of 6.75% Convertible Senior Notes due 2026.

Exhibit 10.2 Exchange Agreement December [●], 2023 Helix Energy Solutions Group, Inc. 6.75% Convertible Senior Notes due 2026 The entity listed under “UNDERSIGNED” on the signature page hereto (the “Undersigned”), for itself and on behalf of the beneficial owners listed on Exhibit A hereto (“Accounts”) for whom the Undersigned holds contractual and investment authority (each, including the Undersi

Form of Purchase Agreement with certain holders of 6.75% Convertible Senior Notes due 2026.

Exhibit 10.1 PURCHASE AGREEMENT The entity listed under “UNDERSIGNED” on the signature page hereto (the “Undersigned”), for itself and on behalf of the beneficial owners listed on Exhibit A hereto (“Accounts”) for whom the Undersigned holds contractual and investment authority (each Account, as well as the Undersigned if it is selling Notes (as defined below) hereunder, a “Holder”), enters into th

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 6, 2023 (December 5, 2023) HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdicti

Indenture, dated as of December 1, 2023, by and among Helix Energy Solutions Group, Inc., the guarantors listed therein and The Bank of New York Mellon Trust Company, N.A., as trustee.

Exhibit 4.1 HELIX ENERGY SOLUTIONS GROUP, INC. 9.750% SENIOR NOTES DUE 2029 INDENTURE DATED AS OF DECEMBER 1, 2023 THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., as Trustee TABLE OF CONTENTS Page ARTICLE I DEFINITIONS AND INCORPORATION BY REFERENCE Section 1.1. Definitions 1 Section 1.2. Other Definitions 30 Section 1.3. Rules of Construction 31 Section 1.4. Limited Condition Transaction. 31 ART

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 1, 2023 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdiction of incorporation

Helix Announces Pricing of Senior Notes Offering

Exhibit 99.1 Helix Announces Pricing of Senior Notes Offering HOUSTON, November 16, 2023―Helix Energy Solutions Group, Inc. (NYSE: HLX) (“Helix”) announced today it has priced $300 million in principal amount of 9.750% Senior Notes due 2029 (the “Notes”). Helix intends to use the net proceeds from the offering, together with cash on hand and shares of its common stock, as necessary, to pay the cos

Purchase Agreement, dated November 16, 2023, among Helix Energy Solutions Group, Inc., guarantors party thereto and Wells Fargo Securities, LLC, as representative of the several initial purchasers named therein.

Exhibit 10.1 $300,000,000 Helix Energy Solutions Group, Inc. 9.750% Senior Notes due 2029 PURCHASE AGREEMENT Dated: November 16, 2023 TABLE OF CONTENTS Page SECTION 1. Representations and Warranties 2 SECTION 2. Sale and Delivery to Initial Purchasers; Closing; Agreements to Sell, Purchase and Resell 18 SECTION 3. Covenants of the Company and the Guarantors 19 SECTION 4. Payment of Expenses 23 SEC

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 17, 2023 (November 16, 2023) HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdic

Helix Announces Proposed Offering of New Senior Notes

Exhibit 99.1 Helix Announces Proposed Offering of New Senior Notes HOUSTON, November 15, 2023―Helix Energy Solutions Group, Inc. (NYSE: HLX) (“Helix”) announced today its intention, subject to market and other conditions, to offer $300 million principal amount of Senior Notes due 2029 (the “Notes”). Helix intends to use the net proceeds from the offering, together with cash on hand and shares of i

Amendment No. 3, dated as of November 15, 2023, to Loan, Security and Guaranty Agreement dated as of September 30, 2021, among Helix Energy Solutions Group, Inc., Helix Well Ops Inc., Helix Robotics Solutions, Inc., Deepwater Abandonment Alternatives, Inc., Alliance Offshore, L.L.C., Triton Diving Services, LLC, Alliance Energy Services, LLC, Helix Well Ops (U.K.) Limited and Helix Robotics Solutions Limited as borrowers, the guarantors party thereto, the lenders party thereto, and Bank of America, N.A., as agent and security trustee for the lenders, as previously amended.

Exhibit 4.1 Execution Version AMENDMENT NO. 3 TO LOAN, SECURITY AND GUARANTY AGREEMENT This AMENDMENT NO. 3 TO LOAN, SECURITY AND GUARANTY AGREEMENT (this “Amendment”), dated as of November 15, 2023, is entered into by HELIX ENERGY SOLUTIONS GROUP, INC., a Minnesota corporation (“Helix”), HELIX WELL OPS INC., a Texas corporation (“Well Ops”), HELIX ROBOTICS SOLUTIONS, INC., a Texas corporation (“R

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 15, 2023 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdiction of incorporatio

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-3293

3505 W. Sam Houston Parkway N., Suite 400

EXHIBIT 99.1 PRESSRELEASE www.helixesg.com Helix Energy Solutions Group, Inc. ● 3505 W. Sam Houston Parkway N., Suite 400 ● Houston, TX 77043 ● 281-618-0400 ● fax: 281-618-0505 For Immediate Release 23-014 Date: October 23, 2023 Contact: Erik Staffeldt Executive Vice President & CFO Helix Reports Third Quarter 2023 Results HOUSTON, TX – Helix Energy Solutions Group, Inc. (“Helix”) (NYSE: HLX) repo

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 23, 2023 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdiction of incorporation

2 2 This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forward-looking statements. All statements, other th

October 24, 2023 Third Quarter Conference Call 2023 EXHIBIT 99.2 2 2 This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forward-looking statements. All statements, other than statements of historical fact, are "forward-looking statements" within the meaning

HELIX ENERGY SOLUTIONS GROUP, INC. MANDATORY RECOUPMENT POLICY

EXHIBIT 99.1 HELIX ENERGY SOLUTIONS GROUP, INC. MANDATORY RECOUPMENT POLICY 1.Introduction. The Compensation Committee (the “Committee”) and the Board of Directors (the “Board”) of Helix Energy Solutions Group, Inc. (the “Company”) believe that it is in the best interests of the Company and its shareholders to adopt this Mandatory Recoupment Policy (this “Policy”). This Policy is intended to compl

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 20, 2023 (September 18, 2023) HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisd

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 26, 2023 HELIX ENERGY SOLUTI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 26, 2023 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdiction of incorporation) (

2 2 This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forward-looking statements. All statements, other th

Exhibit 99.2 July 27, 2023 Second Quarter Conference Call 2023 2 2 This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forward-looking statements. All statements, other than statements of historical fact, are "forward-looking statements" within the meaning o

3505 W. Sam Houston Parkway N., Suite 400

EXHIBIT 99.1 PRESSRELEASE www.helixesg.com Helix Energy Solutions Group, Inc. ● 3505 W. Sam Houston Parkway N., Suite 400 ● Houston, TX 77043 ● 281-618-0400 ● fax: 281-618-0505 For Immediate Release 23-010 Date: July 26, 2023 Contact: Erik Staffeldt Executive Vice President & CFO Helix Reports Second Quarter 2023 Results HOUSTON, TX – Helix Energy Solutions Group, Inc. (“Helix”) (NYSE: HLX) report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-32936 HEL

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 23, 2023 HELIX ENERGY SOLUTI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 23, 2023 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdiction of incorporation) (

Amendment No. 2, dated as of June 23, 2023, to Loan, Security and Guaranty Agreement dated as of September 30, 2021, among Helix Energy Solutions Group, Inc., Helix Well Ops Inc., Helix Robotics Solutions, Inc., Deepwater Abandonment Alternatives, Inc., Alliance Offshore, L.L.C., Triton Diving Services, LLC, Alliance Energy Services, LLC, Helix Well Ops (U.K.) Limited and Helix Robotics Solutions Limited as borrowers, the guarantors party thereto, the lenders party thereto, and Bank of America, N.A., as agent and security trustee for the lenders, as previously amended.

EXHIBIT 4.1 AMENDMENT NO. 2 TO LOAN, SECURITY AND GUARANTY AGREEMENT This AMENDMENT NO. 2 TO LOAN, SECURITY AND GUARANTY AGREEMENT (this “Amendment”), dated as of June 23, 2023, is entered into by Helix Energy Solutions Group, Inc., a Minnesota corporation (“Helix”), Helix Well Ops Inc., a Texas corporation (“Well Ops”), Helix Robotics Solutions, Inc., a Texas corporation (“Robotics”), Deepwater A

Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 17, 2023 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdiction of incorporation) (C

Limited Power of Attorney for Section 13 Reporting Obligations

Exhibit 6 Limited Power of Attorney for Section 13 Reporting Obligations The undersigned hereby constitutes and appoints Erik Staffeldt and Kenneth E.

HLX / Helix Energy Solutions Group Inc / KRATZ OWEN E - SC 13D Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 Helix Energy Solutions Group, Inc. (Name of Issuer) Common Stock, no par value (Title of Class of Securities) 42330P107 (CUSIP Number) Kenneth E. Neikirk Executive Vice President, General Counsel and Corporate Secretary 3505 West Sam Houston Parkway North Suite 400 Houston

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-32936 HE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 24, 2023 HELIX ENERGY SOLUT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 24, 2023 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdiction of incorporation)

2 2 This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forward-looking statements. All statements, other th

Exhibit 99.2 April 25, 2023 First Quarter Conference Call 2023 2 2 This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forward-looking statements. All statements, other than statements of historical fact, are "forward-looking statements" within the meaning o

3505 W. Sam Houston Parkway N., Suite 400

EXHIBIT 99.1 PRESSRELEASE www.helixesg.com Helix Energy Solutions Group, Inc. ● 3505 W. Sam Houston Parkway N., Suite 400 ● Houston, TX 77043 ● 281-618-0400 ● fax: 281-618-0505 For Immediate Release 23-007 Date: April 24, 2023 Contact: Erik Staffeldt Executive Vice President & CFO Helix Reports First Quarter 2023 Results HOUSTON, TX – Helix Energy Solutions Group, Inc. (“Helix”) (NYSE: HLX) report

ARS

Annual Report 2022 2022 HelixESG 10-K Annual Report Wrap 04-03-23 FINAL TO PRINTER.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the registrant ☒ Filed by a party other than the registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ CONFIDENTIAL, FOR USE OF THE COMMISSION ONLY (AS PERMITTED BY RULE 14A-6(E

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the registrant ☒ Filed by a party other than the registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ CONFIDENTIAL, FOR USE OF THE COMMISSION ONLY (AS PERMITTED BY RULE 14A-6(E)(2)) ☐ Definitive

2 2 INTRODUCTION Forward-Looking Statements This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forward-look

Exhibit 99.1 March 2023 Helix Energy Solutions Company Update 2 2 INTRODUCTION Forward-Looking Statements This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forward-looking statements. All statements, other than statements of historical fact, are "forward-l

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 17, 2023 HELIX ENERGY SOLUT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 17, 2023 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdiction of incorporation)

Unaudited Pro Forma Condensed Combined Financial Information of Helix for the year ended December 31, 2022.

EXHIBIT 99.1 UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION On July 1, 2022, Helix Energy Solutions Group, Inc. (“Helix”) completed the previously announced acquisition of the Alliance group of companies (collectively, “Alliance”), pursuant to which Helix purchased all of the equity interests of Alliance (the “Acquisition”). The Acquisition was made pursuant to an Equity Purchase Agr

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-32936 HELIX EN

Letter Agreement, dated as of January 25, 2023, to Loan, Security and Guaranty Agreement, among Helix Energy Solutions Group, Inc., Helix Well Ops Inc., Helix Robotics Solutions, Inc., Deepwater Abandonment Alternatives, Inc., Helix Well Ops (U.K.) Limited and Helix Robotics Solutions Limited as borrowers, the guarantors party thereto, the lenders party thereto, and Bank of America, N.A., as agent and security trustee for the lenders.

EXHIBIT 4.32 January 25, 2023 Helix Energy Solutions Group, Inc. 3505 W. Sam Houston Pkwy N, Suite 400 Houston, Texas 77043 Attention: Erik Staffeldt RE: LOAN, SECURITY AND GUARANTY AGREEMENT dated as of September 30, 2021 (as amended, modified or supplemented from time to time, the “Loan Agreement”), among HELIX ENERGY SOLUTIONS GROUP, INC., a Minnesota corporation (“Helix”), HELIX WELL OPS INC.,

List of Helix’s Subsidiaries.

EXHIBIT 21.1 Name of Subsidiary Jurisdiction of Formation AES-EOT Equipment Holdings, LLC Louisiana Alliance Energy Services, LLC Louisiana Alliance Industry Holdings, LLC Louisiana Alliance LB Dallas Holdings, LLC Louisiana Alliance LB Miami Holdings, LLC Louisiana Alliance Liftboats, LLC Louisiana Alliance Maritime Holdings, LLC Louisiana Alliance Offshore, LLC Louisiana Alliance Special Venture

This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forward-looking statements. All statements, other than s

Exhibit 99.2 February 21, 2023 Fourth Quarter 2022 Conference Call This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forward-looking statements. All statements, other than statements of historical fact, are "forward-looking statements" within the meaning o

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 21, 2023 (February 20, 2

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 21, 2023 (February 20, 2023) HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdic

3505 W. Sam Houston Parkway N., Suite 400

EXHIBIT 99.3 PRESSRELEASE www.helixesg.com Helix Energy Solutions Group, Inc. ● 3505 W. Sam Houston Parkway N., Suite 400 ● Houston, TX 77043 ● 281-618-0400 ● fax: 281-618-0505 For Immediate Release 23-002 Date: February 20, 2023 Contact: Erik Staffeldt Executive Vice President & CFO Helix Announces $200 Million Share Repurchase Program HOUSTON, TX – Helix Energy Solutions Group, Inc. (“Helix”) (N

3505 W. Sam Houston Parkway N., Suite 400

EXHIBIT 99.1 PRESSRELEASE www.helixesg.com Helix Energy Solutions Group, Inc. ● 3505 W. Sam Houston Parkway N., Suite 400 ● Houston, TX 77043 ● 281-618-0400 ● fax: 281-618-0505 For Immediate Release 23-003 Date: February 20, 2023 Contact: Erik Staffeldt Executive Vice President & CFO Helix Reports Fourth Quarter and Full Year 2022 Results HOUSTON, TX – Helix Energy Solutions Group, Inc. (“Helix”)

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 17, 2023 (February 14, 2023) HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdic

HLX / Helix Energy Solutions Group Inc / DIMENSIONAL FUND ADVISORS LP - SEC SCHEDULE 13G Passive Investment

SC 13G 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Helix Energy Solutions Group Inc (Name of Issuer) Common Stock (Title of Class of Securities) 42330P107 (CUSIP Number) December 30, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropria

HLX / Helix Energy Solutions Group Inc / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 12)* Name of issuer: Helix Energy Solutions Group Inc. Title of Class of Securities: Common Stock CUSIP Number: 42330P107 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate box to designate the rule pursuant to which this Sched

HLX / Helix Energy Solutions Group Inc / VICTORY CAPITAL MANAGEMENT INC Passive Investment

SC 13G/A 1 helixenergy13ga4123122.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 ( Amendment No. 4)* Helix Energy Solutions Group Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 42330P107 (CUSIP Number) December 31, 2022 (Date of Event which Requires Filing of this Statement) Check the appropriate

HLX / Helix Energy Solutions Group Inc / BlackRock Inc. Passive Investment

SC 13G/A 1 us42330p1075012623.txt us42330p1075012623.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 16) HELIX ENERGY SOLUTIONS GROUP INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 42330P107 - (CUSIP Number) December 31, 2022 - (Date of Event Which Requires Filing of this Statement) Check the

HLX / Helix Energy Solutions Group Inc / BlackRock Inc. Passive Investment

SC 13G/A 1 us42330p1075012023.txt us42330p1075012023.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 15) HELIX ENERGY SOLUTIONS GROUP INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 42330P107 - (CUSIP Number) December 31, 2022 - (Date of Event Which Requires Filing of this Statement) Check the

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 15, 2022 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdiction of incorporatio

Referencesinthispresentationto“our”or“Helix”meansHelixEnergySolutionsGroup,Inc.,togetherwithoursubsidiaries.Referencesin thispresentationto“Alliance”meansHelixAllianceDecom,LLC,awholly-ownedsubsidiaryofHelix.Thispresentationcontainsforward- lookingst

Exhibit 99.1 NOVEMBER 2022 Helix Energy Solutions Company Update Referencesinthispresentationto?our?or?Helix?meansHelixEnergySolutionsGroup,Inc.,togetherwithoursubsidiaries.Referencesin thispresentationto?Alliance?meansHelixAllianceDecom,LLC,awholly-ownedsubsidiaryofHelix.Thispresentationcontainsforward- lookingstatementsthatinvolverisks,uncertaintiesandassumptionsthatcouldcauseourresultstodifferm

Filing Fee Table.

EX-FILING FEES 8 d415091dexfilingfees.htm EX-FILING FEES Exhibit 107 Calculation of Filing Fee Tables Form S-3ASR (Form Type) Helix Energy Solutions Group, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title(1) Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per

Power of Attorney (contained in signature page).

Table of Contents As filed with the Securities and Exchange Commission on October 28, 2022 Registration No.

Statement of Eligibility of Trustee under the Senior Indenture on Form T-1.

Exhibit 25.1 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE ? CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A TRUSTEE PURSUANT TO SECTION 305(b)(2) THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A. (Exact name of trustee as specified in its charter) N/A

Statement of Eligibility of Trustee under the Subordinated Indenture on Form T-1.

Exhibit 25.2 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE ? CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A TRUSTEE PURSUANT TO SECTION 305(b)(2) THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A. (Exact name of trustee as specified in its charter) N/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-3293

3505 W. Sam Houston Parkway N., Suite 400

EXHIBIT 99.1 ? ? ? ? ? PRESSRELEASE www.helixesg.com ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? Helix Energy Solutions Group, Inc. ? 3505 W. Sam Houston Parkway N., Suite 400 ? Houston, TX 77043 ? 281-618-0400 ? fax: 281-618-0505 ? ? ? ? ? ? ? ? ? For Immediate Release ? ? ? ? ? ? 22-019 ? ? ? ? ? ? ? ? ? Date: October 24, 2022 Contact: Erik Staffeldt ? ? ? ? ? ? ? Executive Vice President & CFO ? ? ?

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 24, 2022 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) ? ? ? ? Minnesota 001-32936 95-3409686 (State or other jurisdiction of i

Thispresentationcontainsforward-lookingstatementsthatinvolverisks,uncertaintiesandassumptionsthatcouldcauseourresultsto differmateriallyfromthoseexpressedorimpliedbysuchforward-lookingstatements.Allstatements,otherthanstatementsofhistorical fact,are“

Exhibit 99.2 October 25, 2022 Third Quarter 2022 Conference Call Thispresentationcontainsforward-lookingstatementsthatinvolverisks,uncertaintiesandassumptionsthatcouldcauseourresultsto differmateriallyfromthoseexpressedorimpliedbysuchforward-lookingstatements.Allstatements,otherthanstatementsofhistorical fact,are?forward-lookingstatements?withinthemeaningofthePrivateSecuritiesLitigationReformActof

3505 W. Sam Houston Parkway N., Suite 400

EXHIBIT 99.1 ? ? ? ? ? PRESSRELEASE www.helixesg.com ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? Helix Energy Solutions Group, Inc. ? 3505 W. Sam Houston Parkway N., Suite 400 ? Houston, TX 77043 ? 281-618-0400 ? fax: 281-618-0505 ? ? ? ? ? ? ? ? ? For Immediate Release ? ? ? ? ? ? 22-017 ? ? ? ? ? ? ? ? ? Date: September 26, 2022 Contact: Erik Staffeldt ? ? ? ? ? ? ? Executive Vice President & CFO ? ?

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 26, 2022 (September 20, 2022) HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) ? Minnesota 001-32936 95-3409686 (State or other

ALLIANCE MARITIME HOLDINGS, LLC AND RELATED ENTITIES CONDENSED COMBINED CONSOLIDATED FINANCIAL STATEMENTS June 30, 2022

? ? EXHIBIT 99.2 ? ? ? ? ? ? ALLIANCE MARITIME HOLDINGS, LLC AND RELATED ENTITIES ? CONDENSED COMBINED CONSOLIDATED FINANCIAL STATEMENTS ? June 30, 2022 ? ? ? ? ? ? ? ? Table of Contents TABLE OF CONTENTS ? ? ? ? ? ? PAGE ? ? ? Condensed Combined Consolidated Financial Statements ? ? ? ? ? Condensed Combined Consolidated Balance Sheet (Unaudited) 3 ? ? ? ? Condensed Combined Consolidated Statement

UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION

? ? EXHIBIT 99.3 UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION On July 1, 2022, Helix Energy Solutions Group, Inc. (?Helix?) completed the previously announced acquisition of the Alliance group of companies (collectively, ?Alliance?), pursuant to which Helix purchased all of the equity interests of Alliance (the ?Acquisition?). The Acquisition was made pursuant to an Equity Purchase

ALLIANCE MARITIME HOLDINGS, LLC AND RELATED ENTITIES COMBINED CONSOLIDATED FINANCIAL STATEMENTS December 31, 2021

? ? EXHIBIT 99.1 ? ? ? ? ? ? ALLIANCE MARITIME HOLDINGS, LLC AND RELATED ENTITIES ? COMBINED CONSOLIDATED FINANCIAL STATEMENTS ? December 31, 2021 ? ? ? ? ? ? ? ? Table of Contents TABLE OF CONTENTS ? ? ? ? ? ? PAGE ? ? ? Independent Auditors? Report 3 ? ? ? Combined Consolidated Financial Statements ? ? ? ? ? Combined Consolidated Balance Sheet 5 ? ? ? ? Combined Consolidated Statement of Operati

Financial Statements and Exhibits

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K/A (Amendment No. 1) CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 1, 2022 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) ? ? ? ? Minnesota 001-32936 95-3409686 (State or other j

Regulation FD Disclosure, Financial Statements and Exhibits

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 6, 2022 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) ? Minnesota 001-32936 95-3409686 (State or other jurisdiction of incorp

Referencesinthispresentationto“our”or“Helix”meansHelixEnergySolutionsGroup,Inc.,togetherwithoursubsidiaries.Referencesin thispresentationto“Alliance”meansHelixAllianceDecom,LLC,awholly-ownedsubsidiaryofHelix.Thispresentationcontainsforward- lookingst

Exhibit 99.1 SEPTEMBER 2022 Helix Energy Solutions Company Update Referencesinthispresentationto?our?or?Helix?meansHelixEnergySolutionsGroup,Inc.,togetherwithoursubsidiaries.Referencesin thispresentationto?Alliance?meansHelixAllianceDecom,LLC,awholly-ownedsubsidiaryofHelix.Thispresentationcontainsforward- lookingstatementsthatinvolverisks,uncertaintiesandassumptionsthatcouldcauseourresultstodiffer

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-Q

Table of Contents ? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

Thispresentationcontainsforward-lookingstatementsthatinvolverisks,uncertaintiesandassumptionsthatcouldcauseourresultsto differmateriallyfromthoseexpressedorimpliedbysuchforward-lookingstatements.Allstatements,otherthanstatementsofhistorical fact,are“

Exhibit 99.2 July 26, 2022 Second Quarter 2022 Conference Call Thispresentationcontainsforward-lookingstatementsthatinvolverisks,uncertaintiesandassumptionsthatcouldcauseourresultsto differmateriallyfromthoseexpressedorimpliedbysuchforward-lookingstatements.Allstatements,otherthanstatementsofhistorical fact,are“forward-lookingstatements”withinthemeaningofthePrivateSecuritiesLitigationReformActof19

3505 W. Sam Houston Parkway N., Suite 400

EX-99.1 2 hlx-20220725xex99d1.htm EX-99.1 EXHIBIT 99.1 PRESSRELEASE www.HelixESG.com Helix Energy Solutions Group, Inc. ● 3505 W. Sam Houston Parkway N., Suite 400 ● Houston, TX 77043 ● 281-618-0400 ● fax: 281-618-0505 For Immediate Release 22-013 Date: July 25, 2022 Contact: Erik Staffeldt Executive Vice President & CFO Helix Reports Second Quarter 2022 Results HOUSTON, TX – Helix Energy Solution

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 25, 2022 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) ? ? ? ? Minnesota 001-32936 95-3409686 (State or other jurisdiction of inco

Amendment No. 1, dated as of July 1, 2022, to Loan, Security and Guaranty Agreement, among Helix Energy Solutions Group, Inc., Helix Well Ops Inc., Helix Robotics Solutions, Inc., Deepwater Abandonment Alternatives, Inc., Helix Well Ops (U.K.) Limited and Helix Robotics Solutions Limited as borrowers, the guarantors party thereto, the lenders party thereto, and Bank of America, N.A., as agent and security trustee for the lenders.

EXHIBIT 4.1 ? AMENDMENT NO. 1 TO LOAN, SECURITY AND GUARANTY AGREEMENT This AMENDMENT NO. 1 TO LOAN, SECURITY AND GUARANTY AGREEMENT (this ?Amendment?), dated as of July 1, 2022, is entered into by HELIX ENERGY SOLUTIONS GROUP, INC., a Minnesota corporation (?Helix?), HELIX WELL OPS INC., a Texas corporation (?Well Ops?), HELIX ROBOTICS SOLUTIONS, INC., a Texas corporation (?Robotics?), DEEPWATER

Equity Purchase Agreement, dated as of May 16, 2022, by and among Helix Alliance Decom, LLC, Stephen J. Williams and Helix Energy Solutions Group, Inc. (solely for purposes of Sections 1.05(d) and 6.14).

EXHIBIT 2.1 ? CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. [***] INDICATES THAT INFORMATION HAS BEEN REDACTED. ? EQUITY PURCHASE AGREEMENT ? BY AND AMONG ? HELIX ALLIANCE DECOM, LLC, ? STEPHEN J. WILLIAMS, ? AND ? ? HELIX ENERGY SOLUTIONS GROUP, INC., (solely for purpos

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Completion of Acquisition or Disposition of Assets

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 1, 2022 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) ? Minnesota 001-32936 95-3409686 (State or other jurisdiction of incorporati

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 27, 2022 (May 25, 2022) HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) ? Minnesota 001-32936 95-3409686 (State or other jurisdiction

Thispresentationcontainsforward-lookingstatementsthatinvolverisks,uncertaintiesandassumptionsthatcouldcauseourresultsto differmateriallyfromthoseexpressedorimpliedbysuchforward-lookingstatements.Allstatements,otherthanstatementsofhistorical fact,are“

Exhibit 99.1 MAY 2022 Helix Energy Solutions Company Update Thispresentationcontainsforward-lookingstatementsthatinvolverisks,uncertaintiesandassumptionsthatcouldcauseourresultsto differmateriallyfromthoseexpressedorimpliedbysuchforward-lookingstatements.Allstatements,otherthanstatementsofhistorical fact,are“forward-lookingstatements”withinthemeaningofthePrivateSecuritiesLitigationReformActof1995,

Regulation FD Disclosure, Financial Statements and Exhibits

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 20, 2022 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) ? Minnesota 001-32936 95-3409686 (State or other jurisdiction of incorporati

Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 20, 2022 (May 18, 2022) HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) ? Minnesota 001-32936 95-3409686 (State or other jurisdiction

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 17, 2022 (May 16, 2022) HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) ? Minnesota 001-32936 95-3409686 (State or other jurisdiction

3505 W. Sam Houston Parkway N., Suite 400

EXHIBIT 99.1 ? ? ? ? ? PRESSRELEASE www.HelixESG.com ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? Helix Energy Solutions Group, Inc. ? 3505 W. Sam Houston Parkway N., Suite 400 ? Houston, TX 77043 ? 281-618-0400 ? fax: 281-618-0505 ? ? ? ? ? ? ? ? ? For Immediate Release ? ? ? ? ? ? 22-009 ? ? ? ? ? ? ? ? ? Date: May 17, 2022 Contact: Erik Staffeldt ? ? ? ? ? ? ? Executive Vice President & CFO ? ? ? ? ?

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-Q

Table of Contents ? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

Thispresentationcontainsforward-lookingstatementsthatinvolverisks,uncertaintiesandassumptionsthatcouldcauseourresultsto differmateriallyfromthoseexpressedorimpliedbysuchforward-lookingstatements.Allstatements,otherthanstatementsofhistorical fact,are“

Exhibit 99.2 April 26, 2022 First Quarter 2022 Conference Call Thispresentationcontainsforward-lookingstatementsthatinvolverisks,uncertaintiesandassumptionsthatcouldcauseourresultsto differmateriallyfromthoseexpressedorimpliedbysuchforward-lookingstatements.Allstatements,otherthanstatementsofhistorical fact,are?forward-lookingstatements?withinthemeaningofthePrivateSecuritiesLitigationReformActof19

3505 W. Sam Houston Parkway N., Suite 400

EXHIBIT 99.1 ? ? ? ? ? PRESSRELEASE www.HelixESG.com ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? Helix Energy Solutions Group, Inc. ? 3505 W. Sam Houston Parkway N., Suite 400 ? Houston, TX 77043 ? 281-618-0400 ? fax: 281-618-0505 ? ? ? ? ? ? ? ? ? For Immediate Release ? ? ? ? ? ? 22-008 ? ? ? ? ? ? ? ? ? Date: April 25, 2022 Contact: Erik Staffeldt ? ? ? ? ? ? ? Executive Vice President & CFO ? ? ? ?

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 25, 2022 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) ? ? ? ? Minnesota 001-32936 95-3409686 (State or other jurisdiction of inc

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the registrant ? Filed by a party other than the registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? CONFIDENTIAL, FOR USE OF THE COMMISSION ONLY (AS PERMITTED BY RULE 14A-6(E)(2)) ? Definitive

Schedule 14A

DEF 14A 1 d288312ddef14a.htm DEF 14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the registrant ☒ Filed by a party other than the registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ CONFIDENTIAL, FOR USE OF THE COMMISSI

Helix Energy Solutions Company Update March 2022 Thispresentationcontainsforward-lookingstatementsthatinvolverisks,uncertaintiesandassumptionsthatcouldcauseourresultsto differmateriallyfromthoseexpressedorimpliedbysuchforward-lookingstatements.Allsta

Exhibit 99.1 Helix Energy Solutions Company Update March 2022 Thispresentationcontainsforward-lookingstatementsthatinvolverisks,uncertaintiesandassumptionsthatcouldcauseourresultsto differmateriallyfromthoseexpressedorimpliedbysuchforward-lookingstatements.Allstatements,otherthanstatementsofhistorical fact,are?forward-lookingstatements?withinthemeaningofthePrivateSecuritiesLitigationReformActof199

Regulation FD Disclosure, Financial Statements and Exhibits

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 21, 2022 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) ? Minnesota 001-32936 95-3409686 (State or other jurisdiction of incorpora

Code of Ethics for Chief Executive Officer and Senior Financial Officers.

EXHIBIT 14.1 ? Helix Energy Solutions Group, Inc. Code of Ethics for Chief Executive Officer and Senior Financial Officers Introductory Note This Code of Ethics for Chief Executive Officer and Senior Financial Officers (the ?Senior Officers Code?) of Helix Energy Solutions Group, Inc. (the ?Company?) has been adopted by the Company?s Board of Directors (the ?Board?) in accordance with Section 406

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K

Table of Contents ? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

List of Helix’s Subsidiaries.

EXHIBIT 21.1 ? ? ? Name of Subsidiary Jurisdiction of Formation Cal Dive I-Title XI, Inc. Texas Deepwater Abandonment Alternatives, Inc. Texas Energy Resource Technology (U.K.) Limited Scotland ERT Camelot Limited Scotland Helix do Brasil Servi?os de Petr?leo Ltda. Brazil Helix Energy Solutions (U.K.) Limited Scotland Helix Offshore Crewing Services Limited Scotland Helix Offshore Crewing Services

3505 W. Sam Houston Parkway N., Suite 400

EXHIBIT 99.1 ? ? ? ? ? PRESSRELEASE www.HelixESG.com ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? Helix Energy Solutions Group, Inc. ? 3505 W. Sam Houston Parkway N., Suite 400 ? Houston, TX 77043 ? 281-618-0400 ? fax: 281-618-0505 ? ? ? ? ? ? ? ? ? For Immediate Release ? ? ? ? ? ? 22-003 ? ? ? ? ? ? ? ? ? Date: February 21, 2022 Contact: Erik Staffeldt ? ? ? ? ? ? ? Executive Vice President & CFO ? ? ?

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 22, 2022 (February 21, 2022) HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) ? ? ? ? Minnesota 001-32936 95-3409686 (State or ot

February 22, 2022 Fourth Quarter 2021 Conference Call Thispresentationcontainsforward-lookingstatementsthatinvolverisks,uncertaintiesandassumptionsthatcouldcauseourresultsto differmateriallyfromthoseexpressedorimpliedbysuchforward-lookingstatements.A

Exhibit 99.2 February 22, 2022 Fourth Quarter 2021 Conference Call Thispresentationcontainsforward-lookingstatementsthatinvolverisks,uncertaintiesandassumptionsthatcouldcauseourresultsto differmateriallyfromthoseexpressedorimpliedbysuchforward-lookingstatements.Allstatements,otherthanstatementsofhistorical fact,are?forward-lookingstatements?withinthemeaningofthePrivateSecuritiesLitigationReformAct

HLX / Helix Energy Solutions Group Inc / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 11)* Name of issuer: Helix Energy Solutions Group Inc. Title of Class of Securities: Common Stock CUSIP Number: 42330P107 Date of Event Which Requires Filing of this Statement: December 31, 2021 Check the appropriate box to designate the rule pursuant to which this Sched

HLX / Helix Energy Solutions Group Inc / DIMENSIONAL FUND ADVISORS LP - SEC SCHEDULE 13G Passive Investment

SC 13G/A 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 10 )* Helix Energy Solutions Group Inc (Name of Issuer) Common Stock (Title of Class of Securities) 42330P107 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appr

HLX / Helix Energy Solutions Group Inc / BlackRock Inc. Passive Investment

SC 13G/A 1 us42330p1075020722.txt us42330p1075020722.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 14) HELIX ENERGY SOLUTIONS GROUP INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 42330P107 - (CUSIP Number) December 31, 2021 - (Date of Event Which Requires Filing of this Statement) Check the

HLX / Helix Energy Solutions Group Inc / VICTORY CAPITAL MANAGEMENT INC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 ( Amendment No. 3)* Helix Energy Solutions Group Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 42330P107 (CUSIP Number) December 31, 2021 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to

As filed with the Securities and Exchange Commission on January 14, 2022

As filed with the Securities and Exchange Commission on January 14, 2022 Registration No.

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 9, 2021 (December 8, 2021) HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdicti

Helix Energy Solutions Company Update December 2021 FORWARD-LOOKING STATEMENTS 2 This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expr

Exhibit 99.1 Helix Energy Solutions Company Update December 2021 FORWARD-LOOKING STATEMENTS 2 This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forward-looking statements. All statements, other than statements of historical fact, are ?forward-looking state

Regulation FD Disclosure, Financial Statements and Exhibits

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 3, 2021 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) ? Minnesota 001-32936 95-3409686 (State or other jurisdiction of incorpo

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-Q

Table of Contents ? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

October 21, 2021 Third Quarter 2021 Conference Call This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forw

Exhibit 99.2 October 21, 2021 Third Quarter 2021 Conference Call This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forward-looking statements. All statements, other than statements of historical fact, are ?forward-looking statements? within the meaning of

3505 W. Sam Houston Parkway N., Suite 400

EX-99.1 2 hlx-20211020xex99d1.htm EX-99.1 EXHIBIT 99.1 PRESSRELEASE www.HelixESG.com Helix Energy Solutions Group, Inc. ● 3505 W. Sam Houston Parkway N., Suite 400 ● Houston, TX 77043 ● 281-618-0400 ● fax: 281-618-0505 For Immediate Release 21-014 Date: October 20, 2021 Contact: Erik Staffeldt Executive Vice President & CFO Helix Reports Third Quarter 2021 Results HOUSTON, TX – Helix Energy Soluti

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 20, 2021 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) ? ? ? ? Minnesota 001-32936 95-3409686 (State or other jurisdiction of i

Loan, Guaranty and Security Agreement, dated as of September 30, 2021, among Helix Energy Solutions Group, Inc., Helix Well Ops Inc., Helix Robotics Solutions, Inc., Deepwater Abandonment Alternatives, Inc., Helix Well Ops (U.K.) Limited and Helix Robotics Solutions Limited as Borrowers, the Lenders from time to time party thereto, and Bank of America, N.A. as Agent.

EXHIBIT 4.1 ? LOAN, SECURITY AND GUARANTY AGREEMENT Dated as of September 30, 2021 ? Helix Energy Solutions Group, Inc., HELIX WELL OPS INC., HELIX ROBOTICS SOLUTIONS, INC., deepwater abandonment alternatives, inc. as Initial U.S. Borrowers, HELIX WELL OPS (U.K.) LIMITED, HELIX ROBOTICS SOLUTIONS LIMITED, as Initial U.K. Borrowers, ? BANK OF AMERICA, N.A., as Agent ? BANK OF AMERICA, N.A., as Lead

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 30, 2021 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) ? Minnesota 001-32936 95-3409686 (State or other jurisdiction of incor

3505 W. Sam Houston Parkway N., Suite 400

EXHIBIT 99.1 ? ? ? ? ? PRESSRELEASE www.HelixESG.com ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? Helix Energy Solutions Group, Inc. ? 3505 W. Sam Houston Parkway N., Suite 400 ? Houston, TX 77043 ? 281-618-0400 ? fax: 281-618-0505 ? ? ? ? ? ? ? ? ? For Immediate Release ? ? ? ? ? ? 21-012 ? ? ? ? ? ? ? ? ? Date: September 30, 2021 Contact: Erik Staffeldt ? ? ? ? ? ? ? Executive Vice President & CFO ? ?

Regulation FD Disclosure, Financial Statements and Exhibits

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 7, 2021 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) ? Minnesota 001-32936 95-3409686 (State or other jurisdiction of incorp

This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forward-looking statements. All statements, other than s

Exhibit 99.1 Helix Energy Solutions Company Update September 2021 EXHIBIT 99.1 This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forward-looking statements. All statements, other than statements of historical fact, are ?forward-looking statements? within t

HLX / Helix Energy Solutions Group Inc / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 10)* Name of issuer: Helix Energy Solutions Group Inc. Title of Class of Securities: Common Stock CUSIP Number: 42330P107 Date of Event Which Requires Filing of this Statement: July 30, 2021 Check the appropriate box to designate the rule pursuant to which this Schedule

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-Q

Table of Contents ? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

3505 W. Sam Houston Parkway N., Suite 400

EXHIBIT 99.1 ? ? ? ? ? PRESSRELEASE www.HelixESG.com ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? Helix Energy Solutions Group, Inc. ? 3505 W. Sam Houston Parkway N., Suite 400 ? Houston, TX 77043 ? 281-618-0400 ? fax: 281-618-0505 ? ? ? ? ? ? ? ? ? For Immediate Release ? ? ? ? ? ? 21-010 ? ? ? ? ? ? ? ? ? Date: July 26, 2021 Contact: Erik Staffeldt ? ? ? ? ? ? ? Executive Vice President & CFO ? ? ? ? ?

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 26, 2021 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) ? ? ? ? Minnesota 001-32936 95-3409686 (State or other jurisdiction of inco

July 27, 2021 Second Quarter 2021 Conference Call This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forwar

Exhibit 99.2 July 27, 2021 Second Quarter 2021 Conference Call This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forward-looking statements. All statements, other than statements of historical fact, are ?forward-looking statements? within the meaning of th

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 23, 2021 (July 22,2021) HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) ? Minnesota 001-32936 95-3409686 (State or other jurisdictio

3505 W. Sam Houston Parkway N., Suite 400

EX-99.1 2 hlx-20210723ex991500c98.htm EX-99.1 EXHIBIT 99.1 PRESSRELEASE www.HelixESG.com Helix Energy Solutions Group, Inc. ● 3505 W. Sam Houston Parkway N., Suite 400 ● Houston, TX 77043 ● 281-618-0400 ● fax: 281-618-0505 For Immediate Release 21-009 Date: July 23, 2021 Contact: Erik Staffeldt Executive Vice President & CFO Helix Appoints T. Mitch Little as New Director HOUSTON, TX – Helix Energy

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 21, 2021 (May 19,2021) HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) Minnesota 001-32936 95-3409686 (State or other jurisdiction of inc

Quarterly Report - 10-Q

Table of Contents ? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forward-looking statements. All statements, other than s

Exhibit 99.2 April 27, 2021 First Quarter 2021 Conference Call EXHIBIT 99.2 This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forward-looking statements. All statements, other than statements of historical fact, are ?forward-looking statements? within the

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 26, 2021 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) ? ? ? ? Minnesota 001-32936 95-3409686 (State or other jurisdiction of inc

3505 W. Sam Houston Parkway N., Suite 400

EXHIBIT 99.1 ? ? ? ? ? PRESSRELEASE www.HelixESG.com ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? Helix Energy Solutions Group, Inc. ? 3505 W. Sam Houston Parkway N., Suite 400 ? Houston, TX 77043 ? 281-618-0400 ? fax: 281-618-0505 ? ? ? ? ? ? ? ? ? For Immediate Release ? ? ? ? ? ? 21-006 ? ? ? ? ? ? ? ? ? Date: April 26, 2021 Contact: Erik Staffeldt ? ? ? ? ? ? ? Executive Vice President & CFO ? ? ? ?

- DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the registrant ? Filed by a party other than the registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? CONFIDENTIAL, FOR USE OF THE COMMISSION ONLY (AS PERMITTED BY RULE 14A-6(E)(2)) ? Definitive

Schedule 14A

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the registrant ? Filed by a party other than the registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? CONFIDENTIAL, FOR USE OF THE COMMISSION ONLY (AS PERMITTED BY RULE 14A-6(E

Regulation FD Disclosure, Financial Statements and Exhibits

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 1, 2021 HELIX ENERGY SOLUTIONS GROUP, INC. (Exact name of registrant as specified in its charter) ? Minnesota 001-32936 95-3409686 (State or other jurisdiction of incorporat

This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forward-looking statements. All statements, other than s

Exhibit 99.1 EXHIBIT 99.1 This presentation contains forward-looking statements that involve risks, uncertainties and assumptions that could cause our results to differ materially from those expressed or implied by such forward-looking statements. All statements, other than statements of historical fact, are “forward-looking statements” within the meaning of the Private Securities Litigation Refor