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CORPORATE SERVICES AGREEMENT
 DATED DECEMBER 14, 2006
 BETWEEN
 HELIX ENERGY SOLUTIONS GROUP, INC.
 AND
 CAL DIVE INTERNATIONAL, INC.




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CORPORATE SERVICES AGREEMENT
 Agreement Helix Cal
Dive Section 1.1 Section 1.2
  Master Agreement Separation
     ARTICLE I
DEFINITIONS
 Section 1.1 Certain Defined Terms .
  Helix Business
 Information Systems




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Intellectual Property clauses (i) (vi)
 Provider
 Recipient
 Recipient Group
 Representative
 Service Termination Date Section 9.1(a) Section 9.1(a)
 Software
 Tax Matters Agreement
 Technology
 -2-




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Trigger Date
 Section 1.2 Other Terms .
  Term
    
    SectionAffiliate
    
    Master AgreementAfter-Tax Basis
    
    Master AgreementAgreement
    
    PreambleBreaching Party
    
    Section 9.1(a)Cal Dive Confidential Information
    
    Master AgreementCal Dive Group
    
    Master AgreementCal Dive Indemnified Parties
    
    Section 3.1(d)Cal Dive Vendor Agreements
    
    Section 3.1(b)Closing
    
    Master AgreementClosing Date
    
    Master AgreementConsents
    
    Section 5.2Force Majeure
    
    Master AgreementGroup
    
    Master AgreementHelix
    
    PreambleHelix Confidential Information
    
    Master AgreementHelix Group
    
    Master AgreementHelix Indemnified Parties
    
    Section 3.1(c)Helix Vendor Agreements
    
    Section 3.1(a)Laws
    
    Master AgreementLiabilities
    
    Master AgreementNon-Breaching Party
    
    Section 9.1(a)Services
    
    Section 2.1(a)Service Charges
    
    Section 5.1(a)Standard for Services
    
    Section 6.1Substitute Service
    
    Section 2.1(a)Taxes
    
    Master Agreement
 ARTICLE II
SERVICES AND TERMS
 Section 2.1 Services; Scope .
 Section 9.1
 -3-




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Schedule A Services Section 10.3(a) provided however provided that Substitute Service Schedule A
    -4-




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Section 2.2 Performance and Receipt of Services .
     Section 2.3 WARRANTIES .
  ARTICLE III
OTHER ARRANGEMENTS
 Section 3.1 Vendor Agreements .
 Helix Vendor
 -5-




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Agreements
 Cal Dive Vendor
Agreements
 Helix Indemnified
Parties
 Cal Dive
Indemnified Parties
 ARTICLE IV
ADDITIONAL AGREEMENTS
 Section 4.1 Leases .
 Schedule B
 -6-




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Section 4.2 Computer-Based Resources .
 provided that
 Section 4.3 Access .
  ARTICLE V
COSTS AND DISBURSEMENTS; PAYMENTS
 Section 5.1 Service Charges .
 Schedule A Service Charges Other Costs provided that
 provided that
 -7-




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Section 5.2 Consents .
 Section 5.2
 ARTICLE VI
STANDARD FOR SERVICE; COMPLIANCE WITH LAWS
 Section 6.1 Standard for Service .
 Schedule A Schedule C Standard
for Services
 Section 6.2 Compliance with Laws .
 provided however
 -8-




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ARTICLE VII
INDEMNIFICATION; LIMITATION ON LIABILITY
 Section 7.1 Limited Liability of a Provider .
 Section 6.1 Provider Indemnified
Party provided however
 Section 7.2 Indemnification by Each Provider .
 Recipient Indemnified
Party provided that Article VII
 Section 7.3 Indemnification by Each Recipient .
  -9-




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Section 7.4 Indemnification Matters; Exclusivity .
 Article VII Sections 3.1(c) 3.1(d) Article VII Sections 3.1(c) 3.1(d)
 Section 7.5 Limitation on Liability .
 Notwithstanding any other provision contained in this Agreement, Helix and Cal Dive agree on
their behalf, and on behalf of their respective Groups, that no member of the Helix Group on the
one hand, and no member of the Cal Dive Group, on the other hand, will be liable to any member of
the other Group, whether based on contract, tort (including negligence), warranty or any other
legal or equitable grounds, for any special, indirect, punitive, incidental or consequential
losses, damages or expenses of the other Group, including, without limitation, loss of data, loss
of profits, interest or revenue, or use or interruption of business, arising from any claim
relating to breach of this Agreement or otherwise relating to any of the Services or Undertakings
provided hereunder Section 7.5 Section 7.2 Section 7.3 Section 3.1(c) Section
3.1(d)
 Section 7.6 Liability for Payment Obligations .
 Article VII Section
2.1(b) Section 4.1 Section 5.2 Section 6.2 Section
10.3(b) Section 10.6
 -10-




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ARTICLE VIII
CHOICE OF LAW
  ARTICLE IX
TERMINATION
 Section 9.1 Termination .
 Schedule C Schedule C Schedule C Schedule C Schedule
C Schedule C Schedule C Non-Breaching Party Breaching Party provided that Section 10.10
 Section 2.1(d)
 -11-




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Section 9.2 Effect of Termination .
  Section 9.3 Survival .
 Section 4.1 Section 4.2 Article V Article VII Section 9.2 Section 9.3 Article X
 Section 9.4 Force Majeure .
  ARTICLE X
GENERAL PROVISIONS
 Section 10.1 Independent Contractors .
  Section 10.2 Subcontractors .
 provided that
 -12-




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Section 10.3 Additional Services; Books and Records .
  Section
10.5 provided however
 Section 10.4 Confidential Information .
  Section 10.5 Notices .
 Section 10.5
 -13-




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Section 10.6 Taxes .
      Section 10.7 Severability .
  -14-




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Section 10.8 Entire Agreement .
  Section 10.9 Assignment; No Third-Party Beneficiaries .
 provided however Article III Article VII
  -15-




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Section 10.10 Amendment .
  Section 10.11 Rules of Construction .
    Section 10.12 Counterparts .
  -16-




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Section 10.13 Set-Off.
  SIGNATURE PAGE FOLLOWS
 -17-




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HELIX ENERGY SOLUTIONS GROUP, INC.By:
    /s/ Martin R. FerronName:
    Martin R. FerronTitle:
    President and Chief Executive OfficerCAL DIVE INTERNATIONAL, INC.By:
    /s/ Quinn J. HébertName:
    Quinn J. HébertTitle:
    President and Chief Executive Officer




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SCHEDULE A  SERVICES
 Services to Be Provided by Helix and Helix Group
  1.
    
    Tax2.
    
    Treasury3.
    
    Audit
  1.
    
    Insurance and Claims
  1.
    
    Benefits
    Services to Be Provided by Cal Dive and Cal Dive Group
  1.
    
    Human Resources2.
    
    Offshore Resources




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3.
    
    Training and Orientation
   1.
    
    Administration2.
    
    Capital Projects
  1.
    
    Administration2.
    
    Yard/Shop Services3.
    
    Warehousing4.
    
    Purchasing5.
    
    Logistics
  1.
    
    Administration2.
    
    Equipment
   1.
    
    Administration
 S-2




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2.
    
    Environmental, Health and Safety Management3.
    
    Subcontracting
  S-3




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SCHEDULE B  REAL PROPERTY FACILITIES
    S-4




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SCHEDULE C  POST-TRIGGER DATE SERVICES
  Service
    
    Termination DateTax
    
    90 days from Trigger DateTreasury
    
    90 days from Trigger DateAudit
    
    90 days from Trigger DateInsurance and Claims
    
    90 days from Trigger DateInformation Technology
    
    12 months from Trigger Date
  Service
    
    Termination DateSupply Chain Services
    
    6 months from Trigger Date
 S-5