Exhibit 10.1
 Execution Copy
 
 CREDIT AGREEMENT
    WILLIAMS PARTNERS L.P.
 NORTHWEST PIPELINE GP
 TRANSCONTINENTAL GAS PIPE LINE COMPANY, LLC
    CITIBANK, N.A.,




---



##### 



ARTICLE I DEFINITIONS AND ACCOUNTING TERMS
    
    
    1Section 1.01 Defined Terms
    
    
    1Section 1.02 Classification of Loans and Borrowings
    
    
    20Section 1.03 Terms Generally
    
    
    21Section 1.04 Accounting Terms; GAAP
    
    
    21ARTICLE II THE CREDITS
    
    
    21Section 2.01 Commitments
    
    
    21Section 2.02 Loans and Borrowings
    
    
    22Section 2.03 Requests for Borrowings
    
    
    23Section 2.04 [Reserved]
    
    
    24Section 2.05 [Reserved]
    
    
    24Section 2.06 Letters of Credit
    
    
    24Section 2.07 Funding of Borrowings
    
    
    29Section 2.08 Interest Elections
    
    
    29Section 2.09 Termination and Reduction of Commitments
    
    
    30Section 2.10 Repayment of Loans; Evidence of Debt
    
    
    31Section 2.11 Prepayment of Loans
    
    
    32Section 2.12 Fees
    
    
    32Section 2.13 Interest
    
    
    34Section 2.14 Alternate Rate of Interest
    
    
    35Section 2.15 Increased Costs
    
    
    35Section 2.16 Break Funding Payments
    
    
    36Section 2.17 Taxes
    
    
    37Section 2.18 Payments Generally; Pro Rata Treatment; Sharing of Set-offs
    
    
    38Section 2.19 Mitigation Obligations; Replacement of Lenders
    
    
    39Section 2.20 Nature of Obligations
    
    
    40ARTICLE III REPRESENTATIONS AND WARRANTIES
    
    
    41Section 3.01 Organization; Powers
    
    
    41Section 3.02 Authorization; Enforceability
    
    
    41Section 3.03 Governmental Approvals; No Conflicts
    
    
    41Section 3.04 Financial Condition; No Material Adverse Change
    
    
    42Section 3.05 Litigation
    
    
    42Section 3.06 Environmental Matters
    
    
    42
 i




---



##### 



Section 3.07 Disclosure
    
    
    42Section 3.08 Solvency
    
    
    43Section 3.09 ERISA
    
    
    43Section 3.10 Investment Company Status
    
    
    43Section 3.11 Margin Securities
    
    
    43ARTICLE IV CONDITIONS
    
    
    43Section 4.01 Effective Date
    
    
    43Section 4.02 Each Credit Event
    
    
    45Section 4.03 Defaulting Lenders
    
    
    45ARTICLE V AFFIRMATIVE COVENANTS
    
    
    46Section 5.01 Financial Statements and Other Information
    
    
    46Section 5.02 Notices of Material Events
    
    
    47Section 5.03 Existence; Conduct of Business
    
    
    48Section 5.04 Payment of Obligations
    
    
    48Section 5.05 Maintenance of Properties; Insurance
    
    
    48Section 5.06 Books and Records; Inspection Rights
    
    
    48Section 5.07 Compliance with Laws
    
    
    48Section 5.08 Use of Proceeds and Letters of Credit
    
    
    49Section 5.09 Potential Subsidiary Guarantors
    
    
    49Section 5.10 Maintenance of Ownership of Certain Subsidiaries
    
    
    49ARTICLE VI NEGATIVE COVENANTS
    
    
    49Section 6.01 Indebtedness
    
    
    49Section 6.02 Liens
    
    
    50Section 6.03 Fundamental Changes
    
    
    50Section 6.04 Restricted Payments
    
    
    50Section 6.05 Restrictive Agreements
    
    
    51Section 6.06 Affiliate Transactions
    
    
    51Section 6.07 Change in Nature of Businesses
    
    
    52Section 6.08 Financial Condition Covenants
    
    
    52ARTICLE VII EVENTS OF DEFAULT
    
    
    53ARTICLE VIII THE ADMINISTRATIVE AGENT
    
    
    55Section 8.01 Appointment and Authority
    
    
    55Section 8.02 Administrative Agent Individually
    
    
    56Section 8.03 Duties of Administrative Agent; Exculpatory Provisions
    
    
    57Section 8.04 Reliance by Administrative Agent
    
    
    57
 ii




---



##### 



Section 8.05 Delegation of Duties
    
    
    58Section 8.06 Resignation of Administrative Agent
    
    
    58Section 8.07 Non-Reliance on Administrative Agent and Other Lender Parties
    
    
    59Section 8.08 No Other Duties, etc.
    
    
    59Section 8.09 Trust Indenture Act
    
    
    60Section 8.10 Resignation of an Issuing Bank
    
    
    60ARTICLE IX MISCELLANEOUS
    
    
    60Section 9.01 Notices
    
    
    60Section 9.02 Posting of Approved Electronic Communications
    
    
    61Section 9.03 Waivers; Amendments
    
    
    62Section 9.04 Expenses; Indemnity; Damage Waiver
    
    
    63Section 9.05 Successors and Assigns
    
    
    64Section 9.06 Survival
    
    
    67Section 9.07 Counterparts; Integration; Effectiveness
    
    
    67Section 9.08 Severability
    
    
    67Section 9.09 Right of Setoff
    
    
    67Section 9.10 Governing Law; Jurisdiction; Consent to Service of Process
    
    
    68Section 9.11 WAIVER OF JURY TRIAL
    
    
    68Section 9.12 Headings
    
    
    68Section 9.13 Confidentiality
    
    
    69Section 9.14 Treatment of Information
    
    
    69Section 9.15 Interest Rate Limitation
    
    
    71Section 9.16 No Waiver; Remedies
    
    
    71Section 9.17 Liability of General Partner
    
    
    71Section 9.18 USA Patriot Act Notice
    
    
    71Section 9.19 No Advisory or Fiduciary Responsibility
    
    
    71
 iii




---



##### 



SCHEDULES:Schedule 2.01
    
    -
    
    CommitmentsSchedule 6.05
    
    -
    
    Restrictive AgreementsEXHIBITS:Exhibit A
    
    -
    
    Form of Assignment and AcceptanceExhibit B
    
    -
    
    Form of Borrowing RequestExhibit C
    
    -
    
    Form of Interest Election RequestExhibit D
    
    -
    
    Form of Compliance CertificateExhibit E
    
    -
    
    Form of Note
 iv




---



##### 



CREDIT AGREEMENT
 Agreement WPZ NWP TGPL
  ARTICLE I
DEFINITIONS AND ACCOUNTING TERMS
 Defined Terms
 ABR
 Acquisition Section 4.01(h)
 Added L/C Effective Date Section 2.06(l).
 Added L/C Representations
 Added Letter of Credit Section 2.06(l).
 Administrative Agent
 Administrative Questionnaire
 Affiliate
 Agents Group Section 8.02(b)
 Aggregate Commitments
 Alternate Base Rate 1 2
 1




---



##### 



Applicable Percentage
 Applicable Rate
 Index Debt Ratings:
    
    Eurodollar
    
    
    
    
    
    Commitment/Ticking(S&P/Fitch/ Moodys)
    
    Spread
    
    ABR Spread
    
    Fee RateCategory 1 3 BBB+ / BBB+
/ Baa1
    
    
    2.25
    %
    
    
    1.25
    %
    
    
    0.375
    %Category 2 BBB / BBB / Baa2
    
    
    2.50
    %
    
    
    1.50
    %
    
    
    0.50
    %Category 3 BBB- / BBB- / Baa3
    
    
    2.75
    %
    
    
    1.75
    %
    
    
    0.50
    %Category 4 BB+ / BB+ / Ba1
    
    
    3.50
    %
    
    
    2.50
    %
    
    
    0.75
    %Category 5 £ BB / BB / Ba2
    
    
    3.75
    %
    
    
    2.75
    %
    
    
    0.875
    %
  2




---



##### 



Approved Electronic Communications
 Approved Electronic Platform Section 9.02
 Approved Fund
 Assignment and Acceptance Section 9.05 Exhibit A
 Attributable Obligation
 Availability Period
 Beneficial Owner
 Borrower
 Borrower Sublimit Section 2.01(a)
 Borrowing
 Borrowing Request Section 2.03 Exhibit B
 Business Day provided that
 3




---



##### 



Business Day
 Capital Lease Obligations
 Capital Stock
     Cash Collateralize Cash Collateralization
 Change in Control
     Change in Law
 Closing Date
 4




---



##### 



Code
 Commercial Operation Date
 Commitment Section 2.09 Section 2.01 Section
9.05 Schedule 2.01
 Communications
 Consolidated EBITDA
   5




---



##### 



Consolidated Indebtedness
 Consolidated Interest Expense
 Consolidated Net Tangible Assets
 Consolidated Net Worth
 Consolidated Total Capitalization
 Continuing Directors
   Contribution Agreement
 Control Controlling Controlled
 Credit Exposure
 Default
 6




---



##### 



Defaulting Lender funding obligation provided Section 2.06(k) provided provided Section 2.09(d) Section
2.06(j)(ii) Section 2.06(k)
 Discovery
 dollars $
 Effective Date Section 4.01
 7




---



##### 



Eligible Assignee
 Environmental Laws
 Equity Interest
 ERISA
 ERISA Affiliate
 ERISA Event
 Eurocurrency Liabilities
 8




---



##### 



Eurodollar
 Eurodollar Rate Reserve Percentage
 Event of Default
 Exchange Act
 Excluded Taxes Section 2.19(b) Section
2.17(e) Section 2.17(a)
 Existing Credit Agreement
 Federal Funds Effective Rate
 Fee Letters
 Financial Officer
 9




---



##### 



Financing Transaction
 Fitch
 Foreign Lender
 Fund
 GAAP
 General Partner
 Governmental Authority
 Guarantors Section 5.09 Section 5.09
 Guaranty
 Hazardous Materials
 Hedging Agreement
 Hybrid Securities
 10




---



##### 



Indebtedness
 Indemnified Taxes
 Index Debt
 Information Memorandum
 Interest Election Request Section 2.08 Exhibit
C
 Interest Payment Date
 Interest Period
 11




---



##### 



provided that
 Investment Grade Rating
 Issuing Bank Schedule 2.01
 Joint Lead Arrangers
 LC Disbursement
 LC Exposure
 Lender Insolvency Event
 Lender Party
 Lender Party Appointment Period Section 8.06(a)
 Lenders Schedule 2.01 Section 2.01(c)
 Letter of Credit
 Letter of Credit Commitment
 12




---



##### 



Section 2.09 Section 2.01(c)(iii) Section 8.10 Schedule 2.01
 Letter of Credit Documents
 LIBO Rate
 Lien
 Loans
 Loan Documents
 Material Adverse Effect
 Material Indebtedness
 13




---



##### 



Material Project
 Material Project EBITDA Adjustments
 provided ,
    Section 5.01(c) Section
6.08(b)
 14




---



##### 



Material Subsidiary
 Maturity Date
 Moodys
 Multiemployer Plan
 Non-Defaulting Lender
 Non-Recourse Debt
 Non-Recourse Subsidiary
 15




---



##### 



Notes Section
2.10(e)
 Other Taxes
 Parent Company
 Participant Section 9.05(d)
 Partnership Agreement
 PBGC
 Performance Guaranty
 Permitted Liens
    16




---



##### 



Refinanced Indebtedness
        17




---



##### 



Existing Assets
 Person
 Plan
 Prime Rate
 18




---



##### 



Reference Banks
 Register Section 9.05(c)
 Related Parties
 Required Lenders
 Responsible Officer
 Restricted Payment
 Rule 144A Offering
 S&P
 Sale and Leaseback Transaction Transferee
 Senior Notes 1 2 1 4
 19




---



##### 



Solvent Solvency
 Subsidiary
   Taxes
 Transactions
 Type
 Voting Stock
 Williams
 Withdrawal Liability
 Classification of Loans and Borrowings e.g. e.g.
 20




---



##### 



Terms Generally
 Accounting Terms; GAAP
 ARTICLE II
THE CREDITS
 Commitments
 Loans Borrower
Sublimit
 Reserved]
 Increase in Commitments
 New Lenders provided however
 21




---



##### 



Increase Effective Date Section 2.16
  Section 2.01(c)
    Loans and Borrowings
 provided that
 22




---



##### 



Section 2.14 provided that
 provided that Section 2.06(e) provided that
  Requests for Borrowings Section 2.02
     Section 2.07
  23




---



##### 



Reserved
 Reserved
 Letters of Credit
 General
 Notice of Issuance, Amendment, Renewal, Extension; Certain Conditions
 Expiration Date
 24




---



##### 



provided Auto-Renewal Letter of Credit provided Nonrenewal Notice Date Section 2.06(c) provided Section 2.06(c)
 Participations
 Reimbursement provided that Sections 2.03 2.05 Section 2.07 Section 2.07 mutatis mutandis
 25




---



##### 



Obligations Absolute provided that
 Disbursement Procedures provided that
 Interim Interest provided that Section 2.13(d)
 26




---



##### 



Replacement of an Issuing Bank Section 2.12(b)
 Cash Collateralization
 Article VII Article VII
  27




---



##### 



Section 2.06(k)
 Reallocation of Defaulting Lender Commitment, Etc.
 Addition of Letters of Credit Added Letter of Credit Section 2.06 Added L/C Effective Date Section 2.06
 28




---



##### 



Funding of Borrowings
 provided that Section 2.06(e
 Section 2.07
 Interest Elections
  Section 2.03
 Section 2.02
 29




---



##### 



Termination and Reduction of Commitments
  provided that Section 2.11
 30




---



##### 



provided that
 provided
 Section 2.09
 Section 9.06
 Repayment of Loans; Evidence of Debt
  31




---



##### 



prima facie provided that
 Section 9.05
 Prepayment of Loans
  provided that Section 2.13
 Fees
  32




---



##### 



provided that
     33




---



##### 



Section 2.12 provided Section 2.06(k) pro rata pro rata Section
2.18
 Interest
    provided that
   34




---



##### 



Section
2.15(d) provided however
 Alternate Rate of Interest
   provided that
 Increased Costs
 Increased Costs Generally
  Section 2.17
  35




---



##### 



Capital Requirements
 Certificates for Reimbursement
 Delay in Requests
 Break Funding Payments Section 2.11(b) Section 2.19
 36




---



##### 



Taxes
 Payments Free of Taxes
 Payment of Other Taxes by Borrowers
 Indemnification by Borrowers
 Evidence of Payments
 Status of Lenders
  37




---



##### 



Treatment of Certain Refunds
 Payments Generally; Pro Rata Treatment; Sharing of Set-offs
 Section 2.15 2.16 2.17 Sections
2.15 2.16 2.17 9.04
 38




---



##### 



provided that
  Sections 2.06(d) 2.06(e) 2.07(b) 9.04(c)
 Mitigation Obligations; Replacement of Lenders
 Section 2.13(f) Section 2.15 Section 2.17 Sections 2.13(f) 2.15 2.17
 39




---



##### 



Sections 2.13(f) 2.15 2.17
 Section 2.13(f) Section 2.15 Section 2.17 Section 9.05 provided that Section 2.16 Section 2.13(f) Section 2.15 Section 2.17 Section 2.13(f) Section 2.15 Section 2.17
 pro rata provided provided
 Nature of Obligations
 40




---



##### 



Section 2.01 Section 2.06 Section 2.17 Section 4.02 Section 2.20
 ARTICLE III
 REPRESENTATIONS AND WARRANTIES
 Sections
3.04(b) 3.07 3.08
 Organization; Powers
 Authorization; Enforceability
 Governmental Approvals; No Conflicts
 41




---



##### 



Financial Condition; No Material Adverse Change
   Litigation
 Environmental Matters
 Disclosure
 42




---



##### 



Solvency Section 2.01(c)
 ERISA
 Investment Company Status
 Margin Securities
 ARTICLE IV
 CONDITIONS
 Effective Date
    43




---



##### 



Section 2.10(e)
 Section 4.02
         44




---



##### 



Each Credit Event
    Defaulting Lenders
 Section 2.06(k)
 Section 2.06(k) Section 2.06(j)
 45




---



##### 



pro rata pro rata Section 2.18 provided
 ARTICLE V
 AFFIRMATIVE COVENANTS
  Financial Statements and Other Information
   Exhibit D Section 6.08
 46




---



##### 



Section 5.01 Section 5.01 www.williamslp.com
 Notices of Material Events
      47




---



##### 



Existence; Conduct of Business Section 6.03
 Payment of Obligations
 Maintenance of Properties; Insurance Section 5.05(b)
 Books and Records; Inspection Rights
 Compliance with Laws
 48




---



##### 



Use of Proceeds and Letters of Credit.
 Potential Subsidiary Guarantors
   Maintenance of Ownership of Certain Subsidiaries
 ARTICLE VI
 NEGATIVE COVENANTS
  Indebtedness
 49




---



##### 



provided
 Liens
 Fundamental Changes
 Restricted Payments provided that provided further that times
 50




---



##### 



Restrictive Agreements provided provided Schedule 6.05
 Affiliate Transactions provided ,
 51




---



##### 



Change in Nature of Businesses
 Financial Condition Covenants
 Leverage Ratio Section 5.01 Section 6.08
 Ratio of Consolidated Indebtedness to Capitalization Section 5.01
 52




---



##### 



ARTICLE VII
 EVENTS OF DEFAULT
 Events of Default
   Section 4.02
 Article VI
   53




---



##### 



54




---



##### 



Section 5.09(a) Section
5.09(b)
 Section 2.06(j)(i)
 ARTICLE VIII
 THE ADMINISTRATIVE AGENT
 Appointment and Authority
 55




---



##### 



Administrative Agent Individually
  Agents Group
  56




---



##### 



Duties of Administrative Agent; Exculpatory Provisions
  Section 9.03 Article VII
   Reliance by Administrative Agent
 57




---



##### 



Delegation of Duties Article VIII Section 9.04
 Resignation of Administrative Agent Lender Party Appointment Period Section 9.04 Section 9.03
 58




---



##### 



Non-Reliance on Administrative Agent and Other Lender Parties
       No Other Duties, etc
 59




---



##### 



Trust Indenture Act Trust Indenture Act
 Resignation of an Issuing Bank Section 2.06(k) provided
 ARTICLE IX
 MISCELLANEOUS
 Notices
    2.01
  60




---



##### 



Section 9.02
  Posting of Approved Electronic Communications
 Approved Electronic Platform
  61




---



##### 



THE APPROVED ELECTRONIC PLATFORM AND THE APPROVED ELECTRONIC COMMUNICATIONS ARE PROVIDED
AS IS AND AS AVAILABLE. NONE OF THE ADMINISTRATIVE AGENT NOR ANY OTHER MEMBER OF THE AGENTS
GROUP WARRANT THE ACCURACY, ADEQUACY OR COMPLETENESS OF THE APPROVED ELECTRONIC COMMUNICATIONS OR
THE APPROVED ELECTRONIC PLATFORM AND EACH EXPRESSLY DISCLAIMS ANY LIABILITY FOR ERRORS OR OMISSIONS
IN THE APPROVED ELECTRONIC COMMUNICATIONS OR THE APPROVED ELECTRONIC PLATFORM. NO WARRANTY OF ANY
KIND, EXPRESS, IMPLIED OR STATUTORY, INCLUDING, WITHOUT LIMITATION, ANY WARRANTY OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT OF THIRD PARTY RIGHTS OR
FREEDOM FROM VIRUSES OR OTHER CODE DEFECTS, IS MADE BY THE AGENT PARTIES IN CONNECTION WITH THE
APPROVED ELECTRONIC COMMUNICATIONS OR THE APPROVED ELECTRONIC PLATFORM.
  Waivers; Amendments
  provided that
 62




---



##### 



provided further provided
 Expenses; Indemnity; Damage Waiver
  Indemnified Parties (EXPRESSLY
INCLUDING ANY SUCH CLAIM, DAMAGE, LOSS, LIABILITY, COST, PENALTY, FEE OR EXPENSE ATTRIBUTABLE TO
THE ORDINARY, SOLE OR CONTRIBUTORY NEGLIGENCE OF SUCH INDEMNIFIED PARTY, BUT EXCLUDING ANY SUCH
CLAIM, DAMAGE, LOSS, LIABILITY, COST, PENALTY, FEE OR EXPENSE SOUGHT TO BE RECOVERED BY ANY
INDEMNIFIED PARTY TO THE EXTENT SUCH CLAIM, DAMAGE, LOSS, LIABILITY, COST, PENALTY, FEE OR EXPENSE
RESULTED FROM THE GROSS NEGLIGENCE OR
 63




---



##### 



WILLFUL MISCONDUCT OF SUCH INDEMNIFIED PARTY). IT IS THE INTENT OF THE PARTIES HERETO THAT
EACH INDEMNIFIED PARTY SHALL, TO THE EXTENT PROVIDED IN THIS SECTION 9.04(b) , BE
INDEMNIFIED FOR ITS OWN ORDINARY, SOLE OR CONTRIBUTORY NEGLIGENCE.
 provided that
   Successors and Assigns
 Successors and Assigns Generally
 Assignments by Lenders
 64




---



##### 



Minimum Amounts
   Proportionate Amounts
 Required Consents
    Assignment and Assumption
 No Assignment to Borrower
 65




---



##### 



No Assignment to Natural Persons or a Defaulting Lender
 Sections 2.15 2.17 9.04
 Register Register
 Participations Participant
 Section 9.02 Sections 2.15 2.17 Section 9.09 Section 2.18(c)
 Limitations upon Participant Rights Sections 2.15 2.17
 66




---



##### 



Section
2.17 Section 2.17(e)
 Certain Pledges
 Survival Sections 2.15 2.16 2.17 9.04
 Counterparts; Integration; Effectiveness
 Severability
 Right of Setoff
 67




---



##### 



Governing Law; Jurisdiction; Consent to Service of Process
    Section 9.01
 WAIVER OF JURY TRIAL
 Headings
 68




---



##### 



Confidentiality Section 9.05(f)
  Treatment of Information
 Restricting
Information
 69




---



##### 



Section 9.14 Section 9.14 Section 9.13
   Section 9.14
 70




---



##### 



Interest Rate Limitation Charges Maximum Rate
 No Waiver; Remedies
 Liability of General Partner Section 9.17
 USA Patriot Act Notice Act
 No Advisory or Fiduciary Responsibility
 71




---



##### 



72




---



##### 



WILLIAMS PARTNERS L.P.By:
    
    Williams Partners GP LLC, General PartnerBy:
    
    /s/ Rodney J. SailorName:
    
    Rodney J. SailorTitle:
    
    TreasurerNORTHWEST PIPELINE GPBy:
    
    /s/ Rodney J. SailorName:
    
    Rodney J. SailorTitle:
    
    Assistant TreasurerTRANSCONTINENTAL GAS PIPE LINE COMPANY, LLCBy:
    
    /s/ Rodney J. SailorName:
    
    Rodney J. SailorTitle:
    
    Assistant Treasurer




---



##### 



CITIBANK, N.A.,Individually and as Administrative Agent andas an Issuing BankBy:
    
    /s/ Andrew SidfordName:
    
    Andrew SidfordTitle:
    
    Vice President




---



##### 



BARCLAYS BANK PLC,Individually and as an Issuing BankBy:
    
    /s/ Nicholas A. BellName:
    
    Nicholas A. BellTitle:
    
    Director




---



##### 



BANK OF AMERICA, N.A.,Individually and as an Issuing BankBy:
    
    /s/ Gabe GomezName:
    
    Gabe GomezTitle:
    
    Vice President




---



##### 



BNP PARIBAS,Individually and as an Issuing BankBy:
    
    /s/ Larry RobinsonName:
    
    Larry RobinsonTitle:
    
    DirectorBy:
    
    /s/ Betsy JocherName:
    
    Betsy JocherTitle:
    
    Director




---



##### 



CRÉDIT AGRICOLE CORPORATE AND INVESTMENT BANK,Individually and as an Issuing BankBy:
    
    /s/ Darrell StanleyName:
    
    Darrell StanleyTitle:
    
    Managing DirectorBy:
    
    /s/ Sharada ManneName:
    
    Sharada ManneTitle:
    
    Director




---



##### 



THE BANK OF NOVA SCOTIA,Individually and as an Issuing BankBy:
    
    /s/ Marc GrahamName:
    
    Marc GrahamTitle:
    
    Director




---



##### 



JPMORGAN CHASE BANK, N.A.,Individually and as an Issuing BankBy:
    
    /s/ Muhammad HasanName:
    
    Muhammad HasanTitle:
    
    Vice President




---



##### 



THE ROYAL BANK OF SCOTLAND PLC,Individually and as an Issuing BankBy:
    
    /s/ Patricia DundeeName:
    
    Patricia DundeeTitle:
    
    Managing Director




---



##### 



WELLS FARGO BANK, N.A.,Individually and as an Issuing BankBy:
    
    /s/ Paul V. FarrellName:
    
    Paul V. FarrellTitle:
    
    Vice President




---



##### 



CREDIT SUISSE AG, CAYMAN ISLANDS BRANCHBy:
    
    /s/ Numar KumarName:
    
    Numar KumarTitle:
    
    Vice PresidentBy:
    
    /s/ Lynne-Marie PaquetteName:
    
    Lynne-Marie PaquetteTitle:
    
    Associate




---



##### 



DEUTSCHE BANK AG NEW YORK BRANCHBy:
    
    /s/ Rainer MeierName:
    
    Rainer MeierTitle:
    
    DirectorBy:
    
    /s/ Ming K ChuName:
    
    Ming K ChuTitle:
    
    Vice President




---



##### 



DNB NOR BANK ASABy:
    

/s/ Thomas TangenName:
    
    Thomas TangenTitle:
    
    Senior Vice President
Head of Corporate BankingBy:
    
    /s/ Cathleen BuckleyName:
    
    Cathleen BuckleyTitle:
    
    First Vice President




---



##### 



GOLDMAN SACHS BANK USABy:
    
    /s/ Mark WaltonName:
    
    Mark WaltonTitle:
    
    Authorized Signatory




---



##### 



MIZUHO CORPORATE BANK (USA)By:
    
    /s/ Raymond VenturaName:
    
    Raymond VenturaTitle:
    
    Deputy General Manager




---



##### 



MORGAN STANLEY BANK, N.A.By:
    
    /s/ Ryan VetschName:
    
    Ryan VetschTitle:
    
    Authorized Signatory




---



##### 



ROYAL BANK OF CANADABy:
    
    /s/ Jason S. YorkName:
    
    Jason S. YorkTitle:
    
    Authorized Signatory




---



##### 



THE BANK OF TOKYO-MITSUBISHI UFJ, LTD.By:
    
    /s/ Linda TerryName:
    
    Linda TerryTitle:
    
    Authorized Signatory




---



##### 



UBS LOAN FINANCE LLCBy:
    
    /s/ Mary E. EvansName:
    
    Mary E. EvansTitle:
    
    Associate Director
Banking Products
Services, USBy:
    
    /s/ Marie HaddadName:
    
    Marie HaddadTitle:
    
    Associate Director
Banking Products
Services, US




---



##### 



BAYERISCHE LANDESBANK, NEW YORK BRANCHBy:
    
    /s/ Alexander KohnertName:
    
    Alexander KohnertTitle:
    
    Senior Vice PresidentBy:
    
    /s/ Nikolai von MengdenName:
    
    Nikolai von MengdenTitle:
    
    Senior Vice President




---



##### 



SUMITOMO MITSUI BANKING CORPORATION,Individually and as an Issuing BankBy:
    
    /s/ Masakazu HasegawaName:
    
    Masakazu HasegawaTitle:
    
    General Manager




---



##### 



THE TORONTO-DOMINION BANK, NEW YORK BRANCHBy:
    
    /s/ Robyn ZellerName:
    
    Robyn ZellerTitle:
    
    Vice President




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##### 



U.S. BANK NATIONAL ASSOCIATIONBy:
    
    /s/ Heather HanName:
    
    Heather HanTitle:
    
    Vice President




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##### 



COMPASS BANKBy:
    
    /s/ Greg DetermannName:
    
    Greg DetermannTitle:
    
    Senior Vice President




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##### 



ING CAPITAL LLCBy:
    
    /s/ Subha PasumartiName:
    
    Subha PasumartiTitle:
    
    Director




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##### 



NATIXISBy:
    
    /s/ Daniel PayerName:
    
    Daniel PayerTitle:
    
    DirectorBy:
    
    /s/ Louis P. Laville, IIIName:
    
    Louis P. Laville, IIITitle:
    
    Managing Director




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##### 



BANK OF OKLAHOMA, N.A.,Individually and as an Issuing BankBy:
    
    /s/ Michael L. ElderName:
    
    Michael L. ElderTitle:
    
    Vice President




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##### 



SCHEDULE 2.01
 Commitments/Letter of Credit Commitments
 Letter of CreditLender
    
    Commitment
    
    CommitmentCitibank, N.A.
    
    $
    85,000,000
    
    
    $
    150,000,000Barclays Bank PLC
    
    $
    85,000,000
    
    
    $
    150,000,000Bank of America, N.A.
    
    $
    80,000,000
    
    
    $
    300,000,000BNP Paribas
    
    $
    80,000,000
    
    
    $
    150,000,000Crédit Agricole Corporate and Investment Bank
    
    $
    80,000,000
    
    
    $
    300,000,000The Bank of Nova Scotia
    
    $
    80,000,000
    
    
    $
    100,000,000JPMorgan Chase Bank, N.A.
    
    $
    80,000,000
    
    
    $
    135,000,000The Royal Bank of Scotland plc
    
    $
    80,000,000
    
    
    $
    100,000,000Wells Fargo Bank, N.A.
    
    $
    80,000,000
    
    
    $
    135,000,000Credit Suisse AG, Cayman Islands Branch
    
    $
    75,000,000
    
    
    $
    0Deutsche Bank AG New York Branch
    
    $
    75,000,000
    
    
    $
    0DnB Nor Bank ASA
    
    $
    75,000,000
    
    
    $
    0Goldman Sachs Bank USA
    
    $
    75,000,000
    
    
    $
    0Mizuho Corporate Bank (USA)
    
    $
    75,000,000
    
    
    $
    0Morgan Stanley Bank, N.A. (Morgan Stanley
MUFG Loan Partners, LLC)
    
    $
    75,000,000
    
    
    $
    0Royal Bank of Canada
    
    $
    75,000,000
    
    
    $
    0The Bank of Tokyo-Mitsubishi UFJ, Ltd.
(Morgan Stanley MUFG Loan Partners, LLC)
    
    $
    75,000,000
    
    
    $
    0UBS Loan Finance LLC
    
    $
    75,000,000
    
    
    $
    0Bayerische Landesbank, New York Branch
    
    $
    55,000,000
    
    
    $
    0Sumitomo Mitsui Banking Corporation
    
    $
    55,000,000
    
    
    $
    37,500,000The Toronto-Dominion Bank, New York Branch
    
    $
    55,000,000
    
    
    $
    0U.S. Bank National Association
    
    $
    55,000,000
    
    
    $
    0Compass Bank
    
    $
    35,000,000
    
    
    $
    0ING Capital LLC
    
    $
    35,000,000
    
    
    $
    0Natixis
    
    $
    35,000,000
    
    
    $
    0Bank of Oklahoma, N.A.
    
    $
    20,000,000
    
    
    $
    20,000,000TOTAL
    
    $
    1,750,000,000
    
    
    $
    1,577,500,000
 1




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##### 



SCHEDULE 6.05
 Restrictive Agreements




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##### 



EXHIBIT A
 FORM OF
ASSIGNMENT AND ACCEPTANCE
   Section 2.17(e) Section 9.05(b)
    
 
 Percentage Assigned ofFacility/Commitment(set forth, to atleast 8 decimals, as apercentage of theFacility and theaggregate Commitmentsof all LendersFacility
    
    Principal Amount Assigned
    
    thereunder)Commitment Assigned:
    
    $
    
    
    
    
    %Loans:
 1




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##### 



[Name of Assignor], as AssignorBy:Name:Title:[Name of Assignee], as AssigneeBy:Name:Title: 2




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##### 



Williams Partners L.P.
By: Williams Partners GP LLC, General Partner
    
    
    
    Citibank, N.A.,
as Administrative AgentBy:
    
    
    
    
    
    By:Name:
    
    
    
    
    
    Name:Title:
    
    
    
    
    
    Title:Citibank, N.A.,
as Issuing Bank
    
    
    
    Barclays Bank PLC,
as Issuing BankBy:
    
    
    
    
    
    By:Name:
    
    
    
    
    
    Name:Title:
    
    
    
    
    
    Title:
 3




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##### 



EXHIBIT B
 FORM OF BORROWING REQUEST
 
 
  Section 2.03
 1/
 2/
  Principal
    
    
    
    Maturity Date forType of
    
    Component of
    
    Interest Period
    
    Interest PeriodLoan
    
    Loan
    
    (if applicable)
    
    (if applicable)
 
 
 1.
    
    Complete with an amount in accordance with Section
2.03 of the Credit Agreement.2.
    
    Complete with a Business Day in accordance with
Section 2.03 of the Credit Agreement. 1




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##### 



5. After giving effect to any requested Loan, the sum of the Credit Exposures outstanding as
of the date hereof (including the requested Loans) does not exceed the maximum amount permitted to
be outstanding pursuant to the terms of the Credit Agreement.6. All of the conditions applicable to the Loans requested herein as set forth in the Credit
Agreement will be satisfied on the date of such Loans.7. All capitalized undefined terms used herein have the meanings assigned thereto in the
Credit Agreement. 
 [WILLIAMS PARTNERS L.P.By:
    Williams Partners GP LLCits General Partner][NORTHWEST PIPELINE GP]
[TRANSCONTINENTAL GAS PIPE LINE COMPANY, LLC]By:Name:Title: 2




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##### 



EXHIBIT C
 FORM OF
INTEREST ELECTION REQUEST
 
 
  Section 2.07
  1/
 
 2/
 3/
 4/
 5/
 
 1.
    
    Delete the bracketed language and insert ABR or
Eurodollar, as applicable, in each blank.2.
    
    Insert applicable date for any Eurodollar Loan being
converted or continued.3.
    
    Complete with an amount in compliance with Section
2.08 of the Credit Agreement.4.
    
    Complete with a Business Day in compliance with
Section 2.08 of the Credit Agreement.5.
    
    Complete for each Eurodollar Loan in compliance with
the definition of the term Interest Period specified in Section 1.01. 1




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##### 



[WILLIAMS PARTNERS L.P.By:
    Williams Partners GP LLCits General Partner][NORTHWEST PIPELINE GP]
[TRANSCONTINENTAL GAS PIPE LINE COMPANY, LLC]By:Name:Title: 2




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##### 



EXHIBIT D
 FORM OF COMPLIANCE CERTIFICATE
 
  Sections 6.08[(a) (b)]]
 
 [WILLIAMS PARTNERS L.P.By:
    Williams Partners GP LLCits General Partner][NORTHWEST PIPELINE GP]
[TRANSCONTINENTAL GAS PIPE LINE COMPANY, LLC]By:Name:Title:




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##### 



EXHIBIT E
 FORM OF NOTE
 $
    
    , 200
 Borrower   Lender
 Credit
Agreement
    1




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##### 



This note shall be construed in accordance with and be governed by the law of the State of
New York and the United States of America from time to time in effect
 [WILLIAMS PARTNERS L.P.By:
    Williams Partners GP LLCits General Partner][NORTHWEST PIPELINE GP]
[TRANSCONTINENTAL GAS PIPE LINE COMPANY, LLC]By:Name:Title: 
 2




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##### 



LOANS AND PAYMENTS OF PRINCIPAL AND INTEREST
 Amount ofPrincipal
    
    Principal
    
    
    
    Balance
    
    NotationInterest
    
    
    
    Amount of
    
    Paid or
    
    Interest
    
    of
    
    MadeDate
    
    Period
    
    Rate
    
    Loan
    
    Prepaid
    
    Paid
    
    Loans
    
    by
 3