Document:

exv4w3

 

Exhibit 4.3

Execution Copy

REGISTRATION RIGHTS AGREEMENT

by and among

Williams Partners L.P.

Williams Partners Finance Corporation

and

Citigroup Global Markets Inc.

Lehman Brothers Inc.

as Representatives of

the Initial Purchasers

Dated as of June 20, 2006

 

 

TABLE OF CONTENTS

	 	 	 	 	 	 	 
	 	 	 	 	Page
	Section 1.
	 	Definitions	 	 	1	 
	Section 2.
	 	Securities Subject to this Agreement	 	 	3	 
	Section 3.
	 	Registered Exchange Offer	 	 	4	 
	Section 4.
	 	Shelf Registration	 	 	5	 
	Section 5.
	 	Additional Interest	 	 	6	 
	Section 6.
	 	Registration Procedures	 	 	7	 
	Section 7.
	 	Registration Expenses	 	 	10	 
	Section 8.
	 	Indemnification	 	 	13	 
	Section 9.
	 	Rule 144 and 144A Information	 	 	15	 
	Section 10.
	 	Participation in Underwritten Registrations	 	 	15	 
	Section 11.
	 	Selection of Underwriters	 	 	15	 
	Section 12.
	 	Miscellaneous	 	 	15	 

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REGISTRATION RIGHTS AGREEMENT

     This Registration Rights Agreement (this “Agreement”) is made and entered into as of
June 20, 2006, by and among Williams Partners L.P., a Delaware limited partnership (the
“Partnership”), and Williams Partners Finance Corporation, a Delaware corporation
(“Williams Finance,” and together with the Partnership, the “Issuers”), and
Citigroup Global Markets Inc. and Lehman Brothers Inc., as representatives (collectively, the
“Representatives”) of certain purchasers, including the Representatives (collectively, the
“Initial Purchasers”), who have agreed to purchase the Issuers’ 7 1/2% Senior Notes due
2011 (the “Initial Securities”) pursuant to the Purchase Agreement (as defined below).

     This Agreement is made pursuant to the Purchase Agreement, dated June 15, 2006 (the
“Purchase Agreement”), among the Issuers and the Initial Purchasers (i) for the benefit of
the Initial Purchasers and (ii) for the benefit of the Holders from time to time of the Initial
Securities, including the Initial Purchasers. In order to induce the Initial Purchasers to
purchase the Initial Securities, the Issuers have agreed to provide the registration rights set
forth in this Agreement. The execution and delivery of this Agreement is a condition to the
obligations of the Initial Purchasers set forth in Section 6 of the Purchase Agreement.

     The parties hereby agree as follows:

     Section 1. Definitions. As used in this Agreement, the following capitalized terms shall have the following
meanings:

     Additional Interest: As defined in Section 5 hereof.

     Advice: As defined in the last paragraph of Section 6(c) hereof.

     Agreement: As defined in the preamble hereto.

     Blackout Period: As defined in the last paragraph of Section 4(a) hereof.

     Broker-Dealer: Any broker or dealer registered under the Exchange Act.

     Business Day: As defined in the Indenture.

     Closing Date: The date of this Agreement.

     Commission: The Securities and Exchange Commission.

     Consummate: A registered Exchange Offer shall be deemed “Consummated” for purposes of this
Agreement upon the occurrence of (i) the filing and effectiveness under the Securities Act of the
Exchange Offer Registration Statement relating to the Exchange Securities to be issued in the
Exchange Offer, (ii) the maintenance of such Registration Statement continuously effective and the
keeping of the Exchange Offer open for a period not less than the minimum period required pursuant
to Section 3(b) hereof, and (iii) the delivery by the Issuers to the Registrar under the Indenture
of Exchange Securities in the same aggregate principal amount

 

 

as the aggregate principal amount of Initial Securities that were tendered by Holders thereof
pursuant to the Exchange Offer.

     Effectiveness Target Date: As defined in Section 5 hereof.

     Exchange Act: The Securities Exchange Act of 1934, as amended.

     Exchange Offer: The Issuers’ offer to the Holders of all outstanding Transfer Restricted
Securities of the opportunity to exchange all such outstanding Transfer Restricted Securities held
by such Holders for Exchange Securities in an aggregate principal amount equal to the aggregate
principal amount of the Transfer Restricted Securities tendered in such exchange offer by such
Holders.

     Exchange Offer Registration Statement: The Registration Statement relating to the Exchange
Offer, including the related Prospectus.

     Exchange Securities: The 7 1/2% Senior Notes due 2011, of the same series under the Indenture
as the Initial Securities, to be issued to Holders in exchange for Transfer Restricted Securities
pursuant to this Agreement.

     Exempt Resales: The transactions in which the Initial Purchasers propose to sell the Initial
Securities to certain “qualified institutional buyers,” as such term is defined in Rule 144A under
the Securities Act and to certain non-U.S. persons pursuant to Regulation S under the Securities
Act.

     Holder: As defined in Section 2(b) hereof.

     Indemnified Holder: As defined in Section 8(a) hereof.

     Indenture: The Indenture, dated as of June 20, 2006 by and among the Issuers and the Trustee,
pursuant to which the Securities are to be issued, as such Indenture is amended or supplemented
from time-to-time in accordance with the terms thereof.

     Initial Placement: The issuance and sale by the Issuers of the Initial Securities to the
Initial Purchasers pursuant to the Purchase Agreement.

     Initial Purchasers: As defined in the preamble hereto.

     Initial Securities: As defined in the preamble hereto.

     Issuers: As defined in the preamble hereto.

     NASD: NASD Inc.

     Partnership: As defined in the preamble hereto.

     Person: An individual, partnership, limited liability company, corporation, trust or
unincorporated organization, or a government or agency or political subdivision thereof.

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     Prospectus: The prospectus included in a Registration Statement, as amended or supplemented
by any prospectus supplement and by all other amendments thereto, including post-effective
amendments, and all material incorporated by reference into such Prospectus.

     Registration Default: As defined in Section 5 hereof.

     Registration Statement: Any registration statement of the Partnership relating to (a) an
offering of Exchange Securities pursuant to an Exchange Offer or (b) the registration for resale of
Transfer Restricted Securities pursuant to the Shelf Registration Statement, which is filed
pursuant to the provisions of this Agreement, in each case, including the Prospectus.

     Representatives: As defined in the preamble hereto.

     Securities: The Initial Securities and the Exchange Securities.

     Securities Act: The Securities Act of 1933, as amended.

     Shelf Filing Deadline: As defined in Section 4(a)(x) hereof.

     Shelf Registration Statement: As defined in Section 4(a)(x) hereof.

     Transfer Restricted Securities: Each Initial Security, until the earliest to occur of (a) the
date on which such Initial Security is exchanged in the Exchange Offer for an Exchange Security
entitled to be resold to the public by the Holder thereof without complying with the prospectus
delivery requirements of the Securities Act, (b) the date on which such Initial Security has been
effectively registered under the Securities Act and disposed of in accordance with a Shelf
Registration Statement, (c) the date on which such Initial Security is distributed to the public
pursuant to Rule 144(k) under the Securities Act or by a Broker-Dealer pursuant to the “Plan of
Distribution” contemplated by the Exchange Offer Registration Statement (including delivery of the
Prospectus contained therein) and (d) the date on which such Initial Securities cease to be
outstanding for purposes of the Indenture.

     Trust Indenture Act: The Trust Indenture Act of 1939, as amended.

     Trustee: JPMorgan Chase Bank, N.A.

     Underwritten Offering: An offering in which securities of the Partnership are sold to an
underwriter for reoffering to the public.

     Williams Finance: As defined in the preamble hereto.

     Section 2. Securities Subject to this Agreement.

     (a) Transfer Restricted Securities. The Transfer Restricted Securities are entitled to the
benefits of this Agreement.

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     (b) Holders of Transfer Restricted Securities. A Person is deemed to be a holder of Transfer
Restricted Securities (each, a “Holder”) whenever such Person owns Transfer Restricted
Securities.

     Section 3. Registered Exchange Offer.

     (a) Unless the Exchange Offer shall not be permissible under applicable law or Commission
policy, the Issuers shall (i) cause to be filed with the Commission on or prior to 270 days after
the Closing Date, a Registration Statement under the Securities Act relating to the Exchange
Securities (other than Transfer Restricted Securities acquired by any Broker-Dealer directly from
the Issuers) and the Exchange Offer, (ii) use commercially reasonable efforts to cause such
Registration Statement to be declared effective by the Commission on or prior to 360 days after the
Closing Date, and (iii) upon the effectiveness of such Registration Statement, promptly commence
the Exchange Offer. The Exchange Offer shall be on the appropriate form permitting registration of
the Exchange Securities to be offered in exchange for the Transfer Restricted Securities (other
than Transfer Restricted Securities acquired by any Broker-Dealer directly from the Issuers) and to
permit resales of Initial Securities held by Broker-Dealers as contemplated by Section 3(c) hereof.

     (b) The Issuers shall use commercially reasonable efforts to cause the Exchange Offer to be
Consummated no later than 40 Business Days after the Exchange Offer Registration Statement has
become effective.

     (c) The Issuers shall indicate in a “Plan of Distribution” section contained in the Prospectus
forming a part of the Exchange Offer Registration Statement that any Broker-Dealer who holds
Initial Securities that are Transfer Restricted Securities and that were acquired for its own
account as a result of market-making activities or other trading activities (other than Transfer
Restricted Securities acquired directly from the Issuers) may exchange such Initial Securities
pursuant to the Exchange Offer; however, such Broker-Dealer may be deemed to be an “underwriter”
within the meaning of the Securities Act and must, therefore, deliver a prospectus meeting the
requirements of the Securities Act in connection with any resales of the Exchange Securities
received by such Broker-Dealer in the Exchange Offer, which prospectus delivery requirement may be
satisfied by the delivery by such Broker-Dealer of the Prospectus contained in the Exchange Offer
Registration Statement. Such “Plan of Distribution” section shall also contain all other
information with respect to such resales by Broker-Dealers that the Commission may require in order
to permit such resales pursuant thereto, but such “Plan of Distribution” shall not name any such
Broker-Dealer or disclose the amount of Initial Securities held by any such Broker-Dealer except to
the extent required by the Commission.

     The Issuers shall use commercially reasonable efforts to keep the Exchange Offer Registration
Statement continuously effective, supplemented and amended as required by the provisions of Section
6(c) hereof to the extent necessary to ensure that it is available for resales of Initial
Securities acquired by Broker-Dealers for their own accounts as a result of market-making
activities or other trading activities for a period ending on the earlier of (i) 180 days after
the Consummation of the Exchange Offer and (ii) the date on which a Broker-Dealer is no longer
required to deliver a prospectus in connection with market-making or other trading activities.

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     The Issuers shall promptly provide copies of the latest version of such Prospectus to
Broker-Dealers as may be reasonably requested at any time during such 180-day (or shorter as
provided in the foregoing sentence) period in order to facilitate such resales.

     Section 4. Shelf Registration.

     (a) Shelf Registration. If (i) the Issuers are not required to file an Exchange Offer
Registration Statement or to consummate the Exchange Offer because the Exchange Offer is not
permitted by applicable law or Commission policy, (ii) for any reason the Exchange Offer is not
Consummated within 40 Business Days after the Exchange Offer Registration Statement has become
effective or (iii) with respect to any Holder of Transfer Restricted Securities, such Holder
notifies the Partnership following the Consummation of the Exchange Offer that (A) because of any
change in law or in currently prevailing interpretations of the staff of the Commission, such
Holder (other than an Initial Purchaser holding Notes acquired directly from the Issuers) is
prohibited by applicable law or Commission policy from participating in the Exchange Offer, or (B)
such Holder may not resell the Exchange Securities acquired by it in the Exchange Offer to the
public without delivering a prospectus and that the Prospectus contained in the Exchange Offer
Registration Statement is not appropriate or available for such resales by such Holder, or (C) such
Holder is a Broker-Dealer and holds Initial Securities acquired directly from an Issuer or one of
its affiliates, then, in each case upon such Holder’s request in writing within 20 days after the
Consummation of the Exchange Offer, the Issuers shall:

     (x) use commercially reasonable efforts to cause to be filed a shelf registration
statement pursuant to Rule 415 under the Securities Act, which may be an amendment to the
Exchange Offer Registration Statement (in either event, the “Shelf Registration
Statement”), within 90 days after such filing obligation under clauses (i), (ii) or
(iii) of clause (a) above arises (such date being the “Shelf Filing Deadline”),
which Shelf Registration Statement shall provide for resales of all Transfer Restricted
Securities the Holders of which shall have provided the information required pursuant to
Section 4(b) hereof; and

     (y) use commercially reasonable efforts to cause such Shelf Registration Statement to
be declared effective by the Commission on or before the 270th day after the date on which
the filing obligation arises.

     The Issuers shall use commercially reasonable efforts to keep such Shelf Registration
Statement continuously effective, supplemented and amended as required by the provisions of
Sections 6(b) and (c) hereof to the extent necessary to ensure that it is available for resales of
Initial Securities by the Holders of Transfer Restricted Securities entitled to the benefit of this
Section 4(a) for a period of at least two years following the Closing Date (or shorter period (i)
that will terminate when all the Initial Securities covered by such Shelf Registration Statement
have been sold pursuant to such Shelf Registration Statement or (ii) as may be required pursuant to
Rule 144(k) under the Securities Act). The Issuers shall be deemed not to have used commercially
reasonable efforts to keep the Shelf Registration Statement effective during the requisite period
if any of the Issuers voluntarily takes any action that would result in Holders of Transfer
Restricted Securities covered thereby not being able to offer and sell such Transfer Restricted
Securities during that period, unless (A) such action is required by applicable law; or

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(B) such action is taken by any of the Issuers in good faith and for valid business reasons
(not including avoidance of the Issuers obligations hereunder) including, but not limited to, a
material business transaction or development such as the acquisition or divestiture of assets, so
long as the Issuers promptly thereafter comply with the requirements of the last paragraph of
Section 6(c) hereof (the period during which the Shelf Registration Statement is not available
under clauses (A) or (B) above, the “Blackout Period”). The Blackout Period shall not
exceed 45 days in any three-month period or 90 days in any twelve-month period.

     (b) Provision by Holders of Certain Information in Connection with the Shelf Registration
Statement. No Holder of Transfer Restricted Securities may include any of its Transfer Restricted
Securities in any Shelf Registration Statement pursuant to this Agreement unless and until such
Holder furnishes to the Partnership in writing, within 20 days after receipt of a request therefor,
such information as the Partnership may reasonably request for use in connection with any Shelf
Registration Statement or Prospectus or preliminary Prospectus included therein. Each Holder as to
which any Shelf Registration Statement is being effected agrees to furnish promptly to the
Partnership all information required to be disclosed in order to make the information previously
furnished to the Partnership by such Holder not materially misleading.

     Section 5. Additional Interest. If (i) any of the Registration Statements required by this Agreement is not
filed with the Commission on or prior to the date specified for such filing in this Agreement, (ii)
any of such Registration Statements has not been declared effective by the Commission on or prior
to the date specified for such effectiveness in this Agreement (the “Effectiveness Target
Date”), (iii) the Exchange Offer has not been Consummated within 40 Business Days after the
Exchange Offer Registration Statement has become effective under the Securities Act or (iv) the
Shelf Registration Statement or the Exchange Offering Registration Statement is filed and declared
effective but shall thereafter cease to be effective or fail to be usable for its intended purpose,
except during any Blackout Period, without being succeeded immediately by a post-effective
amendment to such Registration Statement that cures such failure and that is itself immediately
declared effective (each such event referred to in clauses (i) through (iv), a “Registration
Default”), the Issuers hereby agree that the interest rate borne by the Transfer Restricted
Securities shall be increased by 0.25% per annum during the 90-day period immediately following the
occurrence of any Registration Default and shall increase by 0.25% per annum 90 days thereafter
until all Registration Defaults have been cured, but in no event shall such aggregate additional
interest exceed 0.5% per annum. Such additional interest to be paid pursuant to a Registration
Default as set forth in this Section 5 is herein referred to as “Additional Interest.” The
Issuers shall not be required to pay Additional Interest for more than one Registration Default at
any given time. Following the cure of all Registration Defaults relating to any particular
Transfer Restricted Securities, the interest rate borne by the relevant Transfer Restricted
Securities will be reduced to the original interest rate borne by such Transfer Restricted
Securities; provided, however, that, if after any such reduction in interest rate, a different
Registration Default occurs, the interest rate borne by the relevant Transfer Restricted Securities
shall again be increased pursuant to the foregoing provisions.

     All Additional Interest accrued pursuant to this Section 5 shall be paid in the manner
provided for in the Indenture. All obligations of the Issuers set forth in the preceding paragraph
that are outstanding with respect to any Transfer Restricted Security at the time such security

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ceases to be a Transfer Restricted Security shall survive until such time as all such
obligations with respect to such security shall have been satisfied in full.

     Section 6. Registration Procedures.

     (a) Exchange Offer Registration Statement. In connection with the Exchange Offer, the Issuers
shall comply with all of the provisions of Section 6(c) hereof, shall use commercially reasonable
efforts to effect such exchange to permit the sale of Transfer Restricted Securities being sold in
accordance with the intended method or methods of distribution thereof. As a condition to its
participation in the Exchange Offer pursuant to the terms of this Agreement, each Holder of
Transfer Restricted Securities shall furnish, upon the request of the Issuers, prior to the
Consummation thereof, a written representation to the Issuers (which may be contained in the letter
of transmittal contemplated by the Exchange Offer Registration Statement) to the effect that (A) it
is not an affiliate (within the meaning of Rule 405 under the Securities Act) of either of the
Issuers, (B) it is not engaged in, and does not intend to engage in, and has no arrangement or
understanding with any Person to participate in, a distribution of the Exchange Securities to be
issued in the Exchange Offer and (C) it is acquiring the Exchange Securities in its ordinary course
of business. In addition, all such Holders of Transfer Restricted Securities shall otherwise
cooperate in the Issuers’ preparations for the Exchange Offer. Each Holder hereby acknowledges and
agrees that any Broker-Dealer and any such Holder using the Exchange Offer to participate in a
distribution of the securities to be acquired in the Exchange Offer (1) could not under Commission
policy as in effect on the date of this Agreement rely on the position of the Commission enunciated
in Morgan Stanley and Co., Inc. (available June 5, 1991) and Exxon Capital Holdings
Corporation (available May 13, 1988), as interpreted in the Commission’s letter to Shearman &
Sterling dated July 2, 1993, and similar no-action letters, and (2) must comply with the
registration and prospectus delivery requirements of the Securities Act in connection with a
secondary resale transaction and that such a secondary resale transaction should be covered by an
effective registration statement containing the selling security holder information required by
Item 507 or 508, as applicable, of Regulation S-K if the resales are of Exchange Securities
obtained by such Holder in exchange for Initial Securities acquired by such Holder directly from
the Issuers.

     (b) Shelf Registration Statement. In connection with the Shelf Registration Statement, the
Issuers shall comply with all the provisions of Section 6(c) hereof and shall use commercially
reasonable efforts to effect such registration to permit the sale of the Transfer Restricted
Securities being sold in accordance with the intended method or methods of distribution thereof,
and pursuant thereto the Issuers will prepare and file with the Commission a Registration Statement
relating to the registration on any appropriate form under the Securities Act, which form shall be
available for the sale of the Transfer Restricted Securities in accordance with the intended method
or methods of distribution thereof.

     (c) General Provisions. In connection with any Registration Statement and any Prospectus
required by this Agreement to permit the sale or resale of Transfer Restricted Securities
(including, without limitation, any Registration Statement and the related Prospectus required to
permit resales of Initial Securities by Broker-Dealers), the Issuers shall:

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     (i) use commercially reasonable efforts to keep such Registration Statement
continuously effective and provide all requisite financial statements for the period
specified in Section 3 or 4 hereof, as applicable; upon the occurrence of any event that
would cause any such Registration Statement or the Prospectus contained therein (A) to
contain a material misstatement or omission or (B) not to be effective and usable for resale
of Transfer Restricted Securities during the period required by this Agreement, the Issuers
shall file promptly an appropriate amendment to such Registration Statement, in the case of
clause (A), correcting any such misstatement or omission, and, in the case of either clause
(A) or (B), use commercially reasonable efforts to cause such amendment to be declared
effective and such Registration Statement and the related Prospectus to become usable for
their intended purpose(s) as soon as practicable thereafter;

     (ii) prepare and file with the Commission such amendments and post-effective amendments
to the applicable Registration Statement as may be necessary to keep the Registration
Statement effective for the applicable period set forth in Section 3 or 4 hereof, as
applicable, or such shorter period as set forth in this Agreement; cause the Prospectus to
be supplemented by any required Prospectus supplement, and as so supplemented to be filed
pursuant to Rule 424 under the Securities Act, and to comply fully with the applicable
provisions of Rules 424 and 430A under the Securities Act in a timely manner; and comply
with the provisions of the Securities Act with respect to the disposition of all securities
covered by such Registration Statement during the applicable period in accordance with the
intended method or methods of distribution by the sellers thereof set forth in such
Registration Statement or supplement to the Prospectus;

     (iii) advise the lead or managing underwriter, if any, and selling Holders promptly
and, if requested by such Persons, to confirm such advice in writing, (A) when the Shelf
Registration Statement or any post-effective amendment thereto is filed and when the same
has become effective, (B) of any request by the Commission for amendments to the
Registration Statement or amendments or supplements to the Prospectus or for additional
information relating thereto, (C)of the issuance by the Commission of any stop order
suspending the effectiveness of the Registration Statement under the Securities Act or of
the suspension by any state securities commission of the qualification of the Transfer
Restricted Securities for offering or sale in any jurisdiction, and (D) of the existence of
any fact or the happening of any event that makes any statement of a material fact made in
the Registration Statement, the Prospectus, any amendment or supplement thereto, or any
document incorporated by reference therein untrue, or that requires the making of any
additions to or changes in the Registration Statement or the Prospectus in order to make the
statements therein (with respect to the Prospectus, in the light of the circumstances under
which they were made) not misleading. If at any time the Commission shall issue any stop
order suspending the effectiveness of the Registration Statement, or any state securities
commission or other regulatory authority shall issue an order suspending the qualification
or exemption from qualification of the Transfer Restricted Securities under state securities
or blue sky laws, the Issuers shall use commercially reasonable efforts to obtain the
withdrawal or lifting of such order at the earliest possible time;

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     (iv) in the case of a Shelf Registration Statement, furnish without charge to the
Initial Purchasers, each selling Holder named in any Registration Statement, and each of the
underwriter(s), if any, before filing with the Commission, copies of any Registration
Statement or any Prospectus included therein or any amendments or supplements to any such
Registration Statement or Prospectus, which documents will be subject to the review and
comment of such Holders and underwriter(s) in connection with such sale, if any, for a
period of at least two Business Days; and not file any such Registration Statement or
Prospectus or any amendment or supplement to any such Registration Statement or Prospectus
(including all such documents incorporated by reference) to which an Initial Purchaser of
Transfer Restricted Securities covered by such Registration Statement or the lead or
managing underwriter(s), if any, shall reasonably object in writing within two Business Days
after the receipt thereof (such objection to be deemed timely made upon confirmation of
telecopy transmission within such period;

     (v) in the case of a Shelf Registration Statement, make available during normal
business hours for inspection by the Initial Purchasers, the managing underwriter(s), if
any, participating in any disposition pursuant to such Shelf Registration Statement and any
attorney or accountant retained by the Initial Purchasers or the lead or managing
underwriter, all financial and other records, pertinent corporate documents and properties
of the Issuers and cause the Issuers’ officers, directors and employees to supply all
information reasonably requested by any such Holder, underwriter, attorney or accountant in
connection with such Shelf Registration Statement or any post-effective amendment thereto
subsequent to the filing thereof and prior to its effectiveness, in each case, that would
customarily be reviewed in connection with a “due diligence” review of the Issuers;

     (vi) in the case of a Shelf Registration Statement, if requested by any Holder,
promptly incorporate in such Prospectus, pursuant to a supplement, such information as such
selling Holders and the lead or managing underwriter, if any, may reasonably request to have
included therein, including, without limitation, information relating to the “Plan of
Distribution” of the Transfer Restricted Securities, information with respect to the
principal amount of Transfer Restricted Securities being sold to such underwriter(s), the
purchase price being paid therefor and any other terms of the offering of the Transfer
Restricted Securities to be sold in such offering; and make all required filings of such
Prospectus supplement as soon as practicable after the Partnership is notified of the
matters to be incorporated in such Prospectus supplement;

     (vii) in the case of a Shelf Registration Statement, furnish to each Initial Purchaser,
each selling Holder and each of the underwriter(s), if any, without charge, at least one
copy of such Shelf Registration Statement, as first filed with the Commission, and of each
amendment thereto, including, if they so request, financial statements and schedules, all
documents incorporated by reference therein and all exhibits (including exhibits
incorporated therein by reference);

     (viii) in the case of a Shelf Registration Statement, deliver to each selling Holder
and each of the underwriter(s), if any, without charge, as many copies of the Prospectus
(including each preliminary prospectus) and any amendment or supplement

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thereto as such Persons reasonably may request; the Issuers hereby consent to the use
of the Prospectus and any amendment or supplement thereto by each of the selling Holders and
each of the underwriter(s), if any, in connection with the offering and the sale of the
Transfer Restricted Securities covered by the Prospectus or any amendment or supplement
thereto;

     (ix) in the case of a Shelf Registration Statement, upon the request of a majority of
the Holders of Transfer Restricted Securities, enter into such agreements (including an
underwriting agreement), and make such representations and warranties, and take all such
other actions in connection therewith in order to expedite or facilitate the disposition of
the Transfer Restricted Securities in connection with any resale pursuant to any Shelf
Registration Statement contemplated by this Agreement in an Underwritten Offering, the
Issuers shall:

     (A) furnish to each Initial Purchaser, each selling Holder and each
underwriter, if any, in such substance and scope as they may reasonably request
and as are customarily made by issuers to underwriters in secondary underwritten
offerings, upon the effectiveness of the Shelf Registration Statement:

     (1) opinions of counsel for the Issuers, covering such matters as are
customarily covered in opinions requested in secondary underwritten
offerings; and

     (2) a comfort letter from the Partnership’s registered independent
public accountants, in the customary form and covering matters of the type
customarily requested to be covered in comfort letters by underwriters in
connection with secondary underwritten offerings;

     (B) enter into an underwriting agreement with the underwriters, or
representatives thereof, that contains customary terms and provisions for an
Underwritten Offering, including indemnification provisions in favor of the
underwriters and the selling unitholders; and

     (C) deliver such other documents and certificates as may be reasonably
requested by the Holders of a majority of the Transfer Restricted Securities to
evidence compliance with Section 6(c)(viii)(A) above and with any customary
conditions contained in the underwriting agreement or other agreement entered into
by the Issuers pursuant to this Section 6(c)(viii), if any.

     If at any time the representations and warranties of the Issuers contemplated in
Section 6(c)((A)(1) hereof cease to be true and correct, the Issuers shall so advise the
Initial Purchasers and the underwriter(s), if any, and each selling Holder promptly and, if
requested by such Persons, shall confirm such advice in writing;

     (ix) in the case of any Shelf Registration Statement, prior to any public offering of
Transfer Restricted Securities pursuant thereto, cooperate with the selling Holders, the
underwriter(s), if any, and their respective counsel in connection with the

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registration and qualification of the Transfer Restricted Securities under the state
securities or blue sky laws of such jurisdictions as the selling Holders or underwriter(s),
if any, may request and do any and all other acts or things reasonably necessary or
advisable to enable the disposition in such jurisdictions of the Transfer Restricted
Securities covered by the Shelf Registration Statement; provided, however, that none of the
Issuers shall be required to register or qualify as a foreign corporation where it is not
then so qualified or to take any action that would subject it to the service of process in
suits or to taxation in any jurisdiction where it is not then so subject;

     (x) in the case of a Shelf Registration Statement, cooperate with the selling Holders
and the underwriter(s), if any, to facilitate the timely preparation and delivery of
certificates representing Transfer Restricted Securities to be sold and not bearing any
restrictive legends; and enable such Transfer Restricted Securities to be in such
denominations and registered in such names as the Holders or the underwriter(s), if any, may
request at least two Business Days prior to any sale of Transfer Restricted Securities made
by such Holders or underwriter(s);

     (xi) if any fact or event contemplated by Section 6(c)(iii)(D) hereof shall exist or
have occurred, prepare a supplement or post-effective amendment to the Registration
Statement or related Prospectus or any document incorporated therein by reference or file
any other required document so that, as thereafter delivered to the purchasers of Transfer
Restricted Securities, the Prospectus will not contain an untrue statement of a material
fact or omit to state any material fact necessary in order to make the statements therein,
in the light of the circumstances under which they were made, not misleading;

     (xii) provide a CUSIP number for all Securities not later than the effective date of
the Registration Statement covering such Securities and provide the Trustee under the
Indenture with one or more global certificates for such Securities which are in a form
eligible for deposit with The Depository Trust Company and take all other action necessary
to ensure that all such Securities are eligible for deposit with The Depository Trust
Company;

     (xiii) cooperate with and assist each selling Holder in connection with any filings
required to be made with the NASD;

     (xiv) otherwise use commercially reasonable efforts to comply with all applicable rules
and regulations of the Commission, and make generally available to its security holders, as
soon as practicable, a consolidated earnings statement meeting the requirements of Rule 158
(which need not be audited) for the twelve-month period (A) commencing at the end of any
fiscal quarter in which Transfer Restricted Securities are sold to underwriters in a firm
commitment or best efforts Underwritten Offering or (B) if not sold to underwriters in such
an offering, beginning with the first month of the Partnership’s first fiscal quarter
commencing after the effective date of the Registration Statement; and

11

 

     (xv) cause the Indenture to be qualified under the Trust Indenture Act not later than
the effective date of the first Registration Statement required by this Agreement, and, in
connection therewith, cooperate with the Trustee and the Holders of Securities to effect
such changes to the Indenture as may be required for such Indenture to be so qualified in
accordance with the terms of the Trust Indenture Act; and to execute and use commercially
reasonable efforts to cause the Trustee to execute, all documents that may be required to
effect such changes and all other forms and documents required to be filed with the
Commission to enable such Indenture to be so qualified in a timely manner.

     Each Holder agrees by acquisition of a Transfer Restricted Security that, upon receipt of any
notice from the Partnership of the existence of any fact of the kind described in Section
6(c)(iii)(D) hereof or any Blackout Period described in Section 4(a) hereof, such Holder will
forthwith discontinue disposition of Transfer Restricted Securities pursuant to the applicable
Registration Statement until such Holder’s receipt of the copies of the supplemented or amended
Prospectus contemplated by Section 6(c)(ix) hereof, or until it is advised (the “Advice”)
by the Partnership that the use of the Prospectus may be resumed, and has received copies of any
additional or supplemental filings that are incorporated by reference in the Prospectus. If so
directed by the Partnership, each Holder will deliver to the Issuers (at the Partnership’s expense)
all copies, other than permanent file copies then in such Holder’s possession, of the Prospectus
covering such Transfer Restricted Securities that was current at the time of receipt of such
notice. In the event the Partnership shall give any such notice, the time period regarding the
effectiveness of such Registration Statement set forth in Section 3 or 4 hereof, as applicable,
shall be extended by the number of days during the period from and including the date of the giving
of such notice pursuant to Section 6(c)(iii)(D) hereof or notice of any Blackout Period to and
including the date when each selling Holder covered by such Registration Statement shall have
received the copies of the supplemented or amended Prospectus contemplated by Section 6(c)(ix)
hereof or shall have received the Advice.

     Section 7. Registration Expenses.

     (a) All expenses incident to the Issuers’ performance of or compliance with this Agreement
will be borne by the Issuers, jointly and severally, regardless of whether a Registration Statement
becomes effective, including, without limitation: (i) all registration and filing fees and expenses
(including filings made by any Initial Purchaser or Holder with the NASD); (ii) all fees and
expenses of compliance with federal securities and state securities or blue sky laws; (iii) all
expenses of printing (including printing certificates for the Exchange Securities to be issued in
the Exchange Offer and printing of Prospectuses), messenger and delivery services and telephone;
(iv) all fees and disbursements of counsel for the Issuers and, subject to Section 7(b) hereof, the
Holders of Transfer Restricted Securities; (v) all application and filing fees in connection with
listing the Exchange Securities on a securities exchange or automated quotation system pursuant to
the requirements thereof; (vi) all fees and disbursements of independent certified public
accountants of the Issuers (including the expenses of any special audit and comfort letters
required by or incident to such performance) and (vii) all fees and disbursements of the Trustee
and its counsel.

12

 

     The Issuers will, in any event, bear their internal expenses (including, without limitation,
all salaries and expenses of their officers and employees performing legal or accounting duties),
the expenses of any annual audit and the fees and expenses of any Person, including special
experts, retained by the Issuers.

     (b) In connection with any Shelf Registration Statement, the Issuers, jointly and severally,
will reimburse the Holders of Transfer Restricted Securities being registered pursuant to the Shelf
Registration Statement for the reasonable fees and disbursements of not more than one counsel, who
shall be Vinson & Elkins L.L.P. or such other counsel as may be chosen by the Holders of a majority
in principal amount of the Transfer Restricted Securities for whose benefit such Registration
Statement is being prepared.

     Section 8. Indemnification.

     (a) The Issuers, jointly and severally, agree to indemnify and hold harmless (i) each Holder
and (ii) each Person, if any, who controls (within the meaning of Section 15 of the Securities Act
or Section 20 of the Exchange Act) any such Holder or is controlled by such Holder (any of the
Persons referred to in this clause (ii) being hereinafter referred to as a “Participant”)
(any Person referred to in clause (i) or (ii) may hereinafter be referred to as an “Indemnified
Holder”), to the fullest extent lawful, from and against any and all losses, claims, damages or
liabilities (including, without limitation, and as incurred, reimbursement of each such
Indemnified Holder for any legal or other expenses reasonably incurred by them in connection with
investigating or defending any such loss, claim, damage, liability) arising out of or based upon
any untrue statement or alleged untrue statement of a material fact contained in any Registration
Statement or Prospectus (or any amendment or supplement thereto), or any omission or alleged
omission to state therein a material fact required to be stated therein or necessary to make the
statements therein (with respect to the Prospectus, in the light of the circumstances under which
they were made) not misleading, except insofar as such losses, claims, damages, liabilities or
actions are caused by an untrue statement or omission or alleged untrue statement or omission that
is made in reliance upon and in conformity with information relating to any of the Holders
furnished in writing to the Partnership by or on behalf of any of the Holders expressly for use
therein. This indemnity agreement shall be in addition to any liability that the Issuers may
otherwise have.

     In case any action or proceeding (including any governmental or regulatory investigation or
proceeding) shall be brought or asserted against any of the Indemnified Holders with respect to
which indemnity may be sought against either Issuer, such Indemnified Holder (or the Indemnified
Holder controlled by or controlling such Participant) shall promptly notify the Issuers in writing;
provided, however, that the failure to give such notice shall not relieve any of the Issuers of its
obligations pursuant to this Agreement unless either Issuer is materially prejudiced by such
delay. Upon the request of an Indemnified Holder, the Issuers shall retain counsel reasonably
satisfactory to such Indemnified Holder to represent such Indemnified Party and any others the
Issuers may designate in such proceeding and the fees and expenses of such counsel shall be paid,
as incurred, by the Issuers. The Issuers shall not, in connection with any one such action or
proceeding or separate but substantially similar or related actions or proceedings in the same
jurisdiction arising out of the same general allegations or circumstances, be liable for the
reasonable fees and expenses of more than one separate firm of attorneys (in

13

 

addition to any local counsel) at any time for such Indemnified Holders. The Issuers shall
not be liable for any settlement of any such action or proceeding effected without the Issuers’
prior written consent, but if settled with such consent, the Issuers agree to indemnify and hold
harmless any Indemnified Holder from and against any loss, claim, damage or liability by reason of
such settlement. The Issuers shall not, without the prior written consent of each Indemnified
Holder, settle or compromise or consent to the entry of judgment in or otherwise seek to terminate
any pending or threatened action, claim, litigation or proceeding in respect of which
indemnification or contribution may be sought hereunder (whether or not any Indemnified Holder is a
party thereto), unless such settlement, compromise, consent or termination includes an
unconditional release of each Indemnified Holder from all liability arising out of such action,
claim, litigation or proceeding.

     (b) Each Holder of Transfer Restricted Securities agrees, severally and not jointly, to
indemnify and hold harmless the Issuers, the officers and directors of the Issuers who sign a
Registration Statement, any Person controlling (within the meaning of Section 15 of the Securities
Act or Section 20 of the Exchange Act) either Issuer, the Initial Purchasers and the other selling
Holders , to the same extent as the foregoing indemnity from the Issuers to each of the Indemnified
Holders, but only with respect to claims and actions based on information relating to such Holder
furnished in writing by or on behalf of such Holder expressly for use in any Registration Statement
or Prospectus. In case any action or proceeding shall be brought against the Issuers or their
respective directors or officers or any such Participant in respect of which indemnity may be
sought against a Holder of Transfer Restricted Securities, such Holder shall have the rights and
duties given the Issuers, and the Issuers, their respective directors and officers and such
Participant shall have the rights and duties given to each Holder by the preceding paragraph. This
indemnity agreement shall be in addition to any liability that the Holders of Transfer Restricted
Securities may otherwise have.

     (c) If the indemnification provided for in this Section 8 is unavailable to an indemnified
party under Section 8(a) or (b) hereof (other than by reason of exceptions provided in those
Sections) in respect of any losses, claims, damages, or liabilities or actions referred to therein,
then each applicable indemnifying party, in lieu of indemnifying such indemnified party, shall
contribute to the amount paid or payable by such indemnified party as a result of such losses,
claims, damages, liabilities (including any reasonable legal or other expenses reasonably incurred
in connection with investigating or defending same) in such proportion as is appropriate to reflect
the relative fault of the Issuers, on the one hand, and the Holders, on the other hand, in
connection with the statements or omissions which resulted in such losses, claims, damages,
liabilities or actions, as well as any other relevant equitable considerations. The relative fault
of the Issuers on the one hand and of the Indemnified Holder on the other shall be determined by
reference to, among other things, whether the untrue or alleged untrue statement of a material fact
or the omission or alleged omission to state a material fact relates to information supplied by the
Issuers, on the one hand, or the Indemnified Holders, on the other hand, and the parties’ relative
intent, knowledge, access to information and opportunity to correct or prevent such statement or
omission. The amount paid or payable by a party as a result of the losses, claims, damages,
liabilities or actions referred to above shall be deemed to include, subject to the limitations set
forth in the second paragraph of Section 8(a) hereof, any legal or other fees or expenses
reasonably incurred by such party in connection with investigating or defending any action or
claim.

14

 

     The Issuers and each Holder of Transfer Restricted Securities agree that it would not be just
and equitable if contribution pursuant to this Section 8(c) were determined by pro rata allocation
(even if the Holders were treated as one entity for such purpose) or by any other method of
allocation which does not take account of the equitable considerations referred to in the
immediately preceding paragraph. The amount paid or payable by an indemnified party as a result of
the losses, claims, damages, liabilities or actions referred to in the immediately preceding
paragraph shall be deemed to include, subject to the limitations set forth above, any reasonable
legal or other expenses reasonably incurred by such indemnified party in connection with
investigating or defending any such action or claim. Notwithstanding the provisions of this
Section 8, none of the Holders (and its related Indemnified Holders) shall be required to
contribute, in the aggregate, any amount in excess of the amount by which the aggregate price at
which Transfer Restricted Securities were sold by such Holder exceeds the amount of any damages
which such Holder has otherwise been required to pay by reason of such untrue or alleged untrue
statement or omission or alleged omission. No Person guilty of fraudulent misrepresentation
(within the meaning of Section 11(f) of the Securities Act) shall be entitled to contribution from
any Person who was not guilty of such fraudulent misrepresentation. The Holders’ obligations to
contribute pursuant to this Section 8(c) are several in proportion to the respective principal
amount of Initial Securities held by each of the Holders hereunder and not joint.

     Section 9. Rule 144 and 144A Information. The Issuers hereby agree with each Holder, for so long as any
Transfer Restricted Securities remain outstanding, to make available to any Holder or beneficial
owner of Transfer Restricted Securities in connection with any sale thereof and any prospective
purchaser of such Transfer Restricted Securities from such Holder or beneficial owner, the
information required by Rule 144A(d)(4) under the Securities Act in order to permit resales of such
Transfer Restricted Securities pursuant to Rule 144A under the Securities Act.

     Section 10. Participation in Underwritten Offerings. No Holder may participate in any Underwritten Offering
hereunder unless such Holder (a) agrees to sell such Holder’s Transfer Restricted Securities on the
basis provided in any underwriting arrangements approved by the Persons entitled hereunder to
approve such arrangements and (b) completes and executes all reasonable questionnaires, powers of
attorney, indemnities, underwriting agreements, lock-up letters and other documents required under
the terms of such underwriting arrangements.

     Section 11. Selection of Underwriters. The Holders of Transfer Restricted Securities covered by the Shelf
Registration Statement who desire to do so may sell such Transfer Restricted Securities in an
Underwritten Offering. In any such Underwritten Offering, the investment banker(s) and managing
underwriter(s) that will administer such offering will be selected by the Holders of a majority in
aggregate principal amount of the Transfer Restricted Securities included in such offering;
provided, however, that such investment banker(s) and managing underwriter(s) must be reasonably
satisfactory to the Issuers.

     Section 12. Miscellaneous.

     (a) Remedies. The provisions for Additional Interest in Section 5 during a Registration
Default shall be the only monetary remedy available to Holders hereunder. The

15

 

Issuers hereby agree
that monetary damages would not be adequate compensation for any loss
incurred by reason of a breach by them of any other provisions of this Agreement and hereby
agree to waive the defense in any action for specific performance that a remedy at law would be
adequate.

     (b) No Inconsistent Agreements. The Issuers have not and, on or after the date of this
Agreement will not enter into any agreement with respect to its securities that is inconsistent
with the rights granted to the Holders in this Agreement or otherwise conflicts with the provisions
hereof. The rights granted to the Holders hereunder do not in any way conflict with and are not
inconsistent with the rights granted to the holders of the Issuers’ securities under any agreement
in effect on the date hereof.

     (c) Amendments and Waivers. The provisions of this Agreement may not be amended, modified or
supplemented, and waivers or consents to or departures from the provisions hereof may not be given
unless the Issuers have obtained the written consent of Holders of a majority of the outstanding
principal amount of Transfer Restricted Securities. Notwithstanding the foregoing, a waiver or
consent to departure from the provisions hereof that relates exclusively to the rights of Holders
whose securities are being tendered pursuant to the Exchange Offer and that does not affect
directly or indirectly the rights of other Holders whose securities are not being tendered pursuant
to such Exchange Offer may be given by the Holders of a majority of the outstanding principal
amount of Transfer Restricted Securities being tendered or registered; provided, however, that,
with respect to any matter that directly or indirectly affects the rights of any Initial Purchaser
hereunder, the Issuers shall obtain the written consent of each such Initial Purchaser with respect
to which such amendment, qualification, supplement, waiver, consent or departure is to be
effective.

     (d) Notices. All notices and other communications provided for or permitted hereunder shall
be made in writing by hand-delivery, first-class mail (registered or certified, return receipt
requested), telex, telecopier, or air courier guaranteeing overnight delivery:

     (i) if to a Holder, at the address set forth on the records of the Registrar under the
Indenture, with a copy to the Registrar under the Indenture;

     (ii) if to the Issuers, initially at their addresses set forth in the Purchase
Agreement;

     (iii) if to the Initial Purchasers, initially at the address or addresses set forth in
the Purchase Agreement with respect to the Representatives.

     All such notices and communications shall be deemed to have been duly given: at the time
delivered by hand, if personally delivered; five Business Days after being deposited in the mail,
postage prepaid, if mailed; when answered back, if telexed; when receipt acknowledged, if
telecopied; and on the next Business Day, if timely delivered to an air courier guaranteeing
overnight delivery.

     Copies of all such notices, demands or other communications shall be concurrently delivered by
the Person giving the same to the Trustee at the address specified in the Indenture.

16

 

     (e) Successors and Assigns. This Agreement shall inure to the benefit of and be binding upon
the successors and assigns of each of the parties, including, without limitation, and without the
need for an express assignment, subsequent Holders of Transfer Restricted Securities; provided,
however, that this Agreement shall not inure to the benefit of or be binding upon a successor or
assign of a Holder unless and to the extent such successor or assign acquired Transfer Restricted
Securities from such Holder.

     (f) Counterparts. This Agreement may be executed in any number of counterparts and by the
parties hereto in separate counterparts, each of which when so executed shall be deemed to be an
original and all of which taken together shall constitute one and the same agreement.

     (g) Headings. The headings in this Agreement are for convenience of reference only and shall
not limit or otherwise affect the meaning hereof.

     (h) Governing Law. THIS AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE
LAWS OF THE STATE OF NEW YORK, WITHOUT REGARD TO THE CONFLICTS OF LAW RULES THEREOF.

     (i) Severability. In the event that any one or more of the provisions contained herein, or
the application thereof in any circumstance, is held invalid, illegal or unenforceable, the
validity, legality and enforceability of any such provision in every other respect and of the
remaining provisions contained herein shall not be affected or impaired thereby.

     (j) Entire Agreement. This Agreement is intended by the parties as a final expression of
their agreement and intended to be a complete and exclusive statement of the agreement and
understanding of the parties hereto in respect of the subject matter contained herein. There are
no restrictions, promises, warranties or undertakings, other than those set forth or referred to
herein with respect to the registration rights granted by the Issuers with respect to the Transfer
Restricted Securities. This Agreement supersedes all prior agreements and understandings among the
parties with respect to such subject matter.

[Signature page follows.]

17

 

     IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first written
above.

	 	 	 	 	 
	 	 	WILLIAMS PARTNERS L.P.
	 
	 	 	 	 
	 

	 	By:
	 	Williams Partners GP LLC,

its General Partner
	 
	 	 	 	 
	 

	 	By:	 	/s/ S. J. Malcolm 
	 

	 	 	 	 
	 

	 	Name:	 	Steven J. Malcolm 
	 

	 	Title:	 	Chief Executive Officer 
	 
	 	 	 	 
	 	 	WILLIAMS PARTNERS FINANCE CORPORATION
	 
	 	 	 	 
	 

	 	By:	 	/s/ S. J. Malcolm 
	 

	 	 	 	 
	 

	 	Name:	 	Steven J. Malcolm 
	 

	 	Title:	 	Chief Executive Officer 

	 	 	 	 	 
	The foregoing Agreement is hereby
confirmed and accepted as of the
date first above written.	 	 
	 
	 	 	 	 
	For themselves and the other several
Initial Purchasers named in Schedule I 
to the Purchase Agreement.	 	 
	 
	 	 	 	 
	CITIGROUP GLOBAL MARKETS INC.	 	 
	 
	 	 	 	 
	By:
	 	/s/ Michael Casey 	 	 
	 

	 	 

Name: Michael Casey
	 	 
	 

	 	Title: Vice President	 	 
	 
	 	 	 	 
	LEHMAN BROTHERS INC.	 	 
	 
	 	 	 	 
	By:
	 	/s/ Rob Pierce 	 	 
	 

	 	 

Name: Rob Pierce
	 	 
	 

	 	Title: Managing Director	 	 

Signature Page to Registration Rights Agreementexv10w1

 

Exhibit 10.1

CONTRIBUTION, CONVEYANCE AND ASSUMPTION AGREEMENT

BY AND AMONG

WILLIAMS ENERGY SERVICES, LLC,

WILLIAMS FIELD SERVICES COMPANY, LLC,

WILLIAMS FIELD SERVICES GROUP, LLC,

WILLIAMS PARTNERS GP LLC,

WILLIAMS PARTNERS L.P.

AND

WILLIAMS PARTNERS OPERATING LLC

DATED AS OF JUNE 20, 2006

 

 

TABLE OF CONTENTS

	 	 	 	 	 	 	 	 	 	 	 
	 	 	 	 	 	 	 	 	Page
	ARTICLE I DEFINITIONS; RECORDATION	 	 	3	 
	 

	 	 	1.1	 	 	Definitions
	 	 	3	 
	 
	 	 	 	 	 	 	 	 	 	 
	ARTICLE II CONCURRENT TRANSACTIONS	 	 	5	 
	 

	 	 	2.1	 	 	Distribution by WFSC of the Subject Interest to WFSG
	 	 	5	 
	 

	 	 	2.2	 	 	Distribution by WFSG of the Subject Interest to WES
	 	 	5	 
	 

	 	 	2.3	 	 	Contribution by WES of the Subject Interest to the General Partner
	 	 	5	 
	 

	 	 	2.4	 	 	Contribution by the General Partner of the Subject Interest to the Partnership
	 	 	5	 
	 

	 	 	2.5	 	 	Distribution of Cash Consideration
	 	 	5	 
	 

	 	 	2.6	 	 	Increase in Capital Account of the General Partner
	 	 	6	 
	 

	 	 	2.7	 	 	Distribution of General Partner Units
	 	 	6	 
	 

	 	 	2.8	 	 	Contribution by the Partnership of the Subject Interest to the Operating Company
	 	 	6	 
	 
	 	 	 	 	 	 	 	 	 	 
	ARTICLE III ASSUMPTION OF CERTAIN LIABILITIES	 	 	6	 
	 

	 	 	3.1	 	 	Assumption of Subject Liabilities by WFSG
	 	 	6	 
	 

	 	 	3.2	 	 	Assumption of Subject Liabilities by WES
	 	 	6	 
	 

	 	 	3.3	 	 	Assumption of Subject Liabilities by the General Partner
	 	 	6	 
	 

	 	 	3.4	 	 	Assumption of Subject Liabilities by the Partnership
	 	 	7	 
	 

	 	 	3.5	 	 	Assumption of Subject Liabilities by the Operating Company
	 	 	7	 
	 

	 	 	3.6	 	 	General Provisions Relating to Assumption of Liabilities
	 	 	7	 
	 
	 	 	 	 	 	 	 	 	 	 
	ARTICLE IV FURTHER ASSURANCES	 	 	7	 
	 

	 	 	4.1	 	 	Further Assurances
	 	 	7	 
	 

	 	 	4.2	 	 	Other Assurances
	 	 	8	 
	 
	 	 	 	 	 	 	 	 	 	 
	ARTICLE V MISCELLANEOUS	 	 	8	 
	 

	 	 	5.1	 	 	Order of Completion of Transactions
	 	 	8	 
	 

	 	 	5.2	 	 	Costs
	 	 	8	 
	 

	 	 	5.3	 	 	Headings; References; Interpretation
	 	 	8	 
	 

	 	 	5.4	 	 	Successors and Assigns
	 	 	9	 
	 

	 	 	5.5	 	 	No Third Party Rights
	 	 	9	 
	 

	 	 	5.6	 	 	Counterparts
	 	 	9	 
	 

	 	 	5.7	 	 	Governing Law
	 	 	9	 
	 

	 	 	5.8	 	 	Assignment of Agreement
	 	 	9	 
	 

	 	 	5.9	 	 	Amendment or Modification
	 	 	9	 
	 

	 	 	5.10	 	 	Director and Officer Liability
	 	 	9	 
	 

	 	 	5.11	 	 	Severability
	 	 	10	 
	 

	 	 	5.12	 	 	Integration
	 	 	10	 
	 

	 	 	5.13	 	 	Effect of Amendment
	 	 	10	 

-i-

 

CONTRIBUTION, CONVEYANCE AND ASSUMPTION AGREEMENT

     THIS CONTRIBUTION, CONVEYANCE AND ASSUMPTION AGREEMENT (this “Agreement”) dated as of
June 20, 2006, is made and entered into by and among Williams Energy Services, LLC, a Delaware
limited liability company (“WES”), Williams Field Services Company, LLC, a Delaware limited
liability company (“WFSC”), Williams Field Services Group, LLC, a Delaware limited
liability company (“WFSG”), Williams Partners GP LLC, a Delaware limited liability company
(the “General Partner” and, together with WES, WFSC and WFSG, the “Transferor
Parties”), Williams Partners L.P., a Delaware limited partnership (the “Partnership”),
and Williams Partners Operating LLC, a Delaware limited liability company (the “Operating
Company”). The above-named entities are sometimes referred to in this Agreement each as a
“Party” and collectively as the “Parties.” Certain capitalized terms used are
defined in Article I hereof.

RECITALS

     WHEREAS, the Transferor Parties desire to contribute a 25.1% limited liability company
membership interest in Williams Four Corners LLC, a Delaware limited liability company (“Four
Corners”), to the Partnership pursuant to the terms of the Purchase Agreement (as defined
below) and this Agreement, and the Partnership desires to accept all of such interest in accordance
with the terms of such agreements;

     WHEREAS, in order to accomplish the objectives and purposes in the preceding recital, and to
effect the intent of the Parties in connection with the consummation of the transactions
contemplated hereby, the following actions have been taken prior to the date hereof:

	 	1.	 	Williams Field Services Company, a Delaware corporation (“WFS
Company”), formed Four Corners pursuant to the Delaware Limited Liability Company
Act (the “Delaware LLC Act”) and contributed sufficient consideration to Four
Corners in exchange for all of its membership interests.
	 
	 	2.	 	Williams Field Services Group, Inc., a Delaware corporation, was converted
into a Delaware limited liability company named “Williams Field Services Group, LLC”
pursuant to Section 266 of the General Corporation Law of the State of Delaware (the
“DGCL”).
	 
	 	3.	 	WFS Company was converted into a Delaware limited liability company named
“Williams Field Services Company, LLC” pursuant to Section 266 of the DGCL.
	 
	 	4.	 	WES, WFSG, WFSC, the General Partner, the Partnership and the Operating Company
entered into that certain Purchase and Sale Agreement (the “Purchase
Agreement”) dated April 6, 2006.
	 
	 	5.	 	WFSC contributed the Four Corners Assets (as defined below) to Four Corners
pursuant the Contribution, Conveyance and Assumption Agreement, dated June 20, 2006,
between WFSC and Four Corners (the “Asset Contribution Agreement”).

 

 

     WHEREAS, concurrently with the consummation of the transactions contemplated hereby, each of
the following shall occur:

	 	1.	 	The Partnership and a finance corporation subsidiary shall issue $150 million
principal amount of long-term debt to institutional investors pursuant to Rule 144A
promulgated under the Securities Act of 1933, as amended (the “Securities
Act”), and Regulation S promulgated under the Act, the net proceeds of which
(approximately $147.4 million, net of the initial purchasers’ discounts and
commissions) (the “Debt Proceeds”) shall be deposited into a bank account
maintained solely by Partnership (the “Partnership Bank Account”).
	 
	 	2.	 	Certain public investors, through the underwriters of the Public Offering (as
defined below), shall contribute cash to the Partnership in exchange for 7,590,000
Common Units (the “Public Units”). The cash contribution of the net proceeds
of such Public Offering (approximately $227.1 million net of the underwriters’
discounts and commissions) (the “Equity Proceeds”) shall be deposited into the
Partnership Bank Account.
	 
	 	3.	 	WFSC shall distribute a 25.1% membership interest in Four Corners (the
“Subject Interest”) to WFSG.
	 
	 	4.	 	WFSG shall distribute the Subject Interest to WES.
	 
	 	5.	 	WES shall contribute the Subject Interest to the General Partner as a
contribution to the capital of the General Partner.
	 
	 	6.	 	The General Partner shall contribute the Subject Interest to the Partnership as
a contribution to the capital of the Partnership.
	 
	 	7.	 	As consideration for the contribution of the Subject Interest by the General
Partner to the Partnership, the Partnership shall (i) distribute $360.0 million
(approximately $355.4 million net of the General Partner’s capital contribution related
to the Public Offering) in cash to the General Partner (the “Cash
Consideration”) and (ii) increase the capital account of the General Partner by an
amount equal to 2/98ths of the gross proceeds of the Public Offering (the
“Additional GP Interest”) and issue a proportionate number of General Partner
Units to the General Partner. The Cash Consideration shall be paid from (x) the Debt
Proceeds in the Partnership Bank Account and (y) the Equity Proceeds in the Partnership
Bank Account.
	 
	 	8.	 	The Partnership shall contribute the Subject Interest to the Operating Company
as a contribution to the capital of the Operating Company.

     NOW THEREFORE, in consideration of their mutual undertakings and agreements set forth herein
and in the Purchase Agreement, the Parties undertake and agree as follows:

-2-

 

ARTICLE I

DEFINITIONS; RECORDATION

     1.1 Definitions. The following capitalized terms have the meanings given below.

     “Additional GP Interest” has the meaning assigned to such term in the recitals.

     “affiliate” means, with respect to a specified person, any other person controlling,
controlled by or under common control with that first person. As used in this definition, the term
“control” includes (i) with respect to any person having voting securities or the equivalent and
elected directors, managers or persons performing similar functions, the ownership of or power to
vote, directly or indirectly, voting securities or the equivalent representing 50% or more of the
power to vote in the election of directors, managers or persons performing similar functions, (ii)
ownership of 50% or more of the equity or equivalent interest in any person and (iii) the ability
to direct the business and affairs of any person by acting as a general partner, manager or
otherwise.

     “Agreement” has the meaning assigned to such term in the first paragraph of this
Agreement.

     “Asset Contribution Agreement” has the meaning assigned to such term in the recitals.

     “Cash Consideration” has the meaning assigned to such term in the recitals.

     “Common Units” has the meaning assigned to such term in the Partnership Agreement.

     “Debt Proceeds” has the meaning assigned to such term in the recitals.

     “Delaware LLC Act” has the meaning assigned to such term in the recitals.

     “DGCL” has the meaning assigned to such term in the recitals.

     “Effective Date” means June 20, 2006.

     “Equity Proceeds” has the meaning assigned to such term in the recitals.

     “Four Corners” has the meaning assigned to such term in the recitals.

     “Four Corners Assets” has the meaning assigned to such term in the Asset Contribution
Agreement.

     “General Partner” has the meaning assigned to such term in the first paragraph of this
Agreement.

     “General Partner Units” has the meaning assigned to such term in the Partnership
Agreement.

-3-

 

     “Laws” means any and all laws, statutes, ordinances, rules or regulations promulgated
by a governmental authority, orders of a governmental authority, judicial decisions, decisions of
arbitrators or determinations of any governmental authority or court.

     “Operating Company” has the meaning assigned to such term in the first paragraph of
this Agreement.

     “Partnership” has the meaning assigned to such term in the first paragraph of this
Agreement.

     “Partnership Agreement” means the Amended and Restated Agreement of Limited
Partnership, dated as of August 23, 2005, of the Partnership.

     “Partnership Bank Account” has the meaning assigned to such term in the recitals.

     “Party and Parties” have the meanings assigned to such terms in the first paragraph of
this Agreement.

     “Public Offering” means the public offering of 7,590,000 Common Units by the
Partnership to the public pursuant to an underwriting agreement, dated June 14, 2006, among the
Partnership, the General Partner, the Operating Company and the underwriters named therein.

     “Public Units” has the meaning assigned to such term in the recitals.

     “Purchase Agreement” has the meaning assigned to such term in the recitals.

     “Registration Statement” means the registration statement on Form S-1 (File No.
333-133065) filed by the Partnership relating to the Public Offering.

     “Securities Act” has the meaning assigned to such term in the recitals.

     “Subject Interest” has the meaning assigned to such term in the recitals.

     “Subject Liabilities” means all obligations and liabilities relating to the Subject
Interest.

     “Transferor Parties” has the meaning assigned to such term in the first paragraph of
this Agreement.

     “WES” has the meaning assigned to such term in the first paragraph of this Agreement.

     “WFS Company” has the meaning assigned to such term in the recitals.

     “WFSC” has the meaning assigned to such term in the first paragraph of this Agreement.

     “WFSG” has the meaning assigned to such term in the first paragraph of this Agreement.

-4-

 

ARTICLE II

CONCURRENT TRANSACTIONS

     2.1 Distribution by WFSC of the Subject Interest to WFSG. WFSC hereby grants, distributes,
transfers, assigns and conveys to WFSG, its successors and assigns, for its and their own use
forever, the Subject Interest and WFSG hereby accepts the distribution of the Subject Interest from
WFSC.

     TO HAVE AND TO HOLD the Subject Interest unto WFSG, its successors and assigns, together with
all and singular the rights and appurtenances thereto in anywise belonging, subject, however, to
the terms and conditions stated in this Agreement, forever.

     2.2 Distribution by WFSG of the Subject Interest to WES. WFSG hereby grants, distributes,
transfers, assigns and conveys to WES, its successors and assigns, for its and their own use
forever, the Subject Interest and WES hereby accepts the distribution of the Subject Interest from
WFSG.

     TO HAVE AND TO HOLD the Subject Interest unto WES, its successors and assigns, together with
all and singular the rights and appurtenances thereto in anywise belonging, subject, however, to
the terms and conditions stated in this Agreement, forever.

     2.3 Contribution by WES of the Subject Interest to the General Partner. WES hereby grants,
contributes, transfers, assigns and conveys to the General Partner, its successors and assigns, for
its and their own use forever, the Subject Interest and the General Partner hereby accepts the
Subject Interest from WES, as a contribution by WES to the capital of the General Partner.

     TO HAVE AND TO HOLD the Subject Interest unto the General Partner, its successors and assigns,
together with all and singular the rights and appurtenances thereto in anywise belonging, subject,
however, to the terms and conditions stated in this Agreement, forever.

     2.4 Contribution by the General Partner of the Subject Interest to the Partnership. The
General Partner hereby grants, contributes, transfers, assigns and conveys to the Partnership, its
successors and assigns, for its and their own use forever, the Subject Interest, and the
Partnership hereby accepts the Subject Interest from the General Partner, as a contribution by the
General Partner to the capital of the Partnership.

     TO HAVE AND TO HOLD the Subject Interest unto the Partnership, its successors and assigns,
together with all and singular the rights and appurtenances thereto in anywise belonging, subject,
however, to the terms and conditions stated in this Agreement, forever.

     2.5 Distribution of Cash Consideration. The Parties acknowledge that the Partnership has distributed to the General Partner the
Cash Consideration. The Cash Consideration has been paid from (x) the Debt Proceeds and (y) the
Equity Proceeds. The Cash Consideration is net of the amount of the Additional GP Interest that
the General Partner would otherwise have paid to the Partnership in order to maintain its
percentage interest in the Partnership in connection with the issuance of additional Common Units
in the Public Offering. The General Partner hereby acknowledges receipt of the Cash Consideration.

-5-

 

     2.6 Increase in Capital Account of the General Partner. The Parties acknowledge that the
capital account of the General Partner has been increased by an amount equal to the amount of the
Additional GP Interest.

     2.7 Distribution of General Partner Units. The Parties acknowledge that the Partnership has
issued 154,898 General Partner Units (which number of units is equal to 2/98ths of the number
Common Units issued in the Public Offering) to the General Partner. The General Partner
acknowledges the receipt of such General Partner Units.

     2.8 Contribution by the Partnership of the Subject Interest to the Operating Company. The
Partnership hereby grants, contributes, transfers, assigns and conveys to the Operating Company,
its successors and assigns, for its and their own use forever, the Subject Interest, and the
Operating Company hereby accepts the Subject Interest from the Partnership as a contribution by the
Partnership to the capital of the Operating Company.

     TO HAVE AND TO HOLD the Subject Interest unto the Operating Company, its successors and
assigns, together with all and singular the rights and appurtenances thereto in anywise belonging,
subject, however, to the terms and conditions stated in this Agreement, forever.

ARTICLE III

ASSUMPTION OF CERTAIN LIABILITIES

     3.1 Assumption of Subject Liabilities by WFSG. In connection with the distribution by WFSC of
the Subject Interest to WFSG, as set forth in Section 2.1 above, WFSG hereby assumes and
agrees to duly and timely pay, perform and discharge all of the Subject Liabilities, to the full
extent that WFSC has been heretofore or would have been in the future obligated to pay, perform and
discharge the Subject Liabilities were it not for such distribution and the execution and delivery
of this Agreement; provided, however, that said assumption and agreement to duly and timely pay,
perform and discharge the Subject Liabilities shall not (i) increase the obligation of WFSG with
respect to the Subject Liabilities beyond that of WFSC, (ii) waive any valid defense that was
available to WFSC with respect to the Subject Liabilities or (iii) enlarge any rights or remedies
of any third party under any of the Subject Liabilities.

     3.2 Assumption of Subject Liabilities by WES. In connection with the distribution by WFSG of
the Subject Interest to WES, as set forth in Section 2.2 above, WES hereby assumes and
agrees to duly and timely pay, perform and discharge all of the Subject Liabilities, to the full
extent that WFSG has been heretofore or would have been in the future obligated to pay, perform and
discharge the Subject Liabilities were it not for such distribution and the execution and delivery
of this Agreement; provided, however, that said assumption and agreement to duly and timely pay,
perform and discharge the Subject Liabilities shall not (i) increase the obligation of WES with
respect to the Subject Liabilities beyond that of WFSG, (ii) waive any valid defense that was
available to WFSG with respect to the Subject Liabilities or (iii) enlarge any rights or remedies
of any third party under any of the Subject Liabilities.

     3.3 Assumption of Subject Liabilities by the General Partner. In connection with the
contribution by WES of the Subject Interest to the General Partner, as set forth in Section
2.3

-6-

 

above, the General Partner hereby assumes and agrees to duly and timely pay, perform and
discharge all of the Subject Liabilities, to the full extent that WES has been heretofore or would
have been in the future obligated to pay, perform and discharge the Subject Liabilities were it not
for such contribution and the execution and delivery of this Agreement; provided, however, that
said assumption and agreement to duly and timely pay, perform and discharge the Subject Liabilities
shall not (i) increase the obligation of the General Partner with respect to the Subject
Liabilities beyond that of WES, (ii) waive any valid defense that was available to WES with respect
to the Subject Liabilities or (iii) enlarge any rights or remedies of any third party under any of
the Subject Liabilities.

     3.4 Assumption of Subject Liabilities by the Partnership. In connection with the contribution
by the General Partner of the Subject Interest to the Partnership, as set forth in Section
2.4 above, the Partnership hereby assumes and agrees to duly and timely pay, perform and
discharge all of the Subject Liabilities, to the full extent that the General Partner has been
heretofore or would have been in the future obligated to pay, perform and discharge the Subject Liabilities were it not for such contribution and the execution and
delivery of this Agreement; provided, however, that said assumption and agreement to duly and
timely pay, perform and discharge the Subject Liabilities shall not (i) increase the obligation of
the Partnership with respect to the Subject Liabilities beyond that of the General Partner, (ii)
waive any valid defense that was available to the General Partner with respect to the Subject
Liabilities or (iii) enlarge any rights or remedies of any third party under any of the Subject
Liabilities.

     3.5 Assumption of Subject Liabilities by the Operating Company. In connection with the
contribution by the Partnership of the Subject Interest to the Operating Company as set forth in
Section 2.8 above, the Operating Company hereby assumes and agrees to duly and timely pay,
perform and discharge all of the Subject Liabilities, to the full extent that the Partnership has
been heretofore or would have been in the future obligated to pay, perform and discharge the
Subject Liabilities were it not for such sale and the execution and delivery of this Agreement;
provided, however, that said assumption and agreement to duly and timely pay, perform and discharge
the Subject Liabilities shall not (i) increase the obligation of the Operating Company with respect
to the Subject Liabilities beyond that of the Partnership, (ii) waive any valid defense that was
available to the Partnership with respect to the Subject Liabilities or (iii) enlarge any rights or
remedies of any third party under any of the Subject Liabilities.

     3.6 General Provisions Relating to Assumption of Liabilities. Notwithstanding anything to the
contrary contained in this Agreement including, without limitation, the terms and provisions of
this Article III, none of the Parties shall be deemed to have assumed, and the Subject Interest has
not and is not being distributed or contributed, as the case may be, subject to, any liens or
security interests securing consensual indebtedness covering such Subject Interest, and all such
liens and security interests shall be deemed to be excluded from the assumptions of liabilities
made under this Article III.

ARTICLE IV

FURTHER ASSURANCES

     4.1 Further Assurances. From time to time after the date hereof, and without any further
consideration, the Parties agree to execute, acknowledge and deliver all such additional

-7-

 

deeds,
assignments, bills of sale, conveyances, instruments, notices, releases, acquittances and other
documents, and will do all such other acts and things, all in accordance with applicable law, as
may be necessary or appropriate (a) more fully to assure that the applicable Parties own all of the
properties, rights, titles, interests, estates, remedies, powers and privileges granted by this
Agreement, or which are intended to be so granted, (b) more fully and effectively to vest in the
applicable Parties and their respective successors and assigns beneficial and record title to the
interests contributed and assigned by this Agreement or intended so to be and (c) to more fully and
effectively carry out the purposes and intent of this Agreement.

     4.2 Other Assurances. From time to time after the date hereof, and without any further
consideration, each of the Parties shall execute, acknowledge and deliver all such additional
instruments, notices and other documents, and will do all such other acts and things, all in
accordance with applicable law, as may be necessary or appropriate to more fully and effectively
carry out the purposes and intent of this Agreement. It is the express intent of the Parties that
the Partnership or its subsidiaries own the Subject Interest that is identified in this Agreement
and in the Registration Statement.

ARTICLE V

MISCELLANEOUS

     5.1 Order of Completion of Transactions. The transactions provided for in Article II and
Article III of this Agreement shall be completed on the Effective Date in the following order:

          First, the transactions provided for in Article II shall be completed in the order set forth
therein; and

          Second, the transactions provided for in Article III shall be completed in the order set forth
therein.

     5.2 Costs. The Partnership shall pay all sales, use and similar taxes arising out of the
contributions, conveyances and deliveries to be made hereunder, and shall pay all documentary,
filing, recording, transfer, deed and conveyance taxes and fees required in connection therewith.

     5.3 Headings; References; Interpretation. All Article and Section headings in this Agreement
are for convenience only and shall not be deemed to control or affect the meaning or construction
of any of the provisions hereof. The words “hereof,” “herein” and “hereunder” and words of similar
import, when used in this Agreement, shall refer to this Agreement as a whole and not to any
particular provision of this Agreement. All references herein to Articles and Sections shall,
unless the context requires a different construction, be deemed to be references to the Articles
and Sections of this Agreement, respectively. All personal pronouns used in this Agreement,
whether used in the masculine, feminine or neuter gender, shall include all other genders, and the
singular shall include the plural and vice versa. The use herein of the word “including” following
any general statement, term or matter shall not be construed to limit such statement, term or
matter to the specific items or matters set forth immediately following such word or to similar
items or matters, whether or not non-limiting language (such as “without limitation,” “but not
limited to,” or words of similar import) is used with reference thereto, but

-8-

 

rather shall be deemed
to refer to all other items or matters that could reasonably fall within the broadest possible
scope of such general statement, term or matter.

     5.4 Successors and Assigns. The Agreement shall be binding upon and inure to the benefit of
the parties signatory hereto and their respective successors and assigns.

     5.5 No Third Party Rights. The provisions of this Agreement are intended to bind the parties
signatory hereto as to each other and are not intended to and do not create rights in any other
person or confer upon any other person any benefits, rights or remedies and no person is or is
intended to be a third party beneficiary of any of the provisions of this Agreement.

     5.6 Counterparts. This Agreement may be executed in any number of counterparts, all of which
together shall constitute one agreement binding on the parties hereto.

     5.7 Governing Law. This Agreement shall be governed by, and construed in accordance with, the
Laws of the State of Texas applicable to contracts made and to be performed wholly within such
state without giving effect to conflict of law principles thereof, except to the extent that it is
mandatory that the Law of some other jurisdiction, wherein the interests are located, shall apply.

     5.8 Assignment of Agreement. Neither this Agreement nor any of the rights, interests, or
obligations hereunder may be assigned by any Party without the prior written consent of each of the
Parties. Except as provided herein, nothing in this Agreement is intended to or shall confer upon
any person other than the Parties, and their respective successors and permitted assigns, any
rights, benefits, or remedies of any nature whatsoever under or by reason of this Agreement.
Notwithstanding anything in this Agreement to the contrary, the General Partner shall have the
right, by written notice to the Parties hereto, to assign its rights to receive the Cash
Consideration and the General Partner Units hereunder to any of its affiliates.

     5.9 Amendment or Modification. This Agreement may be amended or modified from time to time
only by the written agreement of all the Parties hereto and affected thereby.

     5.10 Director and Officer Liability. Except to the extent that they are a party hereto, the
directors, managers, officers, partners and securityholders of the Parties and their respective
affiliates shall not have any personal liability or obligation arising under this Agreement
(including any claims that another party may assert).

-9-

 

     5.11 Severability. If any term or other provision of this Agreement is invalid, illegal, or
incapable of being enforced under applicable Law or public policy, all other conditions and
provisions of this Agreement shall nevertheless remain in full force and effect so long as the
economic or legal substance of the transactions contemplated herein are not affected in any manner
adverse to any Party. Upon such determination that any term or other provision of this Agreement
is invalid, illegal, or incapable of being enforced, the Parties shall negotiate in good faith to
modify this Agreement so as to effect the original intent of the Parties as closely as possible in
a mutually acceptable manner in order that the transactions contemplated herein are consummated as
originally contemplated to the fullest extent possible.

     5.12 Integration. This Agreement and the instruments referenced herein supersede any and all
previous understandings or agreements among the Parties, whether oral or written, with respect to
their subject matter. This Agreement and such instruments contain the entire understanding of the
Parties with respect to the subject matter hereof and thereof. No understanding, representation,
promise or agreement, whether oral or written, is intended to be or shall be included in or form
part of this Agreement or any such instrument unless it is contained in a written amendment hereto
or thereto and executed by the Parties hereto or thereto after the date of this Agreement or such
instrument.

     5.13 Effect of Amendment. The Parties ratify and confirm that except as otherwise expressly
provided herein, in the event this Agreement conflicts in any way with any instrument of conveyance
covering the Subject Interest, the terms and provisions of this Agreement shall control.

[The Remainder of this Page is Intentionally Blank]

-10-

 

     IN WITNESS WHEREOF, this Agreement has been duly executed by the parties hereto as of the date
first above written.

	 	 	 	 	 
	 	WILLIAMS ENERGY SERVICES, LLC

 	 
	 	By:  	/s/ Alan S. Armstrong
 	 
	 	 	Alan S. Armstrong 	 
	 	 	Senior Vice President 	 
	 

	 	 	 	 	 
	 	WILLIAMS FIELD SERVICES COMPANY, LLC

 	 
	 	By:  	/s/ Alan S. Armstrong
 	 
	 	 	Alan S. Armstrong 	 
	 	 	Senior Vice President 	 
	 

	 	 	 	 	 
	 	WILLIAMS FIELD SERVICES GROUP, LLC

 	 
	 	By:  	/s/ Alan S. Armstrong
 	 
	 	 	Alan S. Armstrong 	 
	 	 	Senior Vice President 	 
	 

	 	 	 	 	 
	 	WILLIAMS PARTNERS GP LLC

 	 
	 	By:  	/s/ Donald R. Chappel
 	 
	 	 	Donald R. Chappel 	 
	 	 	Chief Financial Officer 	 
	 

	 	 	 	 	 
	 	WILLIAMS PARTNERS L.P.
	 
	 	By: WILLIAMS PARTNERS GP LLC, its General Partner
	 
	 	 	 	 
	 

	 	By:  
	/s/ Donald R. Chappel	 
	 

	 	 	 	 
	 

	 	 	Donald R. Chappel	 
	 

	 	 	Chief Financial Officer	 

Signature Page to Interest Contribution Agreement

 

 

	 	 	 	 	 
	 	 	WILLIAMS PARTNERS OPERATING LLC
	 
	 	 	 	 
	 	 	By: WILLIAMS PARTNERS L.P., its managing member
	 
	 	 	 	 
	 	 	By: WILLIAMS PARTNERS GP LLC, its General Partner
	 
	 	 	 	 
	 

	 	By: /s/ Donald R. Chappel
	 
	 

	 	 	 	 
	 

	 	 	Donald R. Chappel	 
	 

	 	 	Chief Financial Officer	 

Signature Page to Interest Contribution Agreement

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