Document:

<PAGE>

                                                                    EXHIBIT 10.2

                  PSB GROUP, INC. 2004 STOCK COMPENSATION PLAN

                           RESTRICTED STOCK AGREEMENT

     This Restricted Stock Agreement ("Agreement") is made effective July 5,
2006, between PSB Group, Inc a Michigan corporation (the "Company") and Michael
J. Tierney (the "Grantee") in accordance with the following terms and
conditions:

     1. Share Award. The Company hereby awards to the Grantee 5,000 shares
("Shares") of common stock of the Company ("Common Stock") pursuant to the PSB
Group, Inc., 2004 Stock Compensation Plan, as the same may be amended from time
to time (the "Plan"), and upon the terms and conditions and subject to the
restrictions set forth in the Plan and as set forth in this Agreement. A copy of
the Plan, as currently in effect, has been provided to the Grantee and is
incorporated herein by reference and is attached hereto. Capitalized terms used
herein but which are not defined herein shall have the meanings given to such
terms in the Plan.

     2. Restrictions on Transfer and Vesting Period. Except as otherwise
provided herein, Shares shall become vested ("Vested") in accordance with the
following schedule:

<TABLE>
<CAPTION>
Date of Vesting   Number of Shares Vested
---------------   -----------------------
<S>               <C>
  July 5, 2006             2,500
  July 5, 2008             1,250
  July 5, 2010             1,250
</TABLE>

Until Shares become Vested in accordance with such schedule, or as otherwise
provided in this Agreement, Shares may not be sold, assigned, transferred,
pledged, or otherwise encumbered by the Grantee except pursuant to a "domestic
relations order," as defined in Section 414(p)(1)(B) of the Code, or as
hereinafter provided.

     The Committee, referred to in Section 4 of the Plan, shall have the
authority, in its discretion, to accelerate Vesting (including, but not limited
to, the authority to remove any or all restrictions), whenever the Committee may
determine that such action is appropriate by reason of changes in applicable tax
or other laws, other changes in circumstances occurring after the date hereof,
or for any other reason.

     Upon a Change in Control of the Company, Grantee shall become immediately
Vested in all Shares awarded under this Agreement that have not become Vested at
that time. In the event

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Grantee's employment with the Company and its Subsidiaries is terminated due to
the Grantee's death or Disability the Grantee (or the Grantee's beneficiary)
shall become Vested in all Shares that have not yet Vested.

     3. Termination of Service. In the event a Grantee's employment with the
Company and its Subsidiaries is terminated for any reason other than death or
Disability, the Grantee shall forfeit all Shares that have not yet Vested.

     4. Certificates for the Shares. The Company shall issue a certificate for
the Shares in the name of the Grantee, and shall hold such certificate for the
benefit of the Grantee until the Grantee becomes Vested in such Shares. Such
certificate shall bear the following legend:

     "The transferability of this certificate and the shares of stock
     represented hereby are subject to the terms and conditions (including
     forfeiture) contained in the PSB Group Inc., 2004 Stock Compensation Plan.
     Copies of such Plan are on file in the office of the Secretary of PSB
     Group, Inc., 1800 East Twelve Mile Road, Madison Heights, Michigan 48071.

     The Grantee further agrees that simultaneously with the execution of this
Agreement, the Grantee shall execute stock powers in favor of the Company with
respect to the Shares and that the Grantee shall promptly deliver such stock
powers to the Company.

     5. Grantee's Rights. During the period the Shares are not Vested, unless
the Shares are forfeited, the Grantee shall have all other rights of a
shareholder, including, but not limited to, the right to receive all dividends
paid on the Shares and the right to vote such Shares.

     6. Delivery of Certificates. Upon Vesting with respect to any portion of
the Shares, the Company shall deliver to the Grantee (or in the case of a
deceased Grantee, to his legal representative) a certificate in respect of such
Shares and the related stock power held by the Company pursuant to Section 4
above. Shares which have become Vested shall be free of the restrictions
referred to in this Agreement and such certificate shall not bear the legend
provided for in Section 4 above.

     7. Adjustments for Changes in Capitalization of the Company. In the event
of any change in the outstanding Stock of the Company as a result of a merger,
reorganization, stock split, reverse stock split, stock dividend,
recapitalization, combination or reclassification, appropriate proportionate
adjustments will be made and the number and class of Shares covered by this
Agreement shall be appropriately adjusted by the Committee, whose determination
shall be conclusive. Any shares of Common Stock or other securities received by
the Grantee as a result of the foregoing with respect to Shares as to which the
restrictions contained herein remain in effect shall also be subject to such
restrictions, and the certificate or other instruments representing or
evidencing such shares or securities shall be legended and deposited with the

<PAGE>

Company in the manner provided in Section 4 above. The Grantee shall execute
stock powers in favor of the Company with respect to such shares.

     8. Plan and Plan Interpretations as Controlling. The Shares hereby awarded
and the terms and conditions herein set forth are subject in all respects to the
terms and conditions of the Plan, which are controlling. All determinations and
interpretations made in the discretion of the Committee shall be binding and
conclusive upon the Grantee or his legal representatives with regard to any
questions arising hereunder or under the Plan.

     9. Withholding Tax. Upon Vesting with respect to any Shares (or at any such
earlier time, if any, that an election is made by the Grantee under Section
83(b) of the Code, or any successor thereto), the Company may withhold from any
payment or distribution made under the Plan sufficient Shares to cover any
applicable withholding and employment taxes. The Company shall have the right to
deduct from all dividends paid with respect to Shares the amount of any taxes
which the Company is required to withhold with respect to such dividend
payments.

     10. Amendment. The Committee may waive any conditions of or rights of the
Company or modify or amend the terms of this Agreement; provided, however, that
the Committee may not amend, alter, suspend, discontinue or terminate any
provision hereof which may adversely affect the Grantee without the Grantee's
(or his legal representative's) written consent.

     11. Grantee Acceptance. The Grantee shall signify his acceptance of the
terms and conditions of this Agreement by signing in the space provided below,
by signing the attached stock powers, and by returning a signed copy hereof and
of the attached stock powers to the Company.

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

                                        PSB GROUP, INC.

                                        By: /s/ Robert L. Cole
                                            ------------------------------------
                                        Its: President and CEO

                                        ACCEPTED:

                                        /s/ Michael J. Tierney
                                        ----------------------------------------
                                        Michael J. Tierney

                                        [Personal Address Omitted]
                                        (Street Address)

                                        [Personal Address Omitted]
                                        (City, State and Zip Code)exv10w1

 

Exhibit 10.1

VOTING AGREEMENT

     VOTING AGREEMENT, dated as of June 22, 2006 (the “Agreement”), among Anadarko Petroleum
Corporation, a Delaware corporation (“Parent”), and [                                        ] (solely in his, her or
its capacity as a stockholder, “Stockholder”).

INTRODUCTION

     Parent, APC Merger Sub, Inc., a Delaware corporation and wholly owned subsidiary of Parent
(“Merger Sub”), and Western Gas Resources, Inc., a Delaware corporation (the “Company”), propose to
enter into an Agreement and Plan of Merger dated as of the date hereof (as it may be amended or
supplemented from time to time, the “Merger Agreement”), pursuant to which, upon the terms and
subject to the conditions thereof, Merger Sub will be merged with and into the Company, and the
Company will be the surviving entity (the “Merger”).

     As of the date hereof, Stockholder is the record and beneficial owner of the number of shares
(the “Shares”) of common stock, par value $.10 per share, of the Company (the “Company Common
Stock”) set forth opposite Stockholder’s name on Schedule I attached hereto (such Shares,
together with any other shares of capital stock of the Company acquired by Stockholder after the
date hereof and during the term of this Agreement (including through the exercise of any stock
options or warrants, or any other convertible or exchangeable securities or similar instruments of
the Company), being collectively referred to herein as Stockholder’s “Subject Shares”).

     As a condition to its willingness to enter into the Merger Agreement, Parent has required that
Stockholder agree, and Stockholder is willing to agree, to the matters set forth herein.

     In consideration of the foregoing and the agreements set forth below, the parties hereto agree
as follows:

     Section 1. Defined Terms. Capitalized terms used but not defined herein have the
meanings set forth in the Merger Agreement.

     Section 2. Voting of Shares.

     (a) Voting. For so long as this Agreement is in effect, subject to the terms and
conditions hereof, Stockholder hereby agrees to vote (or cause to be voted) all of Stockholder’s
Subject Shares, at every annual, special or other meeting of the stockholders of the Company, and
at any adjournments or postponements thereof, or pursuant to any consent in lieu of a meeting or
otherwise:

     (i) in favor of the Merger and the adoption of the Merger Agreement and the approval of
the other transactions contemplated thereby, and any actions required in furtherance
thereof;

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     (ii) against any action or agreement that Stockholder would reasonably expect to result
in a breach in any material respect of any covenant, representation or warranty or any other
obligation of the Company under the Merger Agreement; and

     (iii) against (A) any extraordinary corporate transaction, such as a merger, rights
offering, reorganization, recapitalization or liquidation involving the Company or any of
its subsidiaries (other than the Merger), (B) a sale or transfer of a material amount of
assets or capital stock of the Company or any of its subsidiaries, or (C) any action that is
intended, or would reasonably be expected, to prevent or materially delay or otherwise
materially interfere with the Merger and the other transactions contemplated by the Merger
Agreement. Furthermore, Stockholder shall not participate in any way in (and shall vote
Stockholders’ Subject Shares against) the calling of a special meeting of the Company’s
stockholders at which any of the foregoing is proposed to be voted upon.

     (b) Grant of Irrevocable Proxy. Stockholder hereby irrevocably grants to, and
appoints, Parent and any individual who shall hereafter be designated by Parent, and each of them,
Stockholder’s proxy and attorney-in-fact (with full power of substitution), for and in the name,
place and stead of Stockholder, to vote, or cause to be voted, Stockholder’s Subject Shares, or
grant a consent or approval in respect of Stockholder’s Subject Shares, at every annual, special or
other meeting of the stockholders of the Company, and at any adjournments or postponements thereof,
or pursuant to any consent in lieu of a meeting or otherwise, with respect to the matters and in
the manner specified in Section 2(a) hereof; provided that the foregoing proxy shall
terminate immediately upon termination of this Agreement in accordance with its terms. Stockholder
understands and acknowledges that Parent is entering into the Merger Agreement in reliance upon
Stockholder’s execution and delivery of this Agreement. Stockholder hereby affirms that the
irrevocable proxy set forth in this Section 2(b) is given in connection with the execution of the
Merger Agreement, and that such irrevocable proxy is given to secure the performance of the duties
of Stockholder under this Agreement. Subject to this Section 2(b) and Section 10, this grant of
proxy is coupled with an interest and may under no circumstances be revoked. Stockholder hereby
ratifies and confirms all that such irrevocable proxy may lawfully do or cause to be done in
accordance herewith. Such irrevocable proxy is executed and intended to be irrevocable in
accordance with the provisions of Section 212(e) of the General Corporation Law of Delaware (the
“DGCL”).

     Section 3. Fiduciary Responsibilities. All agreements and understandings made herein
shall be made solely in Stockholder’s capacity as a stockholder and (if Stockholder is an officer
or director of the Company) not in Stockholder’s capacity as an director or officer of the Company.
Without limiting the generality of the foregoing, Stockholder executes and delivers this
Agreement and performs Stockholder’s obligations hereunder solely in his, her or its capacity as
the record and beneficial owner, as applicable, of Stockholder’s Subject Shares and nothing herein
shall limit or affect any actions taken by Stockholder in his capacity as an officer or director of
the Company in exercising his or the Company’s or the Company’s Board of Directors’ rights or
duties in connection with the Merger Agreement or otherwise and such actions shall not be deemed to
be a breach of this Agreement.

     Section 4. Representations and Warranties of Stockholder. Stockholder represents and

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warrants to Parent as follows:

     (a) Binding Agreement. Stockholder has the power and authority or capacity, as the
case may be, to execute and deliver this Agreement and to consummate the transactions contemplated
hereby. Stockholder has duly and validly executed and delivered this Agreement and this Agreement
constitutes a legal, valid and binding obligation of Stockholder, enforceable against Stockholder
in accordance with its terms, except as such enforceability may be limited by applicable
bankruptcy, insolvency, reorganization or other similar laws affecting creditors’ rights generally
and by general equitable principles (regardless of whether enforceability is considered in a
proceeding in equity or at law).

     (b) No Conflict. Neither the execution and delivery of this Agreement by Stockholder,
nor the performance by Stockholder of its obligations hereunder will, assuming any consent,
authorization, waiver or exemption under Section 203 of the DGCL applicable hereto has been
obtained, (i) require any consent, approval, authorization or permit of, registration, declaration
or filing (except for such filings as may be required under the federal securities laws or the HSR
Act or as would not reasonably be expected to prevent, materially delay or otherwise materially
impair Stockholder’s ability to perform its obligations hereunder) with, or notification to, any
Governmental Authority, (ii) if Stockholder is an entity, result in a violation of, or default
under, or conflict with any provision of its certificate of incorporation, bylaws, partnership
agreement, limited liability company agreement or similar organizational documents, (iii) violate
or conflict with any order, writ, injunction, decree, rule, regulation or law applicable to
Stockholder or Stockholder’s Subject Shares, (iv) result in a violation or breach of, or constitute
(with or without due notice or lapse of time or both) a default (or give rise to any right of
termination, cancellation, or acceleration) under any contract, trust, agreement, instrument,
commitment, arrangement or understanding applicable to Stockholder or Stockholder’s Subject Shares,
or result in the creation of a security interest, lien, charge, encumbrance, equity or claim with
respect to any of Stockholder’s Subject Shares, or (v) require any consent, authorization or
approval of any Person other than a Governmental Authority, except, in the case of clauses (iv) and
(v), as would not reasonably be expected to prevent, materially delay or otherwise materially
impair Stockholder’s ability to perform its obligations hereunder. If Stockholder is a married
individual and Stockholder’s Subject Shares constitute community property or otherwise need spousal
approval in order for this Agreement to be a legal, valid and binding obligation of Stockholder,
this Agreement has been duly authorized, executed and delivered by, and constitutes a legal, valid
and binding obligation of, Stockholder’s spouse, enforceable against such spouse in accordance with
its terms, except as such enforceability may be limited by applicable bankruptcy, insolvency,
reorganization or other similar laws affecting creditors’ rights generally and by general equitable
principles (regardless of whether enforceability is considered in a proceeding in equity or at
law).

     (c) Ownership of Shares. Stockholder is the record and/or beneficial owner of the
Shares set forth opposite Stockholder’s name on Schedule I attached hereto free and clear
of any security interests, liens, charges, encumbrances, equities, claims, options or limitations
of whatever nature and free of any other limitation or restriction (including any restriction on
the right to vote, sell or otherwise dispose of such Shares), other than those created by this
Agreement or as set forth on Schedule I attached hereto. There are no outstanding options
or other rights to acquire from Stockholder, or obligations of Stockholder to sell or to dispose
of,

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any shares of Company Common Stock, and none of Stockholder’s Subject Shares are subject to
vesting, except as set forth on Schedule I attached hereto. Stockholder holds the
exclusive power to vote the Shares set forth opposite Stockholder’s name on Schedule I
attached hereto. As of the date of this Agreement, the Shares set forth opposite Stockholder’s
name on such Schedule I attached hereto represent all of the shares of capital stock of the
Company owned (beneficially or of record) by Stockholder, except shares of Company Common Stock
which may be acquired by Stockholder upon exercise of options, if any, held by Stockholder as set
forth in such Schedule and except as otherwise set forth on Schedule I attached hereto.

     (d) Broker Fees. No broker, investment banker, financial advisor or other Person is
entitled to any broker’s, finder’s, financial advisor’s or other similar fee or commission based
upon arrangements made by or on behalf of Stockholder in connection with its entering into this
Agreement.

     Section 5. Representations and Warranties of Parent. Parent represents and warrants
to Stockholder as follows:

     (a) Binding Agreement. Parent is a corporation duly incorporated, validly existing
and in good standing under the laws of the State of Delaware and has full corporate power and
authority to execute and deliver this Agreement and to consummate the transactions contemplated
hereby. The execution and delivery of this Agreement by Parent and the consummation of the
transactions contemplated hereby have been duly and validly authorized by the Board of Directors of
Parent, and no other corporate proceedings on the part of Parent are necessary to authorize the
execution, delivery and performance of this Agreement by Parent and the consummation of the
transactions contemplated hereby. Parent has duly and validly executed and delivered this
Agreement and this Agreement constitutes a legal, valid and binding obligation of Parent,
enforceable against Parent in accordance with its terms, except as such enforceability may be
limited by applicable bankruptcy, insolvency, reorganization or other similar laws affecting
creditors’ rights generally and by general equitable principles (regardless of whether
enforceability is considered in a proceeding in equity or at law).

     (b) No Conflict. Neither the execution and delivery by Parent of this Agreement, nor
the performance by Parent of its obligations hereunder will, assuming any consent, authorization,
waiver or exemption under Section 203 of the DGCL applicable hereto has been obtained, (i) require
any consent, approval, authorization or permit of, registration, declaration or filing (except for
such filings as may be required under the federal securities laws or the HSR Act or as would not
reasonably be expected to prevent, materially delay or otherwise materially impair Parent’s ability
to perform its obligations hereunder) with, or notification to, any Governmental Authority, (ii)
result in a violation of, or default under, or conflict with any provision of its Certificate of
Incorporation or Bylaws, (iii) violate or conflict with any order, writ, injunction, decree, rule,
regulation or law applicable to Parent, (iv) result in a violation or breach of, or constitute
(with or without due notice or lapse of time or both) a default (or give rise to any right of
termination, cancellation, or acceleration) under any contract, trust, agreement, instrument,
commitment, arrangement or understanding applicable to Parent, or (v) require any consent,
authorization or approval of any Person other than a Governmental Authority, except, in the case

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of clauses (iv) and (v), as would not prevent, materially delay or otherwise materially impair such
Parent’s ability to perform its obligations hereunder.

     Section 6. Transfer and Other Restrictions. For so long as this Agreement is in
effect:

     (a) Certain Prohibited Transfers. Stockholder agrees not to:

     (i) sell, transfer, pledge, encumber, assign or otherwise dispose whether by merger,
consolidation or operation of law (collectively, the “Transfer”) of, or enter into any
contract, option or other arrangement or understanding with respect to the Transfer of,
Stockholder’s Subject Shares or any interest contained therein (other than, if the
transactions contemplated by the Merger Agreement are consummated, by operation of law in
the Merger), except that any Stockholder may Transfer any of the Subject Shares to any other
holder of Company Common Stock who is on the date hereof a party to this Agreement or other
agreement with Parent on terms substantially identical to the terms of this Agreement, or to
any other Person that, prior to or coincident with such Transfer, executes an agreement with
Parent on terms substantially identical to the terms of this Agreement;

     (ii) grant any proxies or powers of attorney or enter into a voting agreement or other
arrangement with respect to Stockholder’s Subject Shares, other than this Agreement;

     (iii) enter into, or deposit Stockholder’s Subject Shares into, a voting trust or take
any other action which would, or could reasonably be expected to, result in a diminution of
the voting power represented by any of Stockholder’s Subject Shares; or

     (iv) commit or agree to take any of the foregoing actions that would reasonably be
expected in any way to limit, restrict or interfere with Stockholder’s obligations hereunder
or with the consummation of the Merger; provided, however, that the
restrictions in this Section 6 shall not be deemed violated by any Transfer of Subject
Shares pursuant to a cashless exercise of options to acquire Shares so long as the Shares
issuable upon exercise thereof become Stockholder’s Subject Shares hereunder.

     (b) Efforts. For so long as this Agreement is in effect, Stockholder agrees not to
take any action which would reasonably be expected to make any representation or warranty of
Stockholder herein untrue or incorrect in any material respect or knowingly take any action that
would have the effect of preventing or disabling it from performing its obligations under this
Agreement. Subject to Section 3 hereof, for so long as this Agreement is in effect, Stockholder
shall use Stockholder’s reasonable efforts to take, or cause to be taken, all actions (including
executing and delivering such additional documents) and do, or cause to be done, and to assist and
cooperate with the other parties hereto in doing, all things, in each case, as may reasonably be
deemed by Parent to be necessary or desirable to carry out the provisions of this Agreement.

     (c) Additional Shares. In the event (i) of any stock dividend, stock split,
recapitalization, reclassification, combination or exchange of shares of capital stock of the

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Company on, of or affecting Stockholder’s Subject Shares or (ii) Stockholder becomes the beneficial
owner of any additional shares of Company Common Stock or other securities entitling the holder
thereof to vote or give consent with respect to the matters set forth in Section 2(a) hereof, then
the terms of this Agreement shall apply to the shares of capital stock or other securities of the
Company held by Stockholder immediately following the effectiveness of the events described in
clause (i) or Stockholder becoming the beneficial owner thereof, as described in clause (ii), as
though they were Stockholder’s Subject Shares hereunder. Stockholder hereby agrees, while this
Agreement is in effect, to notify Parent of the number of any new shares of Company Common Stock
acquired by Stockholder, if any, after the date hereof.

     (d) Certificates. Stockholder agrees to submit his certificates or certificates
representing Stockholder’s Subject Shares so they may be legended if required by applicable law for
the enforceability of the transfer restrictions set forth in this Section 6.

     Section 7. Waiver of Appraisal Rights. Stockholder hereby irrevocably and
unconditionally waives, and agrees to prevent the exercise of, any rights of appraisal, any
dissenter’s rights and any similar rights relating to the Merger that Stockholder may directly or
indirectly have by virtue of the ownership of the Subject Shares.

     Section 8. No Solicitation. For so long as this Agreement is in effect, no
Stockholder shall, nor shall Stockholder authorize any investment banker, attorney or other advisor
or representative of Stockholder to, directly or indirectly through another Person, solicit,
initiate or encourage, or take any other action to facilitate, any inquiries or the making of any
proposal that constitutes, or may reasonably be expected to lead to, any Takeover Proposal;
provided that any action which is permitted by the Merger Agreement to be taken by
Stockholder in his capacity as a director or officer or which is permitted by Section 3 hereof
shall not be prohibited or restricted by the foregoing.

     Section 9. Specific Enforcement. The parties hereto agree that irreparable damage
would occur in the event that any of the provisions of this Agreement were not performed in
accordance with the terms hereof or were otherwise breached and that the non-breaching party shall
be entitled to specific performance of the terms hereof in addition to any other remedy which may
be available at law or in equity. It is accordingly agreed that the non-breaching party will be
entitled to an injunction or injunctions to prevent breaches of this Agreement and to enforce
specifically the terms and provisions of this Agreement in the Delaware Court of Chancery of the
State of Delaware, the foregoing being in addition to any other remedy to which they are entitled
at law or in equity. In addition, each of the parties hereto (i) consents to submit itself to the
personal jurisdiction of any state or federal court located in Wilmington, Delaware, in the event
any dispute arises out of this Agreement or any of the transactions contemplated by this Agreement,
(ii) agrees that it will not attempt to deny or defeat such personal jurisdiction by motion or
other request for leave from any such court, and (iii) agrees that it will not bring any action
relating to this Agreement or any of the transactions contemplated by this Agreement in any court
other than the Delaware Court of Chancery of the State of Delaware.

     Section 10. Termination. This Agreement shall terminate and cease to have any force
or effect on the earliest of (i) the termination of the Merger Agreement in accordance with its
terms,

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(ii) the written agreement of the parties hereto to terminate this Agreement, (iii) the
consummation of the Merger, (iv) the amendment of the Merger Agreement to decrease the Merger
Consideration or otherwise alter the Merger Consideration in a manner adverse to Stockholder unless
such amendment has been consented to by Stockholder in writing prior to or simultaneously with such
amendment, and (v) if the Merger has not been consummated by December 31, 2006, notice at any time
thereafter from any party hereto to the other parties of such party’s election to terminate this
Agreement (provided, however, that the right to terminate this Agreement pursuant to this clause
(v) shall not be available to any party that is in breach in any material respect of its
obligations hereunder); provided, however, that (1) Sections 3, 10, 11, 12, 13, 14,
15, 16, 17, 18, 19, 20 and 21 shall survive any termination of this Agreement and (2) termination
of this Agreement shall not relieve any party from liability for any breach of its obligations
hereunder committed prior to such termination.

     Section 11. Notices. All notices and other communications hereunder shall be in
writing and shall be deemed to have been duly given if delivered personally, mailed by certified
mail (return receipt requested) or sent by overnight carrier or by telecopier (upon confirmation of
receipt) to the parties at the following addresses or at such other address as shall be specified
by the parties by like notice: (i) if to Parent or the Company, to the appropriate address set
forth in Section 8.1 of the Merger Agreement; and (ii) if to Stockholder, to the appropriate
address set forth on Schedule I hereto.

     Section 12. Certain Events. Stockholder agrees that this Agreement and the
obligations hereunder shall attach to Stockholder’s Subject Shares and shall be binding upon any
Person to which legal or beneficial ownership of Stockholder’s Subject Shares shall pass, whether
by operation of law or otherwise, including Stockholder’s heirs, guardians, administrators or
successors.

     Section 13. Publicity.

     (a) Stockholder hereby consents to the publication and disclosure in the Proxy Statement, and
any other documents required to be filed with the SEC in connection with the Merger, the identity
and ownership of the Subject Shares by Stockholder and the nature of Stockholder’s commitments,
agreements and understandings under this Agreement.

     (b) Except as required by law, for so long as this Agreement is in effect, no Stockholder
will, or will authorize any of its affiliates to, issue or cause publication of any press release
or other announcement with respect to the transactions contemplated by this Agreement without the
written consent of Parent, which consent shall not be unreasonably withheld.

     Section 14. Entire Agreement. This Agreement (including the documents and
instruments referred to herein) constitutes the entire agreement and supersedes all other prior
agreements and understandings, both written and oral, among the parties, or any of them, with
respect to the subject matter hereof.

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     Section 15. Amendment. This Agreement may not be modified, amended, altered or
supplemented except upon the execution and delivery of a written agreement executed by the parties
hereto.

     Section 16. Successors and Assigns. This Agreement shall not be assigned by
operation of law or otherwise without the prior written consent of the other parties hereto, except
as expressly provided by Section 6(a). This Agreement will be binding upon, inure to the benefit
of and be enforceable by each party and such party’s heirs, beneficiaries, executors, successors,
representatives and permitted assigns.

     Section 17. Counterparts. This Agreement may be executed in any number of
counterparts and by different parties hereto in separate counterparts, and delivered by means of
facsimile transmission or otherwise, each of which when so executed and delivered shall be deemed
to be an original and all of which when taken together shall constitute one and the same agreement.

     Section 18. GOVERNING LAW. THIS AGREEMENT SHALL BE GOVERNED IN ALL RESPECTS,
INCLUDING VALIDITY, INTERPRETATION AND EFFECT, BY THE LAWS OF THE STATE OF DELAWARE (WITHOUT GIVING
EFFECT TO THE PROVISIONS THEREOF RELATING TO CONFLICTS OF LAW).

     Section 19. Appointment of Registered Agent. To the extent that a party to this
Agreement is not otherwise subject to service of process in the State of Delaware, such party
hereby appoints The Corporation Trust Company, Corporation Trust Center, 1209 Orange Street,
Wilmington, DE 19801, as such party’s agent in the State of Delaware for acceptance of legal
process, and agrees that service made on such agent shall have the same legal effect as if served
upon such party personally within the State of Delaware.

     Section 20. Severability. If any provision of this Agreement shall be held to be
illegal, invalid or unenforceable under any applicable law, then such contravention or invalidity
shall not invalidate the entire Agreement. Such provision shall be deemed to be modified to the
extent necessary to render it legal, valid and enforceable, and if no such modification shall
render it legal, valid and enforceable, then this Agreement shall be construed as if not containing
the provision held to be invalid, and the rights and obligations of the parties shall be construed
and enforced accordingly.

     Section 21. Headings. The headings contained in this Agreement are for reference
purposes only and shall not affect in any way the meaning or interpretation of this Agreement.

[SIGNATURE PAGES TO FOLLOW]

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     IN WITNESS WHEREOF, each of the parties hereto has caused this Agreement to be signed,
individually or by its respective officer thereunto duly authorized, as of the date first written
above.

	 	 	 	 	 
	 	 	ANADARKO PETROLEUM CORPORATION
	 
	 	 	 	 
	 

	 	By:	 	 
	 

	 	 	 	 
	 

	 	Name:
	 	Robert K. Reeves
	 

	 	Title:
	 	Senior Vice President, Corporate Affairs &
	 

	 	 	 	Law and Chief Governance Officer
	 
	 	 	 	 
	 	 	STOCKHOLDER
	 
	 	 	 	 
	 

	 	By:	 	 
	 

	 	 	 	 
	 

	 	Name:	 	 
	 

	 	 	 	 

9

 

SCHEDULE I TO

VOTING AGREEMENT

	 	 	 	 	 	 	 	 	 	 	 	 	 
	 	 	 	 	 	 	Number of	 	 	 	 
	 	 	 	 	 	 	Shares of	 	 	Number of	 
	 	 	 	 	 	 	Company	 	 	Options to	 
	 	 	Number of Shares of	 	 	Common	 	 	Acquire	 
	Name and Address of	 	Company Common	 	 	Stock	 	 	Company	 
	Stockholder	 	Stock (Unrestricted)	 	 	(Restricted)	 	 	Common Stock	 
	 
	 	 	 	 	 	 	 	 	 	 	 	 

If to Stockholder:

                                                            

                                                            

                                                            

                                                            

                                                            

With a copy to:

                                                            

                                                            

                                                            

                                                            

                                                            

Attention:                                                             

Fax Number:                                                             

Phone Number:                                                             

10

Source: [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00105-of-00352.parquet"}, [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00105-of-00352.parquet"}]]