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                              ANNUAL INCENTIVE PLAN

                                       OF

                       CHEVRON PHILLIPS CHEMICAL COMPANY LLC

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                            ANNUAL INCENTIVE PLAN
                                      OF
                      CHEVRON PHILLIPS CHEMICAL COMPANY LLC

                             --------------------

                              TABLE OF CONTENTS

<Table>
<S>                                                                       <C>
1.  Interpretation and Definitions..........................................1
      1.1  General..........................................................1
      1.2  Definitions......................................................2
2.  Administration..........................................................4
3.  Eligibility and Participation...........................................5
4.  Awards and Payment of Awards............................................5
5.  Recapitalization, Merger, and Consolidation; Change in Control..........6
6.  Miscellaneous...........................................................7
</Table>

Schedule A - Administrative Procedures

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                            ANNUAL INCENTIVE PLAN
                                      OF
                    CHEVRON PHILLIPS CHEMICAL COMPANY LLC

                                   PURPOSE

The purpose of the Annual Incentive Plan (the "Plan") is to attract,
motivate, and retain qualified management personnel by providing to them an
annual incentive compensation plan that will provide competitive compensation
opportunities similar to those of comparable companies in the chemical
industry, align the interests of key management personnel with the interests
of the Company's shareholders, and assist the Company in achieving its goal
of being the top performer in each of its businesses.

The Plan is intended to be a compensation plan for a select group of
management or other highly-compensated employees, within the meaning of ERISA.

The Plan shall be effective as of January 1, 2001.

1.      INTERPRETATION AND DEFINITIONS

1.1     GENERAL.

(a)     INTERPRETATION. Unless a clear contrary intention appears, for
        purposes of construction of this Plan and all related Plan Documents:

(i)     the singular number includes the plural number and vice versa;

(ii)    reference to any person includes such person's successors and assigns
        but, if applicable, only if such successors and assigns are permitted
        by the Plan Documents, and reference to a person in a particular
        capacity excludes such person in any other capacity or individually;

(iii)   reference to any gender includes each other gender;

(iv)    reference to any agreement, document or instrument means such
        agreement, document or instrument as amended or modified and in
        effect from time to time in accordance with the terms thereof;

(v)     reference to any law means such law as amended, modified, codified,
        replaced or reenacted, in whole or in part, and in effect from time
        to time, including rules and regulations promulgated thereunder, and
        reference to any section or other provision of any law means that
        provision of such law from time to time in effect and constituting
        the substantive amendment, modification, codification, replacement or
        reenactment of such section or other provision;

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(vi)    reference in any Plan Document to any article, section, appendix,
        schedule or exhibit means such article or section thereof or
        appendix, schedule or exhibit thereto;

(vii)   "hereunder", "hereof", and words of similar import shall be deemed
        references to a Plan Document as a whole and not to any particular
        article, section or other provision thereof;

(viii)  "including" (and with the correlative meaning "include") means
        including without limiting the generality of any description
        preceding such term;

(ix)    "or' is not exclusive;

(x)     relative to the determination of any period of time, "from" means
        "from and including" and "to" means "to but excluding;" and

(xi)    references to days, weeks, months, quarters and years are references
        to such periods as determined by the Gregorian calendar.

(b)     ACCOUNTING TERMS. In each Plan Document, unless expressly otherwise
        provided, accounting terms shall be construed and interpreted, and
        accounting determinations and computations shall be made, in
        accordance with generally accepted accounting principles.

(c)     CONFLICT IN PLAN DOCUMENTS. If there is any conflict between any two
        or more Plan Documents, such Plan Documents shall be interpreted and
        construed, if possible, so as to avoid or minimize such conflict but,
        to the extent (and only to the extent) of such conflict, the Plan
        Document dealing most specifically with the matter as to which there
        is a conflict shall prevail and control.

1.2     DEFINITIONS

(a)     "Affiliate" means an entity which controls, is controlled by, or is
        under common control with, the Company. For purposes hereof, an
        entity shall be deemed to control another entity if the first entity
        directly or indirectly owns at least fifty percent (50%) of the
        stock, partnership interests or membership interests of the second
        entity, or if, by the ownership of stock, by contract or otherwise,
        the first entity has the right to select the management or direct the
        policies of the second entity.

(b)     "Award" means an award of cash made pursuant to the Plan.

(c)     "Board" means the Board of Directors of the Company.

(d)     "Bonus Level Employee" means, (i) with respect to Employees on the
        U.S. Dollar payroll of a Participating Employer, those Employees who
        are employed within

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         pay grades 90 through 99, and (ii) with respect to Employees who are
         not on a U.S. Dollar payroll, those Employees who are employed
         within pay grades which are deemed by the Compensation Committee to
         be equivalent to grades 90 through 99.

(e)      "Chevron" means Chevron Corporation or such entity as may be
         controlled by Chevron that directly or indirectly holds a membership
         interest in the Company.

(f)      "Change in Control" of the Company means the occurrence of an event
         in which (i) any persons or persons acting together as a single
         entity, other than Chevron Corporation or Phillips Petroleum Company,
         acquires more than fifty percent (50%) of the Company's assets or
         membership interests; (ii) during any period of two consecutive
         years, individuals who at the beginning of the two-year period
         constitute the Board cease for any reason to constitute a majority of
         the Board; (iii) there is consummated a merger or consolidation of
         the Company with any other corporation or entity which the Board
         deems to be a Change in Control; or (iv) the shareholders of the
         Company approve a plan of complete liquidation or dissolution of the
         Company or an agreement for the sale or disposition by the Company
         of all or substantially all of the Company's assets.

(g)      "Committee" or "Compensation Committee" means the Compensation
         Committee of the Board.

(h)      "Company" means the Chevron Phillips Chemical Company LLC and any
         successor entity.

(i)      "Date of Termination" means the date on which a Participant ceases
         to be a regular, full-time Employee.

(j)      "Disability" means disability as determined under the Long-Term
         Disability Plan of Chevron Phillips Chemical Company LP.

(k)      "Employee" means any full-time employee of a Participating Employer.

(l)      "ERISA" means the Employee Retirement Income Security Act of 1974.

(m)      "Layoff" means termination of employment by reason of layoff
         pursuant to the Chevron Phillips Chemical Company LP Layoff Pay Plan
         or a similar layoff pay plan adopted by a Participating Employer.

(n)      "Participant" means an Employee to who has been designated as a
         participant pursuant to Section 3.

(o)      "Participating Employer" means any direct or indirect subsidiary
         entity of the Company which, with the Company's consent, has adopted
         the Plan.

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(p)      "Phillips" means Phillips Petroleum Company or such entity as may be
         controlled by Phillips Petroleum Company that directly or indirectly
         holds a membership interest in the Company.

(q)      "Plan" means the Chevron Phillips Chemical Company LLC Annual
         Incentive Plan.

(r)      "Plan Year" means a period of twelve (12) months beginning on
         January 1 of any year.

(s)      "Plan Document" means this Plan, any Administrative Procedures that
         may from time to time be adopted by the Committee, and any other
         document defining the rights and liabilities of any Participant.

(t)      "Retirement" means retirement pursuant to the Retirement Income Plan
         of Chevron Phillips Chemical Company LP, or any retirement plan of
         any Participating Employer.

(u)      "Salary" means the annualized base rate of a Participant as of
         December 31 of the Plan Year with respect to which an Award is made
         or, in the case of the termination of a Participant's employment by
         reason of Disability, Retirement, Layoff or death, the base rate of
         the Participant on the date of such Participant's Termination of
         Service.

(v)      "Termination of Service" means the cessation of a Participant's
         status as an Employee for any reason.

2.       ADMINISTRATION

(a)      The Plan shall be administered by the Committee.

(b)      The Committee may establish, from time to time and at any time,
         subject to the limitations of the Plan as set forth herein, such
         rules and regulations, and amendments and supplements thereto, as it
         deems necessary to comply with applicable law and for the proper
         administration of the Plan.

(c)      A majority of the members of the Committee shall constitute a
         quorum. The vote of a majority of a quorum shall constitute action
         by the Committee provided that at least one member of the Committee
         appointed by Chevron and one member appointed by Phillips concurs
         therein.

(d)      No member of the Board or the Committee shall be personally liable
         for any action taken, or determination made, in respect of the Plan
         in good faith. Each member of the Board and the Committee shall be
         fully justified in relying upon or acting in good faith upon any
         opinion, report or information furnished in connection with the Plan
         by any accountant, counsel, or other specialist (including

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        financial officers of the Company, whether or not such persons are
        Participants in the Plan).

(e)     This Plan may be adopted by such subsidiary entities of the Company
        as the Board or Committee may approve, whereupon such entities shall
        become Participating Employers. The Committee shall administer the
        Plan for the benefit of all Participating Employers.

(f)     The Committee may delegate to the officers or other employees of the
        Company or any Participating Employer such authorities and
        responsibilities with respect to the administration of the Plan as it
        may deem appropriate.

(g)     Determinations by the Committee and its designees with respect to the
        construction operation or interpretation of any Plan Document shall
        be final, binding and conclusive on the Company, Participating
        Employers, Employees and Participants.

3.      ELIGIBILITY AND PARTICIPATION

(a)     Except as hereinafter provided, all Bonus Level Employees shall be
        Participants in the Plan.

(b)     Notwithstanding Section 3(a), the Committee may from time to time
        select additional Employees or classes of Employees for participation
        in the Plan, and may direct that specific Bonus Level Employees, or
        classes of Bonus Level Employees be removed from participation. Any
        such determination may be made at any time prior to the payment of
        awards with respect to any Plan Year, and may be made with respect to
        participation during all or any part of any Plan Year.

4.      AWARDS AND PAYMENT OF AWARDS

(a)     As soon as practicable following the beginning of each Plan Year, the
        Committee shall (i) make such determinations as it may deem
        appropriate with respect to the selection of Participants for such
        Plan Year; (ii) establish target awards for such Participants, and
        (iii) establish performance measures under which determinations may
        be made as to whether awards will be paid for such Plan Year and, if
        so, the amounts to be paid.

(b)     The matters described in Section 4(a) applicable to any Plan Year
        shall be set forth in an Administrative Procedures document. The
        Administrative Procedures for the 2001 Plan Year are attached hereto.
        Administrative Procedures applicable to subsequent Plan Years, when
        adopted by the Committee, shall be substituted for the Administrative
        Procedures attached hereto.

(c)     Awards, if determined to be payable pursuant to the Administrative
        Procedures, shall be payable to Participants as soon as practicable
        following the date on which

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        such determination is made for any Plan Year. All such Awards shall
        be payable in cash, unless another form of payment is specified by
        the Committee. Notwithstanding the foregoing, Participants may elect
        to defer receipt of all or part of any Award, and to have the same
        credited to an account under the Company's nonqualified deferred
        compensation plan, provided that such Participant is otherwise
        eligible to participate in such plan. Any such election must be made
        at such time, and in such manner, as may be specified by the
        Committee.

(d)     In the event of a Participant's termination of employment by reason
        of Retirement, Disability, Layoff or death, or by reason of such
        Participant's transfer to the payroll of an Affiliate which is not a
        Participating Employer, the award, if any, payable to such
        Participant for the Plan Year in which such termination occurs shall
        be equal to the product of (i) the Award that would have been payable
        to such Participant if such termination had not occurred, and (ii) a
        fraction, the numerator of which is the number of days in such Plan
        Year for which the Participant participated in the Plan, and the
        denominator of which is 365. Notwithstanding the foregoing, the
        Committee may, in its sole discretion, determine that a greater or
        lesser amount shall be paid. Any amount payable by reason of a
        Participant's death, shall be paid to such Participant's estate or to
        such other individuals or entities as the Committee shall direct.

(e)     In the event of a Participant's termination of employment, prior to
        the payment of Awards for any Plan Year, for reasons other than
        Retirement, Disability, Layoff or death, the Award, if any, which
        would have been payable for such Plan Year shall be forfeited;
        provided, the Committee may in its sole discretion determine to pay
        all or any portion of any such Award.

(f)     The payment of any Award may be made subject to such conditions as
        the Committee may specify. Any such conditions may be specified in
        respect of Participants as a whole, individual Participants, or
        classes of Participants.

5.      RECAPITALIZATION, MERGER, AND CONSOLIDATION; CHANGE IN CONTROL

(a)     The existence of this Plan and the Awards granted hereunder shall not
        affect in any way the right or power of the Company or those entities
        holding membership interests in the Company to make or authorize
        adjustments, reorganizations, or other changes in the Company's
        capital structure and its business, or any merger or consolidation of
        the Company, or the dissolution or liquidation of the Company, or any
        sale or transfer of all or part of its assets or business, or any
        other corporate act or proceeding, whether of a similar character or
        otherwise.

(b)     In the event of a Change in Control, all target awards outstanding
        shall thereupon automatically be accelerated and payable in full. The
        amount of such awards shall be determined in the Committee's
        discretion on the assumption that the Plan Year then in effect ended
        on the date on which the Change in Control occurred. The

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         determination of the Committee that any of the foregoing conditions
         has been met shall be binding and conclusive on all parties.
         Notwithstanding the foregoing, in the event that, incident to a Change
         in Control, provision is made for the transfer of rights under this
         Plan to another or successor Plan, Participants shall be allowed to
         make such transfer.

6.       MISCELLANEOUS

(a)      Awards shall be nontransferable and nonassignable, except that such
         Awards may be transferred (i) by testamentary instrument or by the
         laws of descent and distribution, or (ii) to such individual or
         entity as the Committee may designate in the event of a Participant's
         death.

(b)      The Board may at time and from time to time amend the Plan. Any such
         amendments may be made effective with respect to any Plan Year and
         with respect to any awards which, as of the date of amendment, have
         not become payable.

(c)      The establishment of the Plan shall not confer any legal rights upon
         any Employee or other person to continued employment, nor shall it
         interfere with the right of the Company or any Participating
         Employer (which right is hereby reserved) to discharge any Employee
         and to treat him or her without regard to the effect which that
         treatment might have upon him or her as a Participant or potential
         Participant.

(d)      In the event that any Participant engages in any activity which the
         Committee judges to be detrimental to the Company or any
         Participating Employer, or otherwise fails to substantially perform
         his or her obligations as an Employee, the Committee may, at any
         time prior to payment of an award to a Participant, cancel or reduce
         the award in whole or in part.

(e)      Neither the adoption of this Plan nor any action of the Board or the
         Committee shall be deemed to give any person any right to be granted
         an Award, except as otherwise specifically provided herein.

(f)      The Company shall have the right to deduct from all amounts paid
         hereunder, any federal, state, local, or other taxes required by law to
         be withheld with respect to such payments.

(g)      THE VALIDITY, CONSTRUCTION AND EFFECT OF THE PLAN, ANY PLAN
         DOCUMENTS, AND ANY ACTIONS TAKEN OR RELATING TO THE PLAN SHALL BE
         DETERMINED IN ACCORDANCE WITH THE LAWS OF THE STATE OF TEXAS
         APPLICABLE TO CONTRACTS MADE AND TO BE PERFORMED WITHIN SUCH STATE.

(h)      The Company will require any successor (whether direct or indirect,
         by purchase, merger, consolidation or otherwise) to all or
         substantially all of the business

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         and/or assets of the Company, expressly to assume and agree to
         perform the Company's obligations under this Plan in the same manner
         and to the same extent that the Company would be required to perform
         them if no such succession had taken place.

(i)      The Plan shall be unfunded. Neither the Company, any Participating
         Employer, the Committee, nor the Board shall be required to
         segregate any assets or secure any liability that may at any time
         exist under the Plan.

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                                   SCHEDULE A

                            ADMINISTRATIVE PROCEDURES

                                 PLAN YEAR 2001
                            -------------------------

1. TARGET AWARDS

The following target award schedule shall apply to Participants in the Plan
for the Plan Year 2001 and for subsequent Plan Years unless changed by the
Board of Directors or Compensation Committee:

         GRADE                                       TARGET
         LEVEL                          (% OF SALARY AT 12/31 OF PLAN YEAR)
         -----                          -----------------------------------
            99                                         65%
            98                                         60%
            97                                         55%
            96                                         50%
            95                                         45%
            94                                         40%
            93                                         35%
            92                                         30%
            91                                         27.5%
            90                                         22.5%

2. ASSIGNMENT TO AWARD UNITS

The Company has established Award Units for purposes of the Employee
Incentive Plan ("EIP") applicable to Employees generally. Each Participant
shall be deemed to be a member of the Award Unit through which such individual
would participate in the EIP if such individual were not a Participant in this
Plan.

3. CALCULATION OF AWARDS

The award payable to each Participant shall be determined under the following
formula:

        Award       =       S * T * X/7%

Where:

        S     is the Participant's Salary;

        T     is the Participant's target award, determined under Paragraph 1
              above; and

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        X     is the percentage of EIP Target paid to Employees in the Award
              Unit to which the Participant is assigned.

The above calculation may result in an award ranging from 0% up to 200% of the
Target.

4. PERFORMANCE AND OTHER ADJUSTMENTS

In the case of the Chief Executive Officer ("CEO") or other employees who, in
the Committee's judgment, do not provide services to a single SBU, Facility,
Technology Group or Staff, the Committee shall make a special determination as
to the manner in which any such individual's award shall be calculated.

In the event the Committee determines that an individual Participant or group
of Participants has made contributions to the success of the Company which
deserve special recognition, the Committee may provide for such enhancement of
the awards payable to them as the Committee may deem appropriate. Conversely,
if the Committee determines that an individual Participant or group of
Participants has failed to make such contribution as would have been justified
by application of the formula described in paragraph 3 above, the Committee may
reduce or cancel the award payable to any such Participant.

                                      10<Page>

                          CHEVRON PHILLIPS CHEMICAL COMPANY LP
                             SPECIAL SYNERGY INCENTIVE PLAN

         Chevron Phillips Chemical Company LP has adopted a one-time
incentive plan that focuses on the ability of the Company and its affiliated
companies (collectively the "Company") to achieve in excess of $150 million
in annually recurring synergies/cost savings from the Company's start-up
through June 30, 2002.

                                 ARTICLE I - PURPOSE

         The Plan is intended to provide a significant incentive and
prospective award opportunity for selected senior management and other
employees to achieve in excess of $150 million in planned, annually recurring
synergies/cost savings on or before June 30, 2002.

                              ARTICLE II - PARTICIPATION

         (a)   The President and Chief Executive Officer will nominate
               personnel to participate in each of two Incentive Pools,
               Executive Pool and Selected Managers Pool. Each participant
               must be a full-time employee of the Company at the time of his
               or her entrance into the Plan.

         (b)   The Executive Pool shall consist of such number of executive
               management members as the Compensation Committee shall
               designate.

         (c)   The Selected Managers Pool shall consist of such additional
               full-time management members as the Compensation Committee
               shall designate.

         (d)   The nominations made by the President and Chief Executive
               Officer shall be confirmed by the Compensation Committee of
               the Board of Directors of Chevron Phillips Chemical Company
               LLC. A participant must be a full-time employee of the Company
               at the time of his or her entrance to the Plan.

                              ARTICLE III - ADMINISTRATION

         The Plan shall be administered by the Compensation Committee, unless
otherwise determined by the Board. The Committee shall have the full authority
to:

         (a)   Determine, designate and verify from time to time the amount
               of recurring synergies achieved, as reported by management;

         (b)   Determine and designate from time to time the participants to
               whom awards are made;

         (c)   Interpret the Plan, in its discretion;

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         (d)   Prescribe, award, and rescind any rules and regulations
               necessary or appropriate for the administration of the Plan; and

         (e)   Make such other determinations and take such other action as
               it deems necessary or advisable in the administration of the
               Plan.

                              ARTICLE IV - INCENTIVE POOLS

         Each of the Executive Pool and the Selected Managers Pool shall be
equal to such percentage of all annually recurring synergies achieved above a
$150 million threshold as the Compensation Committee may determine. The $150
million in annually recurring synergies/cost savings must be obtained on or
before December 31, 2001. The percentage applicable to the Executive Pool and
the Selected Managers Pool need not be the same.

         The total value of each Incentive Pool will be determined by June
30, 2002. Any synergies/cost savings achieved after that date will not count
towards the Executive Pool.

                       ARTICLE V - ACCELERATED DETERMINATION

         In the event that the Company achieves $200 million in recurring
synergies/cost savings before June 30, 2002, the value of the Incentive Pools
will be initially determined as of that date and participants shall receive
awards within 45 days thereafter, as set forth in Article VI below, on the
basis of the initial Incentive Pools. A second measurement will occur on June
30, 2002 and participants will receive a supplement incentive payment within
45 days following June 30, 2002 on the basis of the difference between the
initial Incentive Pools (determined prior to June 30, 2002) and the final
Incentive Pools (determined as of June 30, 2002).

                ARTICLE VI - ALLOCATION OF THE INCENTIVE POOLS

         The Incentive Pools will be allocated to participants in such manner
as the Compensation Committee may direct. Allocations may be in stated dollar
amounts or may be based on other criteria, including the relative compensation
of participants within a Pool, the extent to which a participant had
contributed to the realization of recurring synergies important to the
Company's financial success, or other factors. The methods of allocation may
vary as between the Executive Pool and the Selected Managers Pool. The
Committee may categorize awards as basic awards, discretionary awards or such
other type of awards as it may deem appropriate, and may make all such awards
subject to such rules, regulations or requirements as to performance as it may
elect. The Committee's evaluation as to the amount allocable to any
participant shall be final and binding on all participants and the Company.

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                      ARTICLE VII - TERMINATION OF EMPLOYMENT
                      ---------------------------------------

     (a)   A participant who, prior to the date on which awards are paid,
           either (i) voluntarily terminates employment or (ii) is discharged
           for cause, shall have no right to any awards under the Plan.

     (b)   An Executive Pool participant whose employment is terminated due to
           layoff, retirement, death, disability or transfer to a parent
           company may be eligible, in the sole discretion of the Committee, for
           up to two thirds (2/3) of any basic award that may otherwise have
           been made to him or her and for such portion of any other
           discretionary award as the Committee may elect to make. The
           remainder of any basic award shall be reallocated to the remaining
           participants in the Executive Pool, exclusive of those other
           participant's whose awards have been reduced for any of the
           foregoing reasons.

     (c)   A Selected Managers Pool participant whose employment is terminated
           due to layoff, retirement, death, disability or transfer to a parent
           company shall receive no basic award, but may be eligible, in the
           sole discretion of the Committee for such portion of any Selected
           Managers Pool discretionary award as the Committee may elect to make.

                              ARTICLE VIII - NEW ENTRANTS
                              ---------------------------

     The Compensation Committee may, upon the recommendation of the President
and Chief Executive Officer, select additional participants for either the
Executive Pool or the Selected Managers Pool. The Committee may, but shall not
be required to, provide for awards to additional participants on the same basis
as the same shall have been made to original participants.

                              ARTICLE IX - PAYOUT OF AWARDS
                              -----------------------------

     Except as provided in Article V, awards will be paid by the Company within
45 days following the determination of the value of the Incentive Pool. Awards
will be paid as cash bonuses and will be subject to normal rules regarding
withholding and payroll taxes. Participants may elect to defer all or a portion
of their awards (in 10 percent increments) into the Chevron Phillips Chemical
Company LP Executive Deferred Compensation Plan, and awards shall be deemed to
be "Bonuses" as provided in such plan. Any such election must be made on or
before December 31, 2001, subject to approval by the Deferred Compensation Plan
Committee.

                                  ARTICLE X - EXPIRATION
                                  ----------------------

     The Plan will expire on June 30, 2002, and the Plan will become
non-operational from that date forward, subject to final payout of awards.

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                                ARTICLE XI - MISCELLANEOUS
                                --------------------------

     The validity, construction, and effect of the Plan and any actions taken
or relating to the Plan shall be determined in accordance with the laws of the
State of Texas, (other than choice of law provisions) except to the extent
pre-empted by applicable Federal law.

     Nothing in the Plan shall be construed to confer upon any participant any
right to continued employment with the Company or interfere in any way with the
right of the Company to terminate the employment, or discipline, such
participant at any time without assigning any reason therefor.

     The Plan shall be unfunded until such time as awards are paid.

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