Document:

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                                                                   Exhibit 10.13

                                SUPPLY AGREEMENT

THIS AGREEMENT is made the _______ day of _______________, 1999

BETWEEN:

            UCAR CARBON COMPANY INC., a Delaware corporation having an office at
            3102 West End Avenue, Suite 1100, Nashville, Tennessee, 37203, USA

            ("UCAR CARBON")

AND:

            BALLARD POWER SYSTEMS INC., a company organized and existing under
            the laws of Canada, the main office of which is at 9000 Glenlyon
            Parkway, Burnaby, British Columbia, Canada V5J 5J9

            ("BPS")

WHEREAS:

(A) UCAR CARBON and BPS have entered into the Collaboration Agreement for the
development of Target Products;

(B) BPS seeks an assured source of supply of the Materials in connection with
the development and manufacture of electrically conductive fuel cell separator
plates;

(C) BPS wishes to purchase from UCAR CARBON, and UCAR CARBON wishes to supply to
BPS, the Materials, on the terms and subject to the conditions set forth in this
Agreement;

NOW THEREFORE the parties covenant and agree as follows:
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                                     PART 1

                         DEFINITIONS AND INTERPRETATION

DEFINITIONS

1.1 In this Agreement, including the recitals and schedules, except as expressly
provided or unless the context otherwise requires,

      AFFILIATE, in relation to a specified Person, means a Person that directly
      or indirectly controls, is under common control with, or is controlled by
      the specified Person, and for the purposes hereof, a Person will be deemed
      to CONTROL a corporation if

            (a) securities of the corporation to which are attached more than
            50% of the votes that may be cast to elect directors of the
            specified corporation or other rights to elect a majority of the
            directors are held, other than by way of security only, by or for
            the benefit of the Person, and

            (b) the votes attached to those securities are sufficient, if
            exercised, to elect a majority of the directors of the corporation,

      BUSINESS DAY means a day that is not a Saturday, a Sunday or a British
      Columbia provincial, Canadian federal, United States national or Tennessee
      state, holiday,

      CHIEF EXECUTIVE OFFICER means, in the case of BPS, BPS's Chief Operating
      Officer and in the case of UCAR CARBON, UCAR CARBON's President,

      COLLABORATION has the meaning ascribed to it in the Collaboration
      Agreement,

      COLLABORATION AGREEMENT means the Collaboration Agreement between UCAR
      CARBON and BPS made May 3, 1999,

      COMMENCEMENT DATE means the date of execution of this Agreement,

      CONFIDENTIAL INFORMATION means, in relation to a Person, information known
      or used by such Person in connection with its business or technology,
      including, but not limited to, such Person's Intellectual Property,
      customer information, financial information, marketing information, and
      information as to business opportunities and research and development,

      DISCLOSING PARTY has the meaning ascribed to it in Section 6.1,

      EVENT OF DEFAULT in relation to a party means an event of default arising
      as a result of a party
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                                      -3-

      being subject to one or more of the following circumstances:

            (a)   an order is made or a resolution is passed or a petition is
                  filed by such party for the liquidation, dissolution or
                  winding-up of such party,

            (b)   such party is in material breach of its obligations under Part
                  6,

            (c)   such party commits a material default in observing or
                  performing any other material covenant, agreement or condition
                  of this Agreement on its part to be observed or performed and,
                  where such breach is curable, does not rectify or cure such
                  breach within 30 days after receipt of written notice from the
                  other party to this Agreement specifying such breach;

            (d)   an execution, sequestration or any other process of any
                  court becomes enforceable against such party or any
                  distress or analogous process is levied upon any material
                  part of the property, assets or undertaking of such party
                  and any such process or distress is not stayed or otherwise
                  suspended by a court of competent jurisdiction within 30
                  days and has, or could have, a material adverse effect on
                  the business or condition, financial or otherwise, of such
                  party;

            (e)   such party applies to be put in bankruptcy, takes any
                  action that would permit its creditors to make an
                  application to put such party in bankruptcy, is adjudged or
                  declared bankrupt or makes an assignment for the benefit of
                  creditors, consents to a proposal or similar action under
                  any bankruptcy or insolvency legislation applicable to it,
                  or commences any other proceedings relating to it under any
                  reorganization, arrangement, readjustment of debt,
                  dissolution or liquidation law or statute of any
                  jurisdiction whether now or hereafter in effect, or
                  consents to any such proceeding;

            (f)   a custodian, liquidator, receiver, receiver and manager,
                  receiver-manager, trustee or any other person with similar
                  powers is appointed for such party or in respect of any
                  material property or assets or material part of the
                  property or assets of such party and not discharged within
                  30 days after its appointment and before any action is
                  taken by it in respect of such property or assets which
                  will materially affect the rights of the parties to this
                  Agreement thereto;

            (g)   a final, non-appealable, decision of any judicial,
                  administrative, governmental or other authority or arbitrator
                  is made which enjoins or restrains or renders illegal or
                  unenforceable, the performance or observance by such party of
                  any material term of this Agreement;
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      EXCLUSIVE LICENSE                   [REDACTED]

      FIRST YEAR MATERIALS FORECAST       [REDACTED]

      FIRST YEAR MATERIALS PRICING        [REDACTED]

      FORCE MAJEURE means an act of God, strike, lockout or other industrial
      disturbance, war, blockade, insurrection, riot, earthquake, typhoon,
      hurricane, flood, fire, explosion or other similar occurrence beyond the
      reasonable control of a party which prevents such party from performing
      its obligations under the Agreement,

      INTELLECTUAL PROPERTY means in relation to a Person, each patent, patent
      application, industrial design, invention, design, trade secret, idea,
      work, methodology, technology, innovation, creation, concept, moral right,
      development drawing, research, analysis, know-how, experiment, copyright,
      data, formula, method, procedure, process, system or technique of such
      Person, but does not include trademarks or tradenames,

      LICENSE has the meaning ascribed to it in Section 5.1,

      MATERIALS         [REDACTED]

      MUTUAL SECRECY AGREEMENT has the meaning ascribed to it in the
      Collaboration Agreement,

      NOTICE has the meaning ascribed to it in Section 9.4,

      PERSON means an individual, corporation, body corporate, firm, limited
      liability company, partnership, syndicate, joint venture, society,
      association, trust or unincorporated organization or trustee or other such
      legal representative,

      PEM FUEL CELL means a solid polymer fuel cell and includes a direct
      oxidation fuel cell,

      RECIPIENT has the meaning ascribed to it in Section 6.1,

      RECIPIENT'S AGENTS has the meaning ascribed to it in Section 6.1(a),
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      SPECIFICATIONS means BPS's specifications for the Materials as set forth
      in Schedule A or such other specifications for the same as the parties may
      agree from time to time,

      SUPPLIER EVALUATION SYSTEM means at any particular time, BPS's then
      existing standard of evaluating supplier performance and product quality,
      the current criteria in respect of which is set forth in Schedule D,

      TARGET PRODUCT means an electrically conductive fuel cell separator plate
      developed pursuant to the Collaboration utilizing any of the Materials,

      TERMS AND CONDITIONS means the terms and conditions of purchase set forth
      in Section 3.1 as may be amended from time to time by the parties, and

      YEAR means the period of 12 months commencing on the Commencement Date and
      where applicable, each consecutive period of 12 months thereafter during
      the term of this Agreement.

INTERPRETATION

1.2         In this Agreement, except as otherwise expressly provided or
unless the context otherwise requires,

      (a) "this Agreement" means this Supply Agreement, including the Schedules
      hereto, as from time to time supplemented or amended by one or more
      agreements entered into pursuant to the applicable provisions hereof,

      (b) the headings in this Agreement are inserted for convenience only and
      do not form a part of this Agreement and are not intended to interpret,
      define or limit the scope, extent or intent of this Agreement or any
      provision hereof,

      (c) the word "including", when following any general statement or term, is
      not to be construed as limiting the general statement or term to the
      specific items or matters set forth or to similar items or matters, but
      rather as permitting the general statement or term to refer to all other
      items or matters that could reasonably fall within its broadest possible
      scope,

      (d) all accounting terms not otherwise defined herein have the meanings
      assigned to them in accordance with Canadian generally accepted accounting
      principles applied on a consistent basis,

      (e) except where otherwise specified, all references to currency mean
      currency of the United States of America,

      (f) a reference to a statute includes all regulations made thereunder, all
      amendments to the statute or regulations in force from time to time, and
      any statute or regulation that supplements or
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      supersedes such statute or regulations,

      (g) a reference to an entity includes any successor to that entity,

      (h) words importing the masculine gender include the feminine or neuter,
      words in the singular include the plural, words importing a corporate
      entity include individuals, and vice versa,

      (i) a reference to "approval", "authorization" or "consent" means written
      approval, authorization or consent,

      (j) a reference to a Part is to a Part of this Agreement and the symbol
      Section followed by a number or some combination of numbers and letters
      refers to the section, paragraph, subparagraph, clause or subclause of
      this Agreement so designated.

SCHEDULES

1.3 The following are the schedules attached and incorporated in this Agreement
by reference and are deemed to form a part hereof:

            Schedule A              Materials Specifications
            Schedule B              First Year Products Forecast
            Schedule C              First Year Products Pricing
            Schedule D              Supplier Evaluation System Criteria

                                     PART 2

                                SALE OF MATERIALS

MATERIALS SALE

2.1     [REDACTED]

SUPPLIER EVALUATION SYSTEM

2.2     [REDACTED]

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MOST FAVOURED CUSTOMER

2.3    [REDACTED]

FIRST YEAR FORECAST AND PRICING

2.4 During the first year of this Agreement BPS agrees to buy at a minimum the
quantities set out in BPS's First Year Materials Forecast as set forth in
Schedule B and UCAR CARBON agrees to sell Materials at the prices set forth in
UCAR CARBON'S First Year Materials Pricing as set forth in Schedule C. UCAR
CARBON's pricing and delivery schedule for the first year is subject to change
if BPS makes a material change in its First Year Materials Forecast.

FUTURE FORECASTS AND PRICING

2.5 Future forecasts, pricing and production for the Materials will be dealt
with as follows:

      (a)   [REDACTED]

      (b)   [REDACTED]

      (c)   [REDACTED]

      (d)   [REDACTED]

      (e)   [REDACTED]

DELIVERY OF MATERIALS

2.6 Without derogating from its obligations to supply the Materials on a timely
basis, UCAR CARBON must achieve, in any eight-week period

      (a)   [REDACTED]
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      (b)  [REDACTED]

      (c)  [REDACTED]

For the purposes hereof, in determining on-time delivery dates, Materials that
do not meet the agreed Specifications will be deemed not to have been delivered.

LICENSE TO USE OF MATERIALS

2.7 Subject to Section 2.9 of the Collaboration Agreement, UCAR CARBON hereby
grants to BPS a perpetual, irrevocable, worldwide, non-exclusive, royalty-free
and paid-up right and license under UCAR CARBON's Intellectual Property rights
to use the Materials supplied by UCAR CARBON to BPS in connection with the
development, manufacture, use or sale of electrically conductive fuel cell
separator plates.

IMPROVEMENTS TO MATERIALS

2.8     [REDACTED]

2.9     [REDACTED]

                                     PART 3

                               CONDITIONS OF SALE

SALES/PURCHASE ORDER CONDITIONS

3.1 All sales of Materials and all purchase orders issued and acknowledged under
this Agreement will be subject to the Terms and Conditions set forth below:

      (a)   ACCEPTANCE

      A purchase order is not binding on BPS until accepted by UCAR CARBON.
      Acceptance of a purchase order and all terms and conditions as set out in
      this Section 3.1 will take place when (i) BPS receives UCAR CARBON's
      acknowledgement by electronic mail, fax or other agreed form, or (ii) UCAR
      CARBON delivers to BPS the materials or items ordered, whichever is
      earlier.

      (b)   PRICE

      The price for the materials or items ordered will be paid by BPS in
      cleared funds to the bank
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       nominated by UCAR CARBON within 30 days after the later of

            (a)   receipt by BPS of the ordered goods, and

            (b)   the date of the applicable invoice,

      such payment to be made by check, credit transfer or irrevocable confirmed
      letter of credit; provided that, subject to BPS's rights under Section
      3.1(h) and in the purchase order, BPS will only be obligated to pay for
      materials or items that are actually received by it. In addition, to the
      purchase price, BPS will pay to UCAR CARBON the amount of all taxes,
      excises or other governmental charges (except taxes on or measured by
      income) that UCAR CARBON may be required to pay with respect to the
      production, sale or transportation of any materials or items delivered to
      BPS under the purchase order.

      (c )  OVERSHIPMENTS, INSTALLMENTS

      BPS will pay only for the maximum quantities ordered. Overshipments will
      be held at UCAR CARBON's risk and expense for a reasonable time while
      awaiting shipping instructions from UCAR CARBON. Return shipping charges
      for excess quantities will be at UCAR CARBON's expense. Any provision
      herein for delivery of materials or items by installment will not be
      construed as rendering the obligations of UCAR CARBON severable and BPS
      will only be obliged to pay the price of the materials or items included
      in such installment after such installment is actually received by BPS.

      (d)   PACKING AND SHIPMENT

      Unless otherwise specified in the purchase order, if the price of the
      ordered materials or items is based on the weight thereof, such price must
      reflect the net weight of the materials or items ordered only, and no
      charges will be allowed for boxing, crating, handling damage, carting,
      drayage, storage or other packing requirements. Unless otherwise specified
      in the purchase order, all ordered materials or items must be securely
      packed in cartons, boxes or other containers, and marked and otherwise
      prepared for shipment in a manner which is

            (i)   in accordance with good commercial practice,

            (ii) acceptable to common carriers for shipment at the lowest rate
            for the particular materials or items, and

            (iii) adequate to ensure safe arrival of the ordered materials or
            items at the named destination.

      UCAR CARBON must mark all containers with necessary lifting, handling and
      shipping information, purchase order numbers, date of shipment and the
      names of the consignee and
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       consignor, if applicable. An itemized packaging sheet must accompany each
       shipment. No partial or complete delivery will be permitted hereunder
       before the date or dates specified for delivery without BPS's prior
       written consent thereto. If the ordered materials or items are improperly
       delivered for shipment, any additional cost thereby incurred will be for
       the account of, and will be paid by, UCAR CARBON, and may be deducted by
       BPS from the payment of the price for such materials or items.

      (e)   DELIVERY

      Unless otherwise directed by BPS or specifically provided in the purchase
      order, the materials or items called for hereunder will be delivered on a
      FCA origin basis. The term "FCA" has the meaning ascribed thereto in, and
      is to be interpreted in accordance with, the Incoterms 1990 published by
      the International Chamber of Commerce. Notwithstanding the shipping terms
      contained in the purchase order, title to the materials or items and risk
      will remain with UCAR CARBON and not pass to BPS until delivery to BPS's
      named destination for importation.

      (f)   WARRANTIES

      UCAR CARBON warrants, represents, covenants and agrees as follows:

            (i)   the materials or items supplied pursuant to the purchase
            order will

                  (A) be in full compliance with BPS's Specifications,
                  blueprints, drawings and data,

                  (B) be in conformity with samples approved by BPS,

                  (C) not infringe any patent, copyright, trade secret, mask
                  work right, trademark or other intellectual property right of
                  any person covering the material or item itself but UCAR
                  CARBON does not warrant against infringement by reason of the
                  use of such material or item in combination with other
                  articles or material or in the practice of any process other
                  than a process for which such item has been expressly
                  manufactured by UCAR CARBON,

                  (D) be so supplied, and BPS will have title thereto, free and
                  clear of all liens, charges, encumbrances and security
                  interests;

            (ii) THERE ARE NO EXPRESS WARRANTIES BY UCAR CARBON OTHER THAN THOSE
            SPECIFIED IN THIS SECTION. NO WARRANTIES BY UCAR CARBON (OTHER THAN
            WARRANTY OF TITLE AS PROVIDED BY THE UNIFORM COMMERCIAL CODE) SHALL
            BE IMPLIED OR OTHERWISE CREATED AT LAW OR IN EQUITY, INCLUDING, BUT
            NOT LIMITED TO, WARRANTY OF MERCHANTABILITY
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            AND WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE. Without limiting
            the generality of the foregoing, BPS assumes all risk and liability
            for the results obtained by the use of any products delivered
            hereunder in combination with other articles or material or in the
            practice of any process other than a process for which such item has
            been expressly manufactured by UCAR CARBON.

            (iii) BPS's receipt of any products delivered hereunder shall be an
            unqualified acceptance of, and a waiver by BPS of any and all claims
            (including claims arising under the warranties specified in this
            Section 3.1(f)) with respect to, such products unless BPS gives UCAR
            CARBON notice of claim within 150 days after such receipt or within
            ten days after BPS shall have received written notice of any claim
            of infringement covered by clause (i) above,

            (iv) if any materials or items delivered hereunder do not meet the
            warranties specified herein, BPS may, at its option

                  (A) require the UCAR CARBON to correct, at no cost to BPS, any
                  defective or non-conforming materials or items by repair or
                  replacement, or

                  (B) return such defective or non-conforming materials or items
                  at UCAR CARBON's expense to the UCAR CARBON and recover from
                  the UCAR CARBON the purchase order price thereof, or

                  (C) correct the defective or non-conforming materials or items
                  itself and charge UCAR CARBON with the cost of such
                  correction.

            The foregoing remedies are exclusive to BPS.

            (v) No waiver by BPS of any drawing or specification requirement for
            one or more of the materials or items ordered will constitute a
            waiver of such requirements for the remaining materials or items to
            be delivered hereunder, unless specified by BPS in writing. The
            provisions of this Section 3.1(f) will not limit or affect the
            rights of BPS under Section 3.1(h).

      (g)   INVOICES

      Each invoice issued as a result of the purchase order must

            (i)   be rendered separately for each delivery,

            (ii) not cover more than one purchase order,

            (iii) contain the purchase order number under which it is issued,
            and
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            (iv) be rendered to the proper Accounts Payable Department of BPS as
            set forth in the purchase order.

            Invoice payment terms will be calculated from the date the invoice
      is received by the proper Accounts Payable Department of BPS by electronic
      mail, fax or other agreed form.

       (h)  INSPECTION

      Materials or items purchased pursuant to the purchase order are subject to
      BPS's inspection and approval at any place BPS may reasonably designate.
      BPS may, without liability hereunder or otherwise and without prejudice to
      any other rights or remedies available to it, reject and refuse acceptance
      of any materials or items, which do not conform in all respects to

            (i)   any instructions contained in the purchase order,

            (ii)  BPS's Specifications, drawings, blueprints and data, or

            (iii) UCAR CARBON's warranties.

      With respect to any materials or items which do not so conform, BPS may,
      in BPS's sole discretion, hold such materials or items for UCAR CARBON's
      inspection at UCAR CARBON's risk upon notification to UCAR CARBON, or
      return such materials or items to UCAR CARBON at UCAR CARBON's expense.
      BPS's rejection of any materials or items subject to the purchase order
      will be without prejudice to its rights to require UCAR CARBON to perform
      its obligations in respect of the balance of the purchase order. Payment
      for any item will not be deemed to be an acceptance thereof.

      (i)   CHANGES

      BPS may, with reasonable notice to UCAR CARBON, at any time change

            (i) the Specifications, drawings, blue prints and data concerning
            the ordered materials or items where such materials or items are to
            be specifically manufactured for BPS,

            (ii) the method of packaging, packing or shipment of the ordered
            materials or items, and

            (iii) the place and/or time of delivery of such materials or items.

      If any such change causes an increase or decrease in the cost(including
      any unusable work in progress) or the time required for the delivery of
      the materials or items ordered, UCAR CARBON will claim an equitable
      adjustment in the price or delivery schedule, or both within 30 days after
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      receipt by UCAR CARBON of the requested change.

      (j)   INDEMNIFICATION

      Each party will indemnify and hold the other harmless from and against any
      claim, demand, cause of action, damage, costs and expenses which the other
      might sustain or become liable for arising from or in connection with that
      party's performance or nonperformance hereunder. No claims of any kind,
      with the exception of those claims arising out of Section 3.1(f)(i)(C),
      Section 3.1(f)(i)(D), Section 3.1(k)or Part 6 of the Agreement with
      respect to any material or item covered by this document, whether as to
      materials or items delivered or for delayed delivery or non-delivery of
      the material or item and whether or not based on negligence or warranty,
      shall be greater in aggregate amount than the purchase price of the
      materials or items in respect of which such claims are made. In no event,
      with the exception of those claims arising out of Section 3.1(f)(i)(C),
      Section 3.1(f)(i)(D), Section 3.1(k) or Part 6 of the Agreement shall
      either party be liable for special, indirect or consequential damages,
      whether or not caused by or resulting from the negligence of such party.

      (k)   PATENTS

      UCAR CARBON will defend, at UCAR CARBON's own expense, all suits, actions
      or proceedings in which BPS, or any of the BPS's distributees or dealers,
      or the users, lessees or customers of any of BPS's products, are made
      defendants for actual or alleged infringement of any copyright, trademark,
      trade secret, mask work right, Canadian, U.S. or other foreign patent or
      other intellectual property right resulting from the possession, use, sale
      or resale of any material or item purchased hereunder. If by virtue of a
      patent infringement suit an injunction is issued against BPS which
      prohibits or limits the use of any materials or items ordered or purchased
      hereunder or UCAR CARBON notifies BPS to cease use of any materials or
      items purchased hereunder, UCAR CARBON, at BPS's request, will supply BPS
      with non-infringing replacement materials or items of a similar kind,
      quality and quantity. BPS will cease use of materials or items purchased
      hereunder which are subject to an infringement action upon receipt of
      notice of such action and upon request by UCAR CARBON. UCAR CARBON's
      obligations under this Section 3.1(k) or Section 3.1(j) do not apply to
      any suits, actions or proceedings in which the actual or alleged
      infringement results from the use of such material or item in combination
      with other articles or material or in the practice of any process other
      than a process for which such item has been expressly manufactured by UCAR
      CARBON.

      (l)   COMPLIANCE WITH LAW

      UCAR CARBON warrants and represents that it has complied with, and will
      continue, during the performance of its obligations hereunder, to comply
      with, all laws and conform to all requirements of each applicable
      governmental authority with respect to the supply of the ordered materials
      or items, including those concerning the packaging, storage, shipment and
      exportation of all or any part thereof, and will ensure that no chemical
      substance delivered to BPS is on the list of prohibited substances
      described in applicable environmental laws. UCAR CARBON will obtain all
      federal, provincial, state, municipal and other government or regulatory
      licenses, permits or other
<PAGE>   14
                                      -14-

      documents or permissions that are required by BPS that are incidental to
      the sale or shipment of the ordered materials or items to BPS.

      BPS warrants and represents that it has complied with, and will continue,
      during the performance of its obligations hereunder, to comply with, all
      laws and conform to all requirements of each applicable governmental
      authority with respect to the ordered materials or items and payment
      therefor and importation thereof.

      (m)   NON-PUBLICITY

      Except as may be required by law or applicable governmental regulatory
      authorities, neither party will, without the prior written consent of the
      other party

            (i) make any news release, public announcement, denial or
            confirmation of any purchase order or its subject matter, or

            (ii) in any manner advertise or publish the fact that BPS has placed
            any purchase order with UCAR CARBON.

      (n)   PROPERTY

      All tooling, equipment or material of every description owned by a party
      to this Agreement(the "Owner") and furnished to the other party or
      specifically paid for by the Owner, and any replacement thereof, will
      remain the property of the Owner. Such property, and whenever practical,
      each individual item thereof, will be plainly marked or otherwise properly
      identified as the "Property of the Owner." and will be safely stored. The
      party will not substitute any property for the Owner's property and will
      not use such property except in fulfilling the purchase order. Such
      property, while in the party's custody or control, will be held at that
      party's expense, and will be insured by that party in an amount equal to
      its replacement cost with loss payable to Owner. Such property will be
      prepared for shipment and delivered in good condition, normal wear and
      tear excepted, to the Owner on a FCA origin basis immediately upon request
      by the Owner.

      (o)   TERMINATION

      BPS may require UCAR CARBON to terminate work under any purchase order in
      whole or in part at any time by notice to UCAR CARBON in writing,
      whereupon UCAR CARBON will immediately stop work on the purchase order, or
      the terminated portion thereof, and notify its subcontractors to do
      likewise. Except for such termination as is caused by a default or delay
      of UCAR CARBON, UCAR CARBON will be entitled to reimbursement for its
      actual costs applicable to the termination incurred up to and including
      the date of termination. UCAR CARBON will also be entitled to reasonable
      profit on the work done before such termination at a rate not exceeding
      the rate used in establishing the original purchase price. The total
      amount of such claim will not exceed the cancelled commitment value of the
      purchase order.
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      (p)   TERMINATION FOR DEFAULT

      The BPS and UCAR CARBON covenant and agree as follows:

            (i) BPS may, by written notice, terminate any purchase order in
            whole or in part if UCAR CARBON fails

                  (A) to make delivery of the ordered materials or items or to
                  perform the services in the manner and within the time
                  specified therefor or any extension thereof by written change
                  order or amendment, or

                  (B) to replace or correct defective materials or items in
                  accordance with Section 3.1(f) and Section 3.1(h), or

                  (C) to perform any other provision of the purchase order, or

                  (D) to make progress so as to endanger performance of its
                  obligations under the purchase order;

            (ii) if a purchase order is terminated by reason of UCAR CARBON's
            default, UCAR CARBON will transfer title and deliver to BPS,
            promptly at BPS's request, in the manner and to the extent directed
            by BPS,

                  (A)   any completed materials or items, and

                  (B) such particularly completed materials or items as UCAR
                  CARBON has produced or acquired for the performance of the
                  terminated part of the purchase order.

            UCAR CARBON will protect and preserve such property in the
            possession of UCAR CARBON. Payment for completed materials or items
            delivered to and accepted by BPS will be in an amount agreed upon by
            UCAR CARBON and BPS, which amount must not exceed the contract price
            therefor; and

            (iii) failure by BPS to enforce any of its rights under the purchase
            order will not be deemed a waiver thereof.

      (q)   ATTORNEY'S FEES

      If UCAR CARBON and BPS are unable to resolve any dispute arising under the
      purchase order and any suit or other judicial proceeding is instituted
      with reference thereto, the successful party in any such suit or other
      judicial proceeding will be paid promptly by the other party an additional
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      amount equal to the successful party's reasonable attorney's fees and
      costs incurred.

      (r)   GENERAL

      The following general provisions will apply to all purchase orders:

            (i) time will be of the essence hereof;

            (ii) the purchase order is given pursuant to this Agreement and will
            be subject to the terms of this Agreement and in the event of any
            conflict between the terms of this Agreement and the terms of the
            purchase order, the terms of this Agreement will govern;

            (iii) waiver by a party of any of its rights or default by the other
            hereunder will not be deemed a waiver by such party of any other
            right or default;

            (iv) UCAR CARBON will not change a purchase order or ship
            non-conforming items without first obtaining the written consent of
            BPS;

            (v) UCAR CARBON will, from time to time upon request by BPS, do,
            execute, acknowledge, deliver, or cause to be done, executed,
            acknowledged and delivered, all and every such further acts, bills
            of sale, bills of lading, deeds, transfers and assurances as BPS may
            reasonably request to evidence or protect BPS's ownership interest
            in the ordered items or to carry into effect the intentions of the
            parties as set out in this purchase order.

            (vi) UCAR CARBON will, at BPS's request, make available to BPS's
            Affiliates those items or materials of the kind that are the subject
            matter of the purchase order at prices payable by BPS under the
            purchase order. UCAR CARBON may but is not required, at BPS's
            request, to make available to BPS licensees and customers those
            items or materials of the kind that are the subject matter of the
            purchase order at prices payable by BPS under the purchase order.

      (s)   ASSIGNMENTS

      Neither party may assign any rights or obligations under a purchase order
      (including the right to receive monies due hereunder) without the prior
      written consent of the other party, and any purported assignment without
      such consent will be void. No assignment will relieve the assigning party
      from its obligations under the purchase order.

      (t) NOTICE OF LABOR DISPUTE

      Whenever an actual or potential labor dispute is delaying or threatens to
      delay the timely performance of a purchase order, the affected party will,
      as soon as practicable, notify the other
<PAGE>   17
                                      -17-

      party of such dispute and furnish all relevant details. Receipt by the
      other party of such notice will not constitute a waiver by that party of
      the affected party's obligation to meet the delivery schedule; however,
      such dispute may constitute an event of Force Majeure as governed by this
      Agreement.

      (u) DISPUTE RESOLUTION AND APPLICABLE LAW

      The Dispute Resolution and Applicable Law provisions set out in Parts 7
      and Section 9.8 of this Agreement shall apply to all purchase orders.

EFFECT OF PURCHASE ORDER TERMS AND CONDITIONS

3.2 The terms and conditions set forth in this Part 3 apply only as to
individual purchase orders issued and accepted in the sale of materials under
this Agreement. In no way should any term contained in Section 3.1 be construed
to give greater rights to a party or alter or amend the obligations of BPS or
UCAR CARBON under the other terms of this Agreement. While a breach of the
individual terms of a purchase order may give rise to a remedy under that
particular purchase order, as set out in this Part 3, in no event will such
breach of an individual purchase order be considered an Event of Default under
this Agreement.

REVISED PURCHASE ORDER TERMS AND CONDITIONS

3.3 BPS will notify UCAR CARBON as soon as reasonably practicable of any
proposed changes to, or substitutions of, the Terms and Conditions. No change to
the Terms and Conditions will be effective as to UCAR CARBON until the parties
have agreed to such change in writing as provided for in this Agreement.

                                     PART 4

                              PRICE OF THE PRODUCTS

PRICE

4.1 Subject to Section 2.3, the price payable by BPS for the Materials will be
as follows:
<PAGE>   18
                                      -18-

      (a)         [REDACTED]

      (b) for all other Material supplied by UCAR CARBON and purchased by BPS
      the price will be as may be agreed upon by the parties pursuant to
      Section 2.4 and Section 2.5.

                                     PART 5

                                GRANT OF LICENSE

            [REDACTED]

5.1         [REDACTED]

            [REDACTED]

5.2         [REDACTED]

LICENSE RESTRICTIONS

5.3         [REDACTED]

TECHNOLOGY TRANSFER

<PAGE>   19
                                      -19-

5.4         [REDACTED]

FURTHER ASSURANCES FOR LICENSED MATERIALS

5.5 UCAR CARBON will execute such further assurances and other documents and
instruments and do such further and other things as may be necessary to
implement and carry out the intent of the provisions of this Part 5.

SURVIVAL OF PART 5 PROVISIONS

5.6         [REDACTED]

                                     PART 6

                                 CONFIDENTIALITY

CONFIDENTIALITY OBLIGATIONS

6.1 Each party (for purposes of this Part 6, the "Recipient"), at all times
during this Agreement and for a period of ten years after the expiry hereof,

      (a) will, and will ensure that each of its directors, officers, employees,
      Affiliates, licensees, including sublicensees (collectively, the
      "Recipient's Agents") will, hold in confidence and keep confidential the
      Confidential Information of a party (the "Disclosing Party") disclosed to
      it by the Disclosing Party,

      (b) will not, and will use reasonable efforts to ensure that the
      Recipient's Agents will not, directly or indirectly, use or disclose any
      such Confidential Information except to the extent that it is strictly
      necessary under this Agreement or the Collaboration Agreement,

      (c) will cause the Recipient's Agents that are recipients of or exposed to
      such Confidential Information, to execute confidentiality agreements to
      protect the same,

      (d) will not, and will ensure that the Recipient's Agents will not, except
      to the extent necessary for the purposes of this Agreement, make copies of
      or otherwise reproduce such Confidential Information, and

<PAGE>   20
                                      -20-

      (e) will, and will ensure that each of the Recipient's Agents will, use
      commercially reasonable best efforts to maintain all such Confidential
      Information in a manner so as to protect the same against wrongful
      disclosure, misuse, espionage and theft.

EXCEPTIONS FOR CONFIDENTIALITY

6.2 The Confidentiality obligations set out in Section 6.1 shall not apply to
any Confidential Information:

      (a) which is or becomes generally available to the public through no
      breach of this Agreement or any other obligation of the Recipient or the
      Recipient's Agents to the Disclosing Party,

      (b) of which the Recipient or the Recipient's Agents had knowledge before
      the date of this Agreement, as evidenced by competent proof, unless the
      same was disclosed to the Recipient or the Recipient's Agents by the
      Disclosing Party,

      (c) of which the Recipient or the Recipient's Agents obtained knowledge
      from a third party, as evidenced by competent proof, unless such third
      party obtained such Confidential Information in violation of any duty of
      confidence owed to the Disclosing Party, or

      (d) which is required to be disclosed pursuant to law or a rule,
      regulation, policy or order of a governmental authority having
      jurisdiction or pursuant to a final order or judgment of a court of
      competent jurisdiction and in such case the parties will cooperate with
      one another to obtain an appropriate protective order or other reliable
      assurance that confidential treatment will be afforded to such
      Confidential Information.

EMPLOYMENT RELATIONS

6.3 Neither party will, during the term of this Agreement and for a period of
two years next after the expiry or termination hereof, solicit for employment
any individual who is, at the time of such solicitation, employed by the other
party or its Affiliates nor will such party, directly or indirectly, induce any
such individual to leave his or her employment. Nothing herein will prevent a
party from employing any such employee so long as no solicitation or inducement
has been made to such employee by or on behalf of such party.

REASONABLE RESTRICTION

6.4 Each party agrees that the restrictions contained in this Part 6 are
reasonable for the protection of the respective legitimate business interests of
the parties.

MUTUAL SECRECY AGREEMENT AND COLLABORATION AGREEMENT

6.5         The provisions of
<PAGE>   21
                                      -21-

      (a) the Mutual Secrecy Agreement (and not Section 6.1 and Section 6.2
      hereof) will apply to all "Proprietary Information" (as defined in such
      agreement) disclosed by the parties to one another before the Effective
      Date (as defined in the Collaboration Agreement) notwithstanding that the
      same Proprietary Information is disclosed again as Confidential
      Information under this Agreement, and

      (b) the provisions of the Collaboration Agreement (and not Section 6.1 and
      Section 6.2) will apply to all Confidential Information disclosed by the
      parties to one another during the term of the Collaboration
      notwithstanding that the same Confidential Information is disclosed again
      during the term of this Agreement.

SURVIVAL OF PART 6 PROVISIONS

6.6 Notwithstanding anything in this Agreement, the provisions of this Part 6
will be separate and distinct covenants and agreements enforceable after the
termination of this Agreement in accordance with the terms of this Part 6, and
any reference in this Agreement to termination will not affect this Part 6
unless specifically agreed to by the parties.

                                     PART 7

                               DISPUTE RESOLUTION

INITIATION OF PROCESS

7.1 If at any time a dispute between the parties with respect to any matter
relating to this Agreement arises, a party that wishes that the issue be
considered further must give written notice (the "Dispute Notice") to the other
requiring that such issue or dispute be decided pursuant to this Part 7.

REFERRAL TO CHIEF EXECUTIVE OFFICERS

7.2 If a Dispute Notice is given, the Chief Executive Officers of each of the
parties will initiate discussions with a view to settling the issue or matter. A
decision reached by such Chief Executive Officers and communicated by them in
writing to the parties will be binding on the parties and will be implemented.

SUBMISSION TO ARBITRATION

7.3 If no decision is communicated by the Chief Executive Officers within 30
days after such issue or dispute is referred to them, either party may at any
time before a decision thereon is so communicated and less than 120 days after
delivery of the Dispute Notice, by further notice given to the other, submit the
issue or dispute for a binding determination by a three member arbitration panel
in
<PAGE>   22
                                      -22-

accordance with the rules of arbitration of the International Chamber of
Commerce.

ACCEPTANCE AND IMPLEMENTATION

7.4 Each of the parties will accept and proceed in good faith diligently to
implement the binding award or decision of an arbitrator on an arbitration
pursuant to Section 7.3.

PLACE OF ARBITRATION

7.5 All arbitration proceedings will be conducted in San Francisco, California
or in such other place as the parties may agree.

LEGAL PROCEEDINGS

7.6 A legal proceeding commenced by a party to this Agreement in respect of an
issue or dispute that may be arbitrated under this Agreement will be stayed
until the time during which arbitration may be initiated has expired or, if
arbitration is initiated, a decision on the arbitration is delivered or the
arbitration process has otherwise ended.

EXCLUSIONS

7.7 This Part 7 will not apply to any action under Part 6 or for the grant of
provisional remedies, including injunctions, restraining orders and specific
performance, and each party reserves its right to commence such action or seek
such remedies from a court of competent jurisdiction.

                                     PART 8

                              TERM AND TERMINATION

TERM

8.1 [REDACTED] If during such review period the parties cannot agree as to the
necessity or content of any such changes, the disagreement as to the proposed
changes shall be submitted to the Dispute Resolution Process set out in Part 7
and the Agreement will continue in effect as if no review had been initiated.

TERMINATION FOR DEFAULT

<PAGE>   23
                                      -23-

8.2         [REDACTED]

NO PREJUDICE

8.3 The right to terminate this Agreement will not prejudice any other right or
remedy of either party in respect of the breach concerned (if any) or any other
breach.

NO FURTHER OBLIGATIONS

8.4 Subject to Section 5.6 and Section 6.6 and the Collaboration Agreement, upon
the termination of this Agreement for any reason, except for any rights or
obligations which may have accrued before termination, or rights specifically
contemplated to continue after termination or arise as a result of termination,
neither party will have any further rights or obligations to the other under
this Agreement.

                                     PART 9

                                  MISCELLANEOUS

MODIFICATIONS, APPROVALS AND CONSENTS

9.1 No amendment, modification, supplement, termination or waiver of any
provision of this Agreement will be effective unless in writing signed by both
parties and then only in the specific instance and for the specific purpose
given.

FURTHER ASSURANCES

9.2 The parties will execute such further assurances and other documents and
instruments and do such further and other things as may be necessary to
implement and carry out the intent of this Agreement.

ENTIRE AGREEMENT

9.3 This Agreement and the Collaboration Agreement constitute the entire
agreement between the parties hereto and supersede all previous expectations,
understandings, communications, representations and agreements whether verbal or
written between the parties.

NOTICES
<PAGE>   24
                                      -24-

9.4 Every notice, request, demand, direction or other communication (each, for
the purposes of Section 9.4, Section 9.5 and Section 9.6, a "Notice") required
or permitted to be given pursuant to this Agreement will be deemed to be well
and sufficiently given if in writing and delivered by hand (or recognized
overnight courier service addressed as follows:

      (a)   if to BPS at:

            9000 Glenlyon Parkway
            Burnaby, British Columbia
            Canada   V5J 5J9
            Attention:  President and Chief Operating Officer
            Facsimile:  (604) 412-3131

            with a copy to BPS's Vice-President, Corporate Affairs at the
            same address; and

      (b)   if to UCAR CARBON at:

            3102 West End Avenue
            Suite 1100
            Nashville, Tennessee
            USA 37203
            Attention:  The President
            Facsimile:  (615) 760-7797

            with a copy to UCAR CARBON's General Counsel at the same address;

or to such other address as is specified by the particular party by Notice to
the others.

DEEMED RECEIPT

9.5 Any Notice delivered as aforesaid will be deemed conclusively to have been
effectively given and received on the day Notice was delivered if it was on a
day that was a Business Day or on the next day that is a Business Day if it was
delivered on a day that was not a Business Day.

CHANGE OF ADDRESS

9.6         A party may at any time, by Notice to the others, change its
address.

ENUREMENT

9.7 This Agreement will enure to the benefit of and be binding upon the parties
and their respective successors and permitted assigns.
<PAGE>   25
                                      -25-

APPLICABLE LAW

9.8 This Agreement will be deemed to have been made in British Columbia, Canada
and the construction, validity and performance of this Agreement will be
governed in all respects by the laws of British Columbia and applicable laws of
Canada. The application of the provisions of the United Nations Convention on
Contracts for the International Sale of Goods are hereby excluded.

ATTORNMENT

9.9 Each party irrevocably attorns to the exclusive jurisdiction of the courts
of British Columbia, Canada and all courts having appellate jurisdiction
thereover in respect of any proceeding arising out of or relating to this
Agreement.

JUDGMENT CURRENCY

9.10 If, for the purposes of obtaining a judgment in any court, it is necessary
to convert a sum awarded in Canadian Dollars (the "Original Currency") into
United States Dollars (the "Judgment Currency"), the parties agree that the rate
of exchange used shall be established on the business day preceding the date on
which the final judgment is rendered by the court. If it is necessary to convert
a sum awarded in United States Dollars (the "Original Currency") into Canadian
Dollars (the "Judgment Currency"), the parties agree that the rate of exchange
used shall be established on the business day preceding the date on which the
final judgment is rendered by the court. The rate of exchange shall be
determined by reference to the Bank of Canada noon rate of exchange for Canadian
to U.S. Dollars or U.S. to Canadian as published by Reuters. In the event such
rate is not available through Reuters the rate shall be ascertained by reference
to any other means by which such rate is published from time to time by the Bank
of Canada.

FORCE MAJEURE

9.11 Neither party will be liable to the other for default or delay in the
performance of its obligations under this Agreement if such default or delay is
caused by fire, strike, riot, war, act of God, delay of carriers, governmental
orders or regulation, complete or partial shutdown of plant by reason of
inability to obtain sufficient raw material or power, or any other occurrence
beyond the reasonable control of such party. The party whose performance is
prevented by any such occurrence will notify the other party of the same in
writing as soon as is reasonably possible after the commencement thereof, will
provide the other with full written particulars of such occurrence and attempts
made to remedy the same, will use commercially reasonable efforts to remedy such
occurrence with all reasonable dispatch and, upon cessation of the occurrence,
will give prompt written notice to the other party of the same. Should an event
of Force Majeure continue for such a period of time that UCAR CARBON will not be
able to meet BPS's monthly forecast as originally established in the Annual
Commitment for the Materials, UCAR CARBON
<PAGE>   26
                                      -26-

shall use reasonable commercial efforts to obtain an alternative source for
performance which may include leasing production time, assigning a temporary
license to allow a third party (which may include BPS) to fulfill the immediate
production concerns and/or other appropriate actions.

SEVERABILITY

9.12 If any provision contained in this Agreement is found by any court or
arbitrator for any reason to be invalid, illegal or unenforceable in any
respect,

      (a) the validity, legality and enforceability of the remaining provisions
      contained herein will not in any way be affected or impaired thereby,
      unless in either case as a result of such determination this Agreement
      would fail in its essential purpose, and

      (b) the parties will use their best efforts to substitute for any
      provision that is invalid, illegal or unenforceable a valid and
      enforceable provision which achieves to the greatest extent possible the
      economic, legal and commercial objectives of such invalid, illegal or
      unenforceable provision and of this Agreement and, failing the agreement
      of the parties on such a substitution within 30 days after the finding of
      the court or arbitrator, either party may refer the matter for dispute
      resolution under Part 7.

COUNTERPARTS

9.13 This Agreement may be executed in counterparts or by facsimile, each of
which will together, for all purposes, constitute one and the same instrument,
binding on the parties, and each of which will together be deemed to be an
original, notwithstanding that both parties are not signatories to the same
counterpart or facsimile.

ASSIGNMENT

9.14 Neither party may assign any right, benefit or interest in this Agreement
without the written consent of the other party, such consent not to be
unreasonably withheld, and any purported assignment without such consent will be
void. Notwithstanding the foregoing, upon notice to the other party, either
party may assign this Agreement to a wholly owned subsidiary of that party
without the other party's consent provided that no such assignment will release
the assignor from its obligations under this Agreement.

NO PARTNERSHIP

9.15 Nothing in this Agreement will create, or be deemed to create, a
partnership between the parties.
<PAGE>   27
                                      -27-

Dated as of the day and year first above written.

UCAR CARBON COMPANY INC.                  BALLARD POWER SYSTEMS INC.

By:   /s/ G.E. Playford, CEO              By: /s/ Michael Graydon
      ------------------------------         -------------------------------
      Authorized Signatory                   Authorized Signatory

By:    /s/ Karen G. Narwold, Asst. Sec.   By: /s/
      ------------------------------         -------------------------------
      Authorized Signatory                   Authorized Signatory
<PAGE>   28
                                   SCHEDULE A

                            MATERIALS SPECIFICATIONS

                                   [REDACTED]
<PAGE>   29
                                   SCHEDULE B

                           FIRST YEAR PRODUCT FORECAST

                                   [REDACTED]
<PAGE>   30
                                   SCHEDULE C

                           FIRST YEAR PRODUCTS PRICING

                                   [REDACTED]
<PAGE>   31
                                   SCHEDULE D

                       SUPPLIER EVALUATION SYSTEM CRITERIA

                                   [REDACTED]
<PAGE>   32
                                SUPPLY AGREEMENT

                            MADE AS OF AUGUST 5, 1999

                                     BETWEEN

                            UCAR CARBON COMPANY INC.

                                       AND

                           BALLARD POWER SYSTEMS INC.
<PAGE>   33
                       T A B L E   O F   C O N T E N T S

<TABLE>
<CAPTION>
                                                                              PAGE

<S>                                                                           <C>
PART 1......................................................................    2

  DEFINITIONS...............................................................    2
  INTERPRETATION............................................................    5
  SCHEDULES.................................................................    5

PART 2......................................................................    6

  MATERIALS SALE............................................................    6
  SUPPLIER EVALUATION SYSTEM................................................    6
  MOST FAVOURED CUSTOMER....................................................    6
  FIRST YEAR FORECAST AND PRICING...........................................    6
  FUTURE FORECASTS AND PRICING..............................................    6
  DELIVERY OF MATERIALS.....................................................    7
  LICENSE TO USE OF MATERIALS...............................................    7
  IMPROVEMENTS TO MATERIALS.................................................    7

PART 3......................................................................    8

  SALES/PURCHASE ORDER CONDITIONS...........................................    8
  EFFECT OF PURCHASE ORDER TERMS AND CONDITIONS.............................   15
  REVISED PURCHASE ORDER TERMS AND CONDITIONS...............................   16

PART 4......................................................................   16

  PRICE.....................................................................   16

PART 5......................................................................   16

         [REDACTED]      ...................................................   16
         [REDACTED]      ...................................................   16
  LICENSE RESTRICTIONS......................................................   16
  TECHNOLOGY TRANSFER.......................................................   17
  FURTHER ASSURANCES FOR LICENSED MATERIALS.................................   17
  SURVIVAL OF PART 5 PROVISIONS.............................................   17

PART 6......................................................................   17

  CONFIDENTIALITY OBLIGATIONS...............................................   17
  EXCEPTIONS FOR CONFIDENTIALITY............................................   18
  EMPLOYMENT RELATIONS......................................................   18
  REASONABLE RESTRICTION....................................................   18
  MUTUAL SECRECY AGREEMENT AND COLLABORATION AGREEMENT......................   19
  SURVIVAL OF PART 6 PROVISIONS.............................................   19

PART 7......................................................................   19

  INITIATION OF PROCESS.....................................................   19
  REFERRAL TO CHIEF EXECUTIVE OFFICERS......................................   19
  SUBMISSION TO ARBITRATION.................................................   19
  ACCEPTANCE AND IMPLEMENTATION.............................................   20
  PLACE OF ARBITRATION......................................................   20
  LEGAL PROCEEDINGS.........................................................   20
  EXCLUSIONS................................................................   20

PART 8......................................................................   20

  TERM......................................................................   20
</TABLE>
<PAGE>   34
<TABLE>
<S>                                                                           <C>
  TERMINATION FOR DEFAULT...................................................   20
  NO PREJUDICE..............................................................   21
  NO FURTHER OBLIGATIONS....................................................   21

PART 9......................................................................   21

  MODIFICATIONS, APPROVALS AND CONSENTS.....................................   21
  FURTHER ASSURANCES........................................................   21
  ENTIRE AGREEMENT..........................................................   21
  NOTICES...................................................................   21
  DEEMED RECEIPT............................................................   22
  CHANGE OF ADDRESS.........................................................   22
  ENUREMENT.................................................................   22
  APPLICABLE LAW............................................................   22
  ATTORNMENT................................................................   22
  JUDGMENT CURRENCY.........................................................   23
  FORCE MAJEURE.............................................................   23
  SEVERABILITY..............................................................   23
  COUNTERPARTS..............................................................   24
  ASSIGNMENT................................................................   24
  NO PARTNERSHIP............................................................   24
</TABLE><PAGE>   1
                                                                 EXHIBIT 10.2(d)

                              MANAGEMENT AGREEMENT

     THIS MANAGEMENT AGREEMENT (this "Agreement") is made as of the 12th day of
November, 1999, by and between CC VI Operating Company, LLC, a Delaware limited
liability company (the "Company"), and Charter Communications, Inc., a Delaware
corporation (the "Manager").

A.   The Company desires to retain the Manager to manage and operate the cable
     television systems owned by the Company and its subsidiaries and any cable
     television systems subsequently acquired by the Company and its
     subsidiaries (the "Cable Systems").

B.   The Manager has agreed to manage and operate the Cable Systems, all upon
     the terms and conditions hereinafter set forth.

     In consideration of the mutual covenants and agreements contained herein,
and for other good and valuable consideration, the receipt and sufficiency of
which is hereby acknowledged, the parties hereto hereby agree as follows:

     1. Retention of the Manager. The Company hereby appoints the Manager as a
manager for the Cable Systems, and the Manager hereby agrees to serve the
Company as a manager for the Cable Systems, pursuant to the terms and conditions
hereinafter set forth.

     2. Authority and Duties of the Manager.

          (a) The Company agrees to seek the advice of the Manager regarding the
business, properties and activities of the Cable Systems during the term hereof,
and subject to the direction, control and general supervision of the Company,
the Manager agrees to provide such advice. The Manager shall give such advice in
a businesslike, efficient, lawful and professional manner in accordance with
this Agreement.

          (b) Without limiting the generality of the foregoing, the Manager
shall provide all management services with respect to the operation of the Cable
Systems, including, but not limited to the following:

               (i) advice concerning the hiring, termination, performance and
training of personnel;

               (ii) review, consultation and advice concerning personnel,
operations, engineering and other management and operating policies and
procedures;

<PAGE>   2

               (iii) review, consultation and advice concerning maintenance
standards for plant and equipment of the Cable Systems, advice as to the Cable
Systems' normal repairs, replacements, maintenance and plant upgrades, and
provide for periodic inspections;

               (iv) recommendations on all necessary action to keep the
operation of the Cable Systems in compliance, in all material respects, with the
conditions of the Company's franchises and all applicable rules, regulations and
orders of any federal, state, county or municipal authority having jurisdiction
over the Cable Systems;

               (v) assistance in the negotiation, or directly negotiate, on
behalf of the Company, of operating agreements (including, but not limited to,
pole attachment agreements, office and headend leases, easements and
right-of-way agreements), contracts for the purchase, lease, license or use of
properties, equipment and rights as may be necessary or desirable in connection
with the operation or maintenance of the Cable Systems and such other agreements
on behalf of the Company as are necessary or advisable for the Cable Systems and
assistance in the procuring, or directly procuring, on behalf of the Company,
such programming, billing and other services and equipment deemed necessary and
advisable for the Cable Systems;

               (vi) development of recommendations for, and negotiate the
acquisition and maintenance of, such insurance coverage with respect to the
Cable Systems as the Company may determine upon advice and consultation of the
Manager;

               (vii) guidance on all marketing, sales promotions and advertising
for the Cable Systems;

               (viii) assistance in the financial budgeting process and the
implementation of appropriate accounting, financial, administrative and
managerial controls for the Cable Systems;

               (ix) preparation for use by the Company of financial reports and
maintenance of books of accounts and other records reflecting the results of
operation of each Cable System and/or subsidiary; and

               (x) advice and consultation with the Company in connection with
any and all aspects of the Cable Systems and the day to day operation thereof
and consultation with the Company with respect to the selection of attorneys,
consultants and accountants.

     3. Management Expenses.

          (a) The Manager shall charge to, or be reimbursed by the Company for,
all expenses, costs, losses, liabilities or damages incurred by the Manager
attributable to the ownership or operation of the Cable Systems, including,
where applicable, pro rata allocation for services and purchases made by the
Manager on behalf of the Cable Systems and other companies and cable systems
managed by the Manager, subject to the limitations set forth in

                                       2
<PAGE>   3

Section 6 (the "Company Expenses"). In addition to reimbursement for Company
Expenses, the Manager shall be reimbursed for all other expenses, costs, losses,
liabilities or damages incurred by the Manager in connection with the
performance of its duties hereunder, including, without limitation, the
Manager's costs for overhead, administration and salaries (collectively, the
"Management Fee"), provided that the Management Fee shall not include expenses
incurred by Manager that are in the nature of the "Company Expenses" and are
paid to the Manager by another company or cable system managed by Manager.
Notwithstanding the foregoing, and subject to the payment priority provisions of
the following paragraph, in no event may the Management Fee portion of Company
Expenses be reimbursable in any year in an amount in excess five percent (5.0%)
of the Gross Revenue of the Company, payable monthly in arrears or as otherwise
agreed upon. "Gross Revenue" will include all revenues from the operation of the
Cable Systems including, without limitation, subscriber payments, advertising
revenues and revenues from other services provided by the Cable Systems, but not
including interest income or income from investments unrelated to the Cable
Systems. Management Fees shall only be paid to the Manager by the Company to the
extent permitted by the Credit Agreement (as defined below) and any other
material agreement and applicable charter document of the Company and the
Manager.

          Notwithstanding the foregoing, the Management Fees (but not other
Company Expenses) due and payable as provided in the preceding paragraph of this
Section 3 shall be subordinated and junior in right of payment to the prior
payment in full in cash of all of the Senior Debt (as defined below) and shall
not be paid except to the extent allowed under the Credit Agreement (as defined
below). In the event of any bankruptcy or similar proceeding relative to the
Company (a "Reorganization"), then all of the Senior Debt shall first be paid in
full in cash before any payment of the Management Fees is made, and in any
Reorganization any amount payable in respect of the Management Fees shall be
paid directly to the Funding Agent referred to below, unless all the Senior Debt
has been paid in full in cash. The Manager hereby irrevocably authorizes the
Funding Agent, as attorney-in-fact for the Manager, to vote, file or prove any
claim or proof of claim in any Reorganization in respect of the Management Fees
and to demand, sue for, collect and receive any such payment. The Manager shall
take any actions requested by the Funding Agent in order to accomplish any of
the foregoing. If the Manager receives any payment hereunder in violation of the
terms hereof or in connection with any Reorganization (prior to the payment in
full in cash of the Senior Debt), the Manager shall hold such payment in trust
for the benefit of the holders of the Senior Debt and forthwith pay it over to
the Funding Agent. Amounts payable to the Manager in accordance with this
Section 3 which remain unpaid by reason of the foregoing shall be accrued as a
liability of the Company and shall be payable as soon as the conditions to
payment are fulfilled. The deferred portion of the Management Fees will bear
interest at the rate of ten percent (10%) per annum, compounded annually, from
the date otherwise due and payable until the payment thereof.

          As used herein, (i) "Credit Agreement" means the Credit Agreement,
dated as of November 12, 1999, among CC VI Operating Company, LLC, certain of
its affiliates, the Lenders parties thereto, Toronto Dominion (Texas), Inc., as
Administrative Agent (the "Funding Agent"), and various Syndication and other
Agents named therein, as amended, restated, supplemented or otherwise modified
from time to time, and (ii) "Senior Debt" means the

                                       3
<PAGE>   4

principal amount of all loans and guarantee obligations from time to time
outstanding or owing under the Credit Agreement and the other loan documents
executed and delivered by the Company pursuant thereto, together with interest
thereon (including any interest subsequent to any filing for Reorganization,
whether or not such interest would constitute an allowed claim, calculated at
the rate set forth for overdue loans in the Credit Agreement) and all other
obligations of the Company under the Credit Agreement and such other loan
documents.

          (b) Notwithstanding any termination of this Agreement pursuant to
Section 4, the Manager shall, subject to the limitations set forth in the
preceding paragraphs above, remain entitled (i) to receive the Management Fees
set forth in Section 3(a) incurred prior to the date of termination which have
not been paid to the Company; and (ii) to receive payment of the deferred
Management Fees at the time of such termination if, and to the extent that,
payment thereof is otherwise permitted under Section 3(a).

     4. Effective Date. This Agreement shall become effective only upon the
closing (the "Effective Date") of the initial public offering of the Manager as
contemplated by its Registration Statement on Form S-1 filed with the Securities
and Exchange Commission.

     5. Term of Agreement. The term of this Agreement shall be ten years
commencing on the Effective Date, unless sooner terminated pursuant to the terms
of this Agreement. This Agreement may be terminated as follows: (a) by the
Company immediately upon written notice to the manager for Cause (as defined
below) or (b) automatically on the consummation of the sale of all or
substantially all of the Company's assets. For purposes hereof, "Cause" shall
exist if the Manager has engaged in gross negligence or willful misconduct in
the performance of its duties hereunder which could have a material adverse
effect on the Company.

     6. Liability. The Company shall bear any and all expenses, liabilities,
losses or damages resulting from the operation of the Cable Systems, and the
Manager, its partners, officers, directors and employees shall not, under any
circumstances, be held liable therefor, except that the Manager shall be liable
for any loss or damage which results from its own gross negligence or willful
misconduct. Neither the Manager nor any of its partners, members, officers,
directors and employees shall be held to have incurred any liability to the
Company, the Cable Systems or any third party by virtue of any action not
constituting gross negligence or willful misconduct taken in good faith by it in
discharge of its duties hereunder, and the Company agrees to indemnify the
manager and its shareholders, partners, directors, officers and employees and
hold the Manager and its partners, directors, officers and employees harmless
with respect of the foregoing, including, but not limited to, reasonable
attorneys' fees.

     7. Notices. All notices, demands, requests or other communications which
may be or are required to be given, served or sent by a party pursuant to this
Agreement shall be in writing and shall be deemed given upon receipt if
personally delivered (including by messenger or recognized delivery or courier
service) or on the date of receipt on the return receipt if mailed by registered
or certified mail, return receipt requested, postage prepaid, delivered or
addressed

                                       4
<PAGE>   5

as set forth below. Rejection or other refusal to accept or the inability to
deliver because of changed address of which no notice was given shall be deemed
receipt of the notice:

                  (a)      If to the Company:

                           CC VI Operating Company, LLC
                           12444 Powerscourt Drive, Suite 400
                           St. Louis, Missouri  63131
                           Attention:  Jerald L. Kent

                  (b)      If to the Manager:

                           Charter Communications, Inc.
                           12444 Powerscourt Drive, Suite 400
                           St. Louis, Missouri  63131
                           Attention:  Jerald L. Kent

     8. Governing Law. This Agreement and the rights and obligations of the
parties hereunder and the persons subject hereto shall be governed by, and
construed and interpreted in accordance with, the laws of the State of New York,
without giving effect to the choice of law principles thereof.

     9. Miscellaneous. This Agreement shall be binding upon and inure to the
benefit of and be enforceable by and against the parties hereto and their
respective successors and assigns. This Agreement embodies the entire agreement
and understanding among the parties hereto with respect to the subject matter
hereof and supersedes all prior agreements and understandings relating to the
subject matter hereof. The headings in this Agreement are for purposes of
reference only and shall not limit or otherwise affect the meaning hereof. This
Agreement may be executed in any number of counterparts, each of which shall be
an original, but all of which together shall constitute one instrument. This
Agreement is not transferable or assignable by any of the parties hereto except
as may be expressly provided herein. This Agreement may not be amended,
supplemented or otherwise modified except in accordance with the Credit
Agreement.

                                       5
<PAGE>   6

     IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
executed as of the day and year first above written and effective as of the
Effective Date.

                      CC VI OPERATING COMPANY, LLC
                      a Delaware limited liability company

                              /s/ Marcy Lifton
                      By:______________________________________________
                              Name:
                              Title:

                      CHARTER COMMUNICATIONS, INC.,
                      a Delaware corporation

                              /s/ Curtis S. Shaw
                      By:______________________________________________
                              Name:
                              Title:

                                       6

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