CONTRAN CORP
SC 13D/A, EX-1, 2000-07-18
PERSONAL CREDIT INSTITUTIONS
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                                 LOAN AGREEMENT

This loan agreement (this  "Agreement") is dated as of September 3, 1998, and is
among Contran  Corporation,  a Delaware corporation  ("Contran"),  National City
Lines,  Inc. ("NCL"),  a Delaware  corporation,  U.S. Bank National  Association
("U.S. Bank"), and the Bank Group (as defined below).

                                    Recitals

         A. Contran, NCL, the Agent, and the Bank Group desire to enter into the
Loan  Documents  under which the members of the Bank Group will  severally  make
Advances to Contran aggregating no more than the Maximum Availability at any one
time.

         B. The  members  of the Bank  Group  are  prepared  to  severally  make
Advances  and extend  credit to  Contran  aggregating  no more than the  Maximum
Availability  at any one  time  under  the  terms  and  conditions  of the  Loan
Documents.

                  NOW, THEREFORE, for value, it is agreed that:

I.       DEFINITIONS; CONSTRUCTION MATTERS.

A.   Definitions. As used in the Loan Documents:

         "Advance" means advances or extensions of credit made by the members of
                  the Bank Group to  Contran  under the Loan  Documents  for the
                  benefit of one or more  members of the Contran  Companies  and
                  the  issuance of letters of credit  under the Letter of Credit
                  Subfacility;

         "Agent"  means U.S. Bank or any  successor or assignee  when acting as
                  the  administrative  agent for the Bank Group under the
                  Loan Documents;

         "Allowed  Uses"  means the  general  corporate  purposes of the Contran
                  Companies including the purchase of margin stock;

         "Available" or "Availability"  means the difference between the Maximum
                  Availability  and the  outstanding  balance of the Advances at
                  the time that Availability is being determined;

         "Average Availability"   means  the  difference   between  the  Maximum
                  Availability and the average outstanding  principal balance of
                  the Advances during a Quarter;

         "Bank Group" means U.S. Bank and any banks hereafter added to this
                  Agreement by modification agreement;

         "Bank    Group Majority" initially means U.S. Bank. If other banks join
                  the Bank Group following the date hereof, the term "Bank Group
                  Majority"  shall mean  members  of the Bank  Group  holding at
                  least 51 percent of the total  amount of  Advances  hereunder,
                  but in any event not less than two banks;

         "Banking Day"  means a day when all  members of the Bank Group are open
                  to  the  public  at  their  main   offices  for   carrying  on
                  substantially  all of their banking  activities  (except for a
                  Saturday, Sunday, or a bank holiday and, with respect to LIBOR
                  Advances,  a day upon which  banks  transact  business  on the
                  London interbank market for Eurodollars;

         "Commitment Fee" means a fee, which is payable  quarterly in arrears as
                  of the last Banking Day of each  Quarter,  equal to 37.5 basis
                  points  per  annum  (365/366  day  year)   multiplied  by  the
                  difference  between the Maximum  Availability  and the average
                  outstanding  principal  balance of the advances and extensions
                  of credit  (excluding  standby  letters of credit)  during the
                  Quarter, on a prorated basis;

         "Contran Companies" means Contran and NCL and "Contran Company" means
                  any one of the Contran Companies;

         "Credit  Line"  means the  revolving  lines of credit  being  severally
                  extended  by the  members  of the  Bank  Group  to and for the
                  benefit  of  the  Contran   Companies   under  the  terms  and
                  conditions of the Loan Documents;

         "Default Rate" means the rate of interest that is otherwise  applicable
                  plus an additional 2% per annum;

         "Event   of Default" means those events,  occurrences, or other matters
                  identified  in Section  VI of this  Agreement,  that,  if they
                  occur or exist,  cause  Contran  to be in  default  under this
                  Agreement;

         "Eurodollars"  means U.S.  dollars to be  deposited in a bank or other
                  financial  institution  located  outside of the United
                  States;

         "Expiry  Date" means the date which is 364 days  following  the date of
                  this  Agreement,  and any anniversary of such date as extended
                  by mutual  agreement  of the  Contran  Companies  and the Bank
                  Group;

         "Guaranty"  means  the  unconditional  payment  guaranty  in  the  form
                  satisfactory  to the Bank Group to be issued to each member of
                  the Bank Group by NCL contemporaneously  with the execution of
                  this Agreement;

         "Hazardous Material" or "Hazmat" means any waste,  substance,  mixture,
                  pollutant  or  contaminant  defined  as  hazardous,  toxic  or
                  radioactive under any federal, state, or local statutory laws,
                  regulations,  or  orders  and  includes,  whether  or  not  so
                  defined,  petroleum and natural gas products,  polychlorinated
                  biphenyls and asbestos-containing materials;

         "Interest Period" means as of the end of each calendar  month for Prime
                  Rate Advances and a period of 1 month, 2 months, 3 months or 6
                  months as selected by Contran for each LIBOR Advance,  and, if
                  any Interest  Period would otherwise end on a day which is not
                  a  Banking  Day,  such  Interest  Period  will end on the next
                  succeeding  Banking  Day  unless  such  day  falls in the next
                  calendar month in which case that Interest  Period will end on
                  the last  Banking Day in the  immediately  preceding  calendar
                  month;

         "Letter  of Credit  Fee"  means a fee,  which is payable  quarterly  in
                  arrears as of the 10th Banking Day of each  Quarter,  equal to
                  1.75%  per  annum  (360 day year)  multiplied  by the  undrawn
                  amount of  outstanding  letters of credit during the preceding
                  Quarter, on a prorated basis.

         "Letter  of Credit  Subfacility"  means the  facility  under which U.S.
                  Bank will issue one or more standby letters of credit to third
                  parties  aggregating no more than  $15,000,000 at any one time
                  when  Contran  requests  a letter  of credit  by  executing  a
                  written  application  and  reimbursement   agreement  in  form
                  satisfactory  to U.S.  Bank.  All  letters  of credit  will be
                  subject  to U.S.  Bank's  standard  terms and  conditions  for
                  letters of credit.

         "LIBOR"  means  the  London  interbank  offered  rate of  interest,  as
                  determined  and  quoted  by  the  Agent,   for  a  deposit  of
                  Eurodollars in the amount of the Advance requested by Contran,
                  rounded up to the nearest  1/16th of 1% and  adjusted  for any
                  reserves, FDIC insurance premiums or other charges which would
                  be  payable  by any  member  of the Bank  Group in  connection
                  therewith;

         "LIBOR Advance" means an Advance to which the LIBOR applies;

         "LTV"    means the percentage  resulting from dividing the  outstanding
                  principal balance of the Advances on the date the LTV is being
                  determined by the value of the Pledged  Shares (as  determined
                  by  multiplying  the  number  of  Pledged  Shares   (initially
                  6,000,000) by the published closing price for the stock on the
                  preceding trading day, as published in the Wall Street Journal
                  or, if the prices are not published,  as reasonably determined
                  by the Agent);

         "Loan    Documents"  means this Agreement,  the Guaranties,  the Notes,
                  and the  Security  Documents,  as  originally  executed and as
                  hereafter extended and/or modified;

         "Maximum Availability"   means  $25,000,000  until  changed  by  mutual
                  agreement or reduced by Contran as provided in this Agreement;

         "NCL" means National City Lines, Inc., a Delaware corporation;

         "Note" means the note to be issued by Contran to the Bank Group in a
                  form acceptable to the Bank Group;

         "Notice  of  Borrowing"  means the notice of  intention to borrow to be
                  given by  Contran  to the  Agent in a form  acceptable  to the
                  Agent;

         "Obligations" means the debts and obligations of the Contran  Companies
                  to the Bank  Group  and the Agent  under  the Loan  Documents,
                  including repayment of the Advances;

         "Per     annum" means, when referring to interest, the actual number of
                  days elapsed in an Interest  Period over a denominator  of 360
                  days;

         "Percentage Interest"  means the percentage  interest of each member of
                  the Bank Group  determined  by dividing its  commitment by the
                  Maximum Availability;

         "Pledged Securities"  means  initially the  6,000,000  shares of common
                  stock  that  have  been  issued  by Valhi  and any  investment
                  securities  that are pledged to the Bank Group  under  Section
                  II.B.10 of this Agreement to secure payment and performance of
                  the Obligations;

         "Prime   Rate"  means the rate of  interest  publicly-announced  by the
                  Agent  from time to time as its  prime  rate of  interest  for
                  Advances to commercial customers;

         "Prime Rate Advance" means an Advance to which the Prime Rate is
                  applicable;

         "Prospective  Default"  means an Event of Default but for the giving of
                  any required  notice,  the passage of any applicable  grace or
                  notice period, or both;

         "Quarter" means a calendar quarter;

         "Security Document"  means  the  securities   pledge  agreement  to  be
                  executed by the Contran  Companies in a form acceptable to the
                  Agent and the related stock powers and compliance  forms,  and
                  any  security  agreement  and  financing  statements  that any
                  Contran Company  hereafter  executes to secure  performance of
                  the Obligations; and

         "Valhi" means Valhi, Inc., a Delaware corporation.

B.   Additional References.

     1.   Accounting Terms.  Accounting terms which are not specifically defined
          in the Loan Documents will be defined or interpreted and all reporting
          practices will be performed,  in accordance  with  generally  accepted
          accounting  principles  ("GAAP")  unless  the Bank Group has given its
          prior   written   consent  to  a  different   accounting   definition,
          interpretation or practice. Without thereby limiting the generality of
          the foregoing,  all financial  statements and  calculations  which are
          based on financial  condition or results of  operations as of specific
          dates or for specific  periods  (including  compliance  with financial
          covenants) will be calculated on a consolidated basis unless otherwise
          specified.  Whenever any Loan Document  calls for a payment to be made
          or an  event to occur  annually  or  quarterly,  the  reference  is to
          Contran's  fiscal  year  and  fiscal  quarter.   The  term  "financial
          statements"  means  balance  sheets and  statements of income and cash
          flows prepared in reasonable  detail,  on a comparative  basis, and in
          accordance with GAAP for the interim  (quarterly)  accounting  periods
          and balance sheets and statements of income,  cash flows,  and equity,
          and related footnotes, for the annual accounting periods.

     2.   Legal Terms.  The  definitions  and  substantive  terms of the Uniform
          Commercial  Code,  the  Uniform  Fraudulent   Transfer  Act,  and  the
          Bankruptcy Code will be used as additional aids to construction of the
          Loan Documents  before resort to any other source.  The word "execute"
          means to  subscribe  and  deliver  a  document.  The term  "investment
          security"   means  the   obligation   of  an   issuer,   or  a  share,
          participation,  or other  interest  in an issuer or in  property or an
          enterprise of an issuer, and any related  certificate and entitlement,
          including  a  warrant,  dividend,  or other  distribution  in  respect
          thereof.

     3.   Date/Time. Whenever a date or time is specified in the Loan Documents,
          it means such date or time in Portland, Oregon.

     4.   Schedules/Exhibits.  The  schedules  and  exhibits,  if any,  that are
          attached to this  Agreement  incorporated  into this Agreement by this
          reference.

     5.   Gender;  Number.  The Loan Documents are intended to be gender neutral
          and the neuter pronoun can refer not only to an organization  but also
          to an individual.  Use of the singular can include the plural and vice
          versa. Where the singular refers to several persons,  the liability of
          such persons is joint and several.

     6.   Conflicts. The terms and conditions of the Loan Documents are intended
          to complement and supplement  each other and are to be construed so as
          to be consistent  and  complimentary.  In the event that a conflict of
          terms cannot be reconciled, the terms and conditions of this Agreement
          will govern over any conflicting terms or conditions in any other Loan
          Document.

     7.   Captions.  Captions  and  headings  are  merely  for  convenience  and
          substantively are not a part of the Loan Documents.

     8.   Governing Law. Construction,  performance, and enforcement of the Loan
          Documents  will  be  governed  by the  substantive  provisions  (i.e.,
          without  regard to the rules for  conflict of laws) of Oregon law, but
          if the Bank Group has greater  rights or remedies  under  federal law,
          then such rights and remedies under federal law also will be available
          to the Bank.

     9.   Complete  Agreement.  The Loan Documents are the complete,  final, and
          exclusive  agreement of the parties.  No term or condition can or will
          be  explained,  supplemented,  waived,  or modified by conduct or oral
          agreement either before, at, or after signing and delivery of the Loan
          Documents.

II.  THE LINE OF CREDIT.

A.   Advances.

     1.   Commitment.  Upon  satisfaction  of the  conditions  precedent  by the
          Contran
          Companies or waiver thereof by the Bank Group, each member of the Bank
          Group severally  promises and agrees (commits) to make Advances and/or
          extend  credit  (all  such  Advances  and/or  extensions  of credit at
          substantially  the  same  time  being  an  "Advance")  to the  Contran
          Companies for the Allowed Uses until the Expiry Date as long as at the
          time of such  Advance (a) No Event of Default or  Prospective  Default
          exists under the Loan Documents, (b) the aggregate principal amount of
          all outstanding Advances and the requested Advance does not exceed the
          Maximum  Availability,  and (c) the LTV after  such  Advance  will not
          exceed 40%.

     2.   Revolving  Nature.  The commitments of the Bank Group are revolving in
          nature so the Contran  Companies  may borrow and repay at any time and
          from time to time  without  penalty or premium  (except  for  breakage
          charges  collectible in connection with full or partial  prepayment of
          LIBOR  Advances)  subject  to the  terms  and  conditions  of the Loan
          Documents.  LIBOR  Advances  mature and must be repaid or renewed at a
          new  LIBOR  or at the  Prime  Rate at the end of the  Interest  Period
          applicable  thereto.  Prime Rate Advances mature and must be repaid on
          the Expiry Date.

     3.   Notice of Borrowing.  In order to borrow  (obtain a LIBOR Advance or a
          Prime Rate  Advance),  convert a Prime Rate Advance to a LIBOR Advance
          or vice  versa,  or replace a LIBOR  Advance  with  another  new LIBOR
          Advance at the end of an Interest Period, Contran must submit a Notice
          of Borrowing to the Agent through an authorized representative (a) not
          later than 10 a.m. on the date of any requested Prime Rate Advance and
          (b)  not  later  than 9 a.m.  on the  third  Banking  Day  before  the
          effective  date of a LIBOR  Advance,  unless the Advance is  requested
          orally and the Agent  grants  the  request,  in which case  either the
          Advance will be repaid or a Notice of  Borrowing  will be submitted to
          the  Agent in  writing  within  48 hours  following  the oral  request
          (including any breakage charge related thereto).

          The Notice of  Borrowing  will specify the date when the Advance is to
          be funded,  converted,  or renewed, the amount thereof, the applicable
          interest  rate  and,  if the  LIBOR has been  selected,  the  Interest
          Period.  Each Notice of Borrowing and oral request will be irrevocable
          and the Agent and the Bank Group will be entitled to procure  funds in
          reliance  on such  Notice of  Borrowing  and oral  request;  provided,
          however, that Contran may withdraw any Notice of Borrowing at any time
          prior to the  funding  of such  Advance  as long as  Contran  pays all
          reasonable  direct costs and  expenses  (including  breakage  charges)
          incurred by any member(s) of the Bank Group in reliance on such Notice
          of Borrowing.  No LIBOR  Interest  Period may be selected that extends
          beyond the Expiry  Date.  The Prime  Rate will be  applicable  to each
          Advance unless Contran has properly selected the LIBOR.

     4.   Disbursement  of Proceeds.  All Advances  will be funded by wiring the
          proceeds thereof into Contran's general corporate checking account.

     5.   Interest Rates.  The rates of interest  payable by Contran will be (a)
          the Prime Rate on each  Prime  Rate  Advance  and (b) if  selected  by
          Contran, the LIBOR plus a margin of 1.75% (175 basis points) per annum
          on  each  LIBOR  Advance  in the  minimum  amount  of  $1,000,000  and
          increments of $500,000 in excess of the minimum amount.

     6.   Principal Repayment.  Contran will repay the Advances on or before the
          Expiry Date.

B.   General Matters.

     1.   Medium.  All Advances  will be made by, and all payments  will be made
          to, the Bank Group in immediately available U.S. dollars.

     2.   Interest  Payments.  Interest on Prime Rate Advances is due monthly in
          arrears.  Interest  on LIBOR  Advances is due in arrears at the end of
          the Interest  Period and, in the event of any 6-month  LIBOR  Interest
          Period, at the end of the first 90 days of the Interest Period.

     3.   Payments.  Any payment received by the Agent after noon will be deemed
          to have been made on the next following  Banking Day and interest will
          accrue to that day. In the event that the date  specified  for payment
          is not a Banking  Day,  then  interest  will accrue to and the payment
          will be made on the next  following  Banking Day;  provided,  however,
          that if the next Banking Day following  the end of an Interest  Period
          for a LIBOR Advance is in the following  calendar month,  then payment
          or renewal of the LIBOR  Advance  will be due on the last  Banking Day
          which precedes the end of that Interest  Period.  All payments will be
          applied,  to the extent  amounts  are due,  first to costs  (including
          breakage charges), then to fees, then to accrued interest, and finally
          to principal.

     4.   Breakage  Charge.  Contran may prepay a LIBOR  Advance only upon three
          days' advance  written notice and upon payment of the breakage  charge
          specified in the Note.

     5.   Terminating  LIBOR. The Bank Group is offering the LIBOR to Contran on
          the  assumption  that there will  continue  to be an active  interbank
          market  in  Eurodollars.  If that  market  ceases  to  exist  or if it
          otherwise  becomes  illegal or impractical  for any member of the Bank
          Group to fund an Advance with reference to this source of funds,  then
          the  Bank  Group  member(s)  so  affected  will  give  notice  of such
          illegality or impracticality to Contran and any future loan from those
          members of the Bank Group will be at the Prime Rate.

     6.   Increased  Costs.  If any  member  of the Bank  Group is  required  to
          increase its reserves, insurance premiums, or regulatory capital or to
          pay  additional  taxes  (other  than  income  taxes)  in order to make
          Advances to Contran because of the future enactment,  promulgation, or
          amendment of any  statute,  regulation,  or order by a  government  or
          governmental  subdivision or agency,  then Contran will reimburse such
          member(s) of the Bank Group on demand for all such increased  costs as
          estimated in writing with reasonable particularity by such member.

     7.   Notes;  Promise of Repayment.  Contran  promises and agrees to issue a
          note to each  member of the Bank Group in the amount of such  member's
          commitment and to repay all Advances,  plus interest,  fees, costs and
          expenses,  to the order of each member of the Bank Group in accordance
          with such member's Percentage Interest.

     8.   Guaranty;  Promise of Repayment.  NCL promises and agrees to issue the
          Guaranty to each member of the Bank Group and to repay each Bank Group
          member's  Percentage  Interest of all Advances,  plus interest,  fees,
          costs and  expenses,  to such member's  order in  accordance  with the
          terms hereof and of the note.

     9.   Nature of  Liability.  Contran  and NCL are  jointly,  severally,  and
          primarily liable for performance of the Obligations.

     10.  Maintenance of Loan-to-Value Ratio:  Mandatory Prepayment or Pledge of
          Additional Pledged Securities. If the outstanding principal balance of
          the  Advances  at any time  results  in an LTV of more than  40%,  the
          Contran  Companies  immediately  will either (a) make a prepayment  of
          principal  so as to reduce  the LTV to 40% or less  and/or  (b) pledge
          additional  investment  securities in quality and quantity  reasonably
          acceptable  to the Bank  Group so as to reduce the LTV to 40% or less.
          For the purposes of this paragraph,  the Bank Group  acknowledges  and
          agrees that the Contran  Companies always may pledge additional shares
          of Valhi common stock owned by a Contran  Company in order to meet the
          LTV  requirement.  Prepayments  required  under this  section  will be
          applied  first to Prime Rate  Advances,  because such  Advances may be
          prepaid  without  payment of the  breakage  charge,  and then to LIBOR
          Advances in an order which  first pays the LIBOR  Advance(s)  with the
          shortest remaining time until maturity, then the next shortest period,
          etc. If additional  investment securities are pledged and the value of
          the pledged  securities  later  increases,  the Agent  will,  upon the
          written  request  of the  Contran  Companies,  return  to the  Contran
          Companies any of the  additional  pledged  securities  (including  the
          Valhi  shares  pledged  initially)  which  are not then  necessary  to
          maintain the LTV at 40% or less.

     11.  Waiver;   Forbearance.   Each  Contran   Company  waives   acceptance,
          presentment  (including  notice of dishonor) and all claims,  offsets,
          defenses,  and  counterclaims  based on  suretyship  or  impairment of
          collateral.  Without  limiting the  foregoing,  each  Contran  Company
          consents  to  extension  of due  dates,  material  modifications,  and
          impairment  of  contribution  rights  and the  value of  interests  in
          collateral without prior notice or demand.

C.   Letters of Credit.

     1.   Commitment. Upon the written application of Contran and such terms and
          conditions as U.S. Bank may reasonably require,  U.S. Bank will issue,
          until 30 days prior to the Expiry Date,  standby  letters of credit to
          beneficiaries  designated  by Contran  for terms that  expire no later
          than the  Expiry  Date.  Contran  will pay all  Letter of Credit  Fees
          associated   with   issuance   of  the   letters  of  credit  and  the
          administrative  charges  normally  charged by U.S.  Bank in connection
          with such letters of credit and drawings thereon.

     2.   Participation.  Each  member of the Bank  Group will  participate,  in
          accordance  with its  Percentage  Interest,  in U.S.  Bank's risks and
          obligations under such letters of credit and in Contran's  obligations
          for immediate  reimbursement of the amount of any drawings made by the
          beneficiaries  (which includes  successors and transferees)  under any
          letter of credit.  This  participation will be as a primary obligor to
          U.S. Bank and not as a surety for Contran.  Each of the members of the
          Bank Group will pay to U.S. Bank such lender's  Percentage Interest of
          any drawing made under any letter of credit within 24 hours of receipt
          of notice from U.S.  Bank of such drawing  regardless of the existence
          of an Event of Default or Prospective Default, or any offset, defense,
          or counterclaim of Contran.

     3.   Reduction in  Availability.  Upon issuance of a letter of credit under
          this  subfacility,  the amount of  Availability  will be reduced in an
          equivalent  amount, but no interest or fees (except U.S. Bank's normal
          issuance  and usage fees and  charges  and the letter of credit  fees)
          will be payable on such amount  until a drawing is made on such letter
          of credit.

     4.   Reimbursement.  Contran  promises and agrees to immediately  reimburse
          U.S. Bank for the amount of any drawing made by any beneficiary  under
          any  letter  of  credit  issued  by U.S.  Bank  upon  the  application
          hereunder of Contran without offset,  defense, or counterclaim against
          U.S. Bank other than payment  resulting from gross  negligence of U.S.
          Bank  and  without  regard  to  any  claims,  offsets,   defenses,  or
          counterclaims  that  Contran  has or may  claim  to have  against  its
          liability  to  the  beneficiary  of  such  letter  of  credit.  If not
          reimbursed  on the  same  Banking  Day  and  if  Contran  is not  then
          insolvent or the subject of any insolvency  proceeding,  the amount so
          paid by U.S.  Bank will be deemed to be an  Advance  under the  Credit
          Line in that  amount to  Contran  as of the date when the draw is paid
          and will bear  interest at the Prime Rate until repaid or renewed as a
          LIBOR loan.

III.     CONDITIONS PRECEDENT.

A.   Conditions to First Borrowing. The following are conditions precedent which
     must be  satisfied  by the  Contran  Companies  or waived by the Bank Group
     Majority prior to the first Advance:

     1.   Loan Documents. Contran has duly executed (signed,  acknowledged where
          appropriate, and delivered) the Loan Documents;

     2.   Guaranties.  NCL has executed  the Guaranty and the Contran  Companies
          have executed the Security Documents;

     3.   Corporate Documents. Each Contran Company has delivered certified true
          copies of currently  effective (a) articles of incorporation,  bylaws,
          and similar governance documents (its "organization  documents"),  (b)
          resolutions  of its board of directors  authorizing it to execute each
          of the Loan  Documents  to which such  organization  is a party and to
          perform the Obligations, and specifying the representative(s) who will
          execute the Loan  Documents on its behalf (and,  for Contran,  who may
          request Advances) (its "borrowing resolutions"), and (c) an incumbency
          certificate  executed by its corporate  secretary  containing specimen
          signatures of the  representatives who will execute the Loan Documents
          and,  in the  case  of  Contran,  request  Advances  (its  "incumbency
          certificate");

     4.   Representations  and Warranties.  The  representations  and warranties
          made by the Contran Companies in the Loan Documents are true, complete
          and  correct in all  material  respects  as of the date upon which the
          Loan  Documents are executed and the date upon which the first loan is
          requested and a duly authorized representative of each Contran Company
          has executed a  certificate  dated as of the date of the first Advance
          certifying   the   continued   accuracy   and   completeness   of  the
          representations and warranties;

     5.   Legal Opinion.  Contran's  general  counsel has rendered an opinion to
          the Bank Group  opining that as of the date of the Loan  Documents (a)
          each Contran Company is a validly existing Delaware  corporation,  (b)
          each Contran  Company has been duly  authorized to execute each of the
          Loan  Documents to which such  organization  is a party and to perform
          the  Obligations,  (c) each of the Loan Documents is the legally valid
          and binding  obligation of each Contran Company who is a party thereto
          and is enforceable in accordance  with its terms except as enforcement
          may be limited by  insolvency  or other  similar  laws  affecting  the
          rights and  remedies of creditors  generally,  general  principles  of
          equity,  whether  applied  by a  court  of law or  equity,  and  other
          generally  applicable rules of law, and (d) the Security Documents are
          a form  sufficient  to create a lien on or  security  interest  in all
          right,  title,  and  interest of the Contran  Companies in the Pledged
          Securities;

     6.   Perfection.   The  Contran  Companies  have  delivered  to  the  Agent
          possession of the certificates  evidencing the investments  securities
          which are part of the Pledged  Securities  with stock powers signed in
          blank and related compliance  certificates and the Agent has perfected
          its security interest of the Bank Group in any other types or items of
          the collateral;

     7.   Legal  Matters.  All matters  pertaining to the Loan Documents and the
          Advances are  reasonably  satisfactory  to the Agent and the Agent has
          received all  certificates,  insurance  policies and documents that it
          reasonably  requires  to  establish  compliance  with  the  terms  and
          conditions of the Loan Documents.

B.   Subsequent  Advances.  The following are conditions precedent which must be
     satisfied  by  Contran  or waived by the Bank  Group  prior to any  Advance
     subsequent to the first Advance:

     1.   No default.  No Event of Default or Prospective  Default exists on the
          date of such Advance after giving effect to such Advance;

     2.   Representations  and Warranties.  The  representations  and warranties
          made by the Contran  Companies  in the Loan  Documents  continue to be
          true, complete and correct in all material respects; and

     3.   LTV Compliance.  After giving effect to the requested Advance, the LTV
          will be 40% or less.

IV.      REPRESENTATIONS AND WARRANTIES.

A.   Representations  and  Warranties.   Each  Contran  Company  represents  and
     warrants to the Bank Group that:

     1.   Corporate Organization. Each Contran Company is a Delaware corporation
          which is duly organized and is duly qualified to transact  business in
          all other  states and  countries  where the failure to be so qualified
          would have a material  adverse  impact on its business  operations  or
          ownership of property;

     2.   Authorization.  Each  Contran  Company  has been  duly  authorized  to
          execute  each of the Loan  Documents to which such  organization  is a
          party and to perform the Obligations;

     3.   Due  Execution  and  Delivery.   Each  Loan  Document  to  which  such
          organization is a party has been duly executed by a representative  of
          such organization who has been duly authorized to perform such acts;

     4.   Legally Binding Documents. Each Loan Document is the legally valid and
          binding  obligation  of each  Contran  Company  who is a party to such
          document and is enforceable  against such  organization  in accordance
          with its terms except as such enforcement may be limited by insolvency
          or other  similar laws  affecting the rights and remedies of creditors
          generally,  general principles of equity whether applied by a court of
          law or equity, and generally applicable rules of law;

     5.   Accurate  Financial  Statements.  The  annual  and  interim  financial
          statements  of the  Contran  Companies  furnished  to the  Bank  Group
          present fairly the financial  position of such Contran Companies as of
          the  date  of  such  financial  statements  and  the  results  of  the
          operations  and  changes  in  financial  position  for the  annual and
          interim periods then ending /1/;

     6.   No  Violations.  Neither the  execution of the Loan  Documents nor the
          performance of the Obligations by the Contran  Companies is prohibited
          by or will subject any Contran Company to any fine, penalty or similar
          sanction under, any statute,  regulation,  or order applicable to such
          organization;

     7.   No  Proceedings.  There  are no  civil,  criminal,  or  administrative
          proceedings  now pending or overtly  threatened in writing against any
          Contran Company which has not been disclosed in the audited  financial
          statements  which  have been  provided  to the Bank or  separately  in
          writing  and which,  if  adversely  determined,  would have a material
          adverse  effect on the ability of the Contran  Companies  to repay the
          Advances and perform their other  obligations  to the Bank Group under
          the Loan Documents;

     8.   No Breach or Default.  No Contran  Company is now, or by reason of the
          execution of the Loan Documents or performance of the Obligations will
          be, in breach of or in default  under any  "employee  pension  benefit
          plans" or  "employee  benefit  plans" (as those  terms are  defined by
          Section 3 of the Employee  Retirement  Income Security Act of 1974, as
          amended)  to which  such  organization  is a party or  sponsor  in any
          material  respect  or  any  other  material   agreement,   instrument,
          undertaking,  or other contract to which such  organization is a party
          or by which its property is bound if such breach or default would have
          a material  adverse effect on the ability of the Contran  Companies to
          repay the Advances  and perform  their  Obligations  to the Bank Group
          under the Loan Documents;
--------
/1/ The financial  statements for NCL may omit footnote  disclosures that
  would normally be required under GAAP.

     9.   Tax Returns;  Taxes.  Each Contran  Company has filed all material tax
          returns  that it is required by any statute,  regulation,  or order to
          file and has paid when due all  material  taxes  imposed  on it or its
          property;

     10.  Compliance  with Law.  Each Contran  Company is in  compliance  in all
          material  respects with all statutory  laws,  regulations,  and orders
          that  are  applicable  to  such   organizations   and  their  property
          specifically including, but not limited to, environmental laws;

     11.  Hazardous  Material.  To the best  knowledge  of Contran,  there is no
          hazardous material being released,  and no hazardous material has been
          released,  from or at any  real  property  owned  or  operated  by any
          Contran Company in quantities which would trigger such  organization's
          obligation under applicable environmental laws to report the existence
          of such waste or to remove and  dispose of such waste or to  remediate
          the effects of a prior  discharge  thereof  except as disclosed to the
          Bank in writing before the date of the Loan Documents;

     12.  Solvency.  No  Contran  Company  is  insolvent  or the  subject of any
          insolvency  proceedings  and each Contran Company has capital which is
          reasonably  adequate to conduct its business in the manner in which it
          intends to conduct such business;

     13.  Investment Company Act. No Contran Company is an "investment  company"
          as that term is defined by Section 3(a) of the Investment  Company Act
          of 1940;

     14.  No Material Adverse Change.  There has been no material adverse change
          in the business operations,  financial position,  or cash flows of the
          Contran  Companies  since  the  date of the  latest  annual  financial
          statement  provided  to  the  Bank  Group  before  the  date  of  this
          Agreement;

     15.  Ownership of Pledged Securities. Each Contran Company owns the item or
          items of Pledged Securities that such organization purports to own and
          such property is free and clear of all liens, security interests,  and
          claims except to the extent that a security interest is granted to the
          Bank Group in the Loan Documents; and

     16.  Year 2000.  The Contran  Companies  have  reviewed and assessed  their
          business  operations and computer  systems and applications to address
          the "year 2000  problem"  (that is,  that  computer  applications  and
          equipment  used  by the  Contran  Companies,  directly  or  indirectly
          through   third   parties,   may  be   unable  to   properly   perform
          date-sensitive  functions before,  during,  and after January 1, 2000)
          and reasonably believe that the year 2000 problem will not result in a
          material adverse change in the Contran  Companies'  business condition
          (financial or otherwise), operations, properties, or prospects, or the
          Contran  Companies'  ability to repay the Advances  and perform  their
          Obligations to the Bank Group under the Loan Documents.

B.   Reaffirmation.  The  Contran  Companies  will be  deemed  to  reaffirm  the
     accuracy and completeness of the foregoing  representations  and warranties
     each time that an Advance is requested.

V.       COVENANTS.

A.   Affirmative  Covenants.  The Contran Companies promise and agree that until
     the  Advances  are  repaid  and all other  Obligations  are  discharged  by
     performance, each Contran Company will, unless the Agent otherwise consents
     in writing:

     1.   Preserving   Existence.   Preserve   its  legal  status  and  material
          franchises   and  pay  all  material  taxes  and  fees  in  connection
          therewith;

     2.   Compliance with Laws and Orders.  Comply in all material respects with
          all statutory laws,  regulations,  and orders  applicable to it or its
          property  specifically  including,  but not limited to,  environmental
          laws, if  noncompliance  would or is likely to have a material adverse
          effect  on the  financial  condition  or  business  prospects  of such
          organization or its ability to perform the Obligations;

     3.   Insurance.  Obtain and maintain with  responsible  carriers or through
          self-insurance such workers' compensation, fire with extended coverage
          endorsement,  public  liability  and  property  damage  and such other
          insurance in such coverage  amounts,  deductibles  and terms as may be
          consistent with industry  practices and will provide  evidence of such
          insurance and payment of premiums to the Agent as and when required by
          the Agent;

     4.   Payment and Performance of Debts, Liabilities and Obligations. Pay and
          perform when due all material debts and obligations  owed to all third
          persons,  specifically including,  but not limited to, its obligations
          under any "employee pension benefit plans" or "employee benefit plans"
          (as those  terms are defined by Section 3 of the  Employee  Retirement
          Income  Security  Act of 1974,  as  amended) to which such person is a
          party  or  sponsor  in any  material  respect  or any  other  material
          agreement,  instrument,  undertaking,  or other contract to which such
          person is a party or by which its property is bound;

     5.   Books and  Records.  Keep  accurate  and  complete  books and  records
          relating  to  the  Pledged   Securities   and  its  other  assets  and
          liabilities,   management   and  employees,   production,   marketing,
          operations, performance and earnings;

     6.   Tax Returns.  File all tax returns  required by statute,  regulations,
          and orders to be filed and pay all material taxes when due;

     7.   Financial  Statements.  Deliver  to each  member of the Bank Group (a)
          unaudited interim consolidated  financial statements of Contran within
          75  days  following  the  end of each  of the  first  three  quarterly
          reporting periods of each fiscal year, (b) audited annual consolidated
          financial  statements of Contran  within 120 days following the end of
          each  fiscal  year,  accompanied  by a copy  of an  unqualified  audit
          opinion issued by certified public accountants reasonably satisfactory
          to the Bank Group and, if issued, copies of such auditor's "management
          letter," and (c) unaudited  consolidating  financial statements of NCL
          within 75 days following the end of each of the first three  quarterly
          reporting  periods and within 120 days of the end of each fiscal year,
          which  unaudited  consolidating  financial  statements  may  omit  all
          footnote   disclosures   normally  required  in  financial  statements
          prepared in accordance with GAAP;

     8.   Auditor  Certificates.  Deliver to each  member of the Bank Group with
          the audited annual  consolidated  financial  statements of Contran the
          certificate  of the auditors  addressed  to the Agent and  certifying,
          based only on review of the annual  audited  financial  statements and
          the Loan  Documents,  that the  auditors are not aware of any Event of
          Default or Prospective  Default or, if such auditors are aware of such
          event, specifying such events with reasonable particularity; provided,
          however,  that in connection  therewith the auditors shall be under no
          obligation  to go beyond the  bounds of  generally  accepted  auditing
          standards   for  the  purpose  of   certifying   such   compliance  or
          non-compliance;

     9.   Additional Information; Compliance Certificates. Provide to the Agent:

          a)   A Notice of Borrowing when and as Contran requests Advances;

          b)   Such additional  information as and when reasonably  requested by
               the Bank Group or the Agent as to the Pledged  Securities and the
               business operations and financial condition of any one or more of
               the Contran Companies;

          c)   Notice of any material  adverse change in the business  operation
               or financial condition of any Contran Company; and

          d)   Within 10 Banking Days after any Contran Company receives written
               notice thereof,  a report of each pending and overtly  threatened
               claim,   litigation,   and  governmental   proceeding  which,  if
               adversely   determined,   probably  would  involve  an  aggregate
               liability of $5,000,000 or more;

          e)   Quarterly and annual  compliance  certificates,  to accompany the
               quarterly  and  annual  financial  statements,  signed  by a duly
               authorized  representative  of the Contran Companies which either
               (A)  certifies  that there is no Event of Default or  Prospective
               Default as of the date of the certificate to the knowledge of the
               representative  or (B) specifies  with  reasonable  particularity
               such events then  existing  and known to the  representative  and
               outlines its plan for cure thereof;

          f)   Copies of any filings or reports that any Contran  Company  files
               or  makes  with  any  federal  or  state  government  department,
               commission,  or agency  regulating  investment  securities as and
               when such filings or reports are filed or made to such government
               department, commission, or agency; and

          g)   If Contran  becomes aware of any Event of Default or  Prospective
               Default between  quarterly and annual  reporting  dates,  written
               notice of such Event of Default or Prospective  Default within 10
               days after Contran's  senior  management  learns of such Event of
               Default or Prospective Default.

     10.  Inspection  Rights. The Agent will have the right to discuss financial
          statements and other books and records with  accounting  employees and
          outside  accountants of each Contran Company and the Contran Companies
          will ensure that the Agent may exercise and enjoy such rights  subject
          to the  obligation of the Agent to give  reasonable  advance notice to
          the Contran Companies under the  circumstances.  The Contran Companies
          will  reimburse  the  Agent  for all  reasonable  costs  and  expenses
          incurred by the Agent in connection with the foregoing.  All employees
          and outside  accountants are hereby authorized to discuss such matters
          with the Agent,  to provide  such  additional  books and  records  and
          information as may be reasonably  requested by the Agent in connection
          therewith,  and to bill the Contran  Companies for such services.  The
          Agent  also will give prior  notice to the  Contran  Companies  of the
          intention to discuss such matters with the outside  accountants  so as
          to provide the opportunity to the management of the Contran  Companies
          to be present at such discussions.

     11.  Contest Rights.  Notwithstanding the foregoing covenants, each Contran
          Company will have the right to contest its obligations under statutory
          laws, regulations,  orders, and contracts (other than the Obligations)
          and for  payment of taxes as long as (a) such  contest is started  and
          continued  in  good  faith  and by  appropriate  means,  (b)  adequate
          reserves  are  maintained  by the  Contran  Company  engaging  in such
          contest for  performance  of the obligation in the event of an outcome
          of such  contest that is adverse to the Contran  Company  involved and
          (c) the Bank Group is  notified of any such  contest  where an adverse
          outcome probably would involve a payment of $5,000,000 or more.

B.   Negative Covenants. Each Contran Company promises and agrees that until the
     Advances  are  repaid and all other  Obligations  have been  discharged  by
     performance,  it will not,  unless the Bank  Group  otherwise  consents  in
     writing:

     1.   Additional  Debt.  Directly  or  indirectly  (by  borrowing,  deferred
          purchase,  guarantee,  or otherwise)  incur more than $25,000,000 as a
          group in  funded  debt in  excess  of that  immediately  available  or
          outstanding  to the Contran  Companies  on the date of this  Agreement
          except for loans occurring in the ordinary course of business from the
          Contran  Companies to each Contran  Company  and/or Valhi and/or other
          affiliates of Contran;

     2.   Asset  Transfers.  Transfer  any  material  or  essential  part  of or
          interest  in their  property  to any third  party  except for sales of
          inventory  and  surplus  or  obsolete  equipment,  the  collection  of
          accounts,  and sales and  exchanges  of other  assets in the  ordinary
          course of business;

     3.   Transactions   with  Affiliates.   Engage  in  any  material  business
          transaction  with any  affiliate  or other  third  party on terms less
          favorable to the Contran Company than those which could be obtained at
          the time thereof in arm's-length dealings with a nonaffiliated person;

     4.   Business Combinations.  Engage in any merger, acquisition, or exchange
          of equity  securities  unless the  Contran  Company  is the  surviving
          corporation  and the Contran  Companies  continue to be in  compliance
          with all of the terms and conditions of the Loan Documents; or

     5.   Use of  Proceeds.  Use the  proceeds  of any loan for any  purpose not
          permitted by the Loan Documents.

VI.      DEFAULT.

TIME IS OF THE ESSENCE.  Contran will be in default under the Loan Documents if:

A.   Payment  Failure.  The  Contran  Companies  fail to  make  any  payment  of
     principal  when due or fail to make any payment of interest,  fees or costs
     within three Banking Days following the due date;

B.   LTV Compliance.  The Contran  Companies fail to prepay  principal or pledge
     additional  Pledged  Securities within three Banking Days following receipt
     of  written  notice  from the Agent  that the LTV  exceeds  40% if and when
     required by the Agent under the terms of this Agreement.

C.   Misrepresentation. Any Contran Company knowingly misrepresents any material
     fact to the Bank Group or the Agent or fails to  disclose to the Bank Group
     or the Agent a material  fact which is  necessary  to make the facts  which
     have been  disclosed not misleading in the  circumstances  under which they
     are made;

D.   Affirmative  Covenants.  The  Contran  Companies  fail to  comply  with the
     affirmative covenants contained in any of the Loan Documents within 30 days
     following  the date such  compliance  is  demanded by the Bank Group or, if
     such  compliance  cannot be completed  within that 30-day period,  fails to
     substantially  commence  compliance  within that 30-day  period and then to
     complete  such  compliance as soon as possible  thereafter  but in no event
     later than 60 days after such compliance is demanded;

E.   Negative  Covenants.  Any Contran  Company  breaches any negative  covenant
     contained in the Loan Documents;

F.   Debt  Default.  Any Contran  Company  breaches  or is in default  under any
     agreement, instrument, or similar contractual undertaking for the repayment
     of funded debt in excess of  $5,000,000  or does not pay any trade  account
     payables  which is material or essential to its business,  other than those
     where the  amount  or  validity  is being  contested  in good  faith and by
     appropriate means, in the ordinary course of business;

G.   Guaranty. Any Contran Company repudiates,  breaches, or is in default under
     the Guaranty or the Security Documents;

H.   Insolvency.  Any  Contran  Company  becomes  insolvent,  the subject of any
     voluntary  insolvency  proceeding  or,  having  become  the  subject  of an
     involuntary insolvency proceeding, fails to have the involuntary proceeding
     dismissed within 90 days of commencement;

I.   Judgments.  Any  Contran  Company  becomes a judgment  debtor for more than
     $5,000,000 if such liability is not either covered by insurance or vacated,
     discharged,  stayed,  or bonded in connection with an appeal within 30 days
     of entry of the judgment; or

J.   Change in Control.  Any person or group of persons,  other than the current
     holders,  hereafter directly or indirectly  acquires control of any Contran
     Company and such change in control continues for 60 days.

VII.     REMEDIES.

A.   Suspending  Commitment.  The  members of the Bank Group may  suspend  their
     obligations   to  make  Advances  to  Contran  upon  the  occurrence  of  a
     Prospective Default or when the LTV is more than 40%.

B.   Canceling  Commitments.  The  members of the Bank  Group may  cancel  their
     obligations to makes Advances to Contran and accelerate the due date of the
     Notes (make payment of all principal,  interest, fees and costs immediately
     due and payable) without further notice or demand upon the occurrence of an
     Event of Default and Contran's failure to cure such Event of Default within
     applicable notice and grace periods.

C.   Collecting  Payments;  Order of  Exercise of  Remedies.  The Bank Group may
     collect the overdue  payments  or the  accelerated  balance of the Notes at
     such  times and in such  order as the Bank  Group  selects.  All rights and
     remedies provided by law, equity and contract are cumulative.

D.   Consent to Jurisdiction.  Each Contran Company consents to the jurisdiction
     and venue of the circuit court of the state of Oregon for Multnomah  County
     (Portland)  and of any federal court located in the state of Oregon for any
     proceeding arising out of the Loan Documents,  including offsets, defenses,
     and counterclaims arising in contract or tort.

E.   Offset.  Without  limiting the  generality of the  foregoing,  each Contran
     Company  expressly  grants to each  member  of the Bank  Group the right to
     offset the obligations of the Bank Group to the Contran  Companies  against
     the   Obligations   without  notice  or  demand  upon  the  occurrence  and
     continuance of an Event of Default.

F.   Jury  Trial  Waiver.  On advice of  counsel  and in lieu of an  arbitration
     clause normally required by the agent, each Contran Company waives trial by
     jury  in  any  controversy  (claim,  offset,  defense,   counterclaim,   or
     third-party  claim whether asserted in tort or contract)  arising out of or
     in any way related to construction,  performance, and/or enforcement of the
     Loan Documents.

G.   Costs.  The prevailing  party in the trial or appeal of any civil action or
     other  proceeding  relating  to the Loan  Documents  (including  claims and
     adversary  proceedings  in the  Bankruptcy  Court)  will be entitled to the
     award of a reasonable  attorney fee in addition to costs and disbursements.
     If  the  Bank  Group  uses  an  attorney  to  enforce  performance  of  the
     Obligations,  the Contran  Companies will reimburse the Bank Group for such
     costs reasonably  incurred on demand whether or not a civil action or other
     proceeding is commenced.

VIII.    INDEMNITY.

A.   Indemnity. The Contran Companies promise and agree to indemnify, defend and
     hold harmless each member of the Bank Group from and against all claims and
     causes of action (and any direct and reasonable  loss,  damage,  liability,
     cost,  and expense,  including  penalties,  damages,  liens and  reasonable
     attorney fees and other defense costs  resulting  therefrom) of any kind or
     nature  whatsoever that may be imposed on, incurred by, or asserted against
     any of such member in connection  with any  investigation,  litigation,  or
     other proceeding,  that arises from or relates to the Loan Documents or the
     failure of any of the Contran Companies to perform the Obligations, but the
     Contran  Companies  will  not  be  responsible  for  any  portion  of  such
     indemnified  claims or causes of action  that  arise  from or relate to the
     negligence  or  willful  misconduct  of any member of the Bank  Group,  any
     controversies or claims among the members of the Bank Group, or the failure
     of a member of the Bank Group to comply with any  statute,  regulation,  or
     order applicable to such indemnified party.

B.   Durable Nature.  This indemnity will survive the  satisfaction or discharge
     of the Advances by payment, bankruptcy discharge, or otherwise.

IX.      AGENCY PROVISIONS.

A.   Authorization and Action.  Each member of the Bank Group hereby irrevocably
     appoints  the Agent as its agent for  administration  of the  Advances  and
     Obligations  and authorizes the Agent to take such action and exercise such
     powers under this  Agreement  as are granted to the Bank Group,  subject to
     the  voting/approval  provisions  of this  Article,  by the  terms  of this
     Agreement   together  with  such  additional  actions  and  powers  as  are
     reasonably  incidental thereto. The obligations of the Agent are mechanical
     and  administrative in nature.  Accordingly,  the Agent is not by reason of
     its role under this  Agreement a trustee or fiduciary for any member of the
     Bank  Group.  The Agent will have no  obligations  except  those  expressly
     stated in this Agreement.  As to any matters not expressly  provided for in
     this Agreement (including, but not limited to, enforcement or collection of
     the Notes),  the Agent will not be required to exercise any  discretion  or
     take any action, but will be required to act or to refrain from acting upon
     the instructions of the Bank Group Majority,  and such instructions will be
     binding on all members of the Bank Group; provided, however, that the Agent
     will not be required to take any action which exposes the Agent to personal
     liability  or that  is  contrary  to this  Agreement  or  applicable  laws,
     regulations, or orders.

B.   Liability of the Agent. The Agent (including its  shareholders,  directors,
     officers, agents, and employees) will not be liable for any action taken or
     inaction by it under or in connection with this Agreement in the absence of
     its own gross  negligence or willful  misconduct.  Without thereby limiting
     the foregoing sentence, the Agent:

     1.   May treat the payee of a Note as the  holder  thereof  until the Agent
          receives  written notice of a transfer thereof signed by such payee in
          a form reasonably satisfactory to the Agent;

     2.   May consult with legal counsel,  independent public  accountants,  and
          other  experts  selected  by it and will not be liable  for any action
          taken or inaction by it in good faith in accordance with the advice of
          such counsel, accountants, or experts;

     3.   Makes no warranty or representation to any Bank and will not be liable
          or responsible for the statements, warranties, or representations made
          by the Contran  Companies or any other person in connection  with this
          Agreement,

     4.   Will not have any  obligation  to  inquire  as to the  performance  or
          observance  of any of the  terms,  covenants,  or  conditions  of this
          Agreement on the part of the Contran  Companies or any other person or
          to  inspect  any  Pledged  Securities,  books  and  records,  or other
          property of the Contran Companies or any other person;

     5.   Will not be  responsible  to any  member of the Bank Group for the due
          execution,    legality,   validity,    enforceability,    genuineness,
          perfection, sufficiency, or value of this Agreement, the Notes, or any
          other certificate,  instrument, or document furnished pursuant to this
          Agreement, and

     6.   Will have no  liability  under this  Agreement  or otherwise by acting
          upon any notice, consent, certificate, or other instrument,  document,
          or  other  writing  (whether  personally  delivered  or sent by  mail,
          messenger,  telegram, telex, or facsimile) believed by the Agent to be
          genuine and signed by the proper person.

C.   Rights  of  Agent  as a  Member  of the Bank  Group.  With  respect  to its
     individual  commitment,  the Advances made by it, and the Note and Guaranty
     issued to it, the Agent will have the same rights,  powers, and obligations
     under this Agreement as any other member of the Bank Group and may exercise
     and  perform  the same as though it were not also the Agent.  The Agent and
     its affiliates may accept deposits from, lend money to, act as trustee for,
     and generally  engage in any business with or own securities of the Contran
     Companies as if the Agent were not the Agent for the Bank Group and without
     any obligation to account therefor to the Bank Group.

D.   Independent  Credit  Decision.  Each member of the Bank Group  acknowledges
     that it has made its own credit  analysis  and decision  before  making its
     commitment on the basis of such  documents and  information  that it deemed
     appropriate  and  without  reliance  on  any  information,   analysis,   or
     recommendation  made by the  Agent.  Each  member  of the Bank  Group  also
     acknowledges that it will continue to make such independent credit analyses
     and decisions in taking or not taking action under this  Agreement.  Except
     for the notices,  reports,  and other  documents and  information  that the
     Agent is specifically  required to furnish to the members of the Bank Group
     under this  Agreement,  the Agent will have no obligation to provide to the
     members  of the  Bank  Group  any  additional  information  concerning  the
     financial  condition,  business  operations,  or  property  of the  Contran
     Companies that may come into the possession of the Agent or its affiliates.

E.   Indemnification. Each member of the Bank Group agrees to indemnify and hold
     harmless the Agent from and against such  member's  Percentage  Interest of
     all claims and causes of action (and any resulting loss, damage, liability,
     cost,  and expense,  including  penalties,  damages,  liens and  reasonable
     attorney  fees and other  defense  costs) of any kind or nature  whatsoever
     that (i) may be imposed on,  incurred by, or asserted  against the Agent in
     any way relating to or arising from this Agreement, (ii) are not reimbursed
     to the Agent by the Contran Companies,  and (iii) are not the result of the
     Agent's  gross  negligence  or willful  misconduct.  Without  limiting  the
     generality  of the  foregoing,  each  member  of the Bank  Group  agrees to
     reimburse  the  Agent  for  its  Percentage   Interest  of  any  reasonable
     out-of-pocket expenses, including reasonable attorney fees, incurred by the
     Agent in connection with the preparation,  administration,  enforcement, or
     legal advice with respect to rights or duties under,  the Loan Documents to
     the extent that such expenses are not reimbursed by the Contran Companies.

F.   Successor  Agent.  The Agent  may  resign at any time by giving at least 60
     days' prior written notice to the Bank Group and to the Contran  Companies.
     Upon  resignation,  the Bank Group Majority will appoint a successor Agent.
     If no successor  Agent has been  appointed  and  accepted  its  appointment
     within 30 days of receipt of the notice of resignation  of the Agent,  then
     the Agent may appoint its  successor  which shall be a national bank having
     combined  capital and surplus of at least $100 million.  Upon acceptance by
     the successor of its appointment, such successor will succeed to and become
     vested with all of the rights, powers,  privileges, and duties of the Agent
     and the retiring or removed Agent will be discharged  from its  obligations
     as the Agent under this Agreement.

G.   Sharing of Payments and Recoveries. If any member of the Bank Group obtains
     any  payment  (whether  voluntary,   involuntary,  by  way  of  offset,  or
     otherwise)  on account of the Note held by it and such payment is in excess
     of its  Percentage  Interest,  such  member  will  purchase  from the other
     members of the Bank Group such  participation  in the Notes held by them as
     is necessary to cause such purchasing member of the Bank Group to share the
     excess  payment  ratably with the other members of the Bank Group.  If such
     member  is  thereafter  required  to return  all or any part of the  excess
     payment,  then the  purchase  of  participation  by such member of the Bank
     Group will be rescinded  to the same extent and the purchase  price of such
     participation (or so much thereof as is recovered) will be refunded.

H.   Modifications,  Consents, and Waivers.  Except as allowed or limited by the
     remainder  of  this  section,  the  Bank  Group  Majority  may in  specific
     instances modify the terms and conditions of this Agreement, grant consents
     requested  by the  Contran  Companies,  waive  compliance  by  the  Contran
     Companies  with the terms and  conditions  of this  Agreement  but any such
     modifications, consent, or waiver must be in writing to be effective.

     Notwithstanding  any other term or  conditions  of the Loan  Documents,  no
     modification,  consent,  or waiver may, unless such modification,  consent,
     waiver,  release, or termination is in writing and is signed by all members
     of the Bank Group:

     1.   Waive any of the conditions precedent specified in Article III of this
          Agreement;

     2.   Increase or decrease the  individual  commitment  of any member of the
          Bank Group,  or otherwise  subject any member of the Bank Group to any
          additional obligations without such bank's consent

     3.   Reduce the amount payable on any Note (including principal,  interest,
          or fees);

     4.   Extend the Expiry Date;

     5.   Change the definition of "Bank Group Majority" or modify this section;
          or

     6.   Authorize the release or  termination  of any Guaranty or the security
          interest  of the Bank Group in any  material or  essential  part of or
          interest in the Pledged Securities.

          Notwithstanding  the foregoing,  the Bank Group Majority will have the
          right to authorize the Agent to release  parts of and/or  interests in
          Pledged Securities from time to time to accommodate ordinary course of
          business  transactions  by the  Contran  Companies  and the  Agent may
          release  additional  pledged securities as provided in II.B.10 of this
          Agreement as long as the LTV is maintained at or below 40%.

X.       MISCELLANEOUS.

A.   Binding Successors. The Loan Documents will bind the successors and assigns
     of the  Contran  Companies  and will bind and inure to the  benefit  of the
     successors and assigns of each member of the Bank Group and the Agent.

B.   Participants and Assignees.  Each member of the Bank Group will be entitled
     to sell no more than 75%  participation  in its percentage  interest in the
     Loan  Documents  (including  the  Advances  made  thereunder)  and  will be
     entitled  to propose to the Contran  Companies  partial  assignment  of its
     rights  and  delegation  of  its  duties  to no  more  than  two  financial
     institutions.  While the Contran  Companies will have the right prior to an
     Event of Default or Prospective  Default to consent to any such  assignment
     and delegation, each Contran Company covenants that its consent will not be
     unreasonably  withheld. Any such sale or assignment shall be subject to the
     condition that the Bank Group member pay Agent an administrative fee in the
     amount of $2,000 per participant or assignee.

     Upon the sale of a participation or a partial  assignment,  the participant
     or  assignee  shall be  entitled  to  receive  directly  from  the  Contran
     Companies  copies  of all  reports,  certificates  and  other  information,
     including  the  financial  statements,  as and  when  such  information  is
     provided to the member of the Bank Group  participating  or assigning  such
     interest.

C.   Non-Waiver.  No term or  condition  of the Loan  Documents  shall be deemed
     waived nor shall the grounds for the claim of estoppel be  established by a
     course of performance, oral understanding or other circumstances. Terms and
     conditions  may be waived or amended  only in writing  executed by the Bank
     Group or, in appropriate circumstances, the Bank Group Majority.

D.   Communications.  Whenever any communication is required by the terms of the
     Loan  Documents  or by law,  it will be  deemed  delivered  when  delivered
     personally or by facsimile  machine or on the third Banking Day after it is
     mailed in a postage prepaid envelope addressed to the intended recipient at
     the address  specified below or such other address as a party may hereafter
     specify by written notice to the other parties.

E.   Costs. The Contran Companies will pay on demand all reasonable direct costs
     and expenses,  including reasonable attorney fees, incurred by the Agent in
     drafting, negotiating, modifying and reviewing the Loan Documents.

F.   Counterparts.  The  Loan  Documents  may  be  executed  in  any  number  of
     counterparts,  each of which shall be deemed to be an original,  and all of
     which, taken together shall constitute one and the same contract.

G.   Statutory  Statement.  Under  Oregon Law,  most  agreements,  promises  and
     commitments  made  by  a  financial  institution  after  October  3,  1989,
     concerning Advances and other credit extensions which are not for personal,
     family or household purposes or secured solely by the borrower's  residence
     must be in writing,  express  consideration  and be signed by the financial
     institution to be enforceable.

U.S. BANK NATIONAL ASSOCIATION                  CONTRAN CORPORATION
  for itself and as the Agent for
  the Bank Group

By:  /s/ Janice T. Thede                        By:  /s/ Bobby D. O'Brien
     -------------------------------                 --------------------------
     Janice T. Thede                                 Bobby D. O'Brien
     Vice President                                  Vice President


                                                 NATIONAL CITY LINES, INC.


                                                 By: /s/ Bobby D. O'Brien
                                                     --------------------------
                                                     Bobby D. O'Brien
                                                     Vice President

U.S. BANK NATIONAL ASSOCIATION              Commitment Amount       $25,000,000


By:  /s/ Janice T. Thede
     ------------------------------------
     Janice T. Thede
     Vice President





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