Recording  requested by and
when recorded return to:

Christine Fitzpatrick, Esq.
Orrick, Herrington & Sutcliffe
Old Federal Reserve Bank Building
400 Sansome Street
San Francisco, California  94111



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

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


                                LEASE AGREEMENT,

              CONSTRUCTION DEED OF TRUST WITH ASSIGNMENT OF RENTS,

                      SECURITY AGREEMENT AND FIXTURE FILING

                                     Between

                          FAIR, ISAAC AND COMPANY, INC.

                                       And

                         LEASE PLAN NORTH AMERICA, INC.

                                  May 15, 1998


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

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


                    THIS LEASE IS NOT INTENDED TO CONSTITUTE
                      A TRUE LEASE FOR INCOME TAX PURPOSES
                              (SEE PARAGRAPH 2.06)

- --------------------------------------------------------------------------------
         Maturity Date:  May 15, 2003
         Maximum Principal Amount to be Advanced:  $55,000,000
- --------------------------------------------------------------------------------






                                TABLE OF CONTENTS

                                                                            Page

SECTION 1.            INTERPRETATION...........................................2
         1.01.    Definitions..................................................2
         1.02.    Rules of Construction........................................2

SECTION 2.            BASIC PROVISIONS.........................................2
         2.01.    Lease of the Property........................................2
         2.02.    Term.........................................................2
         2.03.    Rent.........................................................3
         2.04.    Use..........................................................7
         2.05.    "As Is" Lease................................................7
         2.06.    Nature of Transaction........................................8
         2.07.    Security, Etc. ..............................................8

SECTION 3.            OTHER LESSEE AND LESSOR RIGHTS AND OBLIGATIONS..........10
         3.01.    Maintenance, Repair, Etc. ..................................10
         3.02.    Risk of Loss................................................11
         3.03.    Insurance...................................................12
         3.04.    Casualty and Condemnation...................................14
         3.05.    Taxes.......................................................18
         3.06.    Environmental Matters.......................................18
         3.07.    Liens, Easements, Etc. .....................................19
         3.08.    Subletting..................................................20
         3.09.    Utility Charges.............................................21
         3.10.    Removal of Property.........................................21
         3.11.    Compliance with Governmental Rules and 
                     Insurance Requirements...................................21
         3.12.    Permitted Contests..........................................21
         3.13.    Lessor Obligations; Right to Perform Lessee Obligations.....22
         3.14.    Inspection Rights...........................................22

SECTION 4.            EXPIRATION DATE.........................................22
         4.01.    Termination by Lessee Prior to Scheduled Expiration Date....22
         4.02.    Surrender of Property.......................................22
         4.03.    Holding Over................................................23

SECTION 5.            DEFAULT.................................................23

                                      -i-




                                TABLE OF CONTENTS
                                  (continued)

                                                                            Page

         5.01.    Events of Default...........................................23
         5.02.    General Remedies............................................25
         5.03.    Lease Remedies..............................................26
         5.04.    Loan Remedies...............................................27
         5.05.    Remedies Cumulative.........................................30
         5.06.    No Cure or Waiver...........................................30
         5.07.    Exercise of Rights and Remedies.............................30

SECTION 6.            MISCELLANEOUS...........................................30
         6.01.    Notices.....................................................30
         6.02.    Waivers; Amendments.........................................30
         6.03.    Successors and Assigns......................................30
         6.04.    No Third Party Rights.......................................30
         6.05.    Partial Invalidity..........................................31
         6.06.    Governing Law...............................................31
         6.07.    Counterparts................................................31
         6.08.    Nature of Lessee's Obligations..............................31

EXHIBITS

         A        Land (2.01(a))
         B        Related Goods (2.01(d))
         C        Notice of Rental Period Selection

                                      -ii-




                                LEASE AGREEMENT,
              CONSTRUCTION DEED OF TRUST WITH ASSIGNMENT OF RENTS,
                      SECURITY AGREEMENT AND FIXTURE FILING

         THIS LEASE  AGREEMENT,  CONSTRUCTION  DEED OF TRUST WITH  ASSIGNMENT OF
RENTS, SECURITY AGREEMENT AND FIXTURE FILING (this "Agreement" herein), dated as
of May 15, 1998 is entered into by and among:

                  (1) FAIR,  ISAAC AND  COMPANY,  INC.,  a Delaware  corporation
         ("Lessee");

                  (2) LEASE PLAN NORTH  AMERICA,  INC., an Illinois  corporation
         ("Lessor").


                                    RECITALS

         A. Lessee has requested Lessor and the financial institutions which are
"Participants" under the Participation  Agreement referred to in Recital B below
(such   financial   institutions   to  be  referred  to   collectively   as  the
"Participants") to provide to Lessee a lease facility pursuant to which:

                  (1) Lessor would (a) purchase certain  property  designated by
         Lessee,  (b) lease such  property  to  Lessee,  (c)  appoint  Lessee as
         Lessor's agent to make such  improvements  (which  improvements will be
         owned by Lessor), (d) make advances to finance such improvements and to
         pay  certain  related  expenses  and (e) grant to  Lessee  the right to
         purchase such property; and

                  (2) The Participants  would participate in such lease facility
         by (a)  funding  the  purchase  price and other  advances to be made by
         Lessor  and (b)  acquiring  participation  interests  in the rental and
         certain other payments to be made by Lessee.

         B. Pursuant to a Participation  Agreement dated as of May 15, 1998 (the
"Participation  Agreement") among Lessee,  Lessor, the Participants and ABN AMRO
Bank N.V., as agent for the Participants (in such capacity, "Agent"), Lessor and
the  Participants  have agreed to provide such lease facility upon the terms and
subject to the conditions set forth therein,  including  without  limitation the
execution and delivery of this Agreement setting forth the terms of the lease by
Lessor to Lessee of the property.

                                                                   EXHIBIT 10.39




                                    AGREEMENT

         NOW,  THEREFORE,  in consideration of the above Recitals and the mutual
covenants herein contained, the parties hereto hereby agree as follows:

SECTION 1.        INTERPRETATION.

         1.01. Definitions.  Unless otherwise indicated in this Agreement or any
other  Operative  Document,  each  term  set  forth  in  Schedule  1.01  to  the
Participation  Agreement,  when used in this  Agreement  or any other  Operative
Document,  shall have the respective meaning given to that term in such Schedule
1.01 or in the  provision of this  Agreement or other  document,  instrument  or
agreement referenced in such Schedule 1.01.

         1.02.  Rules  of  Construction.  Unless  otherwise  indicated  in  this
Agreement or any other Operative  Document,  the rules of construction set forth
in Schedule 1.02 to the  Participation  Agreement  shall apply to this Agreement
and the other Operative Documents.

SECTION 2.        BASIC PROVISIONS.

         2.01.  Lease of the  Property.  Subject to the  acquisition  thereof by
Lessor  pursuant  to the  Participation  Agreement  and  applicable  Acquisition
Agreement  either on the Closing Date or during the term hereof , Lessor  agrees
to lease to Lessee and Lessee agrees to lease from Lessor the following property
(the  "Property") to the extent of Lessor's  estate,  right,  title and interest
therein, thereto or thereunder:

                  (a) All lots, pieces,  tracts and parcels of land described in
         Exhibit A (the "Land");

                  (b) All Improvements located on the Land;

                  (c) All Appurtenant  Rights belonging,  relating or pertaining
         to any of the Land or Improvements;

                  (d) All Related Goods  (including those described in Exhibit B
         and  in  each  Exhibit  B  Supplement),  Related  Permits  and  Related
         Agreements  related  to any  of the  foregoing  Land,  Improvements  or
         Appurtenant Rights; and

                  (e) All  accessions  and  accretions to and  replacements  and
         substitutions for the foregoing.

         2.02. Term.

                  (a) Original Term.  The original term of this Agreement  shall
         commence on the Closing Date (the "Commencement Date") and shall end on
         May 15, 2003 (such date

                                       2




         as it may be extended  pursuant to Subparagraph  2.02(b) to be referred
         to as the "Scheduled Expiration Date").

                  (b)  Extensions.  Lessee  may  request  Lessor to  extend  the
         Scheduled Expiration Date in effect for either (i) three (3) additional
         periods  of one (1) year  each,  or (ii) one (1)  additional  period of
         three (3) years,  as each is  provided in  Subparagraph  2.09(b) of the
         Participation Agreement,  provided that after giving effect to any such
         extension,  the  remaining  scheduled  term shall not  exceed  five (5)
         years. If Lessor and each  Participant  consents to any such request in
         accordance with such provision,  the current Scheduled  Expiration Date
         shall  be  deemed  extended  by one (1)  year or three  (3)  years,  as
         applicable. Lessee acknowledges that neither Lessor nor any Participant
         has any obligation or commitment (either express or implied) to extend,
         or consent to the extension of, the  Scheduled  Expiration  Date at any
         time.

         2.03. Rent.

                  (a) Base Rent.

                           (i) Lessee  shall pay as base rent  hereunder  ("Base
                  Rent")  for  each  Rental  Period  for  each  Portion  of  the
                  Outstanding Lease Amount an amount equal to the product of (A)
                  the Rental Rate for such Rental Period and Portion,  times (B)
                  the  amount of such  Portion  on the first day of such  Rental
                  Period  (which  shall  include any  Advance  under made on the
                  first day of such Rental  Period),  times (C) a fraction,  the
                  numerator of which is the number of days in such Rental Period
                  and the  denominator of which is 360. If the Rental Rate shall
                  change  during any  Rental  Period,  the Rental  Rate for such
                  Rental  Period  shall be the  weighted  average  of the Rental
                  Rates in effect from time to time during such Rental Period.

                           (ii)  Prior to the  first  Business  Day in the first
                  calendar  month  immediately  following the month in which the
                  Commencement  Date occurs,  the Outstanding Lease Amount shall
                  consist  of a  single  Portion  in  the  full  amount  of  the
                  Outstanding  Lease  Amount.  Thereafter,  Lessee  may elect to
                  divide the Outstanding  Lease Amount into two or more Portions
                  by delivering a Notice of Rental Period  Selection as provided
                  in  clause  (iii)  below;  provided,  however,  that  (A) each
                  Portion shall be in the amount of  $10,000,000  or an integral
                  multiple of $100,000 in excess  thereof;  (B) the total number
                  of Portions outstanding at any time shall not exceed four (4);
                  and (C) the Outstanding Lease Amount shall consist of a single
                  Portion in the amount of the  Outstanding  Lease Amount if the
                  Outstanding Lease Amount is less than $10,000,000.

                           (iii) The Term shall consist of the following  rental
                  periods (individually, a "Rental Period") for each Portion:

                                    (A)  The   period   which   begins   on  the
                           Commencement  Date and ends on the first Business Day
                           in the first calendar month immediately following the
                           month in which the Commencement Date occurs; and

                                       3




                                    (B) Each successive  period thereafter which
                           begins on the last day of the  immediately  preceding
                           Rental Period for the applicable  Portion and ends at
                           the end of the time  period  selected  by  Lessee  as
                           provided   below  in  this  clause  (B)  through  and
                           including the Scheduled Expiration Date.

                                            (1)  Unless  Lessee  has  selected a
                                    longer Rental Period for a Portion to have a
                                    Fixed  Rate  pursuant  to clause  (iv)(D) of
                                    this  Subparagraph  2.03(a),  Lessee  shall,
                                    subject to clause (3) below, select a Rental
                                    Period for each Portion of one (1), two (2),
                                    three  (3)  or  six  (6)  months;  provided,
                                    however,  that  (y) no  such  Rental  Period
                                    shall  be  longer  than  one (1)  month if a
                                    Default has  occurred and is  continuing  on
                                    the date  three (3)  Business  Days prior to
                                    the first day of such Rental  Period and (z)
                                    each such  Rental  Period  for which  Lessee
                                    fails to make a selection in accordance with
                                    this  clause  (iii)(B)(1)  shall  be one (1)
                                    month.  Lessee shall select each such Rental
                                    Period by  delivering  to  Lessor,  at least
                                    three (3)  Business  Days prior to the first
                                    day of such Rental  Period,  an  irrevocable
                                    written  notice  in the form of  Exhibit  C,
                                    appropriately completed (a "Notice of Rental
                                    Period  Selection").  Each  Notice of Rental
                                    Period   Selection  shall  be  delivered  by
                                    first-class mail or facsimile as required by
                                    Subparagraph  2.02(a) and Paragraph  7.01 of
                                    the   Participation   Agreement;   provided,
                                    however,  that Lessee shall promptly deliver
                                    the original of any Notice of Rental  Period
                                    Selection initially delivered by facsimile.

                                            (2)  If  Lessee   has   elected   to
                                    exercise  the  Fixed  Rate  option  for  any
                                    Rental  Period  for a  Portion  pursuant  to
                                    clause (iv)(D) of this Subparagraph 2.03(a),
                                    Lessee  shall,  subject to clause (3) below,
                                    select a Rental Period of twelve (12) months
                                    or  longer  for such  Rental  Period,  which
                                    Rental Period shall begin on the last day of
                                    the  then  current  Rental  Period  for such
                                    Portion.   Lessee  shall  select  each  such
                                    Rental Period by delivering to Agent a Fixed
                                    Rate  Request  pursuant  to  clause  (iv)(D)
                                    below.

                                            (3)  Lessee's  selection of the time
                                    period for each Rental  Period  which begins
                                    on or after the Commencement Date is subject
                                    to the following:

                                                     (y)  Each   Rental   Period
                                            shall  begin  and  end on the  first
                                            Business  Day of a  calendar  month,
                                            except that the last  Rental  Period
                                            may begin on the first  Business Day
                                            in which  the  Scheduled  Expiration
                                            Date  is to  occur  and  end  on the
                                            Scheduled Expiration Date; and

                                                      (z) No Rental Period shall
                                             end after the Scheduled  Expiration
                                             Date.

                                       4




                           (iv) The  rental  rate for each  Rental  Period for a
                  Portion  ("Rental  Rate")  shall be the LIBOR  Rental Rate for
                  such Rental Period and Portion, except as follows:

                                    (A)  If the  Commencement  Date  is not  the
                           first  Business  Day of a month,  the Rental Rate for
                           the first Rental Period (which begins on or after the
                           Commencement  Date,  but prior to the first  Business
                           Day of the  succeeding  month) shall be (y) the LIBOR
                           Rental Rate for the period  beginning on or after the
                           Commencement Date but prior to the first Business Day
                           of the  succeeding  month  and  ending  on the  first
                           Business Day of such  succeeding  month provided that
                           such period is greater than seven (7) days or (z) the
                           Alternate  Rental  Rate if such  period  is seven (7)
                           days or less.  The  Rental  Rate for the last  Rental
                           Period  (which  begins on the first  Business  Day of
                           month in which the  Scheduled  Expiration  Date is to
                           occur)  shall be (y) the  LIBOR  Rental  Rate for the
                           period  beginning  on the first  Business Day of such
                           month and ending on the  Scheduled  Expiration  Date,
                           provided  that such period is greater  than seven (7)
                           days, or (z) the Alternate Rental Rate if such period
                           is seven (7) days or less.

                                    (B) The Rental  Rate for any  Rental  Period
                           (or portion  thereof)  during  which the LIBOR Rental
                           Rate is unavailable  pursuant to Subparagraph 2.12(a)
                           or   Subparagraph   2.12(b)   of  the   Participation
                           Agreement shall be the Alternate Rental Rate.

                                    (C) If Lessee so selects by notifying Lessor
                           in writing  prior to the time  Lessee is  required to
                           select  a  new  Rental  Period   pursuant  to  clause
                           (iii)(B)(1)  above,  the  rental  rate for any Rental
                           Period shall be the Alternate Rental Rate.


                                    (D) If Lessee so  selects,  the rental  rate
                           for a Rental  Period for any  Portion (of one year or
                           more) shall be a Fixed  Rental  Rate,  with the Fixed
                           Rate for such Rental Period determined as follows:

                                            (1) Lessee shall  request  Lessor to
                                    provide a Fixed Rate by  delivering to Agent
                                    a written  request (a "Fixed Rate  Request")
                                    in the form of Exhibit  C,  which  specifies
                                    the Portion and Rental Period for which such
                                    Fixed Rate is requested, which Rental Period
                                    shall  comply with  clause  (iii)(B) of this
                                    Subparagraph  2.03(a).  Lessee shall deliver
                                    each Fixed Rate  Request to Agent,  no later
                                    than 12:00 noon  (Eastern  Standard  Time or
                                    Eastern  Daylight  Time, as  applicable)  at
                                    least  four (4)  Business  Days prior to the
                                    first day of such Rental Period. Agent shall
                                    promptly   furnish   to   Lessor   and  each
                                    Participant   copies  of  each   Fixed  Rate
                                    Request.

                                       5




                                            (2)  Not  later   than   11:00  a.m.
                                    (Eastern  Standard Time or Eastern  Daylight
                                    Time, as applicable) three (3) Business Days
                                    prior to the first day of the Rental  Period
                                    specified in each Fixed Rate  Request,  each
                                    Participant      shall      advise     Agent
                                    telephonically    and   shall    immediately
                                    thereafter confirm such telephonic notice by
                                    delivering  to Agent by  facsimile a written
                                    irrevocable  quote (a  "Fixed  Rate  Quote")
                                    specifying the per annum fixed rate at which
                                    such  Participant  is  willing  to fund  its
                                    Proportionate   Share   of  the   applicable
                                    Portion during such Rental Period.

                                            (3)  After  receipt  of the  various
                                     Fixed Rate  Quotes,  Agent  shall  promptly
                                     calculate  the  weighted  average  (rounded
                                     upward if necessary to the nearest 1/100 of
                                     one  percent)  of  the  Fixed  Rate  Quotes
                                     provided  by  each  Participant  and  shall
                                     deliver  to Lessee no later than 11:20 a.m.
                                     (Eastern  Standard Time or Eastern Daylight
                                     Time,  as  applicable)  three (3)  Business
                                     Days  prior to the first day of the  Rental
                                     Period   specified   in  each   Fixed  Rate
                                     Request,  with  copies to  Lessor  and each
                                     Participant, a written irrevocable offer (a
                                     "Fixed   Rate   Offer")   specifying   such
                                     average.   If  any  Participant   fails  to
                                     provide a Fixed  Rate  Quote,  Agent  shall
                                     calculate the weighted average of the Fixed
                                     Rate Quotes actually received and the Fixed
                                     Rate Quote  submitted  by such  Participant
                                     shall be deemed to be the weighted  average
                                     of the Fixed Rate Quotes actually  received
                                     from all Participants.

                                            (4)  Not  later   than   11:30  a.m.
                                    (Eastern  Standard Time or Eastern  Daylight
                                    Time, as applicable) three (3) Business Days
                                    prior to the first day of the Rental  Period
                                    specified in each Fixed Rate Request, Lessee
                                    shall deliver to Agent a written irrevocable
                                    notice either accepting the Fixed Rate Offer
                                    (a "Fixed Rate Acceptance") or rejecting the
                                    Fixed Rate Offer (a "Fixed Rate Rejection").
                                    If Lessee  fails to  deliver  either a Fixed
                                    Rate  Acceptance or Fixed Rate  Rejection as
                                    required  hereunder,  the Fixed  Rate  Offer
                                    shall be deemed rejected.

                                                     (y)  If  Lessee  accepts  a
                                            Fixed Rate  Offer,  the rental  rate
                                            for the Rental  Period  and  Portion
                                            specified  in the  applicable  Fixed
                                            Rate Request shall be a Fixed Rental
                                            Rate  and the  Fixed  Rate  for such
                                            Rental  Period and Portion  shall be
                                            the  average  rate set forth in such
                                            Fixed Rate Offer; provided that each
                                            Participant  shall  be  entitled  to
                                            receive  a Fixed  Rate  equal to the
                                            Fixed Rate Quote submitted or deemed
                                            submitted by such Participant.

                                                     (z)  If  Lessee  rejects  a
                                            Fixed  Rate  Offer  or if the  Fixed
                                            Rate Request is not delivered by the
                                            Agent  within  the  applicable  time
                                            periods,  the  rental  rate  for the
                                            applicable

                                       6




                                             Portion shall continue at the LIBOR
                                             Rental  Rate  (except as  otherwise
                                             provided in clause (iv)(A), (iv)(B)
                                             or  (iv)(C)  of  this  Subparagraph
                                             2.03(a)),  with the next succeeding
                                             Rental  Period for such  Portion to
                                             be determined as provided in clause
                                             (iii)(B)(1)  of  this  Subparagraph
                                             2.03(a).  Each Fixed Rate  Request,
                                             Fixed   Rate   Quote,   Fixed  Rate
                                             Acceptance and Fixed Rate Rejection
                                             shall be  delivered by facsimile as
                                             required by  Paragraph  7.01 of the
                                             Participation Agreement[; provided,
                                             however, that

                           (v)  Lessee  shall pay Base Rent in  arrears  (A) for
                  each Portion,  on the last day of each Rental Period  therefor
                  and, in the case of any Rental  Period which exceeds three (3)
                  months,  each day  occurring  every three (3) months after the
                  first day of such Rental  Period  (individually,  a "Scheduled
                  Rent  Payment  Date")  and  (B)  for  all  Portions,   on  the
                  Expiration Date.

                  (b) Supplemental  Rent.  Lessee shall pay as supplemental rent
         hereunder  ("Supplemental Rent") all amounts (other than Base Rent, the
         purchase  price  payable by Lessee for any  purchase of the Property by
         Lessee  pursuant  to the  Purchase  Agreement  and the  Residual  Value
         Guaranty  Amount  and  Indemnity  Amount  payable  under  the  Purchase
         Agreement)  payable  by  Lessee  under  this  Agreement  and the  other
         Operative Documents.  Lessee shall pay all Supplemental Rent amounts on
         the dates specified in this Agreement and the other Operative Documents
         for the  payment of such  amounts or, if no date is  specified  for the
         payment of any such amount, 10 days after demand of Lessor or any other
         Person to whom such amount is payable.

         2.04.  Use.  Lessee may use the Property  for (i) general  office uses,
(ii)  uses  reasonably  ancillary  to  ordinary  general  office  uses,  such as
cafeterias for employees,  and (iii) the sale of goods and services by Lessee or
any  corporate  successor  to Lessee that do not involve  customer  purchases in
person.

         2.05. "As Is" Lease. Lessee has conducted, or will conduct from time to
time with regard to property that may be added hereto after the date hereof, all
due diligence which it deems appropriate  regarding the Property and agrees that
no Lessor Party has any obligation to conduct any such due diligence.  Lessee is
leasing  the  Property  "as is, with all  faults"  without  any  representation,
warranty,  indemnity or undertaking by any Lessor Party  regarding any aspect of
the  Property,  including  (a) the  condition  of the  Property  (including  any
Improvements to the Property made prior to the  Commencement  Date or during the
Term);  (b) title to the Property  (including  possession of the Property by any
Person or the existence of any Lien or any other right,  title or interest in or
to any of the  Property in favor of any  Person);  (c) the value,  habitability,
usability,  design,  operation  or  fitness  for  use of the  Property;  (d) the
availability  or adequacy of utilities and other  services to the Property;  (e)
any latent, hidden or patent defect in the Property; (f) the zoning or status of
the  Property  or any other  restrictions  on the use of the  Property;  (g) the
economics  of the  Property;  (h)  any  Casualty  or  Condemnation;  or (i)  the
compliance of the Property with any  applicable  Governmental  Rule or Insurance
Requirement;  provided, however, that Lessor shall be obligated to remove Lessor
Liens to the  extent  required  in  Subparagraph  5.04(b)  of the  Participation
Agreement. Without limiting the generality of the

                                       7




foregoing,  Lessee specifically waives any covenant of quiet enjoyment except as
otherwise provided in Subparagraph 5.04(b) of the Participation Agreement.

         2.06.  Nature of Transaction.  As more fully provided in Paragraph 2.10
of the Participation  Agreement,  Lessee and Lessor,  the Participants and Agent
(collectively,  the "Lessor  Parties") intend that the transaction  evidenced by
this Agreement and the other Operative  Documents  constitute an operating lease
in  accordance  with FASB 13 for  accounting  purposes and a loan secured by the
Property for federal,  state and local  income tax purposes and  bankruptcy  law
purposes.

         2.07.  Security,  Etc.  In order to secure the Lessee  Obligations  and
otherwise to assure the Lessor Parties the benefits hereof in the event that the
transaction  evidenced by this Agreement and the other  Operative  Documents is,
pursuant to the intent of Lessee and the Lessor  Parties,  treated as a loan for
certain  purposes,  Lessee  hereby  makes the  following  grants  and  agrees as
follows:

                  (a)  Real  Property  Security.  As  security  for  the  Lessee
         Obligations,  Lessee hereby  irrevocably  and  unconditionally  grants,
         conveys,  transfers and assigns to Lessor, as beneficiary (in trust for
         the  benefit  of the Lessor  Parties),  with power of sale and right of
         entry and possession,  all estate,  right, title and interest of Lessee
         in the  following  property,  whether now owned or hereafter  acquired,
         (collectively, the "Real Property Collateral"):

                           (i) The Land;

                           (ii) All Improvements located on the Land;

                           (iii) All Appurtenant  Rights belonging,  relating or
                  pertaining to any of the foregoing Land or Improvements;

                           (iv) All  Subleases  of and all  Issues  and  Profits
                  accruing  from  any of the  foregoing  Land,  Improvements  or
                  Appurtenant  Rights  to the  extent  that such  Subleases  and
                  Issues and Profits constitute real property;

                           (v) All Related  Goods,  Related  Permits and Related
                  Agreements related to any of the foregoing Land,  Improvements
                  or  Appurtenant  Rights to the extent that such Related Goods,
                  Related   Agreements  and  Related  Permits   constitute  real
                  property;

                           (vi) All  other  Property  to the  extent  that  such
                  property constitutes real property; and

                           (vii)  All  proceeds  of  the  foregoing,   including
                  Casualty and Condemnation Proceeds.

                  (b)  Personal  Property  Security.  As security for the Lessee
         Obligations,  Lessee hereby irrevocably and unconditionally assigns and
         grants to Lessor,  for the  benefit of the Lessor  Parties,  a security
         interest  in all  estate,  right,  title and  interest of Lessee in the

                                       8




         following   property,   whether  now  owned  or   hereafter   acquired,
         (collectively, the "Personal Property Collateral"):

                           (i) All  Subleases  of and  all  Issues  and  Profits
                  accruing  from any of the Land,  Improvements  or  Appurtenant
                  Rights  to the  extent  that such  Subleases  and  Issues  and
                  Profits constitute personal property;

                           (ii) All Related Goods,  Related  Permits and Related
                  Agreements  related  to  any  of  the  Land,  Improvements  or
                  Appurtenant  Rights to the  extent  that such  Related  Goods,
                  Related  Agreements and Related  Permits  constitute  personal
                  property;

                           (iii)  All  Cash  Collateral  and all  other  deposit
                  accounts, instruments,  investment property and monies held by
                  any Lessor  Party in  connection  with this  Agreement  or any
                  other Operative Document (including any Repair and Restoration
                  Account);

                           (iv) All other  Property to the extent such  Property
                  constitutes personal property; and

                           (v) All proceeds of the foregoing, including Casualty
                  and Condemnation Proceeds.

         For purpose of the provisions of this Agreement related to the creation
         and enforcement of this Agreement as a security agreement and a fixture
         filing with  respect to the Related  Goods,  Lessee is the "debtor" and
         Lessor is the  "secured  party,"  acting for the  benefit of the Lessor
         Parties.  This  Agreement  constitutes a fixture filing for purposes of
         the California  Commercial Code with respect to the Related Goods which
         are or are to become fixtures on the Land or Improvements.  The mailing
         addresses  of Lessee and of Lessor  from which  information  concerning
         security  interests  hereunder  may be obtained are as set forth on the
         signature  page of this  Agreement.  A  carbon,  photographic  or other
         reproduction of this Agreement or of any financing statement related to
         this Agreement shall be sufficient as a financing  statement for any of
         the purposes referenced herein.

                  (c) Absolute  Assignment  of Subleases,  Issues,  and Profits.
         Lessee  hereby  irrevocably  assigns to Lessor,  for the benefit of the
         Lessor Parties,  all of Lessee's estate,  right, title and interest in,
         to and under the  Subleases  and the Issues and  Profits,  whether  now
         owned or hereafter acquired.  This is a present and absolute assignment
         for security  purposes,  and Lessor's right to the Subleases and Issues
         and  Profits  is not  contingent  upon,  and may be  exercised  without
         possession of, the Property.

                           (i)  If no  Event  of  Default  has  occurred  and is
                  continuing,  Lessee shall have a revocable  license to collect
                  and retain the Issues and Profits as they become due. Upon the
                  occurrence and during the  continuance of an Event of Default,
                  such license  shall  automatically  terminate,  and Lessor may
                  collect  and  apply  the  Issues  and   Profits   pursuant  to
                  Subparagraph  5.02(d)  without further notice to Lessee or any
                  other party and without taking possession of the Property.

                                       9




                  All Issues and Profits thereafter collected by Lessee shall be
                  held by  Lessee as  trustee  in a  constructive  trust for the
                  benefit of Lessor.  Lessee hereby  irrevocably  authorizes and
                  directs the sublessees  under the Subleases,  without any need
                  on their part to inquire as to whether an Event of Default has
                  actually occurred or is then existing, to rely upon and comply
                  with any notice or demand by Lessor for the  payment to Lessor
                  of any  rental or other  sums  which may  become due under the
                  Subleases  or for the  performance  of any of the  sublessees'
                  undertakings under the Subleases. Collection of any Issues and
                  Profits  by  Lessor  shall not cure or waive  any  default  or
                  notice  of  default  hereunder  or  invalidate  any acts  done
                  pursuant to such notice.

                           (ii) The foregoing  irrevocable  assignment shall not
                  cause any Lessor  Party to be (A) a mortgagee  in  possession;
                  (B)   responsible  or  liable  for  (1)  the  control,   care,
                  management or repair of the Property or for  performing any of
                  Lessee's  obligations or duties under the  Subleases,  (2) any
                  waste committed on the Property by the sublessees under any of
                  the  Subleases or by any other  Persons,  (3) any dangerous or
                  defective condition of the Property,  or (4) any negligence in
                  the  management,  upkeep,  repair or control  of the  Property
                  resulting  in  loss  or  injury  or  death  to any  sublessee,
                  licensee,   employee,   invitee  or  other   Person;   or  (C)
                  responsible  for or impose  upon any Lessor  Party any duty to
                  produce rents or profits.  No Lessor Party,  in the absence of
                  gross  negligence or willful  disregard on its part,  shall be
                  liable to  Lessee  as a  consequence  of (y) the  exercise  or
                  failure to  exercise  any of the  rights,  remedies  or powers
                  granted to Lessor  hereunder  or (z) the failure or refusal of
                  Lessor  to  perform  or  discharge  any  obligation,  duty  or
                  liability of Lessee arising under the Subleases.

SECTION 3.        OTHER LESSEE AND LESSOR RIGHTS AND OBLIGATIONS.

         3.01. Maintenance, Repair, Etc.

                  (a)  General.  Lessee  shall  not  permit  any  waste  of  the
         Property,  except for ordinary  wear and tear,  and shall,  at its sole
         cost  and  expense,  maintain  the  Property  in  good  working  order,
         mechanical condition and repair and make all necessary repairs thereto,
         of every kind and nature  whatsoever,  whether  interior  or  exterior,
         ordinary or  extraordinary,  structural or nonstructural or foreseen or
         unforeseen,  in each case as  required by all  applicable  Governmental
         Rules and Insurance  Requirements  and on a basis  consistent  with the
         operation and maintenance of commercial  properties  comparable in type
         and location to the Property and in  compliance  with prudent  industry
         practice.

                  (b) New  Improvements.  Lessee  shall make or cause to be made
         all of the New Improvements authorized and required by the Construction
         Agency Agreement in accordance with the Construction Agency Agreement.

                  (c) Other Modifications. Lessee, at its sole cost and expense,
         may from time to time make alterations,  renovations,  improvements and
         additions to the Property and

                                       10




         substitutions and replacements therefor (collectively, "Modifications")
         in addition to the New Improvements; provided that:

                           (i) No  Modification  impairs  the value,  utility or
                  useful  life of the  Property  or any part  thereof  from that
                  which existed immediately prior to such Modification;

                           (ii) All Modifications are made expeditiously and, in
                  no case unless Lessee currently is exercising  either the Term
                  Purchase Option or the Expiration Date Purchase Option,  shall
                  Modifications  in  an  aggregate  amount  of  $100,000  remain
                  uncompleted  later than six (6) months prior to the  Scheduled
                  Expiration Date;

                           (iii)  All  Modifications  are  made  in a  good  and
                  workmanlike  manner  and in  compliance  with  all  applicable
                  Governmental Rules and Insurance Requirements;

                           (iv) Subject to Paragraph  3.12 relating to permitted
                  contests,  Lessee pays all costs and expenses  and  discharges
                  (or cause to be insured or bonded  over) any Liens  arising in
                  connection with any Modification not later than the earlier of
                  (A)  sixty  (60)  days  after  the same  shall  be  filed  (or
                  otherwise becomes effective) and (B)unless Lessee currently is
                  exercising  either the Term Purchase  Option or the Expiration
                  Date  Purchase  Option,  six (6) months prior to the Scheduled
                  Expiration Date;

                           (v) At least one (1) month prior to the  commencement
                  of  (A)  any  Modifications  which  are  anticipated  to  cost
                  $500,000 or more in the  aggregate,  or (B) any  Modifications
                  which cause the total of all  Modifications  undertaken during
                  the previous  twelve-month  period to exceed an aggregate cost
                  of $1,000,000, Lessee shall deliver to Lessor, with sufficient
                  copies  for  Agent  and  each  Participant,  a  brief  written
                  description of such Modifications; and

                           (vi) All  Modifications  otherwise  comply  with this
                  Agreement and the other Operative Documents.

                  (d) Abandonment.  Lessee shall not abandon the Property or any
         material  portion  thereof  for any  period  in  excess  of sixty  (60)
         consecutive  days during the term  hereof,  except as a part of any New
         Improvements  or  Modifications  as  permitted  herein  or in the other
         Operative Documents.

         3.02.  Risk of Loss.  Lessee assumes all risks of loss arising from any
Casualty or Condemnation  which arises or occurs prior to the Expiration Date or
while Lessee is in possession of the Property and all liability for all personal
injuries  and deaths and damages to property  suffered by any Person or property
on or in  connection  with the  Property  which  arises or  occurs  prior to the
Expiration Date or while Lessee is in possession of the Property, except in each
case to the extent any such loss or liability  is primarily  caused by the gross
negligence or willful  misconduct  of a Lessor  Party.  Lessee hereby waives the
provisions of California Civil

                                       11




Code Sections  1932(1),  1932(2) and 1933(4),  and any and all other  applicable
existing  or  future  Governmental  Rules  permitting  the  termination  of this
Agreement  as a result of any Casualty or  Condemnation,  and Lessor shall in no
event be  answerable or  accountable  for any risk of loss of or decrease in the
enjoyment and beneficial use of the Property as a result of any such event.

         3.03. Insurance.

                  (a)  Coverage.  Lessee,  at its sole cost and  expense,  shall
         carry and maintain the following insurance coverage:

                           (i)  At  all  times   during  the  Term,   commercial
                  liability  insurance  covering  claims for  injuries  or death
                  sustained  by  persons  or  damage  to  property  while on the
                  Property, and workers' compensation insurance;

                           (ii) At all times after  commencement of construction
                  of  any  structure,  (A)  unless  covered  by  builders'  risk
                  insurance  pursuant to clause (iii) of  Subparagraph  3.03(a),
                  property insurance covering loss or damage by earthquake in an
                  amount not less than the then  current  probable  maximum loss
                  (as  determined  by a seismic  expert  reasonably  approved by
                  Lessor and Agent and subject to a reasonable deductible of not
                  more  than 15% of the  total  value  at risk and (B)  property
                  insurance  covering  loss or damage  by fire,  flood and other
                  risks (other than  earthquake)  in an amount not less than the
                  Asset Termination Value;

                           (iii) At all times after commencement of construction
                  of any structure,  builders' risk insurance in the full amount
                  of the Asset  Termination  Value, as such may change from time
                  to time,  covering  fire,  flood,  earthquake and other normal
                  insured risks; and

                           (iv) At all  times  during  the Term as  appropriate,
                  such other  insurance  of the types  customarily  carried by a
                  reasonably  prudent  Person  owning  or  operating  properties
                  similar to the  Property  in the same  geographic  area as the
                  Property.

         Except as otherwise  specifically  required above, such insurance shall
         be in amounts,  in a form and with deductibles  reasonably  approved by
         Lessor.

                  (b) Carriers.  Any primary insurance carried and maintained by
         Lessee  pursuant to this  Paragraph  3.03 shall be  underwritten  by an
         insurance  company which (A) has, at the time such  insurance is placed
         and at the time of each renewal thereof, a general  policyholder rating
         of "A" and a financial rating of at least 10 from A.M. Best and Company
         or any successor thereto (or if there is none, an organization having a
         similar national reputation) or (B) is otherwise approved by Lessor and
         Required Participants.

                  (c) Terms. Each insurance policy maintained by Lessee pursuant
         to this  Paragraph  3.03 shall  provide  as  follows,  whether  through
         endorsements or otherwise:

                                       12




                           (i)  Lessor  and Agent  shall be named as  additional
                  insureds,  in the case of each policy of  liability  insurance
                  and property  insurance,  and additional  loss payees,  in the
                  case of each policy of property insurance.

                           (ii) In  respect  of the  interests  of Lessor in the
                  policy,  the insurance  shall not be invalidated by any action
                  or by  inaction  of Lessee or by any Person  having  temporary
                  possession of the Property while under contract with Lessee to
                  perform maintenance, repair, alteration or similar work on the
                  Property,  and shall insure the interests of Lessor regardless
                  of any breach or violation  of any  warranty,  declaration  or
                  condition contained in the insurance policy by Lessee,  Lessor
                  or any other additional insured (other than by such additional
                  insured, as to such additional  insured);  provided,  however,
                  that the  foregoing  shall not be  deemed  to (A)  cause  such
                  insurance  policies to cover matters  otherwise  excluded from
                  coverage  by the terms of such  policies  or (B)  require  any
                  insurance to remain in force  notwithstanding  non-payment  of
                  premiums except as provided in clause (iii) below.

                           (iii) If the  insurance  policy is cancelled  for any
                  reason  whatsoever,  or  substantial  change  is  made  in the
                  coverage  that  affects  the  interests  of Lessor,  or if the
                  insurance  coverage  is  allowed to lapse for  non-payment  of
                  premium,  such  cancellation,  change  or lapse  shall  not be
                  effective  as to Lessor for thirty (30) days after  receipt by
                  Lessor  of  written   notice   from  the   insurers   of  such
                  cancellation, change or lapse.

                           (iv) No Lessor  Party  shall have any  obligation  or
                  liability for premiums, commissions,  assessments, or calls in
                  connection with the insurance.

                           (v) The insurer  shall waive any rights of set-off or
                  counterclaim or any other deduction,  whether by attachment or
                  otherwise, that it may have against any Lessor Party.

                           (vi) The insurance  shall be primary without right of
                  contribution  from any other  insurance that may be carried by
                  any Lessor Party with respect to its interest in the Property.

                           (vii)   The   insurer   shall   waive  any  right  of
                  subrogation against any Lessor Party.

                           (viii) All  provisions of the  insurance,  except the
                  limits of  liability,  shall  operate in the same manner as if
                  there were a separate policy covering each insured party.

                           (ix) The insurance  shall not be  invalidated  should
                  Lessee or any Lessor Party waive, in writing, prior to a loss,
                  any or all rights of  recovery  against  any Person for losses
                  covered by such  policy,  nor shall the  insurance in favor of
                  any  Lessor  Party or  Lessee,  as the  case may be,  or their
                  respective  rights  under and  interests  in said  policies be
                  invalidated or reduced by any act or omission or

                                       13




                  negligence of any Lessee Party or Lessor,  as the case may be,
                  or any other Person having any interest in the Property.

                           (x) All insurance  proceeds with a value of less than
                  Five Million  Dollars  ($5,000,000)  in respect of any loss or
                  occurrence  with respect to the Property  shall be paid to and
                  adjusted  solely by Lessee  and all other  insurance  proceeds
                  shall be paid to Lessor  and  adjusted  jointly  by Lessor and
                  Lessee,  except  that,  from and  after  the date on which the
                  insurer  receives  written notice from Lessor that an Event of
                  Default has occurred and is  continuing  (and unless and until
                  such  insurer  receives  written  notice  from Lessor that all
                  Events  of  Default  have been  cured),  all  losses  shall be
                  adjusted  solely by, and all insurance  proceeds shall be paid
                  solely to, Lessor.

                           (xi)  Each  policy  shall  contain  a  standard  form
                  mortgagee endorsement in favor of Lessor.

                  (d)  Evidence  of  Insurance.  Lessee,  at its  sole  cost and
         expense,  shall  furnish  to  Lessor  from  time to time (i) upon  each
         renewal of  insurance  and upon any material  change in terms  thereof,
         certificates  evidencing such renewal or change and Lessee's compliance
         with the insurance  requirements  set forth in the Paragraph  3.03, and
         (ii) upon the  request of  Lessor,  such  other  certificates  or other
         documents  as  Lessor  may  reasonably  request  to  evidence  Lessee's
         compliance with the insurance  requirements set forth in this Paragraph
         3.03.

                  (e) Release of Lessor Parties.  Lessee hereby waives, releases
         and  discharges   each  Lessor  Party  and  its  directors,   officers,
         employees,  agents and advisors from all claims whatsoever  arising out
         of any loss,  claim,  expense  or damage to or  destruction  covered or
         coverable   by   insurance   required   under  this   Paragraph   3.03,
         notwithstanding  that such loss, claim, expense or damage may have been
         caused by any such  Person,  and,  as among  Lessee  and such  Persons,
         Lessee  agrees to look to the  insurance  coverage only in the event of
         such loss.

         3.04. Casualty and Condemnation.

                  (a) Notice.  Lessee shall give Lessor prompt written notice of
         the occurrence of any Material Casualty  affecting,  or the institution
         of any proceedings for the Condemnation of, the Property or any portion
         thereof.

                  (b) Repair or Purchase  Option.  After the  occurrence  of any
         Material Casualty or Condemnation affecting the Property or any portion
         thereof,  Lessee  shall  either (i) repair and restore the  Property as
         required by  Subparagraph  3.04(c) or (ii)  exercise the Term  Purchase
         Option and purchase the  Property  pursuant to the Purchase  Agreement;
         provided,  however, that Lessee may not elect to repair and restore the
         Property if such casualty or  condemnation is a Major Casualty or Major
         Condemnation  or if an Event of Default has occurred and is continuing,
         unless Lessor and the Required  Participants  shall consent in writing.
         Not later  than  forty-five  (45)  days  after  the  occurrence  of any

                                       14




         Material  Casualty or  Condemnation,  Lessee shall  deliver to Lessor a
         written  notice  indicating  whether it elects to repair and restore or
         purchase the Property.

                  (c) Repair  and  Restoration.  If Lessee  elects to repair and
         restore the Property  following any Material  Casualty or Condemnation,
         Lessee shall diligently  proceed to obtain all necessary permits and to
         repair and restore the  Property to the  condition  in which it existed
         immediately  prior to such Material  Casualty or Condemnation and shall
         use reasonable  efforts to complete all such repairs and restoration as
         soon as reasonably  practicable,  but not later than the earlier of (y)
         twelve (12) months following the occurrence of the Material Casualty or
         Condemnation  and (z) six (6) months prior to the Scheduled  Expiration
         Date unless  Lessee  currently is  exercising  either the Term Purchase
         Option or the Expiration Date Purchase Option. Lessee shall use its own
         funds to make such  repairs and  restoration,  except to the extent any
         Casualty and  Condemnation  Proceeds are  available and are released to
         Lessee for such  purpose  pursuant to  Subparagraph  3.04(f).  Lessee's
         exercise  of the  repair and  restoration  option  shall,  if Lessor or
         Required  Participants  direct,  be  subject  to  satisfaction  of  the
         following conditions:

                           (i) Within two (2) months after the occurrence of the
                  Material  Casualty or Condemnation,  Lessee shall deposit in a
                  deposit  account  acceptable  to and  controlled  by Lessor (a
                  "Repair and  Restoration  Account")  of funds  (including  any
                  Casualty and Condemnation Proceeds which are available and are
                  released to Lessee  pursuant to  Subparagraph  3.04(f)) in the
                  amount which Lessor determines is needed to complete and fully
                  pay all costs of the repair or restoration  (including  taxes,
                  financing  charges,  insurance  and  rent  during  the  repair
                  period).

                           (ii)  As  soon  as  reasonably   possible  after  the
                  occurrence of the Material  Casualty or  Condemnation,  Lessee
                  shall   establish  an   arrangement   for  lien  releases  and
                  disbursement of funds acceptable to Lessor and in a manner and
                  upon  such  terms and  conditions  as would be  required  by a
                  prudent interim construction lender.

                           (iii)  As  soon  as  reasonably  possible  after  the
                  occurrence of the Material  Casualty or  Condemnation,  Lessee
                  shall  deliver  to  Lessor  the  following,  each in form  and
                  substance acceptable to Lessor;

                                    (A)  Evidence  that  the  Property  can,  in
                           Lessor's   reasonable    judgment,    with   diligent
                           restoration or repair,  be returned to a condition at
                           least equal to the  condition  thereof  that  existed
                           prior to the Casualty or partial Condemnation causing
                           the loss or damage within the earlier to occur of (A)
                           twelve  (12)  months  after  the  occurrence  of  the
                           Casualty  or  Condemnation   and  (B)  unless  Lessee
                           currently  is  exercising  either  the Term  Purchase
                           Option or the Expiration  Date Purchase  Option,  six
                           (6) months prior to the Scheduled Expiration Date;

                                       15




                                    (B) Evidence that all necessary governmental
                           approvals  can  be  timely   obtained  to  allow  the
                           rebuilding and reoccupancy of the Property;

                                    (C)  Copies of all plans and  specifications
                           for the work;

                                    (D)  Copies of all  contracts  for the work,
                           signed  by  a  contractor  reasonably  acceptable  to
                           Lessor;

                                    (E) A cost breakdown for the work;

                                    (F) A payment and  performance  bond for the
                           work or other security satisfactory to Lessor;

                                    (G) Evidence  that,  upon  completion of the
                           work,  the  size,  capacity  and  total  value of the
                           Property  will be at least as great as it was  before
                           the Casualty or Condemnation occurred; and

                                    (H)   Evidence   of   satisfaction   of  any
                           additional   conditions   that   Lessor  or  Required
                           Participants  may  reasonably  establish  to  protect
                           their  rights  under  this  Agreement  and the  other
                           Operative Documents.

                  All plans and  specifications  for the work must be reasonably
                  acceptable to Lessor,  except that Lessor's approval shall not
                  be required if the restoration work is based on the same plans
                  and  specifications  as were  originally used to construct the
                  Property.  To the  extent  that  the  funds  in a  Repair  and
                  Restoration  Account  include both  Casualty and  Condemnation
                  Proceeds and other funds deposited by Lessee,  the other funds
                  deposited by Lessee shall be used first.  Lessee  acknowledges
                  that the specific conditions described above are reasonable.

                  (d)  Prosecution  of  Claims  for  Casualty  and  Condemnation
         Proceeds.  Lessee shall proceed promptly and diligently to prosecute in
         good  faith the  settlement  or  compromise  of any and all  claims for
         Casualty  and  Condemnation  Proceeds;   provided,  however,  that  any
         settlement or  compromise of any such claim shall,  except as otherwise
         provided  in clause  (x) of  Subparagraph  3.03(c),  be  subject to the
         written  consent of Lessor and Required  Participants,  which  consents
         shall not be  unreasonably  withheld.  Lessor  may  participate  in any
         proceedings  relating to such claims,  and,  after the  occurrence  and
         during  the  continuance  of any  Event of  Default,  Lessor  is hereby
         authorized,  in its own name or in  Lessee's  name,  to adjust any loss
         covered by insurance or any Casualty or Condemnation  claim or cause of
         action,  and to  settle or  compromise  any claim or cause of action in
         connection  therewith,  and Lessee  shall from time to time  deliver to
         Lessor any and all further  assignments and other instruments  required
         to permit such participation.

                  (e) Assignment of Casualty and Condemnation  Proceeds.  Lessee
         hereby  absolutely and  irrevocably  assigns to Lessor all Casualty and
         Condemnation  Proceeds  and all  claims  relating  thereto.  Except  as
         otherwise provided in clause (x) of Subparagraph 3.03(c), Lessee agrees
         that all  Casualty and  Condemnation  Proceeds are to be paid to Lessor
         and Lessee  hereby  authorizes  and directs any  insurer,  Governmental

                                       16




         Authority  or other  Person  responsible  for paying any  Casualty  and
         Condemnation Proceeds to make payment thereof directly to Lessor alone,
         and not to Lessor and Lessee  jointly.  If Lessee receives any Casualty
         and  Condemnation  Proceeds payable to Lessor  hereunder,  Lessee shall
         promptly pay over such  Casualty and  Condemnation  Proceeds to Lessor.
         Lessee  hereby  covenants  that until such  Casualty  and  Condemnation
         Proceeds are so paid over to Lessor,  Lessee  shall hold such  Casualty
         and Condemnation  Proceeds in trust for the benefit of Lessor and shall
         not commingle  such Casualty and  Condemnation  Proceeds with any other
         funds or assets of Lessee  or any  other  Person.  Except as  otherwise
         provided in clause (x) of  Subparagraph  3.03(c),  Lessor may commence,
         appear in, defend or prosecute any assigned right, claim or action, and
         may adjust,  compromise,  settle and  collect  all  rights,  claims and
         actions  assigned  to  Lessor,  but  shall not be  responsible  for any
         failure to collect any such right,  claim or action,  regardless of the
         cause of the failure.

                  (f) Use of Casualty and Condemnation Proceeds.

                           (i) If (A) no Event of Default  has  occurred  and is
                  continuing,  (B) Lessee  exercises the repair and  restoration
                  option pursuant to  Subparagraphs  3.04(b) and 3.04(c) and (C)
                  Lessee  complies  with  any  conditions  imposed  pursuant  to
                  Subparagraph  3.04(c);  then Lessor shall release any Casualty
                  and Condemnation  Proceeds to Lessee for repair or restoration
                  of the Property, but may condition such release and use of the
                  Casualty  and  Condemnation   Proceeds  upon  deposit  of  the
                  Casualty and Condemnation Proceeds in a Repair and Restoration
                  Account.  Lessee shall have the option, upon the completion of
                  such  restoration  of  the  Property,  to  apply  any  surplus
                  Casualty  and  Condemnation   Proceeds   remaining  after  the
                  completion of such  restoration  to the payment of Rent and/or
                  the reduction of the Outstanding Lease Amount, notwithstanding
                  that such  amounts  are not then due and  payable or that such
                  amounts are otherwise adequately secured.

                           (ii) If (A) an Event of Default has  occurred  and is
                  continuing,  (B) Lessee  fails to or is unable to comply  with
                  any conditions imposed pursuant to Subparagraph 3.04(c) or (C)
                  Lessee  elects  to  exercise  the  Term  Purchase  Option  and
                  purchase  the  Property  pursuant to the  Purchase  Agreement;
                  then,  at the absolute  discretion  of Lessor and the Required
                  Participants, regardless of any impairment of security or lack
                  of   impairment   of  security,   but  subject  to  applicable
                  Governmental  Rules governing use of Casualty and Condemnation
                  Proceeds,  if  any,  Lessor  may (1)  apply  all or any of the
                  Casualty and Condemnation Proceeds it receives to the expenses
                  of Lessor Parties in obtaining  such  proceeds;  (2) apply the
                  balance to the  payment of Rent  and/or the  reduction  of the
                  Outstanding  Lease Amount,  notwithstanding  that such amounts
                  are  not  then  due  and  payable  or that  such  amounts  are
                  otherwise  adequately  secured  and/or (3)  release all or any
                  part of such proceeds to Lessee upon any conditions Lessor and
                  the Required Participants may elect.

                                       17




                           (iii)   Lessor   shall   apply   any   Casualty   and
                  Condemnation  Proceeds  which  are to be  used to  reduce  the
                  Outstanding  Lease  Amount  only on the  last  day of a Rental
                  Period unless a Default has occurred and is continuing.

                           (iv)  Application  of  all  or  any  portion  of  the
                  Casualty and Condemnation  Proceeds, or the release thereof to
                  Lessee,  shall  not cure or waive  any  Default  or  notice of
                  default or invalidate any acts done pursuant to such notice.

         3.05. Taxes.  Subject to Paragraph 3.12 relating to permitted contests,
Lessee shall promptly pay when due all  Indemnified  Taxes imposed on or payable
by Lessee or any Lessor Party in connection with the Property, this Agreement or
any of the other Operative  Documents,  or any of the transactions  contemplated
hereby or  thereby.  As promptly as  possible  after any  Indemnified  Taxes are
payable by Lessee, Lessee shall send to Lessor for the account of the applicable
Lessor Party a copy of an original  official  receipt received by Lessee showing
payment thereof.  If Lessee fails to pay any such Indemnified  Taxes when due to
the  appropriate  taxing  authority  or fails to remit to  Lessor  the  required
receipts or other  required  documentary  evidence,  Lessee shall  indemnify the
Lessor Parties for any incremental taxes,  interest or penalties that may become
payable by the Lessor Parties as a result of any such failure.  The  obligations
of Lessee under this Paragraph 3.05 shall survive the payment and performance of
the Lessee Obligations and the termination of this Agreement.

         3.06. Environmental Matters.

                  (a)  Lessee's  Covenants.  Lessee  shall  not  cause or permit
         Hazardous  Materials  to  be  used,  generated,  manufactured,  stored,
         treated,  disposed  of,  transported  or  present  on  or  released  or
         discharged from the Property in violation of Environmental Laws that is
         reasonably  likely to have a Material  Adverse  Effect.  Lessee may use
         Hazardous  Materials in  connection  with the operation of its business
         (or the  business  of  permitted  subtenants)  so  long as such  use is
         consistent  with  the  preceding  sentence.  Other  than as  previously
         disclosed to Lessor  under the  Participation  Agreement,  Lessee shall
         immediately  notify  Lessor in writing of (i) any  knowledge  by Lessee
         that the Property does not comply with any Environmental Laws; (ii) any
         claims against Lessee or the Property  relating to Hazardous  Materials
         or pursuant  to  Environmental  Laws;  and (iii) the  discovery  of any
         occurrence  or  condition  on any  real  property  adjoining  or in the
         vicinity  of the  Property  that could  cause the  Property or any part
         thereof  to be  designated  as a  "hazardous  waste  property"  or as a
         "border zone property"  under the  provisions of California  Health and
         Safety  Code  Sections  25220  et seq.  or any  regulation  adopted  in
         accordance  therewith.  In response to the release or  discharge of any
         Hazardous  Materials  on,  under or about the  Property,  Lessee  shall
         immediately  take,  at  Lessee's  sole  expense,  all  remedial  action
         required by any  Environmental  Laws or any judgment,  consent  decree,
         settlement or compromise in respect to any claim based thereon.

                  (b)  Inspection  By Lessor.  Upon  reasonable  prior notice to
         Lessee,  Lessor,  its  employees  and  agents,  may  from  time to time
         (whether before or after the  commencement of a nonjudicial or judicial
         foreclosure proceeding), enter and inspect the Property for the purpose
         of  determining  the existence,  location,  nature and magnitude of

                                       18




         any past or present  release  or  threatened  release of any  Hazardous
         Materials into, onto,  beneath or from the Property,  provided that any
         such Person so entering  and  inspecting  the  Property  shall do so in
         compliance with the PG&E Agreements and without  materially  disrupting
         the operations of Lessee.

                  (c) Indemnity. Without in any way limiting any other indemnity
         contained in this  Agreement or any other  Operative  Document,  Lessee
         agrees to defend,  indemnify and hold  harmless the Lessor  Parties and
         the other Indemnitees from and against any claim, loss,  damage,  cost,
         expense or liability directly or indirectly arising out of (i) the use,
         generation,   manufacture,   storage,  treatment,  release,  threatened
         release,  discharge,  disposal,   transportation  or  presence  of  any
         Hazardous Materials which are found in, on, under or about the Property
         or (ii) the  breach of any  covenant,  representation  or  warranty  of
         Lessee relating to Hazardous  Materials or Environmental Laws contained
         in this  Agreement or any Operative  Document,  excluding any breach of
         the PG&E Agreements by Lessor while Lessor is in physical possession of
         the Property after an Event of Default.  This  indemnity  shall include
         (A)  the  costs,   whether   foreseeable  or   unforeseeable,   of  any
         investigation,  repair, cleanup or detoxification of the Property which
         is required by any Governmental  Authority or is otherwise necessary to
         render the Property in compliance with all Environmental  Laws; (B) all
         other direct or indirect  consequential  damages  (including  any third
         party claims,  claims by any  Governmental  Authority,  or any fines or
         penalties  against  the  Indemnitees;  and  (C)  all  court  costs  and
         attorneys'  fees  (including  expert  witness  fees and the cost of any
         consultants)  paid or incurred  by the  Indemnitees.  Lessee  shall pay
         immediately   upon  Lessor's   demand  any  amounts  owing  under  this
         indemnity.  Lessee shall use legal  counsel  reasonably  acceptable  to
         Lessor in any action or proceeding  arising under this  indemnity.  The
         obligations of Lessee under this Subparagraph 3.06(c) shall survive the
         payment and  performance of the Lessee  Obligations and the termination
         of this Agreement.

                  (d) PG&E Agreements. Lessee shall take all necessary action to
         comply  to the  fullest  extent  possible  with  all of the  terms  and
         conditions of the PG&E Agreements.  Lessor agrees that it will not take
         any  affirmative  action  which  would  constitute  a  breach  the PG&E
         Agreements,  provided that for purposes of this covenant, any action by
         Lessee under the PG&E  Agreements  shall not be deemed to be the action
         of Lessor.

                   (e) Legal Effect of Section. Lessee and Lessor agree that (i)
         this  Paragraph  3.06 and  clause  (i) of  Subparagraph  4.01(u) of the
         Participation  Agreement are intended as Lessor's  written  request for
         information  (and  Lessee's  response)   concerning  the  environmental
         condition of the real property  security as required by California Code
         of Civil  Procedure  Section  726.5  and (ii) each  representation  and
         warranty and covenant  herein and therein  (together with any indemnity
         applicable to a breach of any such  representation  and warranty)  with
         respect to the  environmental  condition of the Property is intended by
         Lessor and Lessee to be an  "environmental  provision"  for purposes of
         California Code of Civil Procedure Section 736.

         3.07. Liens, Easements, Etc.

                                       19




                  (a) Lessee's Covenants.  Subject to Paragraph 3.12 relating to
         permitted contests, Lessee shall not create, incur, assume or permit to
         exist any Lien or easement on or with respect to any of the Property of
         any character,  whether now owned or hereafter acquired, except for the
         following ("Permitted Property Liens"):

                           (i)  Liens in favor of a Lessor  Party  securing  the
                  Lessee Obligations and other Lessor Liens;

                           (ii)  Liens  and   easements   in  existence  on  the
                  Commencement  Date  to  the  extent  reflected  in  the  title
                  insurance  policies  delivered to Agent  pursuant to Paragraph
                  3.01 of and Schedule 3.01 to the  Participation  Agreement and
                  approved by Lessor;

                           (iii) Liens for taxes or other  Governmental  Charges
                  not at the  time  delinquent  or  thereafter  payable  without
                  penalty; and

                           (iv)  Liens  of  carriers,  warehousemen,  mechanics,
                  materialmen and vendors and other similar Liens imposed by law
                  incurred  in the  ordinary  course  of  business  for sums not
                  overdue.

         Subject to Paragraph 3.12 relating to permitted contests,  Lessee shall
         promptly (A) pay all Indebtedness of Lessee and other obligations prior
         to the time the  non-payment  thereof  would give rise to a Lien on the
         Property and (B) discharge,  at its sole cost and expense,  any Lien on
         the Property which is not a Permitted Property Lien.

                  (b) No Consents.  Nothing contained in this Agreement shall be
         construed as  constituting  the consent or request of any Lessor Party,
         express  or  implied,  to or for  the  performance  by any  contractor,
         mechanic,  laborer,  materialman,  supplier  or  vendor of any labor or
         services or for the  furnishing of any materials for any  construction,
         alteration, addition, repair or demolition of or to the Property or any
         part  thereof.  NOTICE IS HEREBY GIVEN THAT NO LESSOR PARTY IS OR SHALL
         BE LIABLE FOR ANY  LABOR,  SERVICES  OR  MATERIALS  FURNISHED  OR TO BE
         FURNISHED  TO LESSEE,  OR TO ANYONE  HOLDING  THE  PROPERTY OR ANY PART
         THEREOF THROUGH OR UNDER LESSEE,  AND THAT NO MECHANIC'S OR OTHER LIENS
         FOR ANY SUCH LABOR, SERVICES OR MATERIALS SHALL ATTACH TO OR AFFECT THE
         INTEREST OF ANY LESSOR PARTY IN AND TO THE PROPERTY.

         3.08.  Subletting.  Lessee may,  in the  ordinary  course of  business,
sublease the Property or any portion thereof to any Person,  provided,  that (a)
Lessee remains  directly and primarily  liable for  performing  its  obligations
under this  Agreement  and all other Lessee  Obligations;  (b) each  sublease is
subject to and  subordinated  to this  Agreement;  (c) each  sublease has a term
which  expires  on or prior to the  Scheduled  Expiration  Date (or,  if longer,
includes a provision that the sublease terminates on the Expiration Date if such
Expiration  Date occurs prior to the  Scheduled  Expiration  Date unless  Lessee
purchases  the  Property  on  the  Expiration  Date  pursuant  to  the  Purchase
Agreement);  (d) each  sublease  prohibits  the  sublessee  from engaging in any
activities  on the  Property  other  than those  permitted  by  Paragraph  2.04,
provided  that  Lessee

                                       20




may  sublease  the  Tract 2  Property  to a Person  which  occupies  the Tract 2
Property as of the date hereof and such Person may engage in  activities on such
Property in which it is engaged on the date  hereof;  and (e) no sublease  has a
Material  Adverse  Effect.  Any  sublease  which  does not  satisfy  each of the
requirements of the immediately  preceding sentence shall be null and void as to
the Lessor  Parties and their  successor and assigns.  Except for such permitted
subleases,  Lessee  shall not assign any of its rights or  interests  under this
Agreement to any other Person.

         3.09.  Utility  Charges.  Lessee shall pay all charges for electricity,
power,  gas,  oil,  water,  telephone,  sanitary  sewer  service  and all  other
utilities  and services  to, on or in  connection  with the Property  during the
Term.

         3.10.  Removal of Property.  Lessee  shall not remove any  Improvements
from the Land or any other Property from the Land or Improvements,  except that,
during  the Term,  Lessee  may remove  any  Modification  or any trade  fixture,
machinery,  equipment, inventory or other personal property if such Modification
or  property  (a) was not  financed by an  Advance,  (b) is not  required by any
applicable  Governmental  Rule  or  Insurance  Requirement  and  (c) is  readily
removable without  impairing the value,  utility or remaining useful life of the
Property.

         3.11.  Compliance with Governmental  Rules and Insurance  Requirements.
Lessee,  at its  sole  cost  and  expense,  shall,  unless  its  failure  is not
reasonably likely to have a Material Adverse Effect,  (a) comply,  and cause its
agents, sublessees,  assignees, employees, invitees, licensees,  contractors and
tenants,  and the Property to comply,  with all Governmental  Rules  (including,
without limitation,  Waste Discharge  Requirements order No. 85-80 (Ca. Regional
Water Quality Control Board, San Francisco  Region) and Consent Order Docket No.
HAS 89/90-002 (Ca.  Department of Toxic Substances  Control),  including all the
attached and ancillary documents thereto) and Insurance Requirements relating to
the Property (including the construction,  use, operation,  maintenance,  repair
and  restoration  thereof,  whether or not  compliance  therewith  shall require
structural or  extraordinary  changes in the  Improvements or interfere with the
use and enjoyment of the  Property),  and (b) procure,  maintain and comply with
all licenses,  permits,  orders,  approvals,  consents and other  authorizations
required for the  construction,  use,  maintenance and operation of the Property
and  for  the  use,  operation,  maintenance,  repair  and  restoration  of  the
Improvements.


         3.12.  Permitted  Contests.  Lessee, at its sole cost and expense,  may
contest  any  alleged  Lien or  easement  on any of the  Property or any alleged
Governmental Charge, Indebtedness or other obligation which is payable by Lessee
hereunder to Persons other than the Lessor  Parties or which,  if unpaid,  would
give rise to a Lien on any of the Property,  provided that (a) each such contest
is  diligently  pursued  in  good  faith  by  appropriate  proceedings;  (b) the
commencement and  continuation of such  proceedings  suspends the enforcement of
such  Lien  or  easement  or  the  collection  of  such   Governmental   Charge,
Indebtedness or obligation; (c) Lessee has established adequate reserves for the
discharge of such Lien or easement or the payment of such  Governmental  Charge,
Indebtedness  or  obligation  in  accordance  with GAAP and,  if the  failure to
discharge such Lien or easement or the failure to pay such Governmental  Charge,
Indebtedness  or obligation  might result in any civil  liability for any Lessor
Party,  Lessee  has  provided  to such  Lessor  Party a bond or  other  security
satisfactory  to such Lessor  Party;  (d) the failure to discharge  such Lien or
easement  or the  failure  to pay  such  Governmental  Charge,  Indebtedness

                                       21




or obligation  could not result in any criminal  liability for any Lessor Party;
(e) the  failure to  discharge  such Lien or easement or the failure to pay such
Governmental  Charge,  Indebtedness  or obligation  is not otherwise  reasonably
likely to have a Material  Adverse  Effect;  and (f) unless Lessee  currently is
exercising  either the Term  Purchase  Option or the  Expiration  Date  Purchase
Option,  any such contest is completed  and such Lien or easement is  discharged
(either pursuant to such proceedings or otherwise) or such Governmental  Charge,
Indebtedness or obligation is declared invalid,  paid or otherwise satisfied not
later than six (6) months prior to the Scheduled Expiration Date.

         3.13.  Lessor  Obligations;  Right to Perform  Lessee  Obligations.  No
Lessor  Party  shall have any  obligation  to (a)  maintain,  repair or make any
improvements  to the Property,  (b) maintain any insurance on the Property,  (c)
perform any other  obligation of Lessee under this Agreement or any other Lessee
Obligation,  (d) make any expenditure on account of the Property (except to make
Advances  as  required  by the  Participation  Agreement)  or (e) take any other
action in connection  with the Property,  this Agreement or any other  Operative
Document,  except as expressly provided herein or in another Operative Document;
provided  however,  that  Lessor  may,  in its sole  discretion  and without any
obligation to do so, perform any Lessee  Obligation not performed by Lessee when
required.  Lessor may enter the  Property or exercise  any other right of Lessee
under this  Agreement  or any other  Operative  Document  to the  extent  Lessor
determines in good faith that such entry or exercise is reasonably necessary for
Lessor to perform  any such  Lessee  Obligation  not  performed  by Lessee  when
required.  Lessee shall reimburse  Lessor and the other Lessor  Parties,  within
five (5) Business Days after demand,  for all fees, costs and expenses  incurred
by them in performing any such obligation or curing any Default.

         3.14.  Inspection  Rights.  During the Term,  Lessee  shall  permit any
Person  designated by Lessor,  upon reasonable notice and during normal business
hours, to visit and inspect any of the Property.

SECTION 4.        EXPIRATION DATE.

         4.01. Termination by Lessee Prior to Scheduled Expiration Date. Subject
to the terms and conditions of the Purchase  Agreement,  Lessee may, at any time
prior to the Scheduled  Expiration  Date,  terminate this Agreement and purchase
the  Property  pursuant to Section 2 of the  Purchase  Agreement.  Lessee  shall
notify Lessor of Lessee's  election so to terminate  this Agreement and purchase
the Property by delivering to Agent a Notice of Term  Purchase  Option  Exercise
pursuant to and in  accordance  with the  provisions  of  Paragraph  2.02 of the
Purchase Agreement.

         4.02.  Surrender of Property.  Unless Lessee  purchases the Property on
the Expiration Date pursuant to the Purchase Agreement,  Lessee shall vacate and
surrender  the  Property to Lessor on the  Expiration  Date in its  then-current
condition,  subject  to  compliance  by  Lessee  on or prior to such date of its
obligations  under this Agreement and the other Operative  Documents  (including
the completion of the New Improvements and all Modifications,  the completion of
all  permitted  contests  and the removal of all Liens  which are not  Permitted
Property  Liens of the types  described  in clauses  (i),  (ii) (iii) or (vi) of
Subparagraph 3.07(a)).

                                       22




         4.03.  Holding  Over.  If Lessee does not  purchase the Property on the
Expiration  Date pursuant to the Purchase  Agreement but continues in possession
of any portion of the Property after the Expiration Date,  Lessee shall pay rent
for each day it so continues in possession,  payable upon demand of Lessor, at a
per annum rate equal to the  Alternate  Rental Rate plus two percent  (2.0%) and
shall pay and perform all of its other Lessee  Obligations  under this Agreement
and the other Operative  Documents in the same manner as though the Term had not
ended;  provided,  however, that this Paragraph 4.03 shall not be interpreted to
permit  such  holding  over or to limit any  right or remedy of Lessor  for such
holding over.

SECTION 5.        DEFAULT.

         5.01. Events of Default. The occurrence or existence of any one or more
of the following shall constitute an "Event of Default" hereunder:

                  (a)  Non-Payment.   Lessee  shall  (i)  fail  to  pay  on  the
         Expiration  Date any amount  payable by Lessee under this  Agreement or
         any other Operative Document on such date, (ii) fail to pay within five
         (5) Business Days after any  Scheduled  Rent Payment Date any Base Rent
         payable on such  Scheduled  Rent Payment Date (other than the Base Rent
         payable  on the  Expiration  Date) or (iii) fail to pay within ten (10)
         Business  Days after the same  becomes due,  any  Supplemental  Rent or
         other amount  required  under the terms of this  Agreement or any other
         Operative   Document  (other  than  any  such  amount  payable  on  the
         Expiration Date or Base Rent); or

                  (b) Specific Defaults. Lessee or any of its Subsidiaries shall
         fail to observe or  perform  any  covenant,  obligation,  condition  or
         agreement  set  forth  in  Subparagraph  3.01(d),   Paragraph  3.03  or
         Subparagraph 3.07(a) hereof, in Subparagraph 2.01(c), Paragraph 5.02 or
         Paragraph 5.03 of the  Participation  Agreement or in Paragraph 3.01 of
         the Construction Agency Agreement; or

                  (c) Other Defaults.  Lessee or any of its  Subsidiaries  shall
         fail to observe or perform any other covenant, obligation, condition or
         agreement  contained in this Agreement or any other Operative  Document
         and such failure shall  continue for a period of thirty (30) days after
         written  notice  thereof from Lessor;  provided,  however,  that in the
         event that such failure  cannot  reasonably be cured within such thirty
         (30) day period,  such failure shall not constitute an Event of Default
         hereunder so long as Lessee  shall have  commenced to cure such failure
         within  such  thirty  (30) day period and shall  thereafter  diligently
         pursue such cure to  completion,  provided  further  that such  failure
         shall in all events be cured by the earlier of (i) the Expiration  Date
         and (ii) one hundred and eighty days (180) days after  Lessor's  notice
         thereof; or

                  (d)  Representations   and  Warranties.   Any  representation,
         warranty,  certificate,  information or other  statement  (financial or
         otherwise)  made or  furnished  by or on behalf of Lessee or any of its
         Subsidiaries  to  any  Lessor  Party  in or  in  connection  with  this
         Agreement or any other Operative  Document,  or as an inducement to any
         Lessor  Party to enter  into  this  Agreement  or any  other  Operative
         Document,  shall be false,  incorrect,  incomplete or misleading in any
         material respect when made or furnished and Lessee

                                       23




         shall  not  have  cured  the  facts  or   circumstances   causing  such
         representation,  warranty,  certificate or other statement to be false,
         incorrect,  incomplete or misleading  within thirty (30) days of notice
         thereof from Lessor; or

                   (e)  Cross-Default.  Lessee  or any of its  Subsidiaries  (i)
         shall fail to make any payment when due on account of any  Indebtedness
         or  Contingent   Obligation  of  such  Person   (excluding  the  Lessee
         Obligations  but  including  all  other   Indebtedness  and  Contingent
         Obligations of Lessee or any of its  Subsidiaries  to any Lessor Party)
         and such failure  shall  continue  beyond any period of grace  provided
         with respect thereto,  if the amount of such payment exceeds $5,000,000
         or the  effect of such  failure  is to cause,  or permit  the holder or
         holders thereof to cause, Indebtedness and/or Contingent Obligations in
         an aggregate  amount  exceeding  $5,000,000 to become due or (ii) shall
         default in the observance or performance of any other  agreement,  term
         or condition  contained in any agreement or instrument  evidencing such
         Indebtedness or Contingent Obligation, if the effect of such default is
         to  cause,   or  permit  the  holder  or  holders   thereof  to  cause,
         Indebtedness  and/or  Contingent  Obligations  in an  aggregate  amount
         exceeding $5,000,000 to become due; or

                  (f) Insolvency,  Voluntary  Proceedings.  Lessee or any of its
         Subsidiaries  shall (i) apply for or  consent to the  appointment  of a
         receiver,  trustee,  liquidator  or  custodian of itself or of all or a
         substantial part of its property,  (ii) be unable,  or admit in writing
         its inability,  to pay its debts generally as they mature, (iii) make a
         general assignment for the benefit of its or any of its creditors, (iv)
         be dissolved or liquidated in full or in part, (v) become insolvent (as
         such term may be defined or interpreted under any applicable  statute),
         (vi) commence a voluntary case or other proceeding seeking liquidation,
         reorganization  or other  relief  with  respect  to itself or its debts
         under any bankruptcy,  insolvency or other similar law now or hereafter
         in effect or consent  to any such  relief or to the  appointment  of or
         taking  possession  of its property by any  official in an  involuntary
         case or other proceeding  commenced against it, or (vi) take any action
         for the purpose of effecting any of the foregoing; or

                  (g) Involuntary  Proceedings.  Proceedings for the appointment
         of a receiver, trustee, liquidator or custodian of Lessee or any of its
         Subsidiaries or of all or a substantial  part of the property  thereof,
         or an  involuntary  case  or  other  proceedings  seeking  liquidation,
         reorganization  or other  relief  with  respect to Lessee or any of its
         Subsidiaries or the debts thereof under any  bankruptcy,  insolvency or
         other  similar law now or hereafter in effect shall be commenced and an
         order for relief entered or such  proceeding  shall not be dismissed or
         discharged within sixty (60) days of commencement; or

                  (h)  Judgments.  (i) A final judgment or order for the payment
         of money in excess of  $5,000,000  (exclusive  of  amounts  covered  by
         insurance issued by an insurer not an Affiliate of Lessee and otherwise
         satisfying the requirements set forth in Subparagraph 5.01(d)) shall be
         rendered  against Lessee or any of its  Subsidiaries and the same shall
         remain  undischarged  for a period  of sixty  (60)  days  during  which
         execution shall not be effectively  stayed or (ii) any judgment,  writ,
         assessment,  warrant of  attachment,  tax lien or  execution or similar
         process  shall be issued or levied  against a

                                       24




         substantial  part of the property of Lessee or any of its  Subsidiaries
         and such  judgment,  writ,  or similar  process  shall not be released,
         stayed,  vacated or  otherwise  dismissed  within sixty (60) days after
         issue or levy; or

                  (i)  Operative  Documents.   Any  Operative  Document  or  any
         material  term  thereof  shall cease to be, or be asserted by Lessee or
         any of  its  Subsidiaries  not  to  be,  a  legal,  valid  and  binding
         obligation  of  Lessee  or  any  of  its  Subsidiaries  enforceable  in
         accordance with its terms; or

                  (j) ERISA. Any Reportable Event which constitutes  grounds for
         the  termination  of any  Employee  Benefit Plan by the PBGC or for the
         appointment of a trustee by the PBGC to administer any Employee Benefit
         Plan shall  occur,  or any Employee  Benefit  Plan shall be  terminated
         within the meaning of Title IV of ERISA or a trustee shall be appointed
         by the PBGC to administer any Employee Benefit Plan; or

                  (k) Change of Control. Any Change of Control shall occur; or

                  (l) Major  Casualty  or  Condemnation.  Any Major  Casualty or
         Major Condemnation affecting the Property shall occur; or

                  (m) Material  Adverse  Effect.  Any  event(s) or  condition(s)
         which has a Material Adverse Effect shall occur or exist.

         5.02. General Remedies.  In all cases, upon the occurrence or existence
of any Event of Default and at any time thereafter  unless such Event of Default
is waived, Lessor may, with the consent of the Required Participants,  or shall,
upon  instructions from the Required  Participants,  exercise any one or more of
the following rights and remedies (except that the remedy set forth in the first
sentence of Subparagraph 5.02(a) shall be automatic):

                  (a) Termination of Commitments. If such Event of Default is an
         Event of  Default  of the type  described  in  Subparagraph  5.01(f) or
         Subparagraph  5.01(g) affecting Lessee,  immediately and without notice
         the  obligation of Lessor to make Advances and the  obligations  of the
         Participants to fund Advances shall  automatically  terminate.  If such
         Event of Default is any other Event of  Default,  Lessor may by written
         notice to Lessee,  terminate the  obligation of Lessor to make Advances
         and the obligations of the Participants to fund Advances.

                  (b)  Appointment of a Receiver.  Lessor may apply to any court
         of competent  jurisdiction  for, and obtain  appointment of, a receiver
         for the Property.

                  (c)  Specific  Performance.  Lessor may bring an action in any
         court of competent  jurisdiction to obtain specific  enforcement of any
         of the covenants or  agreements  of Lessee in this  Agreement or any of
         the other Operative Documents.

                  (d)  Collection  of Issues and  Profits.  Lessor  may  collect
         Issues and Profits as provided  in  Subparagraph  2.07(c) and apply the
         proceeds to pay Lessee Obligations.

                                       25




                  (e) Protection of Property.  Lessor may enter, take possession
         of,  manage and  operate  all or any part of the  Property  or take any
         other actions which it reasonably  determines  are necessary to protect
         the Property and the rights and  remedies of the Lessor  Parties  under
         this Agreement and the other Operative Documents,  including (i) taking
         and  possessing  all of  Lessee's  books and  records  relating  to the
         Property;  (ii)  entering  into,  enforcing,  modifying,  or  canceling
         subleases on such terms and  conditions as Lessor may consider  proper;
         (iii) obtaining and evicting tenants; (iv) fixing or modifying sublease
         rents;  (v)  collecting  and  receiving  any  payment of money owing to
         Lessee;  (vi)  completing  any  unfinished  Improvements;  and/or (vii)
         contracting for and making repairs and alterations.

                  (f)  Termination  of Agency.  Lessor may  terminate all or any
         portion of the authority of Lessee,  as agent,  under the  Construction
         Agency Agreement.

                  (g) Other  Rights and  Remedies.  In addition to the  specific
         rights  and  remedies  set forth  above in this  Paragraph  5.02 and in
         Paragraph 5.03 and Paragraph 5.04, Lessor may exercise any other right,
         power or remedy  permitted to it by any applicable  Governmental  Rule,
         either by suit in equity or by action at law, or both.

         5.03.  Lease Remedies.  If the transaction  evidenced by this Agreement
and the other Operative  Documents is treated as a lease, upon the occurrence or
existence of any Event of Default and at any time  thereafter  unless such Event
of Default is waived, Lessor may, with the consent of the Required Participants,
or shall, upon instructions from the Required Participants,  exercise any one or
more of the  following  rights and  remedies  in  addition  to those  rights and
remedies set forth in Paragraph 5.02:

                  (a)  Termination  of Lease.  Lessor may, by written  notice to
         Lessee,  terminate this Agreement on a Termination  Date which is prior
         to the Scheduled  Expiration Date,  subject to Subparagraph  3.02(1) of
         the Purchase Agreement.  Such Termination Date shall be the last day of
         a Rental Period unless Required Participants shall otherwise direct. On
         such Termination Date (which shall then be the Expiration Date), Lessee
         shall  pay  all  unpaid  Base  Rent  accrued  through  such  date,  all
         Supplemental  Rent due and  payable  on or  prior to such  date and all
         other amounts payable by Lessee on the Expiration Date pursuant to this
         Agreement and the other Operative  Documents.  Lessee also shall pay to
         Lessor,  in addition to all accrued Base Rent, the worth at the time of
         such  payment of the amount by which the unpaid  Base Rent  through the
         Scheduled  Expiration  Date  exceeds the amount of such rental loss for
         the same period that Lessee proves could reasonably be avoided.

                  (b) Continuation of Lease.  Lessor may exercise the rights and
         remedies  provided by California  Civil Code Section 1951.4,  including
         the right to continue this  Agreement in effect after  Lessee's  breach
         and abandonment and recover Rent as it becomes due. Acts of maintenance
         or  preservation,  efforts to relet the Property,  the appointment of a
         receiver  upon Lessor's  initiative to protect its interest  under this
         Agreement or withholding consent to or terminating a sublease shall not
         of themselves constitute a termination of Lessee's right to possession.

                                       26




                  (c)  Removal  and  Storage of  Property.  Lessor may enter the
         Property  and remove  therefrom  all Persons and  property,  store such
         property in a public  warehouse or elsewhere at the cost of and for the
         account  of Lessee  and sell  such  property  and  apply  the  proceeds
         therefrom pursuant to applicable California law.

         5.04. Loan Remedies. If the transaction evidenced by this Agreement and
the other  Operative  Documents  is treated as a loan,  upon the  occurrence  or
existence of any Event of Default and at any time  thereafter  unless such Event
of Default is waived, Lessor may, with the consent of the Required Participants,
or shall, upon instructions from the Required Participants,  exercise any one or
more of the  following  rights and  remedies  in  addition  to those  rights and
remedies set forth in Paragraph 5.02:

                  (a) Acceleration of Lessee Obligations. Lessor may, by written
         notice to Lessee,  terminate this Agreement on a Termination Date which
         is prior to the  Scheduled  Expiration  Date,  subject to  Subparagraph
         3.02(1) of the  Purchase  Agreement,  and  declare  all  unpaid  Lessee
         Obligations due and payable on such Termination  Date. Such Termination
         Date  shall  be  the  last  day  of a  Rental  Period  unless  Required
         Participants  shall otherwise  direct.  On such Termination Date (which
         shall then be the  Expiration  Date),  Lessee shall pay all unpaid Base
         Rent accrued through such date, all  Supplemental  Rent due and payable
         on or prior to such date and all other amounts payable by Lessee on the
         Expiration  Date  pursuant to this  Agreement  and the other  Operative
         Documents.

                  (b) Uniform Commercial Code Remedies.  Lessor may exercise any
         or all of the remedies  granted to a secured party under the California
         Uniform Commercial Code.

                  (c)  Judicial  Foreclosure.  Lessor may bring an action in any
         court of competent  jurisdiction to foreclose the security  interest in
         the  Property  granted to Lessor by this  Agreement or any of the other
         Operative Documents.

                  (d)  Power  of  Sale.  Lessor  may  cause  some  or all of the
         Property,  including any Personal  Property  Collateral,  to be sold or
         otherwise disposed of in any combination and in any manner permitted by
         applicable Governmental Rules.

                           (i) Sales of Personal Property. Lessor may dispose of
                  any Personal Property  Collateral  separately from the sale of
                  Real Property Collateral,  in any manner permitted by Division
                  9 of the California  Uniform  Commercial  Code,  including any
                  public or  private  sale,  or in any manner  permitted  by any
                  other applicable  Governmental  Rule. Any proceeds of any such
                  disposition  shall not cure any Event of Default or  reinstate
                  any Lessee  Obligation  for  purposes of Section  2912c of the
                  California  Civil Code.  In  connection  with any such sale or
                  other disposition, Lessee agrees that the following procedures
                  constitute a commercially reasonable sale:

                                    (A) Lessor shall mail written  notice of the
                           sale to Lessee not later than  thirty (30) days prior
                           to such sale.

                                       27




                                    (B) Once per week during the three (3) weeks
                           immediately  preceding such sale, Lessor will publish
                           notice  of the  sale in a local  daily  newspaper  of
                           general circulation.

                                    (C) Upon  receipt  of any  written  request,
                           Lessor will make the  Property  available to any bona
                           fide  prospective  purchaser  for  inspection  during
                           reasonable business hours.

                                    (D)  Notwithstanding,  Lessor shall be under
                           no  obligation  to  consummate  a  sale  if,  in  its
                           judgment,  none of the offers  received  by it equals
                           the fair value of the Property offered for sale.

                                    (E) If  Lessor  so  requests,  Lessee  shall
                           assemble all of the Personal Property  Collateral and
                           make it  available to Lessor at the site of the Land.
                           Regardless of any provision of this  Agreement or any
                           other  Operative   Document,   Lessor  shall  not  be
                           considered to have  accepted any property  other than
                           cash or immediately  available  funds in satisfaction
                           of any  Lessee  Obligation,  unless  Lessor has given
                           express written notice of its election of that remedy
                           in accordance with California Uniform Commercial Code
                           Section 9505.

                  The foregoing procedures do not constitute the only procedures
                  that may be commercially reasonable.

                           (ii)  Lessor's   Sales  of  Real  Property  or  Mixed
                  Collateral. Lessor may choose to dispose of some or all of the
                  Property which consists solely of Real Property  Collateral in
                  any manner then permitted by applicable Governmental Rules. In
                  its  discretion,  Lessor may also or  alternatively  choose to
                  dispose  of some or all of the  Property,  in any  combination
                  consisting  of both  Real  Property  Collateral  and  Personal
                  Property  Collateral,  together  in one  sale  to be  held  in
                  accordance  with  the law and  procedures  applicable  to real
                  property,  as permitted by Section  9501(4) of the  California
                  Uniform  Commercial  Code  (ORS  Section  79.5010(4)).  Lessee
                  agrees  that  such  a sale  of  Personal  Property  Collateral
                  together   with  Real   Property   Collateral   constitutes  a
                  commercially   reasonable   sale  of  the  Personal   Property
                  Collateral. (For purposes of this power of sale, either a sale
                  of Real  Property  Collateral  alone,  or a sale of both  Real
                  Property  Collateral and Personal Property Collateral together
                  in accordance with California  Uniform Commercial Code Section
                  9501(4), will sometimes be referred to as a "Lessor's Sale.")

                                    (A) Before any Lessor's  Sale,  Lessor shall
                           give such notice of default  and  election to sell as
                           may  then  be  required  by  applicable  Governmental
                           Rules.

                                    (B)  When  all  time  periods  then  legally
                           mandated have expired,  and after such notice of sale
                           as may  then be  legally  required  has  been

                                       28




                           given, Lessor shall sell the property being sold at a
                           public  auction  to be held  at the  time  and  place
                           specified in the notice of sale.

                                    (C) Neither  Lessor nor Agent shall have any
                           obligation  to  make  demand  on  Lessee  before  any
                           Lessor's Sale.

                                    (D)  From  time to time in  accordance  with
                           then applicable law, Lessor may postpone any Lessor's
                           Sale by  public  announcement  at the time and  place
                           noticed for that sale.

                                    (E) At any Lessor's Sale,  Lessor shall sell
                           to the highest  bidder at public  auction for cash in
                           lawful money of the United States.

                                    (F) Lessor shall  execute and deliver to the
                           purchaser(s)  a deed or deeds  conveying the Property
                           being  sold   without   any   covenant   or  warranty
                           whatsoever,  express or implied.  The recitals in any
                           such  deed of any  matters  or facts,  including  any
                           facts bearing upon the  regularity or validity of any
                           Lessor's  Sale,  shall be  conclusive  proof of their
                           truthfulness.  Any  such  deed  shall  be  conclusive
                           against all Persons as to the facts recited in it.

                  (e) Foreclosure Sales.

                           (i) Single or Multiple.  If the Property  consists of
                  more than one lot, parcel or item of property, Lessor may:

                                    (A)  Designate  the order in which the lots,
                           parcels  and/or items shall be sold or disposed of or
                           offered for sale or disposition; and

                                    (B) Elect to  dispose  of the lots,  parcels
                           and/or items  through a single  consolidated  sale or
                           disposition  to be held or made  under  the  power of
                           sale   granted  in   Subparagraph   5.04(d),   or  in
                           connection with judicial proceedings, or by virtue of
                           a judgment  and decree of  foreclosure  and sale;  or
                           through two or more such sales or dispositions; or in
                           any other  manner  Lessor  may deem to be in its best
                           interests   (any   such   sale  or   disposition,   a
                           "Foreclosure  Sale;"  any two or  more,  "Foreclosure
                           Sales").

                  If Lessor  chooses  to have more  than one  Foreclosure  Sale,
                  Lessor at its  option  may cause the  Foreclosure  Sales to be
                  held  simultaneously  or successively,  on the same day, or on
                  such different  days and at such  different  times and in such
                  order  as it  may  deem  to  be  in  its  best  interests.  No
                  Foreclosure  Sale  shall  terminate  or  affect  the  security
                  interests  granted to Lessor in the Property by this Agreement
                  on any part of the Property which has not been sold, until all
                  of the Lessee Obligations have been paid in full.

                           (ii)  Credit  Bids.  At  any  Foreclosure  Sale,  any
                  Person,  including any Lessor  Party,  may bid for and acquire
                  the Property or any part of it to the extent permitted by then
                  applicable Governmental Rules. Instead of paying cash for that

                                       29




                  property,   Lessor  may  settle  for  the  purchase  price  by
                  crediting  the sales price of the Property  against the Lessee
                  Obligations in any order and proportions as Lessor in its sole
                  discretion may choose.

         5.05. Remedies Cumulative. The rights and remedies of Lessor under this
Agreement and the other Operative  Documents are cumulative and may be exercised
singularly, successively, or together.

         5.06. No Cure or Waiver.  Neither the  performance  by Lessor of any of
Lessee's  obligations  pursuant to Paragraph  3.13 nor the exercise by Lessor of
any of its other rights and remedies under this Agreement or any other Operative
Document  (including  the  collection of Issues and Profits and the  application
thereof  to the Lessee  Obligations)  shall  constitute  a cure or waiver of any
Default or nullify the effect of any notice of default or sale, unless and until
all Lessee Obligations are paid in full.

         5.07. Exercise of Rights and Remedies. The rights and remedies provided
to Lessor  under this  Agreement  may be exercised  by Lessor  itself,  by Agent
pursuant  to  Subparagraph  2.02(c)  of  the  Participation   Agreement,   by  a
court-appointed  receiver  or by  any  other  Person  appointed  by  any  of the
foregoing  to act on its behalf.  All of the  benefits  afforded to Lessor under
this Agreement and the other Operative  Documents shall accrue to the benefit of
Agent to the  extent  provided  in  Subparagraph  2.02(c)  of the  Participation
Agreement.

SECTION 6.        MISCELLANEOUS.

         6.01.  Notices.  Except as  otherwise  specified  herein,  all notices,
requests,  demands,  consents,  instructions or other  communications to or upon
Lessee or Lessor under this Agreement shall be given as provided in Subparagraph
2.02(c) and Paragraph 7.01 of the Participation Agreement.

         6.02. Waivers;  Amendments. Any term, covenant,  agreement or condition
of this Agreement may be amended or waived only as provided in the Participation
Agreement.  No  failure  or delay by any Lessor  Party in  exercising  any right
hereunder  shall operate as a waiver thereof or of any other right nor shall any
single or partial exercise of any such right preclude any other further exercise
thereof or of any other right.  Unless otherwise specified in any such waiver or
consent,  a waiver or consent  given  hereunder  shall be effective  only in the
specific instance and for the specific purpose for which given.

         6.03.  Successors and Assigns. This Agreement shall be binding upon and
inure to the  benefit of the  Lessor  Parties  and  Lessee  and their  permitted
successors and assigns;  provided,  however,  that the Lessor Parties and Lessee
shall not sell,  assign or  delegate  their  respective  rights and  obligations
hereunder except as provided in the Participation Agreement.

         6.04. No Third Party Rights. Nothing expressed in or to be implied from
this  Agreement is intended to give, or shall be construed to give,  any Person,
other than the Lessor  Parties  and Lessee and their  permitted  successors  and
assigns,  any benefit or legal or equitable

                                       30




right,  remedy  or claim  under or by virtue  of this  Agreement  or under or by
virtue of any provision herein.  6.05.  Partial  Invalidity.  If at any time any
provision of this Agreement is or becomes  illegal,  invalid or unenforceable in
any respect under the law or any jurisdiction, neither the legality, validity or
enforceability  of the remaining  provisions of this Agreement nor the legality,
validity  or  enforceability  of  such  provision  under  the  law of any  other
jurisdiction shall in any way be affected or impaired thereby.

         6.06.  Governing Law. This Agreement shall be governed by and construed
in  accordance  with the laws of the State of  California  without  reference to
conflicts of law rules.

         6.07.  Counterparts.  This  Agreement  may be executed in any number of
identical counterparts,  any set of which signed by all the parties hereto shall
be deemed to constitute a complete, executed original for all purposes.

         6.08. Nature of Lessee's Obligations.

                  (a)  Independent  Obligation.  The obligation of Lessee to pay
         the  amounts  payable  by Lessee  under  this  Agreement  and the other
         Operative  Documents  and to perform the other  Lessee  Obligation  are
         absolute,  unconditional and irrevocable obligations which are separate
         and  independent  of the  obligations  of the Lessor Parties under this
         Agreement  and the other  Operative  Documents and all other events and
         circumstances,  including  the  events and  circumstances  set forth in
         Subparagraph 6.08(c).

                  (b) No Termination or Abatement.  This Agreement and the other
         Operative  Documents and Lessee's obligation to pay Rent and to pay and
         perform all other Lessee  Obligations  shall continue in full force and
         effect without abatement notwithstanding the occurrence or existence of
         any event or  circumstance,  including  any event or  circumstance  set
         forth in Subparagraph 6.08(c).

                  (c)  Full  Payment  and  Performance.  Lessee  shall  make all
         payments under this Agreement and the other Operative  Documents in the
         full amounts and at the times  required by the terms of this  Agreement
         and  the  other  Operative  Documents  without  setoff,   deduction  or
         reduction of any kind and shall perform all other Lessee Obligations as
         and  when  required,  without  regard  to any  event  or  circumstances
         whatsoever,  including (i) the condition of the Property (including any
         Improvements  to the Property  made prior to the  Commencement  Date or
         during the Term); (ii) title to the Property  (including  possession of
         the  Property by any Person or the  existence  of any Lien or any other
         right,  title or interest in or to any of the  Property in favor of any
         Person); (iii) the value, habitability, usability, design, operation or
         fitness for use of the Property;  (iv) the  availability or adequacy of
         utilities and other services to the Property; (v) any latent, hidden or
         patent  defect  in the  Property;  (vi) the  zoning  or  status  of the
         Property or any other restrictions on the use of the Property;  (g) the
         economics of the Property;  (vii) any Casualty or Condemnation;  (viii)
         the compliance of the Property with any applicable Governmental Rule or
         Insurance Requirement;  (ix) any failure by any Lessor Party to perform
         any of its  obligations  under this  Agreement  or any other  Operative
         Document;  or

                                       31




         (x) the exercise by any Lessor Party of any of its remedies  under this
         Agreement or any other Operative Document; provided, however, that this
         Paragraph  6.08 shall not  abrogate  any right which Lessee may have to
         recover  damages from any Lessor Party for any material  breach by such
         Lessor  Party of its  obligations  under  this  Agreement  or any other
         Operative Document to the extent permitted hereunder or thereunder.

                                       32




         IN WITNESS WHEREOF,  Lessee and Lessor have caused this Agreement to be
executed as of the day and year first above written.


LESSEE:                                   FAIR, ISAAC AND COMPANY, INC.,
                                          a Delaware corporation

                                          By: __________________________________
                                              Name:  Michael C. Gordon
                                              Title: Vice President - Facilities
                                                     Administration

                                          Fair, Isaac and Company, Inc.
                                          120 North Redwood Drive
                                          San Rafael, CA 94903-1996
                                          Attn:  Peter L. McCorkell,
                                                 General Counsel
                                          Tel. No:  415-472-2211
                                          Fax. No:  415-444-5029


LESSOR:                                   LEASE PLAN NORTH AMERICA, INC.,
                                          an Illinois corporation

                                          By: __________________________________
                                              Name:  Jamie Dillon
                                              Title: Attorney-in-fact

                                          Lease Plan North America, Inc.
                                          c/o ABN AMRO Bank N.V.
                                          135 South LaSalle Street, Suite 711
                                          Chicago, IL 60603
                                          Attn: David M. Shipley
                                          Tel. No: (312) 904-2183
                                          Fax. No: (312) 904-6217

                                       33




STATE OF CALIFORNIA                 )
                                    )        ss
COUNTY OF  _________________________)


         On _____________,  1998, before me, ___________________ a Notary Public
in and for the State of California, personally appeared , personally known to me
(or  proved to me on the basis of  satisfactory  evidence)  to be the  person(s)
whose name(s) is/are  subscribed to the within instrument and acknowledged to me
that he/she/they  executed the same in his/her/their  authorized  capacity(ies),
and that by  his/her/their  signature(s)  on the instrument the person(s) or the
entity on behalf of which the person(s) acted, executed the instrument.

         Witness my hand and official seal.


[SEAL]

       ______________________________________________






STATE OF CALIFORNIA                 )
                                    )        ss
COUNTY OF  _________________________)


         On _____________,  1998, before me, ___________________ a Notary Public
in and for the State of California, personally appeared , personally known to me
(or  proved to me on the basis of  satisfactory  evidence)  to be the  person(s)
whose name(s) is/are  subscribed to the within instrument and acknowledged to me
that he/she/they  executed the same in his/her/their  authorized  capacity(ies),
and that by  his/her/their  signature(s)  on the instrument the person(s) or the
entity on behalf of which the person(s) acted, executed the instrument.

         Witness my hand and official seal.


[SEAL]

       ______________________________________________




                                    EXHIBIT A

                                      LAND

                      PART 1 - PROPERTY PURCHASED FROM PG&E







                                      A-1




               PART 2 - PROPERTY PURCHSED FROM CITY OF SAN RAFAEL







                                      A-1




                                    EXHIBIT B

                                  RELATED GOODS








                                      B-1




                                  EXHIBIT B(1)
                   SUPPLEMENT TO EXHIBIT B TO LEASE AGREEMENT


                                     [Date]

Lease Plan North America, Inc.
c/o ABN AMRO Bank N.V.
      as Agent
Capital Markets-Syndication Group
1325 Avenue of the Americas, 9th Floor
New York, NY 10019
Attn: Linda Boardman

         1. Reference is made to that certain Lease Agreement, Construction Deed
of Trust with Assignment of Rents,  Security Agreement and Fixture Filing, dated
as of  ____________,  1998 (the  "Lease  Agreement"),  between  Fair,  Isaac and
Company, Inc. ("Lessee") and Lease Plan North America, Inc. ("Lessor").

         2. Lessee hereby  agrees that the  description  of "Related  Goods" set
forth in  Exhibit  B to the  Lease  Agreement  shall be  supplemented  by adding
thereto the Related  Goods  described  in  Attachment  1 hereto.  Lessee  hereby
accepts all such  Related  Goods and agrees that such Related  Goods  constitute
part of the Property subject to the Lease Agreement.

         IN WITNESS WHEREOF, Lessee has executed this Supplement to Exhibit B on
the date set forth above.

LESSEE:                                      FAIR, ISAAC AND COMPANY, INC.,
                                             a Delaware corporation

                                             By: _______________________________
                                                 Name: _________________________
                                                 Title: ________________________

                                     B(1)-1




                                  ATTACHMENT 1
                                       TO
                             SUPPLEMENT TO EXHIBIT B














                                      C-1




                                    EXHIBIT C

                        NOTICE OF RENTAL PERIOD SELECTION

                                     [Date]

Lease Plan North America, Inc.
c/o ABN AMRO Bank N.V.
      as Agent
Capital Markets-Syndications Group
1325 Avenue of the Americas, 9th Floor
New York, NY  10019
Attn:  Linda Boardman

         1. Reference is made to that certain Participation Agreement,  dated as
of May 15, 1998 (the "Participation Agreement"),  among Fair, Isaac and Company,
Inc.  ("Lessee"),  Lease Plan North  America,  Inc.  ("Lessor"),  the  financial
institutions   listed  in  Schedule  I  to  the  Participation   Agreement  (the
"Participants")  and ABN AMRO Bank N.V., as agent for the  Participants (in such
capacity,  "Agent").  Unless  otherwise  indicated,  all  terms  defined  in the
Participation Agreement have the same respective meanings when used herein.

         2. [Insert one of the following as appropriate]

                  [Pursuant  to  Subparagraph  2.03(a)  of the Lease  Agreement,
Lessee  hereby  irrevocably  selects a new  Rental  Period  for a Portion of the
Outstanding Lease Amount as follows:

                  (a)  The  Portion  for  which  a new  Rental  Period  is to be
         selected  is the  Portion in the amount of  $__________  with a current
         Rental  Period  which began on ________,  ____ and ends on  __________,
         ____; and

                  (b)  The  next  Rental   Period  for  such  Portion  shall  be
         __________ month[s].]

                  [Pursuant  to  Subparagraph  2.03(a)  of the Lease  Agreement,
Lessee hereby  irrevocably  elects to divide a Portion of the Outstanding  Lease
Amount into further Portions as follows:

                  (a) The  Portion  which is to be divided is the Portion in the
         amount of  $__________  with a current  Rental  Period  which  began on
         ________, ____ and ends on __________, ____; and

                  (b) On the  last day of the  current  Rental  Period  for such
         Portion, such Portion is to be divided into the following Portions with
         the following initial Rental Periods:

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                    Portion                          Rental Period
                    -------                          -------------
                  $___________                       _______ month[s]
                  $___________                       _______ month[s]
                  $___________                       _______ month[s]
                  $___________                       _______ month[s]]

                  [Pursuant  to  Subparagraph  2.03(a)  of the Lease  Agreement,
Lessee  hereby  irrevocably  elects to  combine  into a single  Portion  certain
Portions of the Outstanding Lease Amount as follows:

                  (a) The Portions  which are to be combined are the Portions in
         the  amounts  of  $__________,  $_________  and  $_______,  each with a
         current Rental Period which ends on __________, ____; and

                  (b) The initial  Rental Period for such newly created  Portion
         shall be __________ month[s].]

                  [Pursuant  to  Subparagraph  2.03(a)  of the Lease  Agreement,
Lessee hereby  elects the Fixed Rate option for a Rental  Period of  ___________
months with respect to a Portion equal to $________. Lessee hereby requests that
Lessor to provide a Fixed Rate.]

         3. Lessee hereby  certifies to the Lessor  Parties that, on the date of
this Notice of Rental Period Selection and after giving effect to the selections
described above:

                  (a) The  representations and warranties of Lessee set forth in
         Paragraph  4.01  of  the  Participation  Agreement  and  in  the  other
         Operative Documents are true and correct in all material respects as if
         made on such date (except for representations and warranties  expressly
         made as of a specified date, which shall be true as of such date);

                  (b) No Default has occurred and is continuing; and

                  (c)  All of the  Operative  Documents  are in full  force  and
         effect.

         IN WITNESS  WHEREOF,  Lessee has executed  this Notice of Rental Period
Selection on the date set forth above.


                                             FAIR, ISAAC AND COMPANY, INC.

                                             By: _______________________________
                                                 Name: _________________________
                                                 Title: ________________________

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