DATED                     1996


                                      LEASE
                                   relating to


                                   Third Floor
                          52/53 Poland Street London W1




               SECURUM PROPERTY HOLDINGS LIMITED              (1)

               CME DEVELOPMENT CORPORATION INC                (2)



        DATE                  1996

        PARTIES

(1)     SECURUM PROPERTY HOLDINGS LIMITED whose registered office is at One St
        Paul's Churchyard London EC4M 8AJ of the first part; and

(2)     CME DEVELOPMENT CORPORATION INC of 18 d'Arblay Street  London W1V 3FP

WITNESSETH as follows:

1       IN these presents unless the context otherwise requires the following
        expressions have the meanings hereby assigned to them respectively that
        is to say:-

        (a)    "the  Building"  means the  building  situate  and known as 52/53
               Poland Street, London W1

        (b)    "conduits" means tanks pipes sprinklers wires cables drains
               meters ducts trunking sewers gutters other service media and
               associated apparatus and other items of a like nature

        (c)    "the demised premises" means the premises  described in the First
               Schedule

        (d)    "the insured risks" means the risk of fire lightning storm
               tempest flood earthquake aircraft bursting of pipes malicious
               damage and such other risks as the Landlord may from time to time
               reasonably require

        (e)    "the Landlord" means the first named party and the person for the
               time being entitled to the reversion immediately expectant on the
               determination of the term

        (f)    "the Planning  Acts" means the Town & Country  Planning Acts 1990
               as amended



        (g)    "these  presents"  means  this  Lease  and  any  instrument  made
               hereunder or supplemental hereto

        (h)    "the Principal Rent" means the sum of (pound)33,450 per annum
               subject to renewal in accordance with clause 6

        (i)    "review  date"  means the date  specified  in clause  6.1 of this
               Lease

        (j)    "the Tenant"  means the second named party and its  successors in
               title and assigns

        (k)    "the Headlease" means the Lease dated 25th March 1964 and made
               between Mamos Garage Limited and Site Improvements Limited

        (l)    "the term" means the term of years hereby granted

        (m)    covenants made by or binding on any party which for the time
               being comprises more than one person shall be deemed to be joint
               and several

        (n)    any reference to any statute shall be deemed to include any
               by-laws statutory instruments rules regulation orders notices
               directions consents or permissions made under it

        (o)    any covenant by the Tenant not to do any act or thing  includes a
               covenant not to suffer or permit the doing of that act or thing

        (p)    any reference to costs which are or may be payable by the Tenant
               or against which the Tenant covenants to indemnify the Landlord
               shall include all reasonable solicitors' surveyors' architects'
               and other fees disbursements and irrecoverable Value Added Tax
               and other expenditure reasonably incurred by the Landlord on its
               own account or by the insurers or any other person interested in
               the demised premises


                                      -2-


        (q)    "Prescribed Rate" means the rate of interest which is from time
               to time 2% above the Base Rate for the time being of the Royal
               Bank of Scotland

2       IN consideration of the rents hereby reserved and the covenants on the
        part of the Tenant hereinafter contained the Landlord HEREBY DEMISES
        unto the Tenant ALL THOSE demised premises subject to all existing
        easements liberties privileges quasi-easements ____  rights benefits and
        advantages affecting the same (if any) TOGETHER with the easements and
        rights at all times for the Tenant (in common with the Landlord and all
        other persons similarly entitled and so far as necessary for the
        enjoyment of the demised premises) specified in the Second Schedule
        EXCEPT AND RESERVED unto the Landlord and all persons authorised by the
        Landlord or otherwise entitled thereto the easements and rights
        specified in the Third Schedule TO HOLD the demised premises unto the
        Tenant for the term of ten years commencing on and including __________
        _______________________ and expiring on _____________________ YIELDING
        AND PAYING therefor from and including _________________ during the term
        unto the Landlord FIRST for three months from ________________ a
        peppercorn (if demanded) and thereafter the Principal Rent by equal
        quarterly payments in advance on the usual quarter days in every year
        the first payment to be made on __________________ AND SECONDLY by way
        of further or additional rent throughout the term a sum calculated and
        payable in accordance with the Fourth Schedule

3       THE Tenant  HEREBY  COVENANTS  with the  Landlord to the intent that the
        obligation shall continue throughout the term as follows:-

(1)     To pay the rents hereby reserved at the times and in the manner
        aforesaid without any deduction and not to exercise or seek to exercise
        any right or claim to withhold rent or any right or claim to set-off

(2)    (a)     To pay and discharge all existing and future rates taxes
               duties charges assessments outgoings and impositions (whether
               parliamentary local or 


                                      -3-


               otherwise and whether of a capital revenue non-recurring or
               wholly novel nature) which are now or may be at any time
               hereafter assessed charged or imposed upon the demised premises
               or on the owner or occupier in respect thereof of any thing done
               thereon other than the receipt of rent or any dealing with the
               reversion on the term or pending separate assessment of the
               demised premises a fair proportion to be determined by the
               Landlord of any sum payable in respect of property of which the
               demised premises form part

        (b)    in the last twelve months of the term (howsoever determined) to
               pay all general rates in full and not to claim empty property
               relief in respect of the demised premises

(3)     In 1998 and 2002 and the last three months of the term (howsoever
        determined) to paint clean or otherwise treat as the case may be all the
        inside structure and other internal parts of the demised premises
        usually or requiring to be painted cleaned or otherwise treated with two
        coats of good quality paint or other suitable material of good quality
        in a proper and workmanlike manner and generally to redecorate the
        interior of the demised premises and afterwards grain varnish wash strip
        stop distemper colour paper or otherwise decorate in the usual manner
        all parts usually or requiring to be so dealt with provided that the
        colour and method of all such painting and other works of decoration in
        the last year of the term (howsoever determined) shall first be approved
        by the Landlord in writing such approval not to be unreasonably withheld
        or delayed

(4)     To put and keep the demised premises in good and substantial repair and
        condition and to replace from time to time if beyond repair all
        Landlord's fixtures and fittings damage by the insured risks excepted
        save where the insurance effected by the Landlord is vitiated avoided or
        forfeited or the payment of the money thereunder or if any part thereof
        is refused or withheld by reason of the act or omission of the 


                                      -4-


        Tenant or any person deriving title under the Tenant or their
        respective agents servants or licensees

(5)     At the expiration or sooner determination of the term:

        (a)    quietly to yield up the demised premises (except lessee's and
               trade fixtures and fittings which may or at the request of the
               Landlord shall be removed prior to the expiration or sooner
               determination of the term) in a condition consistent with the due
               performance and observance by the Tenant of its covenants in
               these presents

        (b)    without prejudice to sub-clause (a) above if any alterations or
               additions shall have been made to the demised premises during the
               term to reinstate the demised premises (if so required by the
               Landlord but not otherwise) to the state and condition thereof
               prior to the making of such alterations and additions

        (c)    to remove from the Building every sign notice or other
               notification belonging to the Tenant or any person deriving title
               under the Tenant

        (d)    to make good all damage caused by the removal of fittings
               furniture and effects belonging to the Tenant or any person
               deriving title under the Tenant to the reasonable satisfaction of
               the Landlord and if the Tenant fails to leave the demised
               premises in such condition to pay to the Landlord the cost of
               taking such steps as may be necessary or expedient to remedy such
               default

(6)     (a)    To comply with every enactment (which expression in this
               sub-clause includes any and every statute already or hereafter to
               be passed and every order regulation bye-law or direction already
               or hereafter to be made or issued under or in pursuance of any
               such Act) and every provision requirement or direction of any
               governmental local or other competent authority relating to or
               affecting the demised premises or any alterations or


                                      -5-


               additions  thereto or the employment of persons or the conduct of
               any trade or business  thereupon or any fixtures  fittings  plant
               machinery or chattels for the time being therein

        (b)    To execute all works and obtain all certificates and licences and
               provide and maintain all arrangements which by or under any such
               enactment or any such provision requirement or direction are or
               may be directed or required to be executed obtained and
               maintained upon or in respect of the demised premises or any
               alterations or additions thereto or the employment of persons or
               the conduct of any trade or any fixtures fittings plant machinery
               or chattels as aforesaid whether by the Landlord or the Tenant
               provided that nothing in this sub-clause shall entitle the Tenant
               to make any alterations or additions to the demised premises
               otherwise than in accordance with the Tenant's covenants in that
               behalf contained in these presents

(7)     Upon receipt to deliver to the Landlord a copy of any communication made
        given or issued by any government department local authority or other
        competent authority relating to or affecting the demised premises and at
        the Tenant's cost to make or join in making such objections
        representations or appeals against or in respect thereof as the Landlord
        may reasonably require

(8)     (a)    To comply with the Planning Acts so far as affecting the
               demised premises and any development already or hereafter to be
               carried out executed done or omitted thereon or the use thereof
               for any purpose

        (b)    To obtain from the relevant planning authority all licences
               consents and permissions and to serve such notices as may be
               required for the carrying out of any development on the demised
               premises but so that notwithstanding any approval granted under
               these presents the Tenant shall not make any application for such
               licence consent or permission


                                      -6-


               without the previous written consent of the Landlord (which shall
               not be unreasonably withheld or delayed)

        (c)    If any such licence consent or permission is granted subject to
               conditions not to carry out such development or institute or
               continue such use before security for the compliance with such
               conditions has been produced to the Landlord and acknowledged by
               it in writing as satisfactory such acknowledgement not to be
               unreasonably withheld

        (d)    To pay and satisfy any charge or levy imposed under the Planning
               Acts in respect of the carrying out of maintenance of any such
               development as aforesaid

        (e)    Before the expiration or sooner determination of the term and
               unless the Landlord shall otherwise direct to carry out in a good
               and workmanlike manner with suitable materials of good quality
               any works stipulated to be carried out to the demised premises by
               a date subsequent to such expiration or sooner determination as a
               condition of any planning permission which may have been granted
               during the term and implemented in whole or in part

(9)     To permit the Landlord and persons authorised by the Landlord to enter
        upon the demised premises without interruption at any reasonable time
        upon prior written notice except in the case of emergency for the
        purpose of inspecting and measuring the same and carrying out its
        obligations under these presents

(10)    To diligently commence and make good all breaches of the Tenant's
        covenants contained in these presents of which written notice shall have
        been given by the Landlord to the Tenant within two months after the
        giving of such notice or sooner if requisite and if the Tenant shall at
        any time make default in the performance of any such covenants of which
        notice has been given as aforesaid to permit the Landlord 


                                      -7-


        and all persons authorised by the Landlord to take such steps as may to
        it seem necessary or expedient to remedy the same (but without prejudice
        to the rights of re-entry hereinafter contained)

(11)    To permit the Landlord and its agents to enter upon the demised premises
        at any time during the last six months of the term (howsoever
        determined) to affix and retain upon the demised premises notice boards
        or bills for reletting the same provided that such noticeboards so far
        as is practicable do not curtail the access of light and air to the
        premises

(12)    To permit the Landlord and persons authorised by the Landlord at all
        reasonable times after reasonable prior written notice (save in
        emergency) to enter and remain upon the demised premises with or without
        equipment and materials and to erect scaffolding outside the demised
        premises and to place ladders on the demised premises for the exercise
        of the easements and rights reserved by these presents and such
        covenants conditions and restrictions (if any) as may affect any
        reversion immediately or mediately expectant on the term the person
        exercising such right causing as little inconvenience as reasonably
        possible to the Tenant's enjoyment of the demised premises and as soon
        as reasonably practicable making good any damage caused to the demised
        premises or any of the Tenant's fixtures or possessions

(13)    To indemnify the Landlord against all reasonable and proper costs 
        arising from or in contemplation of

        (a)    the preparation and service of any notices or proceedings under
               Sections 146 and 147 of the Law of Property Act 1925 or the
               Leasehold Property (Repairs) Act 1938 and the inspection and
               supervision of the works required to be done thereunder and the
               taking of steps subsequent to any such notice notwithstanding
               forfeiture is avoided otherwise than by relief granted by the
               Court


                                      -8-


        (b)    the effecting of any forfeiture not requiring such notice

        (c)    the recovery of such sums of money due  hereunder  including  the
               levy or attempted levy of any distress

        (d)    the preparation and service of all notices and schedules (whether
               statutory or otherwise) relating to wants of repair to the
               demised premises or other breaches of any of the Tenant's
               covenants contained in these presents and the inspection and
               supervision of any works required to be done thereunder whether
               served during the term or after the termination thereof
               (howsoever determined)

        (e)    any application for a consent licence or approval whether it is
               granted or refused or proffered subject to any qualification or
               condition or whether the application is withdrawn or abandoned

(14)    (a)    Not to do or bring or keep on the demised premises anything
               which might increase the risk of fire or explosion or which in
               the reasonable opinion of the Landlord may cause nuisance damage
               annoyance or inconvenience to the Landlords or the owners or
               occupiers of other parts of the Building or any adjoining or
               neighbouring property or depreciate the value of the demised
               premises or the Building

        (b)    Not to do anything whereby the insurance effected on the Building
               may become void or voidable

        (c)    To comply with the recommendations or requirements of the
               insurers of the Building and the local fire officer

        (d)    If the  Building  is damaged  or  destroyed  by any risk  insured
               against by the  Landlord  and the policy of  insurance in respect
               thereof is vitiated  avoided or  forfeited  or the payment of the
               money  thereunder  or of any part  thereof is 


                                      -9-


               refused or withheld by reason of the act or default of the Tenant
               or any person deriving title under the Tenant or their respective
               agents servants or licensees then and in every such case
               forthwith to pay to the Landlord an amount equal to the sum so
               refused or withheld

(15)    To insure all plate glass if any in the demised premises against damage
        or destruction in the full re-instatement cost thereof in the joint
        names of the Landlord and Tenant in some insurance office to be approved
        by the Landlord (such approval not to be unreasonably withheld) and to
        hold all money received by virtue of any such insurance upon trust to be
        forthwith laid out in reinstating the damage or destruction in respect
        of which it shall have been paid and to make up any deficiency out of
        its own money

(16)    Not to effect any insurance of the demised premises against any risks
        which are from time to time insured against by the Landlord and to hold
        any monies received from any policy effected in breach thereof upon
        trust for the Landlord

(17)    To give notice as soon as reasonably practicable in writing to the
        Landlord of any destruction or damage to the demised premises and of any
        defect which would or might give rise to any obligation on the
        Landlord's part to do or refrain from doing any act or thing in order to
        comply with the duty of care imposed by the Defective Premises Act 1972

(18)    (a)    Not to make any alterations or additions to the demised
               premises or its installations conduits or services or to unite
               the same with any other premises save as provided in this
               sub-clause

        (b)    Not without the consent of the Landlord (such consent not to be
               unreasonably withheld or delayed) to make any internal
               non-structural alteration


                                      -10-


        (c)    Not to commence any alterations or additions before all necessary
               licences approvals permissions and consents from the relevant
               governmental local and other competent authorities the Superior
               Landlords and the insurers have been produced to the Landlord and
               acknowledged by it in writing as satisfactory

        (d)    To carry out any alterations or additions approved by the
               Landlord in a good and workmanlike manner with suitable materials
               of good quality to the reasonable satisfaction of the Landlord
               strictly in accordance with all such licences approvals
               permissions and consents and the plans and specifications
               approved by the Landlord without causing any nuisance to the
               owners or occupiers of any other parts of the Building or any
               neighbouring premises

        (e)    To remove upon demand any alterations or additions made in
               contravention of this sub-clause or in respect of which any
               licence approval permission or consent is withdrawn or lapses and
               make good all damage caused by such removal and restore all parts
               of the demised premises affected thereby to a good and
               substantial condition and properly decorated to the reasonable
               satisfaction of the Landlord

(19)    (a)    Not to use the demised premises for any dangerous noxious noisy 
               offensive illegal or immoral purpose nor for any auction or
               public meeting

        (b)    Not to institute any change of use before all necessary licences
               approvals permissions and consents from the relevant governmental
               local and other competent authorities the insurers and other
               persons interested in the demised premises have been produced to
               the Landlord and acknowledged by it in writing as satisfactory


                                      -11-


        (c)     Subject to paragraphs (a) and (b) of this sub-clause not to use 
                the demised premises otherwise than as offices

(20)    Not to submit any part of the Building to any excessive load nor to
        suspend any excessive weight from the ceilings or structure of the
        Building

(21)    Not to load or unload or receive delivery of or despatch any goods
        otherwise than in the areas and through the entrances designated for
        such purposes by the Landlord and not to leave any article or vehicle so
        that such areas or means of access to the Building are blocked to
        pedestrians or vehicles or so that access is precluded hindered or
        inconvenienced

(22)    Not to overload or obstruct the conduits serving the demised premises or
        to discharge into any pipes drains or sewers any trade effluent (as
        defined in the Public Health (Drainage of Trade Premises) Act 1937) or
        any harmful matter or substance

(23)    Not to obstruct or interfere with the ventilating louvers and grilles
        situate in or serving the demised premises and not to install or operate
        in the demised premises any equipment machinery or apparatus which may
        cause the efficiency of the heating ventilation and air cooling system
        of the Building to be diminished or impaired or the balance thereof
        interfered with

(24)    Not to darken or obstruct any windows belonging to the demised premises
        or permit any new window opening doorway or other easement to be made or
        acquired in or against the demised premises and in case any such window
        opening doorway or other easement shall be made or acquired to forthwith
        give written notice thereof to the Landlord and at the request and cost
        of the Landlord to adopt such means as the Landlord may reasonably
        require for preventing the acquisition of any such easement


                                      -12-


(25)    (a)    Alienation of part absolutely prohibited

        (i)    Not to charge or assign or underlet part only of the Premises

        (ii)   Not save as hereinafter permitted to part with or share
               possession or occupation of the whole of the Premises or any part
               thereof PROVIDED THAT occupation of the Premises or any part
               thereof as a licensee only by a company which is a member of the
               same group (as that expression is defined in Section 42 of the
               Landlord and Tenant Act 1954) as the Tenant shall not be a breach
               of this covenant

PROVIDED FURTHER THAT

        (1)    no legal estate or other right or tenancy shall be created

        (2)    the Tenant shall forthwith give the Landlord notice in writing of
               the identity of such company the relationship of the company to
               the Tenant the area occupied the date of occupation and proposed
               date of vacation

        (3)    the Tenant shall procure (and hereby covenants to this effect)
               that the company shall vacate the Premises immediately upon
               whichever is the earlier of the date of the termination of the
               Term and the date on which such company ceases to be a member of
               the same group

(25)    (b)    Assignment permitted

               Not to assign the whole of the Premises  other than in accordance
               with the following terms and conditions

        (i)    (if the Landlord so reasonably requires) the Assignee shall
               provide a guarantor or guarantors acceptable to the Landlord who
               shall covenant (jointly and severally if more than one) with the
               Landlord on the terms 


                                      -13-


               referred to in the Sixth Schedule or on such other terms as the
               Landlord may reasonably require

        (ii)   the Tenant shall obtain the consent of the Landlord which shall
               not be unreasonably withheld and shall be by deed containing
               covenants by the intended assignee directly with the Landlord for
               the residue of the Term to pay the Rents and to perform and
               observe the Tenant's covenants (including this covenant)

(25)    (c)    Charging Permitted

               Not to charge the whole of the  Premises  without  the consent of
               the Landlord such consent not to be unreasonably withheld

(25)    (d)    Underletting Permitted

        (i)    Not to underlet the whole of the Premises  without the consent of
               the Landlord such consent not to be unreasonably withheld

        (ii)   Not  to  underlet  the  whole  of  the  Premises  other  than  in
               accordance with the following terms and conditions

               (a)    shall be the best rent obtainable without taking a fine or
                      premium and shall not be commuted or payable more than one
                      quarter in advance

               (b)    Prior to the grant of any such underlease an order of the
                      Court shall be obtained pursuant to the provisions of
                      Section 38(4) of the Landlord and Tenant Act 1954 (as
                      amended by Section 5 of the Law of Property Act 1969)
                      authorising the exclusion of Section 24-28 of such Act in
                      relation to the tenancy intended to be created by the
                      underlease and a certified copy of such order shall be
                      produced to the Landlord


                                      -14-


        (iii)  To incorporate in every permitted underlease of

               (1)    a covenant  that the  undertenant  shall not assign charge
                      or underlet part only of the premises thereby demised

               (2)    a covenant that the undertenant shall not assign or charge
                      the whole of the premises thereby demised without the
                      consent of both the Landlord and the Tenant under this
                      Lease

               (3)    a covenant that the undertenant shall not further underlet
                      the whole or part of the premises thereby demised

               (4)    a covenant that the undertenant shall not part with or
                      share possession of occupation or declare a trust in
                      respect of the premises thereby demised save by save of an
                      assignment charge or underlease pursuant to the provisions
                      hereinbefore contained

               (5)    a covenant by the undertenant (which the Tenant hereby
                      covenants to enforce) prohibiting the undertenant from
                      causing or suffering any act or thing upon or in relation
                      to the premises underlet inconsistent with or in breach of
                      the provisions of this Lease and

               (6)    a condition for re-entry in the form referred to in
                      clause 5(1) hereof

(25)   (e)     Upon and permitted underlease to procure that the undertenant
               shall give a direct covenant under seal in favour of the Landlord
               to observe and perform the covenants and conditions on the part
               of the Tenant contained in this Lease (save as to payment of
               rent) in so far as the same relate to or affect the premises
               underlet and to ensure that a guarantor or guarantors acceptable
               to the Landlord guarantee such covenant in such terms as the
               Landlord may from time to time require


                                      -15-


(25)   (f)     The Tenant shall obtain the approval of the Landlord's
               solicitors to the principal terms of any underlease (and if
               requested) the form of the proposed underlease before granting
               the same (such approval not to be unreasonably withheld or
               delayed)

(25)    (g)    In connection with any underlease the Tenant shall

               (i)    not consent to or participate in any variation or addition
                      to any such underlease (or any of the terms thereof)
                      without the consent of the Landlord such consent not to be
                      unreasonably withheld or delayed and

               (ii)   enforce all the covenants and obligations of the
                      undertenant thereunder and not expressly or by implication
                      waive any breach of the same and

(26)    Within thirty days after any assignment assent mortgage or charge or
        release or vacation of any mortgage or charge or devolution of or other
        instrument relating to the demised premises or any estate or interest
        therein however remote or inferior to give notice to the solicitors for
        the time being of the Landlord and produce to them for their retention a
        certified copy of the deed or instrument effecting the same or any
        Probate or Letters of Administration and pay a reasonable registration
        fee

(27)    To indemnify the Landlord against

        (a)    any tax or imposition which becomes payable during the term by
               reason of any act or omission of the Tenant or persons deriving
               title under the Tenant which but for such act or omission would
               not have been payable

        (b)    all actions or costs claims demands and expenses whatsoever
               arising as a result of any breach or non-observance of the
               Tenant's covenants and 


                                      -16-


               conditions contained in these presents or by reason of any act or
               default of the Tenant or their respective agents servants or 
               licensees

(28)    Not to display on the demised premises so as to be visible from outside
        any aerial signboard fascia placard sign poster blind bill advertisement
        or illuminated sign without the Landlord's prior written consent

(29)    To produce without delay if so reasonably required such evidence as the
        Landlord may reasonably require to satisfy itself that the Tenant's
        covenants contained in these presents have been complied with and
        particulars of all derivative or occupational rights existing in respect
        of the demised premises however remote or inferior

(30)    To pay to the Landlord if so required and without prejudice to the
        Landlord's other remedies (as well after as before any judgment)
        interest at the rate of four per centum per annum above the base rate of
        The Royal Bank of Scotland Plc from time to time on any sum or sums
        becoming due under these presents (whether or not formally demanded) and
        not paid within fourteen days of the same becoming due from the date of
        payment

(31)    To keep clean the  exterior and the interior of the glass in the windows
        and doors of the demised premises

(32)    (a)    The Tenant will pay to the Landlord on delivery of a proper
               Value Added Tax invoice any Value Added Tax due on taxable
               supplies made under this Lease including such tax upon the rents
               hereby reserved. All sums payable under these presents shall be
               deemed to be tax exclusive

        (b)    The Tenant will indemnify and keep indemnified the Landlord in
               respect of any Value Added Tax paid or payable by the Landlord
               levied upon any cost or expense (not itself being entitled under
               the terms of this Lease to recover 


                                      -17-


               from the Tenant such amounts of Value Added Tax) to be paid by 
               the Tenant on demand

(33)    To observe and perform and procure that its servants agents and visitors
        observe and perform such reasonable regulations as the Landlord or its
        agent may from time to time make for the control security or management
        of the Building or any part thereof or the comfort safety or convenience
        of the tenants occupiers or other persons resorting thereto

(34)    To observe and perform the covenants and conditions on the part of the
        lessee contained in the Headlease insofar as the same relate to or
        affect the demised premises and are not the responsibility of the
        Landlord hereunder and save for payment of rent and any other sums
        payable by the Landlord to the Superior Landlord under the Headlease and
        save for any other matters which would otherwise be inconsistent with
        the terms of this Lease (which shall prevail)

4       THE Landlord HEREBY COVENANTS with the Tenant as follows

(1)     That the Tenant paying the rents hereby reserved and observing and
        performing the covenants on its part herein contained shall peaceably
        hold and enjoy the demised premises during the term without any lawful
        interruption by the Landlord or any person lawfully claiming under or in
        trust for it

(2)     To repair decorate maintain renew rebuild and clean the main structure
        foundations walls roofs staircases window frames and external parts of
        the Building and all conduits plant equipment and appliances in or about
        the Building other than those which are the responsibility of the Tenant
        or any other tenant or occupier of the Building so as to keep the
        Building and all conduits plant equipment and appliances in good repair
        and condition

(3)     Subject to paragraph 6(e) of the Fourth Schedule and to the Tenant
        paying the sums payable in accordance with the Fourth Schedule to
        provide the services and 


                                      -18-


        discharge the functions referred to in the Fifth Schedule having regard 
        to principles of good estate management

(4)     To insure the Building against the insured risks in such sum as the
        Landlord shall reasonably determine as representing the full rebuilding
        and reinstatement cost (including sums for demolition and site clearance
        architects' and other fees Value Added Tax and a due allowance for cost
        increases over the likely rebuilding period) of the Building and at
        least three years' loss of rent in respect thereof (which may be
        calculated having regard to impending rent reviews) and also for public
        liability and property owners' insurance in some insurance office of
        repute or with underwriters provided that the Landlord shall not be
        obliged to insure any fixtures and fittings which may be installed by
        the Tenant (whether the Landlord's or Tenant's fixtures and fittings) or
        any additions or improvements to the demised premises until the Tenant
        has notified the Landlord in writing of the value or reinstatement cost
        thereof (but so that the Landlord may from time to time at its
        discretion increase the amount of the insurance)

(5)     To supply to the Tenant on request particulars of any policy of
        insurance effected hereunder sufficient to enable the Tenant to know the
        full extent of the premises and the fixtures and fittings covered the
        risks and the sums insured and any exceptions exclusions conditions or
        limitations to which the policy is subject

(6)     To apply all moneys received under such insurance (other than sums
        relating to rent) in rebuilding or reinstating (so far as such insurance
        moneys shall extend) the Building to the same or no less suitable and
        convenient state as before the loss or damage occurred such rebuilding
        or reinstatement to be effected with all reasonable despatch and
        diligence after all necessary consents and approvals have been obtained
        save that if the Landlord shall be unable to rebuild or reinstate the
        Building and within thirty six months of the happening of the loss or
        damage shall so notify the Tenant in writing the Landlord's obligation
        in that respect and these 


                                      -19-


        presents shall determine and the Landlord shall be entitled to retain 
        the whole of such monies without prejudice to any further right or 
        remedy of the Landlord

(7)     To pay the rents reserved by and observe and perform the covenants on
        the part of the lessee contained in the Headlease save insofar as they
        are the responsibility of the Tenant hereunder

5       PROVIDED ALWAYS AND IT IS HEREBY AGREED AND DECLARED that:-

(1)     (a)    if the rents hereby reserved or any part thereof shall be in
               arrears for twenty-one days after the same shall have become due
               (whether legally demanded or not) or

        (b)    in the  event  of any  breach  of any of the  Tenant's  covenants
               contained in these presents

        (c)    if the Tenant or any surety who at any time guarantees the
               obligations of the Tenant (being a body corporate) shall have an
               order made or a resolution passed for its winding up or shall
               otherwise enter voluntary winding up or if a petition is
               presented or a meeting is convened for the purpose of considering
               a resolution for its winding up (other than voluntary winding up
               of a solvent company for the purpose of amalgamation or
               reconstruction) or shall have a receiver or administrative
               receiver appointed over all or any of its assets or if the
               equivalent occurs under the laws of the place of incorporation of
               the Tenant or the surety in the instance of being bodies
               corporate or

        (d)    if an administration order is made in respect of the Tenant or
               such surety (being a body corporate) or a petition for such an
               order is presented or if the equivalent occurs under the laws of
               the place of incorporation of the Tenant or the surety in the
               instance of being bodies corporate or


                                      -20-


        (e)    if the Tenant or such surety (being a body corporate) calls a
               meeting of its creditors or any of them or makes an application
               to the Court under Section 425 of the Companies Act 1985 or a
               meeting is convened pursuant to Section 3 of the Insolvency Act
               l986 to consider a proposal for a voluntary arrangement under
               Part I of the 1986 Act in relation to the Tenant or such surety
               (being a body corporate) or enters into any arrangement scheme
               compromise moratorium or composition with its creditors or any of
               them or suffers any distress or execution to be levied on the
               demised premises or enters into a transaction to which section
               423 of the Insolvency Act 1986 applies or is unable to pay its
               debts within the meaning of Section 123 of the Insolvency Act
               1986 or if the equivalent occurs under the laws of the place of
               incorporation of the Tenant or the surety in the instance of
               being bodies corporate or

        (f)    if the Tenant or such surety (being an individual or if more than
               one individual then any of them) shall be subject to a bankruptcy
               order or a petition for such an order is presented or if the
               Tenant or such surety shall make any assignment for the benefit
               of creditors or make any arrangements with creditors for the
               liquidation of debts and liabilities by composition or otherwise
               or if the equivalent occurs under the laws of the place of
               incorporation of the Tenant or the surety in the instance of
               being bodies corporate or

        (g)    if an application is made in respect of the Tenant or such surety
               (being an individual or if more than one individual then any of
               them) for an interim order under Section 252 of the Insolvency
               Act 1986 or if any such order is made or any meeting is convened
               pursuant to Section 257 of the Insolvency Act l986 to consider a
               proposal for a voluntary arrangement under Part VIII of the said
               Act in relation to the Tenant or such surety or if the Tenant or
               such surety enters into any arrangement scheme compromise
               moratorium or 


                                      -21-


               composition with his creditors or any of them or suffers any
               distress or execution to be levied on the demised premises or
               enters into a transaction to which Section 423 of the Insolvency
               Act 1986 applies or appears to be unable to pay any debt (as
               those expressions are defined in Section 268 of the Insolvency
               Act 1986) or if the equivalent occurs under the laws of the place
               of incorporation of the Tenant or the surety in the instance of
               being bodies corporate

        it shall be lawful for the Landlord or any person on its behalf to
        re-enter upon the demised premises or any part thereof in the name of
        the whole and thenceforth peaceably to hold and enjoy the same as if
        these presents had not been made without prejudice to any right of
        action or remedy of the Landlord

(2)     If the demised premises or any part thereof or the means of access
        thereto shall be damaged by any of the insured risks so as to be unfit
        for occupation and use and the insurance effected by the Landlord shall
        not have been vitiated avoided or forfeited or the payment of the money
        thereunder or of any part thereof refused or withheld by reason of any
        default of the Tenant or any person deriving title under the Tenant or
        their respective agents servants or licensees then the Principal Rent
        and any amounts attributable to service charge or a fair proportion
        thereof according to the nature and extent of the damage sustained shall
        be suspended until the demised premises shall again be rendered fit for
        occupation and use or until the expiration of such period in respect of
        which loss of rent insurance may have been effected (whichever shall be
        the earlier) and any dispute concerning this sub-clause shall be
        determined by a single arbitrator in accordance with the provisions of
        the Arbitration Acts 1950 and 1979

(3)     Any licence consent or approval given by the Landlord shall (whether or
        not therein expressed) be conditional on the Tenant obtaining all
        requisite licences consents permissions or approvals from the relevant
        governmental local and other competent 


                                      -22-


        authorities and from the insurers and any other person interested in the
        demised premises and nothing contained or implied in these presents or
        in any such licence consent or approval shall be taken to be a covenant
        warranty or representation by the Landlord or its agents that the
        demised premises can be or is fit to be used for the Tenant's or any
        other purpose or that any alteration or addition or change of use which
        the Tenant may intend to carry out will not require the approval of the
        relevant governmental local or other competent authority the insurers or
        any other person interested in the demised premises

(4)     If after the termination of the term (howsoever determined) any property
        shall remain on the demised premises the Landlord may either in so far
        as the same is annexed to the demised premises treat it as having
        reverted to the Landlord or as the agent of the Tenant (and the Landlord
        is hereby appointed by the Tenant to act on that behalf) remove store
        and sell such property and then hold the proceeds of sale after
        deducting the costs and expenses of removal storage and sale incurred by
        it to the order of the Tenant provided that the Tenant shall indemnify
        the Landlord against liability incurred by it to any third party whose
        property shall have been dealt with by the Landlord

(5)     These presents shall not confer upon or be deemed to include (by
        implication or otherwise) in favour of the Tenant any right privilege
        estate or interest not expressly herein set out in through over or upon
        any land or premises adjoining or near to the demised premises or the
        air space thereover or the ground below the foundations thereof

(6)     In  addition  to the said  rents any  monies  falling  due  under  these
        presents may be recovered by distress as rent in arrears

(7)     The Landlord its servants agents visitors or licensees shall not be
        liable or responsible to the Tenant its servants agents visitors or
        licensees for any loss injury damage nuisance annoyance or inconvenience
        which may be sustained by the Tenant 


                                      -23-


        its servants agents visitors or licensees (either personally or to their
        property including the demised premises) caused by:-

        (a)    any failure or defect in or negligent operating of any conduits
               or services of the Building not directly under the control of the
               Landlord or its agents, or

        (b)    the act or neglect of any other tenant or occupier of the
               Building or their servants agents visitors or licensees

        (c)    any act of omission or negligence of any porter or other servant
               or agent of the Landlord in or about the performance of any duty
               relating to the provision of services

(8)     Nothing contained or implied in these presents shall impose or be deemed
        to impose any restriction on the use of any part of the Building or any
        adjoining or neighbouring property or give the Tenant the benefit of or
        the right to enforce or to have enforced or to prevent the release or
        modification of any covenant agreement or condition entered into in
        respect of any other part of the Building or any such adjoining or
        neighbouring property or to prevent or restrict in any way the
        development thereof

(9)     Whenever any fire or other insurance is effected through the Landlord
        all sums allowed by way of commission discount or otherwise shall belong
        absolutely to the Landlord and the Landlord shall not be required to
        account to the Tenant therefor

(10)    If at any time it ceases to be practical to determine interest rates by
        reference to the base rate of The Royal Bank of Scotland Plc there shall
        be substituted for such rate such equivalent rate as the Landlord may
        reasonably specify

(11)    The Tenant shall not be or become entitled to any compensation under
        Section 37 or 59 of the Landlord and Tenant Act 1954 unless the
        conditions set forth in Section 38(2) of that Act shall be satisfied in
        relation to the Tenant claiming compensation


                                      -24-


(12)    No demand for or receipt of rent no grant of any licence consent or
        approval and no acceptance of any document for registration hereunder by
        the Landlord or its agent with notice of a breach of any covenant on the
        part of the Tenant shall be or be deemed to be a waiver wholly or
        partially of any such breach but any such breach shall be deemed to be a
        continuing breach of covenant and neither the Tenant nor any person
        taking any estate or interest under or through the Tenant shall be
        entitled to set up any such demand receipt grant or acceptance in any
        action for forfeiture or otherwise

(13)    Any notice served under these presents shall be validly served if served
        in accordance with Section 196 of the Law of Property Act 1925 as
        amended by the Recorded Delivery Service Act 1962

6.1     In this clause  (unless the  context  otherwise  requires or admits) the
        following words and phrases shall have the following meanings

        Word or Phrase       Meaning

        Review Date          respectively the ____________ day of ______________
                             in the year 2001 or any other date that becomes a 
                             Review Date pursuant to paragraph 6 of this clause

        Market Rent          the best rent at which the demised premises might
                             reasonably be expected to be let with vacant
                             possession by a willing lessor to a willing lessee
                             without any premium or other consideration in the
                             open market at the relevant Review Date for a term
                             of the same duration as the residue of the term or
                             a term of years whichever shall be the greater with
                             vacant possession and for the use or uses permitted
                             under this Lease (or for the actual use or uses if
                             attracting a higher value) and otherwise upon the
                             terms of 


                                      -25-


                             this Lease (other than the amount of rent
                             hereby reserved but including the provisions for
                             rent review) on the following assumptions

                             (a)    that all the Landlord's and the Tenant's
                                    covenants in this Lease have been complied
                                    with

                             (b)    that the demised premises are fit and fitted
                                    out for immediate occupation and use

                             (c)    that in case the demised premises have been
                                    destroyed or damaged or have become
                                    inaccessible they have been completely
                                    rebuilt reinstated or rendered accessible

                             (d)    that the demised premises are in a good
                                    state of repair and decorative condition

                             (e)    that the demised premises may lawfully be
                                    used for the uses permitted under this Lease
                                    and/or the use to be assumed for the purpose
                                    of review pursuant to the provisions
                                    hereinbefore contained

                             (f)    that the tenant any undertenant and their
                                    respective successors in title are or would
                                    be able to recover any Value Added Tax
                                    payable hereunder or its or their accounting
                                    with H M Customs & Excise or other
                                    responsible authority immediately after the
                                    same is paid

                             (g)    that the Tenant has enjoyed prior to the
                                    relevant review date a rent free period of
                                    sufficient length to 


                                      -26-


                                    allow the Tenant to fit out the demised
                                    premises in accordance with the Tenant's
                                    requirements to the intent that no discount
                                    shall be made in ascertaining the Market
                                    Rent to reflect such rent free period or
                                    other concession or inducement and that the
                                    market rent shall be that which would be
                                    payable after the expiry of such rent free
                                    period

                             BUT DISREGARDING

                             (a)    any goodwill attached to the demised
                                    premises by reason of the carrying on
                                    thereat by the Tenant or any undertenant of
                                    any business

                             (b)    any effect on rent of any improvement to the
                                    demised premises made (otherwise than
                                    pursuant to any obligation to the Landlord
                                    contained in this Lease of the Tenant or any
                                    undertenant to carry out such work) by the
                                    Tenant or any undertenant during the term at
                                    the sole expense of the Tenant or any
                                    undertenant and with the consent of the
                                    Landlord and in accordance with all
                                    necessary statutory and by-law consents

                             (c)    the effect on rent of any works or
                                    alterations to the demised premises which
                                    reduce their rental value

                             (d)    the effect on rent of any rent free period
                                    or other concession or inducement which
                                    would or might be given to an incoming
                                    tenant on the grant of a lease of the
                                    demised premises at the relevant Review 


                                      -27-


                                    Date to the intent that no discount shall be
                                    made in ascertaining the Market Rent to
                                    reflect such rent free period or other
                                    concession or inducement and that the Market
                                    Rent shall be that which would be payable
                                    after the expiry of every such rent free
                                    period and after receipt of such concession
                                    or inducement

                             (e)    any restraint or restriction on the right to
                                    recover or increase rent imposed by any Act

        President            the President for the time being of the Royal
                             Institution of Chartered Surveyors or his duly
                             appointed deputy or any person authorised by the
                             President to make appointments on his behalf

        Surveyor             a surveyor agreed upon by the Landlord and the
                             Tenant or in default of agreement appointed by the
                             President

        agree or agreed      agree or agreed in writing between the Landlord
                             and the Tenant

6.2     From each Review Date the Principal Rent shall be such as may at any
        time be agreed between the Landlord and the Tenant as the Principal Rent
        payable from that Review Date or (in default of such agreement)
        whichever is the greater of

6.2.1   the Market Rent and

6.2.2   the Principal Rent contractually  payable immediately before that Review
        Date

6.3     If by a date two months before the Review Date the rent payable from
        that Review Date has not been agreed the Landlord and the Tenant may
        agree upon a person to act as Surveyor who shall determine the Market
        Rent but in default of such 


                                      -28-


        agreement then the Landlord or the Tenant may at any time whether before
        or after the Review Date make application to the President to appoint a
        Surveyor to determine the Market Rent and such application shall request
        that the Surveyor to be appointed shall be a specialist in the letting
        of office premises in the area in which the premises are situate

6.4.1   The Surveyor shall act as an expert and the following  provisions  shall
        apply

6.4.1.1 Unless the Surveyor shall otherwise direct the Landlord and the Tenant
        shall each be responsible for one half of the fees of the Surveyor and
        if either shall pay the whole thereof he shall be entitled to recover
        one half thereof from the other

6.4.1.2 The Surveyor shall request the Landlord and the Tenant to submit to him
        within a period not exceeding twenty (20) working days from such date as
        he shall direct such representations and cross representations
        concerning the amount of the rent and such supporting evidence as they
        may wish

6.4.1.3 Within forty-five (45) working days of the appointment or within such
        longer period as the Landlord and the Tenant shall agree the Surveyor
        shall give to each of them written notice of the amount of market rent
        as finally determined

6.4.1.4 The fees of the  Surveyor  shall be payable in the  proportion  he shall
        direct in his award

6.4.2   If the Surveyor whether appointed as arbitrator or expert refuses to act
        or is incapable of acting or dies or fails to give notice of his
        determination within the period stipulated above the Landlord or the
        Tenant may apply to the President for the further appointment of a
        Surveyor which procedure may be repeated as many times as necessary

6.4.3   Any Surveyor appointed under this clause shall be required to produce a
        statement of reasons when making his determination


                                      -29-


6.5     If by a Review Date the Principal Rent payable from that Review Date has
        not been ascertained pursuant to this Schedule the Tenant shall continue
        to pay the Principal Rent at the rate previously payable and within
        fourteen (14) days next after such ascertainment the Tenant shall pay to
        the Landlord the difference for the period ending on the day preceding
        the quarter day following the date of ascertainment between the
        Principal Rent paid and the Principal Rent so ascertained together with
        interest on such difference up to the date of ascertainment at 2% below
        the Prescribed Rate

6.6     If at any Review Date there is by virtue of any Act a restriction upon
        the Landlord's right to review the Principal Rent or if at any time
        there is by virtue of any Act a restriction upon the right of the
        Landlord to recover the Principal Rent otherwise payable then upon the
        ending removal or modification of such restriction (but only once in any
        period of review) the Landlord may at any time thereafter give to the
        Tenant not less than one month's notice requiring an additional rent
        review upon a quarter day specified therein which quarter day shall for
        the purposes of this Schedule be a Review Date

6.7     A memorandum of the Principal Rent ascertained from time to time in
        accordance with this Schedule shall be signed by and on behalf of the
        Tenant and the Landlord respectively and exchanged between them

6.8     Time shall not be of the essence in agreeing or determining the reviewed
        rent

7       Having been authorised to do so by order of the Central London County
        Court made on the ___ day of ____________ 1996 under the provisions of 
        Section 38 of the Landlord and Tenant Act 1954 (as amended by Section 5
        of the Law of Property Act 1989) the Landlord and the Tenant hereby
        agree that the provisions of Sections 24-28 of the said Act shall be
        excluded in relation to the tenancy hereby created


                                      -30-


8       If either the Landlord or the Tenant wishes to determine this Lease on
        the fifth anniversary of the term commencement date and shall have given
        to the other party not less than six months' prior written notice then
        upon the said date this Lease shall determine and cease without
        prejudice to the rights and remedies of either the Landlord or the
        Tenant against the other in respect of any antecedent claim or breach of
        covenant

9       The parties hereby certify that there is no prior agreement for lease
        to which this lease gives effect

EXECUTED AS A DEED by the parties hereto


                                      -31-


                                 FIRST SCHEDULE

        All those parts of the third floor of the Building shown for the purpose
        of identification only edged red on the plan annexed hereto including

        (a)    all non-loading walls within the same

        (b)    the internal plastered coverings and plaster work of the walls
               and structure bounding the same

        (c)    all doors and door frames and secondary glazing

        (d)    all glass in the windows

        (e)    all false ceilings and floors and their respective fittings and
               supports

        (f)    the surfaces of the floor slab and ceiling slab

        (g)    all conduits now or hereafter laid or installed in any part of
               the Building and serving exclusively the demised premises

        (h)    all fixtures and fittings from time to time thereon

        but excluding

        (a)    any part or parts of the Building (other than any conduits
               expressly included) lying above the surface of the ceiling slab
               or below the surface of the floor slab

        (b)    all structural parts of the Building and the window frames


                                      -32-


                               THE SECOND SCHEDULE

1       The right of passage and running of water soil gas electricity and other
        services in and through the conduits made or to be made in upon through
        or under the Building

2       The rights to use the showers toilets and lavatory  accommodation on the
        same and adjacent floors of the Building

3       The right to pass and repass over along and through the entrance doors
        reception hall staircases lifts passages and corridors in the Building
        for the purposes of access to and egress from the demised premises the
        said showers toilets and lavatory accommodation

4       The right in the case of emergency only to pass and repass over along
        and through the exit doors staircases passages and corridors of the
        Building intended for the use of the tenants and occupiers of the
        Building

5       The right and liberty at all reasonable hours and upon giving reasonable
        prior notice to enter and remain upon any other part of the Building in
        connection with the inspection repair or maintenance of the demised
        premises subject to those exercising such right causing as little damage
        and inconvenience as possible and making good all damage


                                      -33-


                               THE THIRD SCHEDULE

1       The right to erect or alter or to consent to the erection or alteration
        of any building for the time being on any adjoining or neighbouring
        property notwithstanding that such erection or alteration may diminish
        the access of light and air enjoyed by the demised premises and the
        right to deal with any such property as it may think fit

2       The right of free and uninterrupted passage and running of water soil
        gas electricity and of all other services and supplies through such
        conduits as are now or may hereafter be in on or under the Building or
        any adjoining or neighbouring property or any buildings now or hereafter
        erected thereupon together with the right on reasonable prior written
        notice to enter upon the demised premises to inspect repair or maintain
        any such conduits

3       The right on reasonable prior written notice to enter upon the demised
        premises in connection with the erection alteration improvement repair
        or maintenance of any other parts of the Building and for such purpose
        to underpin shore up and bond and tie into the structure of the demised
        premises making good any damage caused to the demised premises thereby
        as soon as reasonably practical

4       The right on reasonable notice to lay or construct new conduits in on or
        under the demised premises and to connect into such conduits as are now
        or may hereafter be in on or under the demised premises other than
        conduits capable of serving only the demised premises the person
        exercising such right making good any damage caused to the demised
        premises thereby as soon as reasonably practical

5       The rights and liberties to enter upon the demised premises in the
        circumstances in which in the covenants by the Tenant contained in these
        presents the Tenant covenants to permit such entry making good any
        damage caused to the demised premises thereby as soon as reasonably
        practical


                                      -34-


6       The right on reasonable prior notice to enter upon the demised premises
        for the purpose of complying with the Landlord's covenants contained in
        these presents

7       The right temporarily to close any part of the Building other than the
        demised premises and to temporarily discontinue any of the services
        subject to the Landlord at all times providing adequate alternative
        lavatory accommodation access and other services for use in connection
        therewith

8       The right in case of emergency only to pass and repass over and through
        the demised premises for the purpose of gaining access to a place of
        safety

9       All existing easement quasi-easements privileges and rights whatsoever
        now enjoyed (if any) by other parts of the Building or adjoining or
        neighbouring property in under over or in respect of the demised
        premises as if such parts of such property had at all times heretofore
        been in separate ownership and occupation and such matters had been
        acquired by prescription or formal grant


                                      -35-


                               THE FOURTH SCHEDULE

1       On every quarter day (or within fourteen days of demand if later) the
        Tenant shall pay to the Landlord such sum as the Landlord may from time
        to time specify to be one quarter of a fair and reasonable estimate of
        the service charge for the then current year ending 31st December
        (hereinafter called "the Financial Year")

2       The amount of the service charge payable by the Tenant shall be such
        percentage (this being the relationship of the net lettable area of the
        demised premises to the net lettable area of the Building but so that
        such ratio shall be adjusted to take account of relevant factors
        including without prejudice to the generality of the foregoing the use
        of other areas of the Building) of the Landlord's Expenses which
        expression means the aggregate of

        (a)    all amounts sums costs and expenses which may from time to time
               be expended incurred contributed to or become payable by the
               Landlord or any person on the Landlord's behalf in complying with
               the Landlord's obligations under Clause 4 (save for the payment
               of rent under the Headlease) in respect of that year and

        (b)    a fair provision for the replacement and renewal of apparatus
               machinery plant or equipment by means of depreciation or sinking
               fund and for future costs outgoings and other expenditure of the
               type hereinbefore described which are of a recurring nature
               (whether recurring by regular or irregular periods) as the
               Landlord may reasonably and fairly attribute to the demised
               premises for the Financial Year in question and shall be payable
               proportionately in respect of any Financial Year falling partly
               within the term

3       As soon as practical after the end of each Financial Year the Landlord
        shall prepare a true and fair summary of the Landlord's expenses for the
        year and a certificate of 


                                      -36-


        the amount of the service charge payable by the Tenant in respect of the
        year (which summary and which certificate shall save in the case of
        manifest error be conclusive evidence for the purposes hereof of the
        matters to which they refer) and deliver copies to the Tenant

4       If the amount so certified is greater than the payments made on account
        thereof then the Tenant shall within fourteen days of receipt of such
        certificate pay the balance outstanding and if less the Landlord shall
        give credit to the Tenant against payment on account for the then
        Financial Year or refund the balance to the Tenant if the term has
        expired

5       The Tenant may not object to the Landlord's expenses or any item
        comprised in them or otherwise on the ground that:

        (a)    an item of the total costs included at a proper cost might have
               been provided or performed at a lower cost or

        (b)    an item of the total costs fails to comply with an estimate which
               was given or

        (c)    an item of the total costs includes an element of betterment or
               improvement of the Building its services or its amenities or

        (d)    the Tenant disagrees with any estimate of future expenditure
               which the Landlord reasonably requires to make provision so long
               as the Landlord has acted reasonably and in good faith or

        (e)    the Tenant disagrees with the Landlord's exercise of any
               discretion reserved to it so long as the Landlord has acted
               reasonably and properly in reaching the conclusion the Landlord
               has reached

6       For the avoidance of doubt it is declared that:-


                                      -37-


        (a)    in determining the percentage referred to in paragraph 2 of this
               Schedule the Landlord shall work on the basis that the whole of
               the Landlord's Expenses in any Financial Year are to be fairly
               and equitably apportioned by way of service charge between the
               tenants or occupiers of all parts of the Building and (in respect
               of any parts of the Building which are unlet but intended for
               letting) the Landlord

        (b)    in calculating the amount of the service charge to be paid by the
               Tenant the Landlord may apply the same or different percentages
               to constituent elements of the Landlord's expenses

        (c)    if the Landlord has insufficient moneys in hand on account of
               service charges (otherwise than by reason of a default on the
               payment of such charges by other tenants or occupiers and
               advances its own funds to meet the Landlord's expenses such funds
               shall carry interest at two per centum per annum above the base
               rate of The Royal Bank of Scotland Plc from the date they are
               advanced until reimbursement and such interest shall be added to
               and form part of the Landlord's expenses for the Financial Year
               in question

        (d)    the payments demanded on account shall be deemed to be part of
               the service charge for the purpose of the reservation of rent and
               the covenant by the Tenant to pay the same and

        (e)    the Landlord shall be entitled after reasonable prior notice to
               the Tenant at its reasonable discretion to suspend or discontinue
               the provision of the services or other matters set out or
               referred to in the Fifth Schedule whether or not substituting
               others in their place

        (f)    (i)    the Landlord shall keep the sinking fund payments (if
                      any) paid by the Tenant in a separate interest earning
                      deposit account until and 


                                      -38-


                      save to the extent that they may be required for the 
                      purposes provided for in the Fifth Schedule

               (ii)   interest on the amounts outstanding to the credit of the
                      sinking fund account shall be credited to the account net
                      of any tax payable in respect of such interest

               (iii)  until actual disbursement such amounts held in the sinking
                      fund account shall be held by the Landlord for the benefit
                      of the owners tenants and occupiers of the Building as a
                      class

               (iv)   the receipt of the Landlord's successor to the reversion
                      immediately expectant on the termination of the term shall
                      relieve the Landlord from any liability as to the future
                      application of such amounts

7       The provisions of this Schedule shall continue to apply notwithstanding
        the fact that the term has determined whether by effluxion of time or
        otherwise but only down to the date of such determination


                                      -39-


                               THE FIFTH SCHEDULE

1       Washing and painting in appropriate colours and treating in an
        appropriate manner all the wood iron cement stucco work and other
        exterior surfaces of the Building usually so painted or treated as the
        case may be

2       Repairing maintaining renewing and improving the entrance hall landings
        staircases passages showers lavatories toilet accommodation and other
        parts of the Building which are neither the responsibility of the Tenant
        nor of any other tenant or occupier of the Building

3       Keeping such parts in good decorative repair suitably furnished lighted
        cleaned and carpeted and provided with fire extinguishing equipment

4       Repairing maintaining renewing and improving security and fire alarm
        systems throughout the Building

5       Paying all existing and future rates taxes duties assessments charges
        impositions and outgoings whether local or of any other description
        which now are or shall at any time be payable in respect of the entirety
        of the Building or the common parts of the Building and in the event of
        the common parts or any part thereof being assessed or charged together
        with any other part of the Building let or available for letting a due
        proportion thereof to be conclusively determined by the Landlord

6       Supplying hot water to the Building

7       Operating  maintaining repairing and where necessary replacing all plant
        equipment and appliances used in the supply of services in the Building

8       Paying all costs and expenses incurred by the Landlord in the running
        and management of the Building and the collection of the rents and
        service charges (including agents fees where agents are retained or a
        sum on account of administrative costs if such matters are dealt with by
        the Landlord) and the 


                                      -40-


        expenses properly incurred in providing the services of a building 
        manager and reception maintenance security cleaning and caretaking staff

9       Paying and discharging all costs and expenses payable by the Landlord in
        respect of the making repairing maintaining rebuilding altering and
        cleansing of all conduits party structures and other conveniences which
        shall belong to or be used by the owners and occupiers of the Building
        in common with other premises

10      Carrying out in accordance with the directions of the insurers such
        works as may be recommended or required by them and are not the
        responsibility of the Tenant or of any other tenant or occupier of the
        Building

11      Complying with the requirements of any Act of Parliament regulations
        orders instruments or bye-laws whether now in existence or hereafter to
        be made in respect of those parts of the Building which are not the
        responsibility of the Tenant or of any other tenant or occupier of the
        Building

12      Discharging any taxes which may be assessed or charged on the Landlord's
        expenses or any service charge fund or any income on either of them or
        in respect thereof

13      Meeting Value Added Tax (insofar as the same shall be irrecoverable by
        the Landlord) or any other tax or assessment incurred or payable by the
        Landlord or on its behalf on or in respect of any payment made as part
        of the Landlord's expenses

14      Providing and supplying such other services or facilities making such
        other payments or carrying out such other repairs improvements and works
        (including the provision replacement or improvement of plant and
        machinery) as in the reasonable opinion of the Landlord and in the
        interest of good estate management may be necessary to maintain the
        Building as a high class building or may be for the benefit of the
        tenants or occupiers thereof

15      Complying with the terms of the Headlease except for payment of rent
        thereunder


                                      -41-


                                 SIXTH SCHEDULE

                               Surety's Covenants

1       Guarantee of Tenant's performance

        The Surety hereby covenants with the Landlord as a primary obligation
        that

1.1     the Tenant will pay the Rents on the days and in manner aforesaid and
        will duly perform and observe all the Tenant's covenants herein and that
        in case of default the Surety will pay and make good to the Landlord on
        demand all loss damages costs and expenses thereby arising or incurred
        by the Landlord

1.2     the Surety will enter into any further lease granted by the Landlord to
        the Tenant whether pursuant to the Landlord and Tenant Act 1954 or
        otherwise to guarantee the obligations of the Tenant under such lease
        such guarantee to be on terms identical (mutatis mutandis) to the terms
        of this guarantee or on such other terms as may be required by the
        Landlord

1.3     in the event that a liquidator or trustee in bankruptcy shall disclaim
        or surrender the Lease or the Lease shall be forfeited the Surety shall
        if the Landlord so requires by notice given to the Surety within three
        (3) months after such event take from the Landlord a new lease of the
        Premises for the residue of the Term unexpired at the date of such event
        and at the Rents then payable and subject to the terms of this Lease in
        every respect and to execute and deliver to the Landlord a counterpart
        thereof and to pay to the Landlord the costs thereof

1.4     in the event that the Landlord shall not require the Surety to take up a
        lease in accordance with the provisions of paragraph 1.3 then the Surety
        shall pay to the Landlord a capital sum in the amount of the Rents that
        would have otherwise have been payable under this Lease in respect of
        the period of three months from the date of disclaimer surrender or
        forfeiture


                                      -42-


2       It is hereby agreed that

2.1     the Surety shall not be released or discharged in any way from its
        obligations under this Lease by

2.1.1   any neglect or forbearance of the Landlord in endeavouring to obtain
        payment of the Rents when the same become payable or to enforce
        performance or observance of the Tenant's covenants herein and any time
        which may be given by the Landlord to the Tenant

2.1.2   any variation of the terms of this Lease

2.1.3   the  transfer  of  the  Landlord's   reversionary  interest  immediately
        expectant on the termination of the Term

2.1.4   any refusal by the Landlord to accept rent tendered by or on behalf of
        the Tenant at a time when the Landlord was entitled to re-enter the
        Premises

2.1.5   any legal limitation  and/or  incapacity of the Tenant and/or any change
        in the constitution or powers of the Tenant the Surety or the Landlord

2.1.6   any liquidation administration or bankruptcy of the Tenant or the Surety

2.1.7   any other act omission matter or thing  whatsoever  whereby but for this
        provision the Surety would be released

2.2     The Surety shall not be entitled to participate in or be subrogated to
        any security held by the Landlord in respect of the Tenant's obligations
        or otherwise to stand in the place of the Landlord in respect of any
        such security

2.3     The Surety hereby waives any right to require the Landlord to pursue
        against the Tenant any rights which may be available to the Landlord
        before proceeding against the Surety


                                      -43-


2.4     The benefit of this  guarantee  shall ensure for the successors in title
        of the Landlord without the requirement of any express assignment


                                      -44-


        ORIGINAL


        Executed as a Deed by               )
        SECURUM PROPERTY HOLDINGS LIMITED   )        [SEAL]
        in the presence of:                 )



               Director                 /s/ [ILLEGIBLE}



               Secretary                /s/ [ILLEGIBLE}


                                      -45-


        COUNTERPART


        Executed as a Deed for and on behalf of )
        CME DEVELOPMENT CORPORATION INC         )
        acting by                               )
        and


                                      -46-