Document:

DATA SYSTEMS & SOFTWARE INC.
                                  200 ROUTE 17
                            MAHWAH, NEW JERSEY 07430

                                                  January 26, 2001

Mr. Daniel Saks
Bounty Investors LLC
c/o WEC Asset Management, LLC
110 Colabaugh Pond Road,
Croton-on-Hudson, New York 10520-3218

         RE: DATA SYSTEMS & SOFTWARE INC.
             REGISTRATION STATEMENT     .
             ----------------------------

Dear Mr. Saks:

     I am writing to confirm the  agreement of Data Systems & Software Inc. (the
"Company") and Bounty Investors LLC ("Bounty")  relating to Bounty's holdings of
84,794  unregistered  shares of Common Stock of the Company (the "Shares") and a
currently  exercisable warrant to purchase 100,000 shares of Common Stock of the
Company at an exercise  price of $3.06625  per share and expiring on October 12,
2002 (the Warrant"). We have agreed as follows:

     1. THE  SHARES;  THE WARRANT  SHARES.  Bounty  hereby  waives all rights or
claims it has or may in the future  have,  as the owner of the  Shares,  arising
under the Registration Rights Agreement dated as of October 12, 1999 between the
Company and Bounty (the "Registration  Rights  Agreement")  relating to Bounty's
rights to receive from the Company any cash  penalties  under  Section  2(b)(ii)
thereof  as a result  of any  past or  future  failure  of the  Company  to have
declared  effective by the  Securities  and Exchange  Commission a  registration
statement (the  Registration  Statement")  covering the resale of the Shares and
the shares of Common Stock of the Company issuable upon exercise of the Warrants
(the  "Additional  Shares")  by Bounty or any of its  transferees.  Bounty  also
waives  all  rights or claims to any other  damages  it has or may have,  as the
owner  of the  Shares  and  the  Warrant,  as a  result  of the  failure  of the
Registration Statement to have been declared effective through the date hereof.

     2. REGISTRATION  OBLIGATIONS.  The parties  acknowledge that the Shares and
any shares issuable upon exercise of the Conversion  Right in Section 2.5 of the
Warrant ("Cashless Shares") may be sold without  registration in compliance with
Rule 144.  The Company  agrees to  facilitate  any such sale by  satisfying  the
current public information requirements of Rule 144(c) and otherwise by promptly
causing an appropriate  legal opinion to be delivered to the Company's  transfer
agent. The Company also covenants and agrees to continue to use its best efforts
to have the  Registration  Statement,  which  covers the resale by Bounty of the
Shares and the Additional  Shares  (including both shares issued upon payment of
the applicable exercise price ("Warrant Shares") and Cashless Shares),  declared
effective  as promptly as  practicable  and to make its best efforts to maintain
the  effectiveness   thereof.  The  parties  acknowledge  that  if  the  Company
satisfactorily  uses its best efforts,  it shall not be liable to Bounty for any
damages  resulting  from its failure to satisfy its  obligations  under Sections
2(a) and 2(b) of the Registration Rights Agreement.

<PAGE>

Mr. Daniel Saks
January 26, 2001
Page 2

     3. SALE OF WARRANT SHARES AND CASHLESS SHARES. The Company agrees to pay to
Bounty an amount equal to the difference  between  $193,375 and the Profits from
Sales (as defined below),  provided that Bounty must (i) exercise the Warrant in
full and sell all Warrant Shares and Cashless Shares in transactions effectuated
in the  public  markets  on or  before  October  12,  2002 and (ii) on or before
November 1, provide the Company with satisfactory  evidence of such sales and of
the net proceeds  after  payment of  reasonable  commissions  received from such
sales.  The parties  acknowledge and agree that a copy of a brokerage  statement
shall constitute  satisfactory  evidence of the net proceeds  received from such
sales by Bounty.  "Profits  from Sales" means the net proceeds  after payment of
reasonable  commissions  received by Bounty from the sale of all Warrant  Shares
and Cashless  Shares,  less (i) the  aggregate  Warrant Price (as defined in the
Warrant) paid to the Company for any Warrant Shares acquired upon the partial or
total  exercise  of the  Warrant or (ii) zero in  connection  with any  Cashless
Shares upon the partial or total exercise of the Warrant.

     Except as modified by the terms of this letter agreement, the provisions of
the Registration Rights Agreement remain in full force and effect.

     If the foregoing accurately reflects our agreement, please sign below where
indicated  and  return  a copy of  this  letter  to us by fax at  your  earliest
convenience.

                                           Very truly yours,

                                           DATA SYSTEMS & SOFTWARE INC.

                                           By:_________________________________
                                                    George Morgenstern,
                                                    President

ACCEPTED AND AGREED:

BOUNTY INVESTORS LLC

By:________________________
      Name:
      Title:INDUSTRIAL
                                 LEASE AGREEMENT

       THIS LEASE is executed  this 5TH day of  FEBRUARY , 2001,  by and between
DUKE-WEEKS   REALTY  LIMITED   PARTNERSHIP,   an  Indiana  limited   partnership
("LANDLORD"),   and  COMVERGE   TECHNOLOGIES,   INC.,  a  Delaware   corporation
("TENANT").

                                   WITNESSETH:

                          ARTICLE 1 - LEASE OF PREMISES
                          -----------------------------

       SECTION 1.01. BASIC LEASE PROVISIONS AND DEFINITIONS.

A.     Leased  Premises (shown  outlined on EXHIBIT "A" attached  hereto):  4497
       Park  Drive,  Norcross,  Georgia,  30093  (the  "BUILDING");  located  in
       Gwinnett Park (the "PARK");

B.     Rentable Area: approximately 31,668 square feet in the Building which has
       89,204 square feet rentable area.

C.     Tenant's Proportionate Share: 35.50%;

D.     Minimum Annual Rent:                       FOR EACH OF YEARS:
                                                  -----------------
                                                  Year 1        $201,883.50
                                                  Year 2        $277,253.34
                                                  Year 3        $285,570.94
                                                  Year 4        $294,137.07
                                                  Year 5        $302,962.21
                                                  Year 6        $78,012.77

E.     Monthly Rental Installments:               FOR EACH OF MONTHS:
                                                  ------------------
                                                  Months 1 - 6     $11,215.75
                                                  Months 7 - 12    $22,431.50
                                                  Months 13 - 24   $23,104.45
                                                  Months 25 - 36   $23,797.58
                                                  Months 37 - 48   $24,511.42
                                                  Months 49 - 60   $25,246.85
                                                  Months 61 - 63   $26,004.26

F.     Landlord's Share of Taxes and Insurance per Rentable Square Foot: $.47;

G.     Lease Term: Five (5) years; and three (3) months;

H.     Target Commencement Date: March 1, 2001, subject to the provisions of
       Section 2.01 below;

I.     Security Deposit: $26,004.26: Landlord shall transfer Tenant's security
       deposit from Tenant's existing lease (in the amount of $10,000) and
       Tenant shall deposit the remaining

                                       1
<PAGE>

       amount of $16,004.26 to equal to last month's Monthly Rental Installment,
       as described in Article 4 herein;

J.     Guarantor(s): Data Systems & Software, Inc. pursuant to the terms of a
       separate Unconditional Limited Guaranty of Lease Agreement;

K.     Tenant's Broker(s): Richard Bowers & Co.;

L.     Permitted Use: General office, warehousing, manufacturing, assembly,
       testing, distribution, computer laboratory and related purposes;

M.     Address for notices:

       Landlord:                Duke-Weeks Realty Limited Partnership
                                3950 Shackleford Road, Suite 300
                                Duluth, Georgia 30096-2868
                                Attn:  Legal Department

       Tenant:                  Comverge Technologies, Inc.
                                23 Vreeland Road, Suite 160
                                Florham Park, New Jersey 07932

       With a copy to:          Ehrenreich, Eilenberg, Krause & Zivian
                                11 East. 44th Street
                                17th Floor
                                New York, New York, 10017
                                Attn: Sheldon Krause, Esq.

       Guarantor:               Data Systems & Software, Inc.
                                200 Route 17 South
                                Mahwah, New Jersey 07430
                                Attn: Mr. Shlomie Morgenstern

       Address for rental and other payments:

                                Duke-Weeks Realty Limited Partnership
                                P.O. Box 945703
                                Atlanta, Georgia 30394-5703

       Exhibits attached hereto:
              Exhibit "A":      Site plan of Leased Premises
              Exhibit "B":      Improvements to the Leased Premises
              Exhibit "B-1":    Plans and Specifications
              Exhibit "C":      Letter of Understanding
              Exhibit "D":      Special Stipulations
              Exhibit "E":      Furniture Inventory

                                       -2-
<PAGE>

       SECTION 1.02. LEASED PREMISES. Landlord hereby leases to Tenant and
Tenant leases from Landlord, under the terms and conditions herein, the Leased
Premises.

                         ARTICLE 2 - TERM AND POSSESSION
                         -------------------------------

       SECTION 2.01. TERM. The term of this Lease ("LEASE TERM") shall be for
the period of time as set forth in SECTION 1.01(G) hereof, and shall commence
(the "COMMENCEMENT DATE") on the later to occur of March 1, 2001 or the
Substantial Completion Date (as hereinafter defined) unless delayed by Landlord
or by an act or omission of Tenant ("Tenant Delays", as more specifically
defined in EXHIBIT "B"). The "SUBSTANTIAL COMPLETION DATE" shall be defined as
the date the approximate 19,070 square feet of space within the Leased Premises
depicted on Exhibit A as Phase I ("PHASE I") is delivered to Tenant the with
work on Phase I to be performed by Landlord as described in EXHIBIT "B" AND
"B-1", substantially completed, subject only to punchlist items to be identified
by Landlord and Tenant in a joint inspection of the Phase I work prior to
Tenant's occupancy, the completion of which will not materially affect Tenant's
use and occupancy of, or ability of Landlord to obtain an occupancy permit for
Phase I (from a construction aspect perspective as opposed to Tenant's
particular use perspective). Notwithstanding the foregoing but subject to Tenant
Delays (as defined in EXHIBIT "B"), if the Substantial Completion Date is
delayed due to Landlord or its General Contractor's (as defined in EXHIBIT "B")
acts or omissions, the Lease Term and any obligation to pay the Minimum Annual
Rent or Additional Rent shall be postponed until the Phase I work shall be
delivered to Tenant on the date the work on the Phase I is to be performed by
Landlord as described in EXHIBIT "B" AND "B-1". Upon delivery of possession of
the Leased Premises to Tenant, Tenant shall execute Landlord's Letter of
Understanding form, attached hereto as EXHIBIT "C", acknowledging (i) the
Commencement Date of this Lease, and (ii) except for the punchlist items, Tenant
has accepted the Leased Premises. If Tenant takes possession of and occupies the
Leased Premises, Tenant shall be deemed to have accepted the Leased Premises and
that the condition of the Leased Premises and the Building was at the time
satisfactory and in conformity with the provisions of this Lease in all
respects, subject to punchlist items. Landlord agrees to give at lease ten (10)
days prior notice in writing of the anticipated Substantial Completion Date.

       SECTION 2.02. CONSTRUCTION OF TENANT IMPROVEMENTS. Tenant has personally
inspected the Leased Premises and accepts the same "AS IS" without
representation or warranty by Landlord of any kind and with the understanding
that Landlord shall have no responsibility with respect thereto except to
construct Phase I and Phase II, as requested by Tenant and described in EXHIBIT
"B", in a good and workmanlike manner and lien-free all the improvements
designated in the Plans and Specifications and Landlord's obligations in the
attached EXHIBITS "B" AND "B-1", which shall be in accordance with and at the
expense of the party indicated on EXHIBIT "B".

       As of February 1, 2001, Tenant may enter upon the Leased Premises for
purposes of taking measurements, making plans, installing trade fixtures and
telephones, erecting temporary or permanent signs and doing such other work as
may be appropriate or desirable without being deemed thereby to have taken
possession or obligated itself to Minimum Annual Rent or Additional Rent but
Tenant agrees that all provisions of this Lease shall be applicable as of the
date of Lease execution including but not limited to the following: (a) Landlord
shall have no liability for injury to any person or damage to any property of
Tenant stored on the Leased Premises except for damages caused by the willful
act or gross negligence of Landlord or its employees or agents, (b) Tenant shall
not interfere with Landlord's construction work on the Leased Premises, (c)
Tenant shall indemnify, protect and hold harmless Landlord from and against any
and all claims, demands, damages, losses, costs, expenses, liabilities and
actions at law or in equity based upon any occurrence or condition arising out
of or attributable to Tenant's exercise of such right, and (d) Tenant shall

                                      -3-
<PAGE>

be solely responsible for the obtaining any necessary permits for any such work
it performs apart from and in addition to the work described in EXHIBIT "B" OR
EXHIBIT "B-1", the permitting for which is Landlord's sole responsibility.

       SECTION 2.03. SURRENDER OF THE PREMISES. Upon the expiration or earlier
termination of this Lease, Tenant shall immediately surrender the Leased
Premises to Landlord in broom-clean condition and in good condition and repair,
and in the state delivered to Tenant on the Commencement Date (including all of
the work Landlord performed under Exhibits B and B-1), reasonable wear and tear
excepted. Tenant shall also remove its furniture, personal property, trade
fixtures and any of Tenant's alterations designated by Landlord, promptly repair
any damage caused by such removal, reasonable wear and tear expected. If Tenant
fails to do so, Landlord may restore the Leased Premises to such condition at
Tenant's expense, Landlord may cause all of said property to be removed at
Tenant's expense, and Tenant hereby agrees to pay all the costs and expenses
thereby reasonably incurred. All Tenant property which is not removed within ten
(10) days following Landlord's written demand therefor shall be conclusively
deemed to have been abandoned by Tenant, and Landlord shall be entitled to
dispose of such property at Tenant's cost without thereby incurring any
liability to Tenant. The provisions of this section shall survive the expiration
or other termination of this Lease.

           SECTION 2.04. HOLDING OVER. If Tenant retains possession of the
Leased Premises after the expiration or earlier termination of this Lease,
Tenant shall become a tenant from month to month at one hundred fifty percent
(150%) the Monthly Rental Installment in effect at the end of the Lease Term,
and otherwise upon the terms, covenants and conditions herein specified, so far
as applicable. Acceptance by Landlord of rent in such event shall not result in
a renewal of this Lease, and Tenant shall vacate and surrender the Leased
Premises to Landlord upon Tenant being given thirty (30) days' prior written
notice from Landlord to vacate whether or not said notice is given on the rent
paying date. This SECTION 2.04 shall in no way constitute a consent by Landlord
to any holding over by Tenant upon the expiration or earlier termination of this
Lease, nor limit Landlord's remedies in such event.

                                ARTICLE 3 - RENT
                                ----------------

       SECTION 3.01. BASE RENT. Tenant shall pay to Landlord the Minimum Annual
Rent in the Monthly Rental Installments, in advance, without deduction or
offset, beginning on the Commencement Date and on or before the first day of
each and every calendar month thereafter during the Lease Term. The Monthly
Rental Installment for partial calendar months shall be prorated.

       SECTION 3.02. ADDITIONAL RENT. In addition to the Minimum Annual Rent
Tenant shall pay to Landlord for each calendar year during the Lease Term, as
"ADDITIONAL RENT": (a) Tenant's Proportionate Share of all costs and expenses
incurred by Landlord during the Lease Term for Operating Expenses for the
Building and common areas. Notwithstanding the foregoing, Tenant's Proportionate
Share of Operating Expenses shall be equal to $12,033.84 for the first year of
the Lease Term; and (b) Tenant's Proportionate Share of any increase in
Insurance Premiums (as herein defined) and Real Estate Taxes (as herein defined)
over the combined base amount for 2001 of $.46 and $.01, respectively,
aggregating, $.46 per rentable square foot in total.

       "OPERATING EXPENSES" shall mean all of Landlord's actual expenses for
operation, repair, replacement and maintenance to keep the Building and common
areas in good order, condition and repair, (including all additional direct
costs and expenses of operation and maintenance of the Building which Landlord
reasonably determines it would have paid or incurred during such year if the
Building had been fully occupied), including, but not limited to, management or
administrative fees; insurance

                                      -4-
<PAGE>

deductibles; stormwater discharge fees; license, permit, inspection and other
fees; fees and assessments imposed by any covenants or owners' association;
security services; and maintenance, repair and replacement of the driveways,
parking areas (including snow removal), exterior lighting, landscaped areas,
walkways, curbs, drainage strips, sewer lines, exterior walls, foundation,
structural frame, roof and gutters. The cost of any capital improvement shall be
amortized over the useful life of such improvement (as reasonably determined by
Landlord), and only the amortized portion shall be included in Operating
Expenses. Notwithstanding anything contained herein or otherwise in this Lease
to the contrary, Operating Expenses shall exclude the following: brokerage
commissions; costs associated with leasing space to other tenants; tenant
improvements for other tenants; repairs due to Landlord's or other tenant's
gross negligence; and water and sewer charges and gas and electric charges for
the Leased Premises which Landlord represents are separately metered.

       "INSURANCE PREMIUMS" shall include, except as otherwise noted in Section
5.02, actual insurance premiums for insurance coverage on the Building or common
areas and shall include all fire and extended coverage insurance on the Building
and all liability insurance coverage on the common areas of the Building, and
the grounds, sidewalks, driveways and parking areas on the Land, together with
such other insurance coverages, including, but not limited to, rent interruption
insurance, as are from time to time obtained by Landlord.

       "REAL ESTATE TAXES" shall include any form of actual real estate tax or
assessment or service payments in lieu thereof (paid over the longest period
possible), and any license fee, commercial rental tax, improvement bond or other
similar charge or tax (other than inheritance, corporate or personal income or
estate taxes) imposed upon the Building or common areas by any authority having
the power to so charge or tax, together with reasonable costs and expenses of
contesting the validity or amount of Real Estate Taxes which at Landlord's
option may be calculated as if such contesting work had been performed on a
contingent fee basis (whether charged by Landlord's counsel or representative;
provided, however, that said fees are reasonably comparable to the fees charged
for similar services by others not affiliated with Landlord, but in no event
shall fees exceed thirty-three percent (33%) of the good faith estimated tax
savings. Additionally, Tenant shall pay, prior to delinquency, all taxes
assessed against and levied upon trade fixtures, furnishings, equipment and all
personal property of Tenant contained in the Leased Premises. Real Estate Taxes
also shall exclude any taxes, assessments, fees or other charges associated with
Landlord's business of leasing the Building.

       SECTION 3.03. PAYMENT OF ADDITIONAL RENT. Landlord shall estimate the
total amount of Additional Rent to be paid by Tenant during each calendar year
of the Lease Term, pro-rated for any partial years. Commencing on the
Commencement Date, Tenant shall pay to Landlord each month, at the same time the
Monthly Rental Installment is due, an amount equal to one-twelfth (1/12) of the
estimated Additional Rent for such year. Within a reasonable time after the end
of each calendar year, Landlord shall submit to Tenant a statement of the actual
amount of such Additional Rent and within thirty (30) days after receipt of such
statement, Tenant shall pay any deficiency between the actual amount owed and
the estimates paid during such calendar year. In the event of overpayment,
Landlord shall credit the amount of such overpayment toward the next installment
of Minimum Rent.

       SECTION 3.04. LATE CHARGES. Tenant acknowledges that Landlord shall incur
certain additional unanticipated administrative and legal costs and expenses if
Tenant fails to timely pay any payment required hereunder. Therefore, in
addition to the other remedies available to Landlord hereunder, if any payment
required to be paid by Tenant to Landlord hereunder shall become more than ten
(10) days overdue, such unpaid amount shall bear interest from the due date
thereof at the rate of eight percent (8%) per annum.

                                      -5-
<PAGE>

       SECTION 3.05. RIGHT TO AUDIT. Tenant will be entitled from time to time
to audit and verify the operations of the Building and the related books and
records of Landlord to assure that the Operating Expenses, Real Estate Taxes,
Insurance Premiums and all Additional Rent from time to time reported by
Landlord are in keeping with the provisions of this Article. As to any calendar
year, any undertaking by Tenant must be initiated within ninety (90) days of
Tenant's receipt of Landlord's statement of actual Operating Expenses for the
previous calendar year; and absent fraud or gross negligence on Landlord's part,
the Operating Expenses as timely reported by Landlord for the calendar year will
be deemed controlling upon the expiration of Tenant's audit and verification
rights for such calendar year. In the event of any errors, the appropriate party
will make a correcting payment in full to the other party within thirty (30)
days after the determination and communication to all parties of the amount of
such error. In the event of any errors on the part of Landlord in excess of ten
percent (10%) of Tenant's actual expenses liability for that calendar year,
Landlord will also reimburse Tenant for all costs of the audit and verification
reasonably incurred by Tenant within the 30-day period.

                          ARTICLE 4 - SECURITY DEPOSIT
                          ----------------------------

       Upon execution of this Lease, Tenant shall deposit with Landlord the
balance of sums necessary so that Landlord shall have as a security deposit a
sum equal to last month's Monthly Rental Installment. Concurrently with
execution of this Lease, Landlord shall transfer Tenant's Security Deposit, in
the amount of Ten Thousand and No/100 Dollars ($10,000.00), from the existing
lease between Comverge Technologies, Inc. and Duke-Weeks Realty Limited
Partnership for the space commonly known as 2825 Breckinridge Blvd., Suite
170-B, Norcross, Georgia ("OLD PREMISES"), as security for the performance by
Tenant of all of Tenant's obligations contained in this Lease. In the event of a
default by Tenant Landlord may apply all or any part of the Security Deposit to
cure all or any part of such default; and Tenant agrees to promptly, upon
demand, deposit such additional sum with Landlord as may be required to maintain
the full amount of the Security Deposit. Within thirty (30) days after the end
of the Lease Term, provided that there is then no uncured default, Landlord
shall return the Security Deposit to Tenant.

                                 ARTICLE 5 - USE
                                 ---------------

       SECTION 5.01. USE OF LEASED PREMISES. Except as otherwise herein stated,
the Leased Premises are to be used by Tenant solely for the Permitted Use and
for no other purposes without the prior written consent of Landlord.

       SECTION 5.02. COVENANTS OF TENANT REGARDING USE. Tenant shall (i) use and
maintain the Leased Premises and conduct its business thereon in a safe,
careful, reputable and lawful manner, (ii) comply with all laws, rules,
regulations, orders, ordinances, directions and requirements of any governmental
authority or agency, now in force or which may hereafter be in force, including
without limitation those which shall impose upon Landlord or Tenant any duty
with respect to or triggered by a change in the use or occupation of, or any
improvement or alteration to, the Leased Premises, (iii) any protective
covenants applicable to the Park which are in effect and as may hereafter be
adopted and promulgated, provided, however, protective covenants won't prohibit,
limit, or interfere with the Permitted Use of the Leased Premises and (iv)
comply with and obey all reasonable directions of the Landlord, including any
rules and regulations that may be adopted by Landlord from time to time,
provided same are enforced against all tenants in a consistent manner. Tenant
shall not do or permit anything to be done in or about the Leased Premises or
common areas which will in any way obstruct or interfere with the rights of
other tenants or occupants of the Building or injure or annoy them. Landlord
shall use

                                      -6-
<PAGE>

commercially reasonable efforts to enforce other tenants' leases and the rules
and regulations to other occupants or tenants of the Building. Tenant shall not
overload the floors of the Leased Premises. All damage to the floor structure or
foundation of the Building due to improper positioning or storage of items or
materials shall be repaired by Landlord at the sole expense of Tenant, who shall
reimburse Landlord immediately upon demand. Tenant shall not use the Leased
Premises, or allow the Leased Premises to be used, for any purpose or in any
manner which would invalidate any policy of insurance now or hereafter carried
on the Building or increase the rate of premiums payable on any such insurance
policy unless Tenant reimburses Landlord as Additional Rent for any actual
increase in premiums paid, in which case such premiums shall not be included in
Insurance Premiums. On or before the Commencement Date, Tenant shall take
possession of, and, thereafter, continuously occupy the Leased Premises during
the term of this Lease, and operate thereon the normal business operations of
Tenant.

       SECTION 5.03. LANDLORD'S RIGHTS REGARDING USE. In addition to the rights
specified elsewhere in this Lease, Landlord shall have the following rights
regarding the use of the Leased Premises or the common areas, each of which may
be exercised without notice or liability to Tenant, (a) Landlord may install
such signs, advertisements, notices or tenant identification information as it
shall deem necessary or proper; and (b) Landlord shall have the right at any
time to control, change or otherwise alter the common areas as it shall deem
necessary or proper. Landlord or Landlord's agent shall be permitted to inspect
or examine the Leased Premises at any reasonable time upon prior reasonable
notice (except in an emergency when no notice shall be required), and Landlord
shall have the right to make any repairs to the Leased Premises which are
necessary for preservation of the Leased Premises; provided, however, that any
repairs made by Landlord shall be at Tenant's expense, except as provided in
SECTION 7.02 hereof. Provided Landlord has given appropriate notice as
referenced above, Landlord shall incur no liability to Tenant for such entry,
nor shall such entry constitute an eviction of Tenant or a termination of this
Lease, or entitle Tenant to any abatement of rent therefor.

                       ARTICLE 6 - UTILITIES AND SERVICES
                       ----------------------------------

       Notwithstanding anything contained herein to the contrary, Landlord
represents and warrants that the Leased Premises are separately metered and are
not jointly metered with any other tenant premises or any other property; which
include the following services: gas, electric, water, and sewer. Tenant shall
obtain in its own name and pay directly to the appropriate supplier the cost of
all utilities and services serving the Leased Premises. Unless due to Landlord's
gross negligence Landlord shall not be liable in damages or otherwise for any
failure or interruption of any utility or other Building service and no such
failure or interruption shall entitle Tenant to terminate this Lease or withhold
sums due hereunder. In the event of utility "deregulation", Landlord shall
choose the service provider, so long as such choice does not result in any
additional costs to Tenant. Landlord represents and warrants that the HVAC
thermostat and controls for the above mentioned services are all within the
Leased Premises.

                       ARTICLE 7 - MAINTENANCE AND REPAIRS
                       -----------------------------------

       SECTION 7.01. TENANT'S RESPONSIBILITY. During Lease Term, Tenant shall,
at its own cost and expense, maintain the Leased Premises in good condition,
regularly servicing and promptly making all non-structural, non-exterior and
non-capital improvement repairs and replacements thereto, including but not
limited to the electrical equipment, heating and air conditioning equipment,
floors, windows and doors, interior sprinkler and plumbing equipment, and shall
obtain a preventive maintenance contract on the heating, ventilating and
air-conditioning equipment, and provide Landlord with a copy thereof. The
preventive maintenance contract shall meet or exceed Landlord's standard
maintenance criteria,

                                      -7-
<PAGE>

and shall provide for the inspection and maintenance of the heating, ventilating
and air conditioning system on not less than a semi-annual basis. In the event
Tenant fails to maintain the Leased Premises as required herein or fails to
commence repairs for which it is responsible hereunder (as requested by Landlord
in writing) within thirty (30) days after such request, or fails diligently to
proceed thereafter to complete such repairs, Landlord shall have the right in
order to preserve the Leased Premises or portion thereof, and/or the appearance
thereof, to make such repairs or have a contractor make such repairs and charge
Tenant for the cost thereof as additional rent, together with interest at the
rate of eight percent (8%) per annum from the date of making such payments.
Landlord represents and warrants that the electrical equipment and systems,
heating, ventilating and air-conditioning equipment and systems, and plumbing
equipment and systems will be in good working order upon the Commencement Date
for Phase I.

       SECTION 7.02. LANDLORD'S RESPONSIBILITY. During Lease Term, Landlord
shall maintain in good condition and repair, and replace as necessary, the roof,
exterior walls, foundation and structural frame of the Building and the parking
and landscaped areas, and all other items included in Operating Expenses
pass-throughs to Tenant under Article 3 of this Lease, the costs of which shall
be included in Operating Expenses to the extent specifically included in the
definition of Operating Expenses contained in this Lease; provided, however,
that to the extent any of the foregoing items require repair because of the
negligence, misuse, or default of Tenant, its employees, agents, customers or
invitees, Landlord shall make such repairs solely at Tenant's expense, in which
case such repair expenses shall not be included in Operating Expenses passed
through to Tenant.

       SECTION 7.03. ALTERATIONS. Except as otherwise herein stated, Tenant
shall not permit alterations in or to the Leased Premises unless and until the
plans and the contractor have been approved by Landlord in writing. Other than
the Phase I work to be performed by Landlord pursuant to EXHIBITS "B" AND :B-1",
including without limitation work requested by Tenant to be performed by
Landlord within the first year of the Lease Term ("PHASE II"), as a condition of
such approval, Landlord may require Tenant to remove the alterations and restore
the Leased Premises upon termination of this Lease; otherwise, all such
alterations shall at Landlord's option become a part of the realty and the
property of Landlord, and shall not be removed by Tenant. Tenant shall ensure
that all alterations shall be made in accordance with all applicable laws,
regulations and building codes, in a good and workmanlike manner and of quality
equal to or better than the original construction of the Building. Upon
completion of the work, Tenant shall provide lien waivers from the
subcontractors or a final affidavit of lien waiver from the general contractor,
and such lien waiver shall be in a form acceptable to Landlord. No person shall
be entitled to any lien derived through or under Tenant for any labor or
material furnished to the Leased Premises, and nothing in this Lease shall be
construed to constitute a consent by Landlord to the creation of any lien. If
any lien is filed against the Leased Premises for work claimed to have been done
for or material claimed to have been furnished to Tenant, Tenant shall cause
such lien to be discharged of record within sixty (60) days after filing. Tenant
shall indemnify Landlord from all actual costs, losses, expenses and attorneys'
fees in connection with any construction or alteration and any related lien
relative to Tenant alterations in the Leased Premises.

                              ARTICLE 8 - CASUALTY
                              --------------------

       SECTION 8.01. CASUALTY. In the event of total or partial destruction of
the Building or the Leased Premises by fire or other casualty, Landlord agrees
to promptly restore and repair the Leased Premises to a condition substantially
similar to the condition that existed prior to such destruction; including,
Landlord's obligation to reconstruct all of the tenant finish improvements as
were originally required to be made by Landlord as per EXHIBIT "B" AND "B-1"
(INCLUSIVE OF THE PHASE II WORK).

                                      -8-
<PAGE>

Minimum Annual Rent and Additional Rent shall proportionately abate from the
date of destruction in the Leased Premises and continuing through the time that
the Leased Premises or part thereof are unusable because of any such damage.
Notwithstanding the foregoing, if the Leased Premises are (i) so destroyed that
they cannot be repaired or rebuilt within one hundred eighty (180) days from the
casualty date; or (ii) destroyed by a casualty which is not covered by the
insurance required hereunder or, if covered, such insurance proceeds are not
released by any mortgagee entitled thereto or are insufficient to rebuild the
Building and the Leased Premises; then, in case of a clause (i) casualty, either
Landlord or Tenant may, or, in the case of a clause (ii) casualty, then Landlord
may, upon thirty (30) days' written notice to the other party, terminate this
Lease with respect to matters thereafter accruing. Tenant waives any right under
applicable laws inconsistent with the terms of this paragraph and in the event
of a destruction agrees to accept any offer by Landlord to provide Tenant with
comparable space within the project in which the Leased Premises are located on
the same terms as this Lease. Notwithstanding the provisions of this paragraph,
if any such damage or destruction occurs within the final year of the term
hereof, then Landlord, in its sole discretion, may, without regard to the
aforesaid 180-day period, terminate this Lease by written notice to Tenant.

          SECTION 8.02. ALL RISK COVERAGE INSURANCE. During the Lease Term,
Landlord shall maintain all risk coverage insurance on the Building, but shall
not protect Tenant's property on the Leased Premises; and, notwithstanding the
provisions of SECTION 9.01, Landlord shall not be liable for any damage to
Tenant's property, regardless of cause, including the negligence of Landlord and
its employees, agents and invitees. Tenant hereby expressly waives any right of
recovery against Landlord for damage to any property of Tenant located in or
about the Leased Premises, however caused, including the negligence of Landlord
and its employees, agents and invitees. Notwithstanding the provisions of
SECTION 9.01 below, Landlord hereby expressly waives any rights of recovery
against Tenant for damage to the Leased Premises or the Building which is
insured against under Landlord's all risk coverage insurance. All insurance
policies maintained by Landlord or Tenant as provided in this Lease shall
contain an agreement by the insurer waiving the insurer's right of subrogation
against the other party to this Lease.

                         ARTICLE 9 - LIABILITY INSURANCE
                         -------------------------------

          SECTION 9.01. TENANT'S RESPONSIBILITY. Landlord shall not be liable to
Tenant or to any other person for (i) damage to property or injury or death to
persons due to the condition of the Leased Premises, the Building or the common
areas, or (ii) the occurrence of any accident in or about the Leased Premises or
the common areas, or (iii) any act or neglect of Tenant or any other tenant or
occupant of the Building or of any other person, unless such damage, injury or
death is directly and solely the result of Landlord's negligence or misconduct;
and Tenant hereby releases Landlord from any and all liability for the same.
Tenant shall be liable for, and shall indemnify and defend Landlord from, any
and all liability for (i) any act or neglect of Tenant and any person coming on
the Leased Premises or common areas by the license of Tenant, express or
implied, (ii) any damage to the Leased Premises except as otherwise provided
herein, and (iii) any loss of or damage or injury to any person (including death
resulting therefrom) or property occurring in, on or about the Leased Premises,
regardless of cause, except for: (a) any loss or damage covered by Landlord's
all risk coverage insurance as provided in SECTION 8.02; (b) that caused solely
and directly by Landlord's or any of Landlord's employees, agents, or
contractors negligence or misconduct; (c) that caused by the negligence or
misconduct of any other tenant at the Building, or the employees, agents,
invitees or contractors of any such other tenant. This provision shall survive
the expiration or earlier termination of this Lease.

                                      -9-
<PAGE>

       SECTION 9.02. TENANT'S INSURANCE. Tenant shall carry general public
liability and property damage insurance, issued by one or more insurance
companies acceptable to Landlord, with the following minimum coverages:

A.     Worker's Compensation: minimum statutory amount.

B.     Commercial General Liability Insurance, including blanket, contractual
       liability, broad form property damage, personal injury, completed
       operations, products liability, and fire damage: Not less than $3,000,000
       Combined Single Limit for both bodily injury and property damage.

C.     All Risk Coverage, Vandalism and Malicious Mischief, and Sprinkler
       Leakage insurance, if applicable, for the full cost of replacement of
       Tenant's property.

D.     Business interruption insurance.

The insurance policies shall protect Tenant and Landlord as their interests may
appear, naming Landlord and Landlord's managing agent and mortgagee as
additional insureds, and shall provide that they may not be canceled on less
than thirty (30) days' prior written notice to Landlord. Tenant shall furnish
Landlord with Certificates of Insurance evidencing all required coverages on or
before the Commencement Date. If Tenant fails to carry such insurance and
furnish Landlord with such Certificates of Insurance after a request to do so,
Landlord may obtain such insurance and collect the cost thereof from Tenant.

                           ARTICLE 10 - EMINENT DOMAIN
                           ---------------------------

          If all or any substantial part of the Building or common areas shall
be acquired by the exercise of eminent domain, Landlord or Tenant may terminate
this Lease by giving written notice to the other on or before the date that
actual possession thereof is so taken. If all or any part of the Leased Premises
shall be acquired by the exercise of eminent domain so that the Leased Premises
shall become impractical for Tenant to use for the Permitted Use, Tenant may
terminate this Lease as of the date that actual possession thereof is so taken
by giving written notice to Landlord. All damages awarded shall belong to
Landlord; provided, however, that Tenant may claim dislocation damages and
damage to and cost of trade fixtures, equipment, furniture and other personal
property, if such amount is not subtracted from Landlord's award. Upon
termination of this Lease, due to eminent domain, all of Tenant's obligations
under this Lease shall cease and be null and void.

                      ARTICLE 11 - ASSIGNMENT AND SUBLEASE
                      ------------------------------------

          Except as otherwise herein provided, Tenant shall not assign this
Lease or sublet the Leased Premises in whole or in part without Landlord's prior
written consent, which consent shall not be unreasonably withheld, delayed or
denied (provided that it shall not be unreasonable for Landlord to withhold or
deny its consent with respect to any proposed assignment or subletting to a
third party that is already a tenant in the Building or the Park). In the event
of any assignment or subletting, Tenant shall remain primarily liable hereunder,
and any extension, expansion, rights of first offer, rights of first refusal or
other options granted to Tenant under this Lease shall be rendered void and of
no further force or effect. The acceptance of rent from any other person shall
not be deemed to be a waiver of any of the provisions of this Lease or to be a
consent to the assignment of this Lease or the subletting of the Leased
Premises. Without in any way limiting Landlord's right to refuse to consent to
any assignment

                                      -10-
<PAGE>

or subletting of this Lease, Landlord reserves the right to refuse to give such
consent if in Landlord's reasonable opinion (i) the Leased Premises are or may
be in any way adversely affected; (ii) the business reputation of the proposed
assignee or subtenant is unacceptable; or (iii) the financial worth of the
proposed assignee or subtenant is insufficient to meet the obligations
hereunder. In the event any proposed assignment or sublet proposes rent that is
to be less than the then current rent for similar premises in the Park, Tenant
agrees that it shall not publicly advertise or disclose such fact to other
tenants of the Building. In the event that Tenant sublets the Leased Premises or
any part thereof, or assigns this Lease and at any time receives rent and/or
other consideration which exceeds that which Tenant would at that time be
obligated to pay to Landlord, Tenant shall pay to Landlord 50% of the gross
excess in such rent as such rent is received by Tenant and 50% of any other
consideration received by Tenant from such subtenant in connection with such
sublease or, in the case of any assignment of this Lease by Tenant, Landlord
shall receive 50% of any consideration paid to Tenant by such assignee in
connection with such assignment. Tenant agrees to reimburse Landlord for
reasonable accounting and attorneys' fees incurred in conjunction with the
processing and documentation of any such requested assignment, subletting or any
other hypothecation of this Lease or Tenant's interest in and to the Leased
Premises, in an amount not to exceed Five Hundred and No/100 Dollars ($500.00).

          Notwithstanding the foregoing, Tenant may freely transfer and assign
this Lease or sublet all or any portion of the Leased Premises (i) to any
affiliate or subsidiary of Tenant, provided that such affiliate or subsidiary
has a net worth equal to Tenant's as of the Target Commencement Date or (ii) in
connection with any merger, consolidation or sale of assets of Tenant, without
having to obtain any consent or approval of Landlord; provided, however, that
any such assignment or subletting shall not result in Tenant being released or
discharged from any liability under this Lease except to the extent Tenant
ceases to exist following any such merger or consolidation. Tenant shall provide
Landlord with written notice of such assignment or subletting prior to or
promptly following the effective date of such assignment or subletting.

                       ARTICLE 12 - TRANSFERS BY LANDLORD
                       ----------------------------------

          Landlord shall have the right to subordinate this Lease to any
mortgage presently existing or hereafter placed upon the Building by so
declaring in such mortgage. In the event of a sale or transfer of such interest
(except a mortgage or other transfer as security for a debt), the "Landlord"
named herein, or in the case of a subsequent transfer, the transferor shall,
after the date of such transfer, be automatically released from all personal
liability for the performance or observance of any term, condition, covenant or
obligation required to be performed or observed by Landlord hereunder, and the
transferee shall be deemed to have assumed all of such terms, conditions,
covenants and obligations. Within ten (10) days following receipt of a written
request from Landlord, Tenant shall execute and deliver to Landlord, without
cost, any instrument which Landlord deems necessary or desirable to confirm the
subordination of this Lease and an estoppel certificate in such form as Landlord
may reasonably request certifying (i) that this Lease is in full force and
effect and unmodified or stating the nature of any modification, (ii) the date
to which rent has been paid, (iii) that there are not, to Tenant's knowledge,
any uncured defaults or specifying such defaults if any are claimed, and (iv)
any other matters or state of facts reasonably required respecting the Lease.
Such estoppel may be relied upon by Landlord and by any purchaser or mortgagee
of the Building. Notwithstanding the foregoing, if the mortgagee shall take
title to the Leased Premises through foreclosure or deed in lieu of foreclosure,
Tenant shall be allowed to continue in possession of the Leased Premises, upon
the same terms and conditions as provided for in this Lease so long as Tenant
shall not be in default. Upon Tenant's request, Landlord agrees to use its best
efforts to prepare, execute and deliver a subordination and non-disturbance
agreement for Tenant's benefit also signed by such mortgagee confirming the
provisions hereof in form and substance reasonably acceptable to Tenant.

                                      -11-
<PAGE>

                         ARTICLE 13 - DEFAULT AND REMEDY
                         -------------------------------

       SECTION 13.01. DEFAULT. The occurrence of any of the following, after any
applicable grace periods noted below in sub-sections (a) (b) (c) and (d), shall
be a "DEFAULT":

       (a) Tenant fails to pay any Monthly Rental Installment or Additional Rent
within ten (10) days after the same is due, or Tenant fails to pay any other
amounts due Landlord from Tenant within ten (10) days after the same is due.

       (b) Tenant fails to perform or observe any other term, condition,
covenant or obligation required under this Lease for a period of twenty (20)
days after notice thereof from Landlord; provided, however, that if the nature
of Tenant's default is such that more than fifteen days are reasonably required
to cure, then such default shall be deemed to have been cured if Tenant
commences such performance within said twenty-day period and thereafter
diligently completes the required action within a reasonable time.

       (c) Tenant shall assign or sublet all or a portion of the Leased Premises
in contravention of the provisions of Article 11 of this Lease.

       (d) All or substantially all of Tenant's assets in the Leased Premises or
Tenant's interest in this Lease are attached or levied under execution (and
Tenant does not discharge the same within sixty (60) days thereafter); a
petition in bankruptcy, insolvency or for reorganization or arrangement is filed
by or against Tenant (and Tenant fails to secure a stay or discharge thereof
within sixty (60) days thereafter); Tenant is insolvent and unable to pay its
debts as they become due; Tenant makes a general assignment for the benefit of
creditors; Tenant takes the benefit of any insolvency action or law; the
appointment of a receiver or trustee in bankruptcy for Tenant or its assets if
such receivership has not been vacated or set aside within sixty (60) days
thereafter; or, dissolution or other termination of Tenant's corporate charter
if Tenant is a corporation.

       SECTION 13.02. REMEDIES. Upon the occurrence of any Default, Landlord
shall have the following rights and remedies, in addition to those allowed by
law or in equity, any one or more of which may be exercised without further
notice to Tenant:

       (a) Landlord may apply the Security Deposit or re-enter the Leased
Premises and cure any default of Tenant, and Tenant shall reimburse Landlord as
additional rent for any actual and reasonable costs and expenses which Landlord
thereby incurs; and Landlord shall not be liable to Tenant for any loss or
damage which Tenant may sustain by reason of Landlord's action.

       (b) Landlord may terminate this Lease or, without terminating this Lease,
terminate Tenant's right to possession of the Leased Premises as of the date of
such Default, and thereafter (i) neither Tenant nor any person claiming under or
through Tenant shall be entitled to possession of the Leased Premises, and
Tenant shall immediately surrender the Leased Premises to Landlord; and (ii)
Landlord may re-enter the Leased Premises and dispossess Tenant and any other
occupants of the Leased Premises by any lawful means and may remove their
effects, without prejudice to any other remedy which Landlord may have. Upon the
termination of this Lease, Landlord may declare the present value (discounted at
the Prime Rate of interest) of all rent which would have been due under this
Lease for the balance of the Lease Term to be immediately due and payable,
whereupon Tenant shall be obligated to pay the same to Landlord, together with
all loss or damage which Landlord may sustain by reason of

                                      -12-
<PAGE>

Tenant's default ("DEFAULT DAMAGES"), which shall include without limitation
actual and reasonable expenses of preparing the Leased Premises for re-letting,
demolition, repairs, tenant finish improvements, brokers' commissions and
attorneys' fees, such payment shall not constitute a penalty or forfeiture, but
shall constitute full liquidated damages due to Landlord as a result of Tenant's
default. Landlord and Tenant acknowledge that Landlord's actual damages in the
event of a default by Tenant under this Lease will be difficult to ascertain,
and that the liquidated damages provided above represent the parties' best
estimate of such damages. The parties expressly acknowledge that the foregoing
liquidated damages are intended not as a penalty, but as full liquidated
damages, as permitted by Section 13-6-7 of the Official Code of Ga. Annotated it
being expressly understood and agreed that the liabilities and remedies
specified in this subsection (b) shall survive the termination of this Lease.
Notwithstanding anything herein contained to the contrary, upon the occurrence
of a Default, Landlord agrees to exercise commercially reasonable efforts to
mitigate its damages to the extent required by law. To the extent the Leased
Premises are released prior to the date the term of this Lease would have
expired but for Tenant's Default, Landlord will deduct the rents received from
such tenant (less all costs associated with such reletting from the amounts
otherwise due hereunder).

       (c) Subject to Landlord's duty to mitigate as set forth above in SECTION
13.02(B), Landlord may, without terminating this Lease, re-enter the Leased
Premises and re-let all or any part thereof for a term different from that which
would otherwise have constituted the balance of the Lease Term and for rent and
on terms and conditions different from those contained herein, whereupon Tenant
shall be immediately obligated to pay to Landlord as liquidated damages the
difference between the rent provided for herein and that provided for in any
lease covering a subsequent re-letting of the Leased Premises, for the period
which would otherwise have constituted the balance of the Lease Term, together
with all of Landlord's Default Damages.

       (d) Landlord may sue for injunctive relief or to recover damages for any
loss resulting from the Default, provided Landlord has complied with its duty to
mitigate as set forth above.

       SECTION 13.03. LANDLORD'S DEFAULT AND TENANT'S REMEDIES. Landlord shall
be in default if it fails to perform any term, condition, covenant or obligation
required under this Lease for a period of thirty (30) days after written notice
thereof from Tenant to Landlord; provided, however, that if the term, condition,
covenant or obligation to be performed by Landlord is such that it cannot
reasonably be performed within thirty (30) days, such default shall be deemed to
have been cured if Landlord commences such performance within said thirty-day
period and thereafter diligently undertakes to complete the same. Upon the
occurrence of any such default, Tenant may sue for injunctive relief or to
recover damages for any loss directly resulting from the breach, but Tenant
shall not be entitled to terminate this Lease or withhold, offset or abate any
sums due hereunder, except as otherwise herein expressly provided.

       SECTION 13.04. LIMITATION OF LANDLORD'S LIABILITY. If Landlord shall fail
to perform any term, condition, covenant or obligation required to be performed
by it under this Lease and if Tenant shall, as a consequence thereof, recover a
money judgment against Landlord, Tenant agrees that it shall look solely to
Landlord's right, title and interest in and to the Building for the collection
of such judgment; and Tenant further agrees that no other assets of Landlord
shall be subject to levy, execution or other process for the satisfaction of
Tenant's judgment.

       SECTION 13.05. NONWAIVER OF DEFAULTS. Neither party's failure or delay in
exercising any of its rights or remedies or other provisions of this Lease shall
constitute a waiver thereof or affect its right thereafter to exercise or
enforce such right or remedy or other provision. No waiver of any default shall

                                      -13-
<PAGE>

be deemed to be a waiver of any other default. Landlord's receipt of less than
the full rent due shall not be construed to be other than a payment on account
of rent then due, nor shall any statement on Tenant's check or any letter
accompanying Tenant's check be deemed an accord and satisfaction. No act or
omission by Landlord or its employees or agents during the Lease Term shall be
deemed an acceptance of a surrender of the Leased Premises, and no agreement to
accept such a surrender shall be valid unless in writing and signed by Landlord.

       SECTION 13.06. ATTORNEYS' FEES. If either party defaults in the
performance or observance of any of the terms, conditions, covenants or
obligations contained in this Lease and the non-defaulting party obtains a
judgment against the defaulting party, then the defaulting party agrees to
reimburse the non-defaulting party for reasonable attorneys' fees incurred in
connection therewith.

                ARTICLE 14 - LANDLORD'S RIGHT TO RELOCATE TENANT
                ------------------------------------------------

       Intentionally deleted.

                 ARTICLE 15 - TENANT'S RESPONSIBILITY REGARDING
                 ----------------------------------------------
                  ENVIRONMENTAL LAWS AND HAZARDOUS SUBSTANCES.
                  --------------------------------------------

       SECTION 15.01. DEFINITIONS.

       (a) "ENVIRONMENTAL LAWS" - All present or future federal, state and
municipal laws, ordinances, rules and regulations applicable to the
environmental and ecological condition of the Leased Premises, the rules and
regulations of the Federal Environmental Protection Agency or any other federal,
state or municipal agency or governmental board or entity having jurisdiction
over the Leased Premises.

       (b) "HAZARDOUS SUBSTANCES" - Those substances included within the
definitions of "hazardous substances," "hazardous materials," "toxic substances"
"solid waste" or "infectious waste" under Environmental Laws and petroleum
products.

       SECTION 15.02. COMPLIANCE. Subject to SECTION 15.07 below, Tenant, at its
sole cost and expense, shall promptly comply with the Environmental Laws
including any notice from any source issued pursuant to the Environmental Laws
or issued by any insurance company which shall impose any duty upon Tenant with
respect to the use, occupancy, maintenance or alteration of the Leased Premises
whether such notice shall be served upon Landlord or Tenant.

       SECTION 15.03. RESTRICTIONS ON TENANT. Tenant shall operate its business
and maintain the Leased Premises in compliance with all Environmental Laws.
Tenant shall not cause or permit the use, generation, release, manufacture,
refining, production, processing, storage or disposal of any Hazardous
Substances on, under or about the Leased Premises, or the transportation to or
from the Leased Premises of any Hazardous Substances, except as necessary and
appropriate for its Permitted Use in which case the use, storage or disposal of
such Hazardous Substances shall be performed in compliance with the
Environmental Laws and the highest standards prevailing in the industry.

       SECTION 15.04. NOTICES, AFFIDAVITS, ETC. Tenant shall immediately notify
Landlord of (i) any violation by Tenant, its employees, agents, representatives,
customers, invitees or contractors of the Environmental Laws on, under or about
the Leased Premises, or (ii) the presence or suspected presence of any Hazardous
Substances on, under or about the Leased Premises and shall immediately deliver
to Landlord any notice received by Tenant relating to (i) and (ii) above from
any source. Tenant shall

                                      -14-
<PAGE>

execute affidavits, representations and the like within five (5) days of
Landlord's request therefor concerning Tenant's best knowledge and belief
regarding the presence of any Hazardous Substances on, under or about the Leased
Premises.

       SECTION 15.05. LANDLORD'S RIGHTS. Landlord and its agents shall have the
right, but not the duty, upon advance notice (except in the case of emergency
when no notice shall be required) to inspect the Leased Premises and conduct
tests thereon to determine whether or the extent to which there has been a
violation of Environmental Laws by Tenant or whether there are Hazardous
Substances on, under or about the Leased Premises. In exercising its rights
herein, Landlord shall use reasonable efforts to minimize interference with
Tenant's business but such entry shall not constitute an eviction of Tenant, in
whole or in part, and Landlord shall not be liable for any interference, loss,
or damage to Tenant's property or business caused thereby.

       SECTION 15.06. TENANT'S INDEMNIFICATION. Tenant shall indemnify Landlord
and Landlord's managing agent from any and all claims, losses, liabilities,
costs, expenses and damages, including attorneys' fees, costs of testing and
remediation costs, actually and reasonably incurred by Landlord in connection
with any breach by Tenant of its obligations under this Article 15. The
covenants and obligations under this Article 15 shall survive the expiration or
earlier termination of this Lease.

       SECTION 15.07. LANDLORD'S REPRESENTATION. Notwithstanding anything
contained in this Article 15 to the contrary, Tenant shall not have any
liability to Landlord or any other party under this Article 15 resulting from
any conditions existing, or events occurring, or any Hazardous Substances
existing or generated, at, in, on, under or in connection with the Leased
Premises prior to the Commencement Date of this Lease except to the extent
Tenant exacerbates the same. Landlord represents and warrants to the best of its
knowledge that it is aware of no condition that has or with the passage of time
will give rise to an obligation to comply with any Environmental Law, and
further that it has received no notices and knows of none that are anticipated
to be received.

                           ARTICLE 16 - MISCELLANEOUS
                           --------------------------

       SECTION 16.01. BENEFIT OF LANDLORD AND TENANT. This Lease shall inure to
the benefit of and be binding upon Landlord and Tenant and their respective
successors and assigns.

       SECTION 16.02. GOVERNING LAW. This Lease shall be governed in accordance
with the laws of the State where the Building is located.

       SECTION 16.03. GUARANTY. In consideration of Landlord's leasing the
Leased Premises to Tenant, Tenant shall provide Landlord with a limited guaranty
of lease executed by the guarantor(s) described in the Basic Lease Provisions,
if any.

       SECTION 16.04. FORCE MAJEURE. Landlord and Tenant (except with respect to
the payment of any monetary obligation, but subject to applicable grace periods)
shall be excused for the period of any delay in the performance of any
obligation hereunder when such delay is occasioned by causes beyond its control,
including but not limited to work stoppages, boycotts, slowdowns or strikes;
shortages of materials, equipment, labor or energy; unusual weather conditions;
or acts or omissions of governmental or political bodies.

                                      -15-
<PAGE>

       SECTION 16.05. EXAMINATION OF LEASE. Submission of this instrument for
examination or signature to Tenant does not constitute a reservation of or
option for Lease, and it is not effective as a Lease or otherwise until
execution by and delivery to both Landlord and Tenant.

       SECTION 16.06. INDEMNIFICATION FOR LEASING COMMISSIONS. Tenant's Broker
(Richard Bowers and Company) and Landlord's Broker (Duke-Weeks Realty
Corporation) (collectively, "BROKER") shall each be entitled to receive a
commission in the amounts, and upon the terms and conditions, contained in a
separate commission agreement between Landlord and such parties. Tenant warrants
and represents to Landlord that, other than Broker, no other party is entitled,
as a result of the actions of Tenant, to a commission or other fee resulting
from the execution of this Lease; and in the event Tenant extends or renews this
Lease, or expands the Leased Premises, and Tenant's Broker is entitled to a
commission under the above-referenced commission agreement, Tenant shall pay all
commissions and fees payable to any party (other than Landlord's Broker or
Tenant's Broker) engaged by Tenant to represent Tenant in connection therewith.
Landlord warrants and represents to Tenant that, except as set forth above, no
other party is entitled, as a result of the actions of Landlord, to a commission
or other fee resulting from the execution of this Lease. Landlord and Tenant
agree to indemnify and hold each other harmless from any loss, cost, damage or
expense (including reasonable attorneys' fees) incurred by the nonindemnifying
party as a result of the untruth or incorrectness of the foregoing warranty and
representation, or failure to comply with the provisions of this subparagraph.
Tenant's Broker is representing Tenant in connection with this Lease, and is not
representing Landlord. Landlord's Broker, or employees of Landlord or its
affiliates, are representing Landlord and are not representing Tenant. The
parties acknowledge that certain officers, directors, shareholders, or partners
of Landlord or its general partner(s), are licensed real estate brokers and/or
salesmen under the laws of the State of Georgia. Tenant consents to such parties
acting in such dual capacities.

       SECTION 16.07. NOTICES. Any notice required or permitted to be given
under this Lease or by law shall be deemed to have been given if it is written
and delivered in person or by overnight courier or mailed by certified mail,
postage prepaid, to the party(ies) who is to receive such notice at the address
specified in Article 1. If delivered in person, notice shall be deemed given as
of the delivery date. If sent by overnight courier, notice shall be deemed given
as of the first business day after sending. If mailed, the notice shall be
deemed to have been given on the date which is three business days after
mailing. Either party may change its address by giving written notice thereof to
the other party.

       SECTION 16.08. PARTIAL INVALIDITY; COMPLETE AGREEMENT. If any provision
of this Lease shall be held to be invalid, void or unenforceable, the remaining
provisions shall remain in full force and effect. This Lease represents the
entire agreement between Landlord and Tenant covering everything agreed upon or
understood in this transaction. There are no oral promises, conditions,
representations, understandings, interpretations or terms of any kind as
conditions or inducements to the execution hereof or in effect between the
parties. No change or addition shall be made to this Lease except by a written
agreement executed by Landlord and Tenant.

       SECTION 16.09. FINANCIAL STATEMENTS. During the Lease Term and any
extensions thereof, Tenant shall provide to Landlord, upon prior written notice,
within ninety (90) days following the end of Tenant's fiscal year, a copy of
Tenant's most recent reviewed financial statements prepared as of the end of
Tenant's fiscal year. Such financial statements shall be signed by Tenant who
shall attest to the truth and accuracy of the information set forth in such
statements. All financial statements provided by Tenant to Landlord hereunder
shall be prepared in conformity with generally accepted accounting principles,
consistently applied.

                                      -16-
<PAGE>

       SECTION 16.10. SIGNAGE. Landlord shall have the right to approve the
placing of signs and the size and quality of the same. Tenant shall place no
exterior signs on the Leased Premises without the prior written consent of
Landlord. Any signs not in conformity with the Lease may be immediately removed
by Landlord.

       SECTION 16.11. CONSENT. Where the consent of a party is required, such
consent will not be unreasonably withheld or delayed.

       SECTION 16.12. PARKING. Tenant shall be entitled to use on a
non-exclusive basis sixty (60) parking spaces and shall park in common with
other tenants of Landlord. Subject to the immediately preceding sentence, Tenant
agrees not to overburden the parking facilities and agrees to cooperate with
Landlord and other tenants in the use of parking facilities. Landlord reserves
the right in its absolute discretion to determine whether parking facilities are
becoming crowded and, in such event, to allocate parking spaces among Tenant and
other tenants. There will be no assigned parking unless Landlord, in its sole
discretion, may deem advisable. No vehicle may be repaired or serviced in the
parking area and any vehicle deemed abandoned by Landlord will be towed from the
project and all costs therein shall be borne by the Tenant. All driveways,
ingress and egress, and all parking spaces are for the joint use of all tenants.
There shall be no parking permitted on any of the streets or roadways located
within the Park. Tenant shall have exclusive use or future use of the dock doors
installed by Tenant pursuant to the terms of this Lease, once installed,
pertaining to the Leased Premises.

       SECTION 16.13. TIME. Time is of the essence of each term and provision of
this Lease.

       SECTION 16.14. REPRESENTATIONS AND WARRANTIES. The undersigned represent
and warrant that (i) such party is duly organized, validly existing and in good
standing (if applicable) in accordance with the laws of the state under which it
was organized; (ii) the Tenant is authorized to do business in the State where
the Building is located; and (iii) the individual executing and delivering this
Lease has been properly authorized to do so, and such execution and delivery
shall bind such party.

                                      -17-
<PAGE>

       IN WITNESS WHEREOF, the parties hereto have executed this Lease as of the
day and year first above written.

Signed, sealed and delivered              LANDLORD:
as to Landlord, in the
presence of:                              DUKE-WEEKS REALTY LIMITED PARTNERSHIP,
                                          an Indiana limited partnership

/s/ R. ROBINSON                           By:  Duke-Weeks Realty Corporation,
---------------                                its General Partner
Unofficial Witness

                                                  By:    /s/ GREG THURMAN
                                                         ---------------------
/s/ BETH BABEGIAN                                 Name:  /s/ GREG THURMAN
-----------------                                        ---------------------
Notary Public                                     Title: SENIOR VICE PRESIDENT
                                                         ---------------------

Signed, sealed and delivered              TENANT:
as to Tenant, in the
presence of:                              COMVERGE TECHNOLOGIES, INC.

___________________________                       By:    /s/ FRANK MAGNOTTI
                                                         ------------------
Unofficial Witness                                Name:  FRANK A.MAGNOTTI
                                                         ------------------
                                                  Title: PRESIDENT
                                                         ------------------

/s/ R. MILLER
--------------                                    Attest: /s/ DAWN PETERSON
Notary Public                                             ------------------
                                                  Name:   DAWN PETERSON
                                                          ------------------
                                                  Title:  OPERATIONS MANAGER
                                                          ------------------

                                                       (CORPORATE SEAL)

                                      -18-

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