Document:

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                                                                    EXHIBIT 10.6

                  SIXTH AMENDMENT TO LEASE AGREEMENT BETWEEN
                AETNA LIFE INSURANCE COMPANY, AS LANDLORD, AND
                        LUMINEX CORPORATION, AS TENANT

               To be attached to and form a part of Lease made
               the 1st day of August, 1989 (which together with
               any amendments, modifications and extensions
               thereof, is hereinafter called the Lease), between
               Landlord and Tenant, covering a total of 32,859
               square feet and located at 12212 Technology
               Boulevard, Suites I, J and K and 12112 Technology
               Boulevard, Suite 200, Austin, Texas, known as
               McNeil #4 and McNeil #5, respectively.

WITNESSETH that the Lease is hereby amended as follows:

     1.   WHEREAS, Tenant needs additional space for its business purposes and
Landlord has available an area nearby effective on the Commencement Date, the
demised premises shall contain, in addition to the approximately 32,859 square
feet originally demised ("original space"), an additional area, hereinafter
called the "new space", containing approximately 18,330 square feet located at
12201 Technology Boulevard, Suite 130 (known as McNeil #3) (see Exhibit "A")
attached hereto, thus making the aggregate area of the premises approximately
51,189 square feet.  The term for the new space (Suite 130 at McNeil #3) shall
end thirty-six (36) months after the Commencement Date (as defined below), and
the Term for the existing space shall end on March 31, 2002 as provided in the
Lease.

The Commencement Date for the new space is defined as thirty (30) days following
existing tenant's vacation of the "new space" and the completion of
responsibilities outlined in Paragraph 3 and Paragraph 13 of this document.  The
Commencement Date is contemplated to be June 1, 2000.

     2.   The Monthly Rental shall be as follows:

<TABLE>
<CAPTION>
---------------------------------------------------------------------------------------------------------------
                           Monthly Base
                            Rental PSF       Monthly Base    Monthly Base     Monthly Base
     Term                 Existing Space        Rental       PSF New Space     Rental New      Total Monthly
                           (32,859 SF)      Existing Space    (18,330 SF)         Space         Base Rental
---------------------------------------------------------------------------------------------------------------
<S>                       <C>               <C>              <C>              <C>              <C>
Commencement -3/31/02          $0.75        $24,644.25       $0.80            $14,664.00       $39,308.25
---------------------------------------------------------------------------------------------------------------
  4/01/02 - 5/31/03              N/A               N/A       $0.80            $14,664.00       $14,664.00
---------------------------------------------------------------------------------------------------------------
</TABLE>

These amounts shall be in addition to property taxes, common area maintenance,
management fees, and insurance as provided in the Lease.

     3.   Previous tenant or Landlord shall be responsible for servicing and
repairing, if necessary, the HVAC system by a mutually acceptable, licensed
contractor and cleaning the "new space" to broom clean condition, including but
not limited to, removal of trash and previous tenant's equipment.

     4.   Landlord shall be responsible for exterior ADA compliance at the new
 space.

     5.   Landlord shall provide a tenant finish allowance of $54,990.00 to be
applied toward interior improvements.  Tenant shall bear the entire cost of any
interior improvements to be installed by Landlord in the premises in excess of
the finish-out allowance of $54,990.00 and shall pay for such excess over the
allowance as hereinafter provided.  In no event shall credit be given to Tenant
for any allowance not utilized. All improvements must comply with Trammell Crow
Company's standard specifications (see Standards and Specifications for
                                       --------------------------------
Office/Warehouse Buildings) and all applicable governmental regulations.  Prior
--------------------------
to beginning construction of any such improvements, Tenant shall submit
architectural drawings of the proposed improvements to Landlord and shall obtain
Landlord's written consent to begin construction.  Notwithstanding any provision
herein to the contrary, Tenant will utilize a general contractor, approved by
Landlord, to construct the interior improvements in the new space.  Tenant will
have the right to access, occupy and conduct business in the new space up to,
but not exceeding, thirty (30) days prior to the
<PAGE>

Commencement Date without any rent obligation. Tenant will construct the
interior improvements in the new space with reasonable diligence, but need not
finish them prior to the Commencement Date; such improvements may be constructed
while Tenant is occupying and conducting business in the new space. Tenant may
draw the allowance from Landlord from time to time as construction bills come
due.

     6.   Tenant shall have the right and option to renew its Lease relative to
the "new space", 12201 Technology Boulevard, Suite 130 (McNeil 3) for one (1)
additional thirty-six (36) month term by delivering written notice thereof to
Landlord at least One Hundred Eighty (180) days prior to the expiration date of
the lease term, provided that at the time of such notice and at the end of the
lease term, Tenant is not in default hereunder.  Upon the delivery of said
notice and subject to the conditions set forth in the preceding sentence, this
Lease shall be extended upon the same terms, covenants and conditions as
provided in this Lease, except that the rental payable during said extended term
shall be the prevailing market rental rate for space of comparable size, quality
and location at the commencement of such extended term (the "Market Rate"). This
right and option shall apply to the initial lease term only.  In the event
Landlord and Tenant are unable to agree upon the Market Rate, Landlord and
Tenant shall each promptly appoint a real estate broker who is licensed by the
Texas Real Estate Commission (TREC) and active in the Austin industrial market,
to assist in the determination of the Market Rate, and the two brokers shall
appoint a third broker who is also licensed by the Texas Real Estate Commission
and active in the Austin industrial market.  The determination of the Market
Rate by the agreement of any two of such three brokers shall be accepted by and
shall be binding upon Landlord and Tenant as the Market Rate, which rate shall
thereafter be payable until further adjusted.  Landlord and Tenant agree to use
all reasonable diligence to cause their appointed brokers to perform in good
faith and in a timely manner in order to make the determination of the Market
Rate on or before the date on which the Market Rate is to become effective.  In
the event the brokers do not make such determination in a timely manner, this
Lease shall nevertheless continue in full force and effect until such
determination is made, and the rental for such period shall be payable at the
rate otherwise payable hereunder.  Upon the determination of the Market Rate,
the payment of the Market Rate shall commence on the first day of the month
following the date of such determination, and in addition to such monthly
installment of rental, Tenant shall pay to Landlord the increase in rental
payable hereunder, if any, applicable to the period from the date on which the
Market Rate was scheduled to become effective to the payment of the first
installment at the Market Rate.  Landlord and Tenant shall each bear the cost
and fees of their respective brokers and shall share equally the cost of the
third broker, if needed.

     7.   Tenant, at its own cost and expense, shall enter into a regularly
scheduled preventive maintenance/service contract with a maintenance contractor
approved by Landlord for servicing all hot water, heating and air conditioning
systems and equipment within the Premises.  The service contract must include
the replacement of filters on a regular basis and all services suggested by the
equipment manufacturer in its operations/maintenance manual and must become
effective within thirty (30) days of the date Tenant takes possession of the
Premises.  Provided that Tenant maintains such service contract and is not in
default under the terms of this Lease, Landlord shall be responsible for any
repairs or replacements necessary to maintain the HVAC equipment in the new
space for a period of ninety (90) days following the Commencement Date.

     8.   Tenant shall have the nonexclusive right to utilize no more than
fifty-five (55) parking spaces at the new space.

     9.   Tenant's "proportionate share" of McNeil #3 is 26.8%.

     10.  Subject to Landlord's written approval of the installation process and
procedure, Tenant, at its expense, shall have the right to install
telecommunication lines connecting the new space and original space.

     11.  Tenant shall not use, and shall not permit any subtenant, licensee,
concessionaire, employee, agent or invitee (hereinafter collectively "Tenant's
Representatives") to use, any portion of the Premises or Building, for the
placement, storage, manufacture, disposal or handling of any hazardous materials
(hereinafter defined) unless Tenant complies with all applicable environmental
laws (federal,
<PAGE>

state or local), including, but not limited to those for obtaining proper
permits. In the event Tenant or Tenant's Representatives desire to use or place
hazardous materials on the Premises it shall notify Landlord in writing thirty
(30) days prior to such proposed use or placement, and provide the names of the
hazardous materials, procedures to insure compliance with the applicable
environmental law and such other information as Landlord may reasonably request.

     In the event Tenant or Tenant's Representatives places, releases or
discovers any hazardous materials on the Premises or Building in violation of
applicable environmental laws, Tenant shall immediately notify Landlord of such
fact in writing within twenty-four (24) hours of the placement, release or
discovery.  Tenant shall not attempt any removal, abatement or remediation of
those hazardous materials on the Premises in violation of applicable
environmental laws, without obtaining the additional written consent of
Landlord, which consent may be specifically conditioned on Landlord's right to
approve the scope, timing and techniques of any such work and the appointment of
all contractors, engineers, inspectors and consultants in connection with any
such work.  Tenant shall be responsible for the cost of any removal, abatement
and remediation work of any hazardous materials placed, stored, manufactured,
disposed of or handled by Tenant or Tenant's Representatives on the Premises or
any other portion of the Building and for the cost of any removal, abatement or
remediation of any hazardous materials which might be disturbed or released as a
result of any remodeling or construction in the Premises by Tenant or Tenant's
Representatives.  Such costs shall include, without limitation, the cost of any
supervision by Landlord, its employees or agents, in connection with such work.
Tenant shall comply with all environmental laws in connection with any such
removal.

     Tenant shall indemnify Landlord, its shareholders, directors, officers,
employees and agents and hold them harmless, from and against any loss, damage
(including, without limitation, a loss in value of the Building or damages due
to restrictions on marketing contaminated space), cost, liability or expense
(including reasonable attorneys' fees and expenses and court costs) arising out
of the placement, storage, use, manufacture, disposal, handling, removal,
abatement or remediation of any hazardous materials by Tenant or Tenant's
Representatives on the Premises or Building, or any removal, abatement or
remediation of any hazardous materials required hereunder to be performed or
paid for by Tenant, with respect to any portion of the Premises or the Building,
or arising out of any breach by Tenant of its obligations under this paragraph.

     The term "hazardous materials" as used herein shall mean (i) any "hazardous
waste" as defined by the Resource Conservation and Recovery Act of 1976 (42
U.S.C. Section 6901 et seq.), as amended from time to time, and regulations
promulgated thereunder; (ii) any "hazardous substance" as defined by the
Comprehensive Environmental Response, Compensation and Liability Act of 1980 (42
U.S.C. Section 9601, et seq.), as amended from time to time, and regulations
promulgated thereunder; (iii) asbestos or polychlorinated biphenyls; (iv) any
substance the presence of which on the Building or on the Premises is prohibited
or regulated by any federal, state or local law, regulation, code or rule; and
(v) any other substance which requires special handling or notification of any
federal, state or local governmental entity in its collection, storage,
treatment, or disposal.

     12.  This Lease shall be subordinate to any deed of trust, mortgage, or
other security instrument (a "Mortgage"), or any ground lease, master lease, or
primary lease (a "Primary Lease"), that now or hereafter covers all or any part
of the Premises (the mortgagee under any Mortgage or the lessor under any
Primary Lease is referred to herein as "Landlord's Mortgagee"), including any
modifications, renewals or extensions of such Mortgage or Primary Lease,
provided that it is a condition to the subordination of this Lease that the
Landlord's Mortgagee execute and deliver to Tenant a non-disturbance and
attornment agreement, in recordable form, whereby such Landlord's Mortgagee
agrees that neither this Lease nor Tenant's right to possession will be
terminated so long as Tenant is not in default under this Lease (provided
Landlord's Mortgagee, or successor thereto, maintains its rights to terminate
under other provisions of the Lease, e.g., for a casualty).  Notwithstanding the
foregoing, Tenant agrees that any such Landlord's Mortgagee shall have the right
at any time to subordinate such Mortgage or Primary Lease to this Lease on such
terms and subject to such conditions as Landlord's Mortgagee may deem
appropriate in its discretion.  Tenant agrees upon demand to execute such
further instruments subordinating this Lease or attorning to the Landlord's
Mortgagee as Landlord may request,
<PAGE>

provided such contains non-disturbance provisions as noted above and such other
provisions which do not affect the substantive provisions of this Lease. In the
event that Tenant should fail to execute any subordination or other agreement
required by this paragraph, within twenty (20) days of written request, it shall
constitute an Event of Default, without further notice required of Landlord.

     13.  Landlord, at Landlord's expense, will repair all roof penetrations and
service and repair all existing overhead doors.

Except as herein and hereby modified and amended the Agreement of Lease shall
remain in full force and effect and all the terms, provisions, covenants and
conditions thereof are hereby ratified and confirmed.

DATED AS OF THE 25th DAY OF APRIL, 2000.

WITNESS:                            AETNA LIFE INSURANCE COMPANY:

                                    By:  UBS Brinson Realty Investors LLC,
                                         Its Investment Advisor and Agent

/s/ Belinda Hanson                  /s/ S. Mark Cypert
-------------------------           ----------------------------------------
                                    By: S. Mark Cypert
                                    ----------------------------------------
                                    Title: Director
                                    ----------------------------------------

WITNESS:                            LUMINEX CORPORATION:

/s/ John M. Dapper                  /s/ James L. Persky
------------------------            ----------------------------------------
                                    By: James L. Persky
                                    ----------------------------------------
                                    Title: Vice President & Chief
                                             Financial Officer
                                    ----------------------------------------EQUIFAX INC.

                         EXECUTIVE LIFE AND SUPPLEMENTAL

                         RETIREMENT BENEFIT PLAN (U.S.)

         This  document   constitutes   the  Executive  Life  and   Supplemental
Retirement  Benefit  Plan  (U.S.)  (the  "Plan")  adopted by Equifax  Inc.  (the
"Company") to be effective  January 1, 2000. The Plan  incorporates by reference
those certain  Questions and Answers dated December 1999 and subsequent  updates
thereto,  each Split Dollar Life  Insurance  Agreement  entered into with a Plan
Participant and each Collateral Assignment executed by a Plan Participant.

                                   1. PURPOSE

         The purpose of the Plan is to reward  certain  specified  executives of
the Company (the "Participants") for their service to the Company and to provide
an incentive to the Participants,  including newly hired executives,  for future
service and loyalty to the  Company.  The benefits of  participation  consist of
contributions  made by the Company to purchase  life  insurance  policies on the
lives of Participants,  which policies shall be owned by Participants subject to
the provisions of this Plan and the documents incorporated herein.

                                2. PLAN OPERATION

Participants  shall be designated by the Company's Chief  Executive  Officer and
shall be informed in writing of the Commencement Date of their  participation in
the Plan.  In order to  participate,  the  Participants  must  complete  certain
enrollment  documents and must execute (i) an Agreement which  specifies,  among
other matters,  the respective  interests of the  Participant and the Company in
the life  insurance  policies in question,  and (ii) a Collateral  Assignment of
certain rights in those policies in favor of the Company.

                                3. DEFINED TERMS

         The following terms shall have the meanings  ascribed to them below for
purposes of the Plan and the documents incorporated herein:

CAUSE.  Termination by the Company of the  Participant's  employment for "Cause"
means  termination by the Company of the  Participant's  employment upon (a) the
Participant's  willful  and  continued  failure  to  substantially  perform  the
Participant's duties with the Company (other than any failure resulting from the
Participant's  incapacity  due to physical or mental  illness),  after a written
demand for  substantial  performance  is delivered to  Participant  by the Chief
Executive  Officer of the  Company  (or if  Participant  is the Chief  Executive
Officer,  the Chairman of the Compensation and Human Resources  Committee of the
Board of Directors) that  specifically  identifies the manner in which the Chief
Executive Officer believes that Participant has not substantially  performed the
Participant's duties, or (b) the Participant's  willfully engaging in misconduct
that is  materially  injurious  to the Company,  monetarily  or  otherwise.  For
purposes of this paragraph 3.1, no act, or failure to act, on the  Participant's
part will be  considered  "willful"  unless  done,  or  omitted  to be done,  by
Participant  not  in  good  faith  and  without   reasonable   belief  that  the

<PAGE>

Participant's  action  or  omission  was in the best  interest  of the  Company.
Notwithstanding  the  above,  Participant  will  not  be  deemed  to  have  been
terminated  for Cause  unless and until  Participant  has been given a copy of a
Notice of  Termination  from the Chief  Executive  Officer of the Company (of if
Participant is the Chief Executive Officer, the Chairman of the Compensation and
Human Resources Committee of the Board of Directors), after reasonable notice to
Participant and an opportunity for Participant,  together with the Participant's
counsel,  to be  heard  before  (i)  the  Chief  Executive  Officer,  or (ii) if
Participant is an elected officer of the Company,  the Board of Directors of the
Company,  finding that in the good faith opinion of the Chief Executive Officer,
or, in the case of an elected officer, finding that in the good faith opinion of
two-thirds  of the Board of  Directors,  Participant  committed  the conduct set
forth above in clauses (a) or (b) of this  paragraph  3.1,  and  specifying  the
particulars of that finding in detail.

CHANGE IN CONTROL.  A "Change in Control" of the Company means the occurrence of
any of the  following  events  during  the  period in which the Plan  remains in
effect:

                  (a) VOTING STOCK ACCUMULATIONS. The accumulation by any Person
         of Beneficial Ownership of twenty percent (20%) or more of the combined
         voting power of the Company's Voting Stock;  provided that for purposes
         of this subparagraph  3.2(a), a Change in Control will not be deemed to
         have occurred if the  accumulation  of twenty  percent (20%) or more of
         the  voting  power  of the  Company's  Voting  Stock  results  from any
         acquisition  of Voting  Stock (a)  directly  from the  Company  that is
         approved  by  the  Incumbent  Board,  (b) by  the  Company,  (c) by any
         employee benefit plan (or related trust) sponsored or maintained by the
         Company or any Subsidiary,  or (d) by any Person pursuant to a Business
         Combination   that  complies  with  clauses  (i),  (ii)  and  (iii)  of
         subparagraph 3.2(b), or

                  (b)  BUSINESS   COMBINATIONS.   Consummation   of  a  Business
         Combination,  unless,  immediately following that Business Combination,
         (i) all or  substantially  all of the Persons  who were the  beneficial
         owners  of  Voting  Stock  of the  Company  immediately  prior  to that
         Business  Combination  beneficially own,  directly or indirectly,  more
         than sixty-six and two-thirds percent (66 2/3%) of the then outstanding
         shares  of  common  stock  and the  combined  voting  power of the then
         outstanding  voting  securities  entitled  to  vote  generally  in  the
         election  of  Directors  of the  entity  resulting  from that  Business
         Combination (including,  without limitation, an entity that as a result
         of that transaction owns the Company or all or substantially all of the
         Company's  assets either directly or through one or more  subsidiaries)
         in substantially  the same proportions  relative to each other as their
         ownership,  immediately  prior  to that  Business  Combination,  of the
         Voting  Stock of the Company,  (ii) no Person  (other than the Company,
         that entity resulting from that Business  Combination,  or any employee

                                       2
<PAGE>

         benefit plan (or related trust) sponsored or maintained by the Company,
         any Eighty Percent (80%)  Subsidiary or that entity resulting from that
         Business Combination) beneficially owns, directly or indirectly, twenty
         percent (20%) or more of the then outstanding shares of common stock of
         the entity  resulting  from that Business  Combination  or the combined
         voting power of the then outstanding voting securities entitled to vote
         generally in the  election of  directors  of that entity,  and (iii) at
         least a majority of the members of the Board of Directors of the entity
         resulting from that Business  Combination were members of the Incumbent
         Board  at the  time of the  action  of the  Board  providing  for  that
         Business Combination; or

                  (c) SALE OF ASSETS.  A sale or other disposition of all or
         substantially all of the assets of the Company; or

                  (d) LIQUIDATIONS OR DISSOLUTIONS. Approval by the shareholders
         of the Company of a complete liquidation or dissolution of the Company,
         except  pursuant to a Business  Combination  that complies with clauses
         (i), (ii) and (iii) of subparagraph 3.2(b).

For purposes of this paragraph 3.2, the following definitions will apply:

         "Beneficial  Ownership" means beneficial ownership as that term is used
         in Rule 13d-3 promulgated under the Exchange Act.

         "Business Combination" means a reorganization,  merger or consolidation
          of the Company.

         "Eighty Percent (80%)  Subsidiary" means an entity in which the Company
         directly or indirectly  beneficially  owns eighty percent (80%) or more
         of the outstanding Voting Stock.

         "Exchange  Act" means the  Securities  Exchange Act of 1934,  including
         amendments, or successor statutes of similar intent.

         "Incumbent  Board"  means a Board of  Directors  at least a majority of
         whom consist of individuals who either are (a) members of the Company's
         Board of  Directors  as of January 1, 2000,  or (b)  members who become
         members of the  Company's  Board of Directors  subsequent  to said date
         whose   election,   or   nomination   for  election  by  the  Company's
         shareholders,  was approved by a vote of at least  two-thirds  (2/3) of
         the directors then comprising the Incumbent Board (either by a specific
         vote or by approval of the proxy statement of the Company in which that
         person is named as a nominee for  director,  without  objection to that
         nomination),  but excluding,  for that purpose,  any  individual  whose
         initial  assumption  of  office  occurs  as a result  of an  actual  or
         threatened  election  contest (within the meaning of Rule 14a-11 of the
         Exchange  Act) with  respect to the election or removal of directors or
         other actual or threatened solicitation of proxies or consents by or on
         behalf of a Person other than the Board of Directors.

         "Person" means any  individual,  entity or group (within the meaning of
         Section 13(d)(3) or 14 (d)(2) of the Exchange Act).

         "Subsidiary"  means an entity  more than fifty  percent  (50%) of whose
         equity interests are owned directly or indirectly by the Company.

         "Voting  Stock"  means  the then  outstanding  securities  of an entity
         entitled to vote  generally in the election of members of that entity's
         Board of Directors.

                                       3
<PAGE>

COMPETITIVE  ACTIVITY.  A Participant  or former  Participant  will be deemed to
engage in "Competitive Activity" if he/she:

                  (a)  directly  or   indirectly   owns,   operates,   controls,
         participates  in,  performs  services  for, or otherwise  carries on, a
         business  substantially  similar to or  competitive  with the  business
         conducted  by the  Company  or any  Subsidiary  (without  limit  to any
         particular region, because Participant  acknowledges that such business
         may be engaged in effectively from any location in the United States or
         Canada);  provided that nothing set forth in this section will prohibit
         Participant  from  owning  not in excess of 5% of any class of  capital
         stock of any corporation if such stock is publicly traded and listed on
         any national or regional  stock exchange or on the NASDAQ Stock Market;
         or

                  (b) directly or  indirectly  attempts to persuade any employee
         or  customer  of  the  Company  or any  Subsidiary  to  terminate  such
         employment  or  business  relationship  in order to enter into any such
         relationship on behalf of Participant or any third party in competition
         with the business conducted by the Company or any Subsidiary; or

                  (c) directly or  indirectly  engages in any  activity  that is
         harmful  to  the  interests  of  the  Company  or  any  Subsidiary,  as
         determined by the  Compensation  and Human  Resources  Committee in its
         sole discretion, including the disclosure or misuse of any confidential
         information or trade secrets of the Company or a Subsidiary.

GOOD REASON.  Termination by the Participant of the Participant's employment for
"Good Reason" means termination by Participant of the  Participant's  employment
based on:

                  (a) The assignment to Participant of duties  inconsistent with
         the Participant's  position and status with the Company as they existed
         immediately  prior to a Change in Control,  or a substantial  change in
         the Participant's title, offices or authority,  or in the nature of the
         Participant's responsibilities,  as they existed immediately prior to a
         Change in Control,  except in connection  with the  termination  of the
         Participant's  employment for Cause or Disability or as a result of the
         Participant's death or by Participant other than for Good Reason;

                  (b) A  reduction  by the  Company  in the  Participant's  base
         salary as in effect on the date of this Letter or as the  Participant's
         salary may be increased from time to time;

                  (c) A  failure  by  the  Company  to  continue  the  Company's
         incentive  compensation  plan(s),  as it may be  modified  from time to
         time, substantially in the form in effect immediately prior to a Change
         in  Control  (the  "Plan"),  or a failure by the  Company  to  continue
         Participant  as a participant  in the Plan on at least the basis of the
         Participant's participation immediately prior to a Change in Control or
         to pay  Participant the amounts that  Participant  would be entitled to
         receive in accordance with the Plan;

                  (d) The Company's requiring  Participant to be based more than
         thirty-five  (35) miles from the location  where  Participant  is based
         immediately prior to a Change in Control, except for required travel on
         the Company's business to an extent  substantially  consistent with the

                                       4
<PAGE>

         Participant's  business  travel  obligations  prior  to the  Change  in
         Control, or if Participant consents to that relocation,  the failure by
         the Company to pay (or reimburse Participant for) all reasonable moving
         expenses  incurred by Participant or to indemnify  Participant  against
         any loss realized in the sale of the Participant's  principal residence
         in connection with that relocation;

                  (e) The  failure  by the  Company  to  continue  in effect any
         retirement or compensation  plan,  performance share plan, stock option
         plan, life insurance plan, health and accident plan, disability plan or
         another benefit plan in which Participant is participating  immediately
         prior to a Change in Control of the Company (or provide plans providing
         Participant with  substantially  similar  benefits),  the taking of any
         action by the Company  that would  adversely  affect the  Participant's
         participation or materially reduce the Participant's benefits under any
         of those plans or deprive  Participant  of any material  fringe benefit
         enjoyed by Participant immediately prior to a Change in Control, or the
         failure by the Company to provide  Participant  with the number of paid
         vacation days to which  Participant is then entitled in accordance with
         the Company's normal vacation  practices in effect immediately prior to
         a Change in Control;

                  (f) Any purported termination of the Participant's  employment
         that is not effected pursuant to a Notice of Termination satisfying the
         following requirements:

                  A "Notice of  Termination"  means a notice that  indicates the
                  specific  provision in the definition of Cause relied upon and
                  setting forth in reasonable detail the facts and circumstances
                  claimed   to   provide   a  basis  for   termination   of  the
                  Participant's employment under the provision so indicated. Any
                  purported  termination  not  effected  pursuant to a Notice of
                  Termination   meeting  the  requirements  set  forth  in  this
                  subparagraph will not be effective.

                               4. ERISA PROVISIONS

4.1 The following  provisions are part of this Plan and are intended to meet the
requirements Part 4 of Title I of the ERISA:

                  (a) The named fiduciary: Equifax Inc.

                  (b) The funding policy under this Plan is that all premiums on
         the Policy be remitted to the Insurer when due.

                  (c) Direct  payment by the  Insurer is the basis of payment of
         benefits under the Plan, with those benefits in turn being based on the
         payment of premiums as provided in the Plan.

4.2 The following  provisions are part of this Plan and are intended to meet the
requirements of Part 5 of Title I of ERISA:

                  (a) For claims procedure purposes,  the "Claims Manager" shall
         be the Senior Vice President, Compensation and Benefits of the Company.

                                       5
<PAGE>

                  (b) If for any reason a claim for  benefits  under the Plan is
         denied by the Company, the Claims Manager shall deliver to the claimant
         a written  explanation  setting  forth  the  specific  reasons  for the
         denial,  pertinent references to the Plan or Agreement section on which
         the  denial  is  based,  such  other  data  as  may  be  pertinent  and
         information  on  the  procedures  to be  followed  by the  claimant  in
         obtaining a review of his claim, all written in a manner  calculated to
         be understood by the claimant. For this purpose:

                           (1) The claimant's claim shall be deemed filed when
presented orally or in writing to the Claims Manager.

                           (2) The Claims  Manager's explanation shall be in
writing delivered to the claimant within 90 days of the date the claim is filed.

                  (c) The claimant  shall have 60 days  following his receipt of
         the  denial  of the  claim to file  with the  Claims  Manager a written
         request for review of the denial.  For such review, the claimant or his
         representative  may submit  pertinent  documents and written issues and
         comments.

                  (d) The Claims  Manager  shall  decide the issue on review and
         furnish the claimant  with a copy within 60 days  following his receipt
         of the  claimant's  request  for review of his claim.  The  decision on
         review shall be in writing and shall include  specific  reasons for the
         decision  written  in a  manner  calculated  to be  understood  by  the
         claimant,  as  well  as  specific  references  to  the  pertinent  Plan
         provisions on which the decision is based. If a copy of the decision is
         not so furnished to the claimant  within such 60 days,  the claim shall
         be deemed denied on review.

                         5. EFFECT OF CHANGE IN CONTROL

         In the event of a Change in Control of the Company,  the trustee of any
trust  which  has  been   established   for  purposes  of  making   payments  of
contributions to insurance policies required by the Agreement shall, as provided
in such trust,  deliver to the appropriate  insurance company said contributions
as required.

                              6. AMENDMENT OF PLAN

         The  Plan  may be  amended  by the  Company  at any  time  in its  sole
discretion,  except that the  definition of Change in Control and the provisions
of  Section  5 above may not be  amended  without  the  written  consent  of all
Participants in the event that a Change in Control has occurred.

                                       6
<PAGE>

                  IN WITNESS  WHEREOF,  the Company has executed this Plan to be
effective January 1, 2000.

                                               EQUIFAX INC.

                                               By: /s/ Richard D. Gapen
                                               Title: Sr. Vice President
                                                      Compensation and Benefits
                                                      Plan Administrator

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