WITNESSETH THAT:

                                             EXHIBIT NUMBER (10)(xxix)(1)
                                             TO 2000 FORM 10-K

                           FIRST AMENDMENT TO LEASE


           THIS FIRST AMENDMENT TO LEASE (this "Amendment"), made and entered
into as of the 29 day of February, 2000, by and between PERIMETER SUMMIT PARCEL
               --
3 LIMITED PARTNERSHIP, a Georgia limited partnership ("Landlord") and NORTHERN
TRUST RETIREMENT CONSULTING, LLC, a Delaware limited liability corporation
("Tenant").

                                WITNESSETH THAT:

           WHEREAS, Landlord and Tenant entered into that certain Lease
Agreement dated November 5, 1999 (the "Lease"), for certain premises in the
building located at 0000 Xxxxxx Xxxxxxxxx, Xxxxxxx, Xxxxxxx (the "Building"),
consisting of approximately 127,611 rentable square feet of space (the
"Premises");

           WHEREAS, Landlord and Tenant desire to amend the Lease and other
matters by means of this Amendment.

           NOW THEREFORE, in consideration of the mutual covenants contained
herein, and other good and valuable consideration, the receipt, adequacy and
sufficiency of which are hereby acknowledged, the Lease is hereby amended and
the parties hereto do hereby agree as follows:

           1.  Landlord hereby agrees to provide to Tenant an additional tenant
               improvement allowance equal to $2.66 per rentable square foot of
               space (the "Supplemental Tenant Improvement Allowance") with
               respect to the initial Premises and any other premises leased by
               Tenant having a term that commences upon the Commencement Date or
               within one hundred eighty (180) days after such Commencement Date
               which shall include Tenant's Expansion Option A and Expansion
               Option B under Expansion Schedule I of the Lease. The
               Supplemental Tenant Improvement Allowance shall be considered
               part of the Tenant Improvement Allowance for all purposes under
               the Lease and may be utilized by Tenant for Construction Costs,
               other tenant improvement costs or as an offset against Base
               Rental until fully utilized.

           2.  All capitalized terms used herein and not otherwise defined
               herein shall have the meanings ascribed to them in the Lease.

           EXCEPT AS expressly amended and modified hereby, the Lease shall
otherwise remain in full force and effect, the parties hereto hereby ratifying
and confirming the same. To the extent of any inconsistency between the Lease
and this Amendment, the terms of this Amendment shall control.


      IN WITNESS WHEREOF, the undersigned parties have duly executed this
      Amendment as of the day and year first above written.

LANDLORD:                                   TENANT:


PERIMETER SUMMIT PARCEL 3                   NORTHERN TRUST RETIREMENT
LIMITED PARTNERSHIP, a Georgia              CONSULTING, LLC, a Delaware limited
limited partnership                         liability corporation

By: Hires Management, L.L.C., a Delaware    By:         /s/Xxxxxx Xxxx
    limited liability company, general          ----------------------
    partner of Perimeter Summit Parcel 3         Name: Xxxxxx Xxxx
    Limited Partnership                          Title:  Chief Executive Officer

    By: Xxxxx Interests Limited Partnership,
        a Delaware limited partnership, sole
        member of Xxxxx Management,
        L.L.C.

      By: Xxxxx Holdings, Inc., a Texas
          corporation, sole member of
          Xxxxx Interest Limited
          Partnership

          By: /s/ C. Xxxxx Xxxxxxxxx
              --------------------------------------
                 C. Xxxxx Xxxxxxxxx
                 Executive Vice President