Exhibit 10(iii)A(4)(i)


                                   APPENDIX E
                     (as amended and restated June 29, 2001)


E.1      Eligible Individual        Brock A. Hattox

E.2      Effective Date Pursuant to Section 2.1(b), the Eligible Individual's
date of participation shall be September 18, 1996.

E.3      Special Provisions The following special provision shall apply to the
Eligible Individual's participation in the Plan.

         (a) The Eligible Individual will qualify as a Vested Terminee if he
completes 5 years of employment with NSI from September 9, 1996 to his
Termination Date.

         (b) If the Eligible Individual terminates employment with NSI after
attaining age 55, the Eligible Individual shall be eligible for Early Retirement
under Sections 1.1(a)(2) and 3.3, and his benefit will be determined as if he
had completed an additional five (5) years of service (including Credited
Service and Eligible Service, but not to exceed a total of 20 years) and was
five (5) years older (but not to exceed age 65).

Except as otherwise specifically provided in this Appendix E, the Eligible
Individual's benefits under the Plan shall be determined in the same manner as
for other participants.