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                                                          Exhibit 10(iii)A(2)(g)


                                   APPENDIX F


F.1      Eligible Individual        George H. Gilmore

F.2      Effective Date Pursuant to Section 2.1(b), the Eligible Individual's
date of participation shall be June 1, 1999.

F.3      Special  Provisions  The  following  special  provisions  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 June 1, 1999 to his  Termination
Date.

         (b) The Eligible  Individual  will  receive a year of Credited  Service
under  Section  2.3 of the Plan for each  12-month  period he is employed by the
Company  or an  Adopting  Employer  for the  period  from  June  1,  1999 to his
Termination Date. If the Eligible Individual's final year of Credited Service is
not a full year,  he shall receive  partial  credit for such year based upon the
number of complete months worked during such partial year.

Except as  otherwise  specifically  provided in this  Appendix  F, the  Eligible
Individual's  benefits  under the Plan shall be  determined  under the  standard
provisions of the Plan.