<PAGE>
EXHIBIT 10(A)
[LOGO APPEARS HERE]
--------------------------------------------------------------------------------
Internal Correspondence L. F. Zizzo
Vice President - Human Resources
National Steel Corporation
4100 Edison Lakes Parkway
Mishawaka, IN 46545-3440
(219) 273-7857
HAND DELIVERED
--------------
CONFIDENTIAL
To: G. H. Gage
Senior Vice President
and Chief Financial Officer
From: L. F. Zizzo
Re: Employment Agreement
--------------------
Date: July 25, 2000
This letter will confirm that National Steel Corporation is agreeable to
extending your Employment Agreement for an additional two years, from
August 1, 2000 to July 31, 2002.
In connection with your memorandum to Y. Tanaka and me, dated July 17, 2000, in
which you request certain modifications to your Employment Agreement, these
modifications will be considered at the Compensation Committee Meeting to be
held on August 7, 2000. Any changes to your Employment Agreement will require
Board approval.
Please confirm to me by July 31, 2000 your agreement to extend your Employment
Agreement for an additional two years, to July 31, 2002.
AGREED TO:
BY /s/ Glenn H. Gage
-----------------
Glenn H. Gage
