EXHIBIT 99.1 
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PROXY                                                                      PROXY
                               Ryerson Tull, Inc.
 
              Proxy Solicited on Behalf of The Board of Directors
 
  The undersigned hereby appoints Robert J. Darnall, Neil S. Novich and George
A. Ranney, Jr., and each of them, as attorneys and proxies (with full power of
substitution in each) to vote all shares of class A common stock of the Company
that the undersigned is entitled to vote at the Special Meeting of Stockholders
of the Company to be held on Thursday, February 25, 1999 and at any adjournment
thereof. Unless otherwise specified, this proxy will be voted FOR the merger
and the Agreement and Plan of Merger, dated as of October 27, 1998, by and
among Inland Steel Industries, Inc., RT Merger Sub, Inc. and the Company, and
at the discretion of the proxies on any and all other business related to
matters incidental to the approval of the merger as may properly come before
such Special Meeting or any adjournment thereof.
 
                        (Please complete on other side)

 
                  RYERSON TULL, INC.
              PLEASE MARK VOTE IN OVAL
              IN THE FOLLOWING MANNER
              USING DARK INK ONLY.
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                                      For
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                                    Against
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                                    Abstain
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                  The Board of Directors Recommends a Vote FOR
                                    Item 1.
1. The merger and the Agreement and Plan of Merger, dated as of October 27,
   1998, by and among Inland Steel Industries, Inc., RT Merger Sub, Inc. and
   the Company.
2. In the discretion of the proxies to vote upon any and all other matters
which may properly come before such special meeting or any adjournment thereof.
 
     Dated: _____________________________________________________________ , 1999
Signature(s)____________________________________________________________________
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Please sign as name appears hereon. Joint owners should each sign. When signing
as attorney, executor, administrator, trustee or guardian, please give full
title as such. Date and return promptly.