<PAGE>   1
                               ISPAT INLAND INC.

                               POWER OF ATTORNEY


     KNOW ALL MEN BY THESE PRESENTS, that I, the undersigned, as a director
and(or) officer of Ispat Inland Inc., a Delaware corporation, do hereby
nominate, constitute and appoint John M. Hanak, Marc R. Jeske, Michael G. Rippey
and Dale E. Wiersbe, or any one or more of them, my true and lawful attorneys
and agents to do any and all acts and things and execute any and all instruments
which said attorneys and agents, or any of them, may deem necessary or advisable
to enable said Ispat Inland Inc. to comply with the Securities Exchange Act of
1934, as amended, and any requirements of the Securities and Exchange Commission
in respect thereof, in connection with the preparation and filing of the Annual
Report on Form 10-K of said Ispat Inland Inc. for the fiscal year ended December
31, 1998, including specifically, but without limitation thereof, full power and
authority to sign my name as a director and(or) officer of said Ispat Inland
Inc. to said Annual Report on Form 10-K and any amendment thereto, hereby
ratifying and confirming all that said attorneys and agents, or any of them,
shall do or cause to be done by virtue thereof.

     IN WITNESS WHEREOF, I have hereunto set my hand this 28th day of January,
1999.




                                        /s/ JOHANNES SITTARD
                                        --------------------
                                            Johannes Sittard

<PAGE>   2
                               ISPAT INLAND INC.

                               POWER OF ATTORNEY


     KNOW ALL MEN BY THESE PRESENTS, that I, the undersigned, as a director
and (or) officer of Ispat Inland Inc., a Delaware corporation, do hereby
nominate, constitute and appoint John M. Hanak, Marc R. Jeske, Michael G. Rippey
and Dale E. Wiersbe, or any one or more of them, my true and lawful attorneys
and agents to do any and all acts and things and execute any and all instruments
which said attorneys and agents, or any of them, may deem necessary or advisable
to enable said Ispat Inland Inc. to comply with the Securities Exchange Act of
1934, as amended, and any requirements of the Securities and Exchange Commission
in respect thereof, in connection with the preparation and filing of the Annual
Report on Form 10-K of said Ispat Inland Inc. for the fiscal year ended December
31, 1998, including specifically, but without limitation thereof, full power and
authority to sign my name as a director and (or) officer of said Ispat Inland
Inc. to said Annual Report on Form 10-K and any amendment thereto, hereby
ratifying and confirming all that said attorneys and agents, or any of them,
shall do or cause to be done by virtue thereof.

     IN WITNESS WHEREOF, I have hereunto set my hand this 28th day of January,
1999.




                                        /s/ ROBERT B. McKERSIE
                                        ______________________
                                        Robert B. McKersie

<PAGE>   3
                               ISPAT INLAND INC.

                               POWER OF ATTORNEY


     KNOW ALL MEN BY THESE PRESENTS, that I, the undersigned, as a director
and (or) officer of Ispat Inland Inc., a Delaware corporation, do hereby
nominate, constitute and appoint John M. Hanak, Marc R. Jeske, and Michael G.
Rippey, or any one or more of them, my true and lawful attorneys and agents to
do any and all acts and things and execute any and all instruments which said
attorneys and agents, or any of them, may deem necessary or advisable to enable
said Ispat Inland Inc. to comply with the Securities Exchange Act of 1934, as
amended, and any requirements of the Securities and Exchange Commission in
respect thereof, in connection with the preparation and filing of the Annual
Report on Form 10-K of said Ispat Inland Inc. for the fiscal year ended December
31, 1998, including specifically, but without limitation thereof, full power and
authority to sign my name as a director and (or) officer of said Ispat Inland
Inc. to said Annual Report on Form 10-K and any amendment thereto, hereby
ratifying and confirming all that said attorneys and agents, or any of them,
shall do or cause to be done by virtue thereof.

     IN WITNESS WHEREOF, I have hereunto set my hand this 28th day of January,
1999.


                                                      /s/ Dale E. Wiersbe
                                               ---------------------------------
                                                        Dale E. Wiersbe



<PAGE>   4
                               ISPAT INLAND INC.

                               POWER OF ATTORNEY

         KNOW ALL MEN BY THESE PRESENTS, that I, the undersigned, as a director
and(or) officer of Ispat Inland Inc., a Delaware corporation, do hereby
nominate, constitute and appoint John M. Hanak, Marc R. Jeske, Michael G. Rippey
and Dale E. Wiersbe, or any one or more of them, my true and lawful attorneys
and agents to do any and all acts and things and execute any and all instruments
which said attorneys and agents, or any of them, may deem necessary or
advisable to enable said Ispat Inland Inc. to comply with the Securities
Exchange Act of 1934, as amended, and any requirements of the Securities and
Exchange Commission in respect thereof, in connection with the preparation and
filing of the Annual Report on Form 10-K of said Ispat Inland Inc. for the
fiscal year ended December 31, 1998, including specifically, but without
limitation thereof, full power and authority to sign my name as a director
and(or) officer of said Ispat Inland Inc. to said Annual Report on Form 10-K and
any amendment thereto, hereby ratifying and confirming all that said attorneys
and agents, or any of them, shall do or cause to be done by virtue thereof.

         IN WITNESS WHEREOF, I have hereunto set my hand this 28th day of
January, 1999.


                                          /s/  LAKSHMI N. MITTAL
                                          ---------------------------
                                               Lakshmi N. Mittal