<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, 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, 2000,
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 _______ day of
__________________, 2001.



                                                        /s/ Richard LeBlanc
                                                  ------------------------------
                                                          Richard LeBlanc


<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, 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, 2000,
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 _______ day of
__________________, 2001.



                                                      /s/ Lakshmi N. Mittal
                                                  ------------------------------
                                                         Lakshmi N. Mittal


<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, 2000,
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 _______ day of
__________________, 2001.



                                                       /s/ Malay Mukherjee
                                                  ------------------------------
                                                          Malay Mukherjee


<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, 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, 2000,
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 _______ day of
__________________, 2001.



                                                      /s/ Robert B. McKersie
                                                  ------------------------------
                                                         Robert B. McKersie