KERR-McGEE CORPORATION


                                POWER OF ATTORNEY




         WHEREAS,  Kerr-McGee Corporation,  a Delaware corporation  ("Company"),
intends to file with the Securities and Exchange Commission ("Commission") under
the  Securities  Exchange Act of 1934, as amended  ("ACT"),  an Annual Report on
Form 10-K for the year ended December 31, 1998 ("Form 10-K") with such amendment
or  amendments  thereto as may be  necessary or  appropriate  from time to time,
together with any and all exhibits and other relevant or associated documents.


         NOW,  THEREFORE,  the  undersigned in his capacity as a Director of the
Company,  does hereby  appoint  Luke R.  Corbett,  Tom J.  McDaniel  and John C.
Linehan,  and  each  of  them  severally,  his  true  and  lawful  attorneys  or
attorney-in-fact and agents or agent with power to act with or without the other
and with full power of substitution and  resubstitution,  to execute for him and
in his name, place and stead, in his capacity as a Director of the Company,  the
Form 10-K and any and all amendments  thereto, as said attorneys or each of them
shall deem necessary or appropriate,  together with all instruments necessary or
incidental in connection therewith, and to file the same or cause the same to be
filed  with the  Commission.  Each of said  attorneys  shall have full power and
authority to do and perform in the name and on behalf of the undersigned, in any
and all capacities, each act whatsoever necessary or desirable to be done in the
premises,  as fully and to all intents and purposes as the undersigned  might or
could do in person,  the undersigned  hereby ratifying and approving the acts of
said attorney or attorneys.


         IN WITNESS  WHEREOF,  the  undersigned  has  executed  this  instrument
effective March 15, 1999.



                                          (William E. Bradford)
                                          --------------------------------
                                          William E. Bradford, Director





                                                       
                             KERR-McGEE CORPORATION


                                POWER OF ATTORNEY




         WHEREAS,  Kerr-McGee Corporation,  a Delaware corporation  ("Company"),
intends to file with the Securities and Exchange Commission ("Commission") under
the  Securities  Exchange Act of 1934, as amended  ("ACT"),  an Annual Report on
Form 10-K for the year ended December 31, 1998 ("Form 10-K") with such amendment
or  amendments  thereto as may be  necessary or  appropriate  from time to time,
together with any and all exhibits and other relevant or associated documents.


         NOW,  THEREFORE,  the  undersigned  in his  capacity  as a Director  or
Officer or both, as the case may be, of the Company,  does hereby appoint Tom J.
McDaniel and John C. Linehan,  and each of them  severally,  his true and lawful
attorneys  or  attorney-in-fact  and  agents or agent  with power to act with or
without the other and with full power of  substitution  and  resubstitution,  to
execute for him and in his name,  place and stead, in his capacity as a Director
or Officer or both,  as the case may be, of the  Company,  the Form 10-K and any
and all  amendments  thereto,  as said  attorneys  or  each of them  shall  deem
necessary or appropriate,  together with all instruments necessary or incidental
in connection therewith, and to file the same or cause the same to be filed with
the Commission. Each of said attorneys shall have full power and authority to do
and  perform  in the  name  and on  behalf  of the  undersigned,  in any and all
capacities,  each  act  whatsoever  necessary  or  desirable  to be  done in the
premises,  as fully and to all intents and purposes as the undersigned  might or
could do in person,  the undersigned  hereby ratifying and approving the acts of
said attorney or attorneys.


         IN WITNESS  WHEREOF,  the  undersigned  has  executed  this  instrument
effective March 15, 1999.



                                          (Luke R. Corbett)
                                          --------------------------------
                                          Luke R. Corbett
                                          Chief Executive Officer and Director




 
                             KERR-McGEE CORPORATION


                                POWER OF ATTORNEY




         WHEREAS,  Kerr-McGee Corporation,  a Delaware corporation  ("Company"),
intends to file with the Securities and Exchange Commission ("Commission") under
the  Securities  Exchange Act of 1934, as amended  ("ACT"),  an Annual Report on
Form 10-K for the year ended December 31, 1998 ("Form 10-K") with such amendment
or  amendments  thereto as may be  necessary or  appropriate  from time to time,
together with any and all exhibits and other relevant or associated documents.


         NOW,  THEREFORE,  the  undersigned in her capacity as a Director of the
Company,  does hereby  appoint  Luke R.  Corbett,  Tom J.  McDaniel  and John C.
Linehan,  and  each  of  them  severally,  her  true  and  lawful  attorneys  or
attorney-in-fact and agents or agent with power to act with or without the other
and with full power of substitution and  resubstitution,  to execute for her and
in her name, place and stead, in her capacity as a Director of the Company,  the
Form 10-K and any and all amendments  thereto, as said attorneys or each of them
shall deem necessary or appropriate,  together with all instruments necessary or
incidental in connection therewith, and to file the same or cause the same to be
filed  with the  Commission.  Each of said  attorneys  shall have full power and
authority to do and perform in the name and on behalf of the undersigned, in any
and all capacities, each act whatsoever necessary or desirable to be done in the
premises,  as fully and to all intents and purposes as the undersigned  might or
could do in person,  the undersigned  hereby ratifying and approving the acts of
said attorney or attorneys.


         IN WITNESS  WHEREOF,  the  undersigned  has  executed  this  instrument
effective March 15, 1999.



                                            (Sylvia A. Earle)
                                            ---------------------------
                                            Sylvia A. Earle, Director





                             KERR-McGEE CORPORATION


                                POWER OF ATTORNEY




         WHEREAS,  Kerr-McGee Corporation,  a Delaware corporation  ("Company"),
intends to file with the Securities and Exchange Commission ("Commission") under
the  Securities  Exchange Act of 1934, as amended  ("ACT"),  an Annual Report on
Form 10-K for the year ended December 31, 1998 ("Form 10-K") with such amendment
or  amendments  thereto as may be  necessary or  appropriate  from time to time,
together with any and all exhibits and other relevant or associated documents.


         NOW,  THEREFORE,  the  undersigned in his capacity as a Director of the
Company,  does hereby  appoint  Luke R.  Corbett,  Tom J.  McDaniel  and John C.
Linehan,  and  each  of  them  severally,  his  true  and  lawful  attorneys  or
attorney-in-fact and agents or agent with power to act with or without the other
and with full power of substitution and  resubstitution,  to execute for him and
in his name, place and stead, in his capacity as a Director of the Company,  the
Form 10-K and any and all amendments  thereto, as said attorneys or each of them
shall deem necessary or appropriate,  together with all instruments necessary or
incidental in connection therewith, and to file the same or cause the same to be
filed  with the  Commission.  Each of said  attorneys  shall have full power and
authority to do and perform in the name and on behalf of the undersigned, in any
and all capacities, each act whatsoever necessary or desirable to be done in the
premises,  as fully and to all intents and purposes as the undersigned  might or
could do in person,  the undersigned  hereby ratifying and approving the acts of
said attorney or attorneys.


         IN WITNESS  WHEREOF,  the  undersigned  has  executed  this  instrument
effective March 15, 1999.



                                          (David C. Genever-Watling)
                                          --------------------------------
                                          David C. Genever-Watling, Director





                             KERR-McGEE CORPORATION


                                POWER OF ATTORNEY




         WHEREAS,  Kerr-McGee Corporation,  a Delaware corporation  ("Company"),
intends to file with the Securities and Exchange Commission ("Commission") under
the  Securities  Exchange Act of 1934, as amended  ("ACT"),  an Annual Report on
Form 10-K for the year ended December 31, 1998 ("Form 10-K") with such amendment
or  amendments  thereto as may be  necessary or  appropriate  from time to time,
together with any and all exhibits and other relevant or associated documents.


         NOW,  THEREFORE,  the  undersigned in his capacity as a Director of the
Company,  does hereby  appoint  Luke R.  Corbett,  Tom J.  McDaniel  and John C.
Linehan,  and  each  of  them  severally,  his  true  and  lawful  attorneys  or
attorney-in-fact and agents or agent with power to act with or without the other
and with full power of substitution and  resubstitution,  to execute for him and
in his name, place and stead, in his capacity as a Director of the Company,  the
Form 10-K and any and all amendments  thereto, as said attorneys or each of them
shall deem necessary or appropriate,  together with all instruments necessary or
incidental in connection therewith, and to file the same or cause the same to be
filed  with the  Commission.  Each of said  attorneys  shall have full power and
authority to do and perform in the name and on behalf of the undersigned, in any
and all capacities, each act whatsoever necessary or desirable to be done in the
premises,  as fully and to all intents and purposes as the undersigned  might or
could do in person,  the undersigned  hereby ratifying and approving the acts of
said attorney or attorneys.


         IN WITNESS  WHEREOF,  the  undersigned  has  executed  this  instrument
effective March 15, 1999.



                                         (Martin C. Jischke)
                                         --------------------------------
                                         Martin C. Jischke, Director




  

                             KERR-McGEE CORPORATION


                                POWER OF ATTORNEY




         WHEREAS,  Kerr-McGee Corporation,  a Delaware corporation  ("Company"),
intends to file with the Securities and Exchange Commission ("Commission") under
the  Securities  Exchange Act of 1934, as amended  ("ACT"),  an Annual Report on
Form 10-K for the year ended December 31, 1998 ("Form 10-K") with such amendment
or  amendments  thereto as may be  necessary or  appropriate  from time to time,
together with any and all exhibits and other relevant or associated documents.


         NOW,  THEREFORE,  the  undersigned  in his  capacity  as a Director  or
Officer or both, as the case may be, of the Company, does hereby appoint Luke R.
Corbett,  Tom J. McDaniel and John C. Linehan,  and each of them severally,  his
true and lawful attorneys or attorney-in-fact  and agents or agent with power to
act  with or  without  the  other  and  with  full  power  of  substitution  and
resubstitution,  to execute  for him and in his name,  place and  stead,  in his
capacity as a Director or Officer or both,  as the case may be, of the  Company,
the Form 10-K and any and all amendments  thereto,  as said attorneys or each of
them  shall  deem  necessary  or  appropriate,  together  with  all  instruments
necessary or incidental in connection  therewith,  and to file the same or cause
the same to be filed with the Commission. Each of said attorneys shall have full
power  and  authority  to do and  perform  in the  name  and  on  behalf  of the
undersigned,  in any  and all  capacities,  each  act  whatsoever  necessary  or
desirable to be done in the  premises,  as fully and to all intents and purposes
as the undersigned might or could do in person, the undersigned hereby ratifying
and approving the acts of said attorney or attorneys.


         IN WITNESS  WHEREOF,  the  undersigned  has  executed  this  instrument
effective March 15, 1999.



                                           (Robert L. Keiser)
                                           --------------------------------
                                           Robert L. Keiser
                                           Chairman of the Board and Director





                             KERR-McGEE CORPORATION


                                POWER OF ATTORNEY




         WHEREAS,  Kerr-McGee Corporation,  a Delaware corporation  ("Company"),
intends to file with the Securities and Exchange Commission ("Commission") under
the  Securities  Exchange Act of 1934, as amended  ("ACT"),  an Annual Report on
Form 10-K for the year ended December 31, 1998 ("Form 10-K") with such amendment
or  amendments  thereto as may be  necessary or  appropriate  from time to time,
together with any and all exhibits and other relevant or associated documents.


         NOW,  THEREFORE,  the  undersigned  in his  capacity  as a Director  or
Officer or both, as the case may be, of the Company, does hereby appoint Luke R.
Corbett and John C. Linehan his true and lawful  attorney-in-fact and agent with
power to act and with full power of substitution and resubstitution,  to execute
for him and in his name,  place and stead,  in his  capacity  as a  Director  or
Officer or both,  as the case may be, of the Company,  the Form 10-K and any and
all amendments  thereto,  as said attorneys or each of them shall deem necessary
or  appropriate,  together  with all  instruments  necessary  or  incidental  in
connection  therewith,  and to file the same or cause the same to be filed  with
the  Commission.  Said  attorneys  shall have full power and authority to do and
perform in the name and on behalf of the undersigned, in any and all capacities,
each act whatsoever necessary or desirable to be done in the premises,  as fully
and to all intents and purposes as the undersigned  might or could do in person,
the undersigned hereby ratifying and approving the acts of said attorney.


         IN WITNESS  WHEREOF,  the  undersigned  has  executed  this  instrument
effective March 15, 1999.



                                         (Tom J. McDaniel)
                                         --------------------------------
                                         Tom J. McDaniel
                                         Vice Chairman of the Board and
                                           Director






                             KERR-McGEE CORPORATION


                                POWER OF ATTORNEY




         WHEREAS,  Kerr-McGee Corporation,  a Delaware corporation  ("Company"),
intends to file with the Securities and Exchange Commission ("Commission") under
the  Securities  Exchange Act of 1934, as amended  ("ACT"),  an Annual Report on
Form 10-K for the year ended December 31, 1998 ("Form 10-K") with such amendment
or  amendments  thereto as may be  necessary or  appropriate  from time to time,
together with any and all exhibits and other relevant or associated documents.


         NOW,  THEREFORE,  the  undersigned in his capacity as a Director of the
Company,  does hereby  appoint  Luke R.  Corbett,  Tom J.  McDaniel  and John C.
Linehan,  and  each  of  them  severally,  his  true  and  lawful  attorneys  or
attorney-in-fact and agents or agent with power to act with or without the other
and with full power of substitution and  resubstitution,  to execute for him and
in his name, place and stead, in his capacity as a Director of the Company,  the
Form 10-K and any and all amendments  thereto, as said attorneys or each of them
shall deem necessary or appropriate,  together with all instruments necessary or
incidental in connection therewith, and to file the same or cause the same to be
filed  with the  Commission.  Each of said  attorneys  shall have full power and
authority to do and perform in the name and on behalf of the undersigned, in any
and all capacities, each act whatsoever necessary or desirable to be done in the
premises,  as fully and to all intents and purposes as the undersigned  might or
could do in person,  the undersigned  hereby ratifying and approving the acts of
said attorney or attorneys.


         IN WITNESS  WHEREOF,  the  undersigned  has  executed  this  instrument
effective March 15, 1999.



                                            (William C. Morris)
                                            --------------------------------
                                            William C. Morris, Director




                             KERR-McGEE CORPORATION


                                POWER OF ATTORNEY



         WHEREAS,  Kerr-McGee Corporation,  a Delaware corporation  ("Company"),
intends to file with the Securities and Exchange Commission ("Commission") under
the  Securities  Exchange Act of 1934, as amended  ("ACT"),  an Annual Report on
Form 10-K for the year ended December 31, 1998 ("Form 10-K") with such amendment
or  amendments  thereto as may be  necessary or  appropriate  from time to time,
together with any and all exhibits and other relevant or associated documents.


         NOW,  THEREFORE,  the  undersigned in his capacity as a Director of the
Company,  does hereby  appoint  Luke R.  Corbett,  Tom J.  McDaniel  and John C.
Linehan,  and  each  of  them  severally,  his  true  and  lawful  attorneys  or
attorney-in-fact and agents or agent with power to act with or without the other
and with full power of substitution and  resubstitution,  to execute for him and
in his name, place and stead, in his capacity as a Director of the Company,  the
Form 10-K and any and all amendments  thereto, as said attorneys or each of them
shall deem necessary or appropriate,  together with all instruments necessary or
incidental in connection therewith, and to file the same or cause the same to be
filed  with the  Commission.  Each of said  attorneys  shall have full power and
authority to do and perform in the name and on behalf of the undersigned, in any
and all capacities, each act whatsoever necessary or desirable to be done in the
premises,  as fully and to all intents and purposes as the undersigned  might or
could do in person,  the undersigned  hereby ratifying and approving the acts of
said attorney or attorneys.


         IN WITNESS  WHEREOF,  the  undersigned  has  executed  this  instrument
effective March 15, 1999.



                                            (John J. Murphy)
                                            --------------------------------
                                            John J. Murphy, Director







                            KERR-McGEE CORPORATION


                                POWER OF ATTORNEY




         WHEREAS,  Kerr-McGee Corporation,  a Delaware corporation  ("Company"),
intends to file with the Securities and Exchange Commission ("Commission") under
the  Securities  Exchange Act of 1934, as amended  ("ACT"),  an Annual Report on
Form 10-K for the year ended December 31, 1998 ("Form 10-K") with such amendment
or  amendments  thereto as may be  necessary or  appropriate  from time to time,
together with any and all exhibits and other relevant or associated documents.


         NOW,  THEREFORE,  the  undersigned in his capacity as a Director of the
Company,  does hereby  appoint  Luke R.  Corbett,  Tom J.  McDaniel  and John C.
Linehan,  and  each  of  them  severally,  his  true  and  lawful  attorneys  or
attorney-in-fact and agents or agent with power to act with or without the other
and with full power of substitution and  resubstitution,  to execute for him and
in his name, place and stead, in his capacity as a Director of the Company,  the
Form 10-K and any and all amendments  thereto, as said attorneys or each of them
shall deem necessary or appropriate,  together with all instruments necessary or
incidental in connection therewith, and to file the same or cause the same to be
filed  with the  Commission.  Each of said  attorneys  shall have full power and
authority to do and perform in the name and on behalf of the undersigned, in any
and all capacities, each act whatsoever necessary or desirable to be done in the
premises,  as fully and to all intents and purposes as the undersigned  might or
could do in person,  the undersigned  hereby ratifying and approving the acts of
said attorney or attorneys.


         IN WITNESS  WHEREOF,  the  undersigned  has  executed  this  instrument
effective March 15, 1999.



                                           (Leroy C. Richie)
                                           --------------------------------
                                           Leroy C. Richie, Director




                             KERR-McGEE CORPORATION


                                POWER OF ATTORNEY




         WHEREAS,  Kerr-McGee Corporation,  a Delaware corporation  ("Company"),
intends to file with the Securities and Exchange Commission ("Commission") under
the  Securities  Exchange Act of 1934, as amended  ("ACT"),  an Annual Report on
Form 10-K for the year ended December 31, 1998 ("Form 10-K") with such amendment
or  amendments  thereto as may be  necessary or  appropriate  from time to time,
together with any and all exhibits and other relevant or associated documents.


         NOW,  THEREFORE,  the  undersigned in his capacity as a Director of the
Company,  does hereby  appoint  Luke R.  Corbett,  Tom J.  McDaniel  and John C.
Linehan,  and  each  of  them  severally,  his  true  and  lawful  attorneys  or
attorney-in-fact and agents or agent with power to act with or without the other
and with full power of substitution and  resubstitution,  to execute for him and
in his name, place and stead, in his capacity as a Director of the Company,  the
Form 10-K and any and all amendments  thereto, as said attorneys or each of them
shall deem necessary or appropriate,  together with all instruments necessary or
incidental in connection therewith, and to file the same or cause the same to be
filed  with the  Commission.  Each of said  attorneys  shall have full power and
authority to do and perform in the name and on behalf of the undersigned, in any
and all capacities, each act whatsoever necessary or desirable to be done in the
premises,  as fully and to all intents and purposes as the undersigned  might or
could do in person,  the undersigned  hereby ratifying and approving the acts of
said attorney or attorneys.


         IN WITNESS  WHEREOF,  the  undersigned  has  executed  this  instrument
effective March 15, 1999.



                                            (Richard M. Romopala)
                                            --------------------------------
                                            Richard M. Rompala, Director




                             KERR-McGEE CORPORATION


                                POWER OF ATTORNEY




         WHEREAS,  Kerr-McGee Corporation,  a Delaware corporation  ("Company"),
intends to file with the Securities and Exchange Commission ("Commission") under
the  Securities  Exchange Act of 1934, as amended  ("ACT"),  an Annual Report on
Form 10-K for the year ended December 31, 1998 ("Form 10-K") with such amendment
or  amendments  thereto as may be  necessary or  appropriate  from time to time,
together with any and all exhibits and other relevant or associated documents.


         NOW,  THEREFORE,  the  undersigned in his capacity as a Director of the
Company,  does hereby  appoint  Luke R.  Corbett,  Tom J.  McDaniel  and John C.
Linehan,  and  each  of  them  severally,  his  true  and  lawful  attorneys  or
attorney-in-fact and agents or agent with power to act with or without the other
and with full power of substitution and  resubstitution,  to execute for him and
in his name, place and stead, in his capacity as a Director of the Company,  the
Form 10-K and any and all amendments  thereto, as said attorneys or each of them
shall deem necessary or appropriate,  together with all instruments necessary or
incidental in connection therewith, and to file the same or cause the same to be
filed  with the  Commission.  Each of said  attorneys  shall have full power and
authority to do and perform in the name and on behalf of the undersigned, in any
and all capacities, each act whatsoever necessary or desirable to be done in the
premises,  as fully and to all intents and purposes as the undersigned  might or
could do in person,  the undersigned  hereby ratifying and approving the acts of
said attorney or attorneys.


         IN WITNESS  WHEREOF,  the  undersigned  has  executed  this  instrument
effective March 15, 1999.



                                          (Matthew R. Simmons)
                                          --------------------------------
                                          Matthew R. Simmons, Director





                             KERR-McGEE CORPORATION


                                POWER OF ATTORNEY




         WHEREAS,  Kerr-McGee Corporation,  a Delaware corporation  ("Company"),
intends to file with the Securities and Exchange Commission ("Commission") under
the  Securities  Exchange Act of 1934, as amended  ("ACT"),  an Annual Report on
Form 10-K for the year ended December 31, 1998 ("Form 10-K") with such amendment
or  amendments  thereto as may be  necessary or  appropriate  from time to time,
together with any and all exhibits and other relevant or associated documents.


         NOW,  THEREFORE,  the  undersigned in her capacity as a Director of the
Company,  does hereby  appoint  Luke R.  Corbett,  Tom J.  McDaniel  and John C.
Linehan,  and  each  of  them  severally,  her  true  and  lawful  attorneys  or
attorney-in-fact and agents or agent with power to act with or without the other
and with full power of substitution and  resubstitution,  to execute for her and
in her name, place and stead, in her capacity as a Director of the Company,  the
Form 10-K and any and all amendments  thereto, as said attorneys or each of them
shall deem necessary or appropriate,  together with all instruments necessary or
incidental in connection therewith, and to file the same or cause the same to be
filed  with the  Commission.  Each of said  attorneys  shall have full power and
authority to do and perform in the name and on behalf of the undersigned, in any
and all capacities, each act whatsoever necessary or desirable to be done in the
premises,  as fully and to all intents and purposes as the undersigned  might or
could do in person,  the undersigned  hereby ratifying and approving the acts of
said attorney or attorneys.


         IN WITNESS  WHEREOF,  the  undersigned  has  executed  this  instrument
effective March 15, 1999.



                                        (Farah M. Walters)
                                        -------------------------------------
                                        Farah M. Walters, Director


 


                            KERR-McGEE CORPORATION


                                POWER OF ATTORNEY




         WHEREAS,  Kerr-McGee Corporation,  a Delaware corporation  ("Company"),
intends to file with the Securities and Exchange Commission ("Commission") under
the  Securities  Exchange Act of 1934, as amended  ("ACT"),  an Annual Report on
Form 10-K for the year ended December 31, 1998 ("Form 10-K") with such amendment
or  amendments  thereto as may be  necessary or  appropriate  from time to time,
together with any and all exhibits and other relevant or associated documents.


         NOW,  THEREFORE,  the  undersigned in his capacity as a Director of the
Company,  does hereby  appoint  Luke R.  Corbett,  Tom J.  McDaniel  and John C.
Linehan,  and  each  of  them  severally,  his  true  and  lawful  attorneys  or
attorney-in-fact and agents or agent with power to act with or without the other
and with full power of substitution and  resubstitution,  to execute for him and
in his name, place and stead, in his capacity as a Director of the Company,  the
Form 10-K and any and all amendments  thereto, as said attorneys or each of them
shall deem necessary or appropriate,  together with all instruments necessary or
incidental in connection therewith, and to file the same or cause the same to be
filed  with the  Commission.  Each of said  attorneys  shall have full power and
authority to do and perform in the name and on behalf of the undersigned, in any
and all capacities, each act whatsoever necessary or desirable to be done in the
premises,  as fully and to all intents and purposes as the undersigned  might or
could do in person,  the undersigned  hereby ratifying and approving the acts of
said attorney or attorneys.


         IN WITNESS  WHEREOF,  the  undersigned  has  executed  this  instrument
effective March 15, 1999.



                                           (Ian L. White-Thomson)
                                           --------------------------------
                                           Ian L. White-Thomson, Director