<PAGE>
EXHIBIT 24
POWER OF ATTORNEY
-----------------
KNOW ALL MEN BY THESE PRESENTS, that the person whose signature
appears below constitutes and appoints (1) the Senior Vice President and General
Counsel or any Associate General Counsel of E.I. duPont de Nemours and Company
(hereinafter referred to as the "Company"), and (2) the Chief Financial Officer
of the Company, or any Vice President, DuPont Finance, jointly, in his or her
name, place and stead, in any and all capacities, to execute and file, or cause
to be filed, with the Securities and Exchange Commission, Registration
Statements on Form S-8 relating to DuPont common stock, $0.30 par value, offered
under various compensation and benefit plans of the Company and its subsidiaries
and affiliates, any and all amendments thereto (including post-effective
amendments), and all matters required by the Commission in connection with such
registration under the Securities Act of 1933, as amended, granting unto said
attorneys-in-fact and agents full power and authority to do and perform each and
every act and thing requisite and necessary to be done as fully to all intents
and purposes as he or she might or could do in person, hereby ratifying and
confirming all that said attorneys-in-fact and agents may lawfully do or cause
to be done by virtue hereof.
/s/ C. O. Holliday, Jr. 10/25/97
----------------------- --------
Director Date
11
<PAGE>
EXHIBIT 24
POWER OF ATTORNEY
-----------------
KNOW ALL MEN BY THESE PRESENTS, that the person whose signature
appears below constitutes and appoints (1) the Senior Vice President and General
Counsel or any Associate General Counsel of E.I. duPont de Nemours and Company
(hereinafter referred to as the "Company"), and (2) the Chief Financial Officer
of the Company, or any Vice President, DuPont Finance, jointly, in his or her
name, place and stead, in any and all capacities, to execute and file, or cause
to be filed, with the Securities and Exchange Commission, Registration
Statements on Form S-8 relating to DuPont common stock, $0.30 par value, offered
under various compensation and benefit plans of the Company and its subsidiaries
and affiliates, any and all amendments thereto (including post-effective
amendments), and all matters required by the Commission in connection with such
registration under the Securities Act of 1933, as amended, granting unto said
attorneys-in-fact and agents full power and authority to do and perform each and
every act and thing requisite and necessary to be done as fully to all intents
and purposes as he or she might or could do in person, hereby ratifying and
confirming all that said attorneys-in-fact and agents may lawfully do or cause
to be done by virtue hereof.
/s/ A. J. P. Belda 6/5/00
----------------------- ------
Director Date
12
<PAGE>
POWER OF ATTORNEY
-----------------
KNOW ALL MEN BY THESE PRESENTS, that the person whose signature
appears below constitutes and appoints (1) the Senior Vice President and General
Counsel or any Associate General Counsel of E.I. duPont de Nemours and Company
(hereinafter referred to as the "Company"), and (2) the Chief Financial Officer
of the Company, or any Vice President, DuPont Finance, jointly, in his or her
name, place and stead, in any and all capacities, to execute and file, or cause
to be filed, with the Securities and Exchange Commission, Registration
Statements on Form S-8 relating to DuPont common stock, $0.30 par value, offered
under various compensation and benefit plans of the Company and its subsidiaries
and affiliates, any and all amendments thereto (including post-effective
amendments), and all matters required by the Commission in connection with such
registration under the Securities Act of 1933, as amended, granting unto said
attorneys-in-fact and agents full power and authority to do and perform each and
every act and thing requisite and necessary to be done as fully to all intents
and purposes as he or she might or could do in person, hereby ratifying and
confirming all that said attorneys-in-fact and agents may lawfully do or cause
to be done by virtue hereof.
/s/ C. J. Crawford 7/24/99
------------------ -------
Director Date
13
<PAGE>
POWER OF ATTORNEY
-----------------
KNOW ALL MEN BY THESE PRESENTS, that the person whose signature
appears below constitutes and appoints (1) the Senior Vice President and General
Counsel or any Associate General Counsel of E.I. duPont de Nemours and Company
(hereinafter referred to as the "Company"), and (2) the Chief Financial Officer
of the Company, or any Vice President, DuPont Finance, jointly, in his or her
name, place and stead, in any and all capacities, to execute and file, or cause
to be filed, with the Securities and Exchange Commission, Registration
Statements on Form S-8 relating to DuPont common stock, $0.30 par value, offered
under various compensation and benefit plans of the Company and its subsidiaries
and affiliates, any and all amendments thereto (including post-effective
amendments), and all matters required by the Commission in connection with such
registration under the Securities Act of 1933, as amended, granting unto said
attorneys-in-fact and agents full power and authority to do and perform each and
every act and thing requisite and necessary to be done as fully to all intents
and purposes as he or she might or could do in person, hereby ratifying and
confirming all that said attorneys-in-fact and agents may lawfully do or cause
to be done by virtue hereof.
/s/ Louisa C. Duemling October 28, 1997
---------------------- ----------------
Director Date
14
<PAGE>
POWER OF ATTORNEY
-----------------
KNOW ALL MEN BY THESE PRESENTS, that the person whose signature
appears below constitutes and appoints (1) the Senior Vice President and General
Counsel or any Associate General Counsel of E.I. duPont de Nemours and Company
(hereinafter referred to as the "Company"), and (2) the Chief Financial Officer
of the Company, or any Vice President, DuPont Finance, jointly, in his or her
name, place and stead, in any and all capacities, to execute and file, or cause
to be filed, with the Securities and Exchange Commission, Registration
Statements on Form S-8 relating to DuPont common stock, $0.30 par value, offered
under various compensation and benefit plans of the Company and its subsidiaries
and affiliates, any and all amendments thereto (including post-effective
amendments), and all matters required by the Commission in connection with such
registration under the Securities Act of 1933, as amended, granting unto said
attorneys-in-fact and agents full power and authority to do and perform each and
every act and thing requisite and necessary to be done as fully to all intents
and purposes as he or she might or could do in person, hereby ratifying and
confirming all that said attorneys-in-fact and agents may lawfully do or cause
to be done by virtue hereof.
/s/ Edward B. du Pont (undated)
--------------------- ---------
Director Date
<PAGE>
POWER OF ATTORNEY
-----------------
KNOW ALL MEN BY THESE PRESENTS, that the person whose signature
appears below constitutes and appoints (1) the Senior Vice President and General
Counsel or any Associate General Counsel of E.I. duPont de Nemours and Company
(hereinafter referred to as the "Company"), and (2) the Chief Financial Officer
of the Company, or any Vice President, DuPont Finance, jointly, in his or her
name, place and stead, in any and all capacities, to execute and file, or cause
to be filed, with the Securities and Exchange Commission, Registration
Statements on Form S-8 relating to DuPont common stock, $0.30 par value, offered
under various compensation and benefit plans of the Company and its subsidiaries
and affiliates, any and all amendments thereto (including post-effective
amendments), and all matters required by the Commission in connection with such
registration under the Securities Act of 1933, as amended, granting unto said
attorneys-in-fact and agents full power and authority to do and perform each and
every act and thing requisite and necessary to be done as fully to all intents
and purposes as he or she might or could do in person, hereby ratifying and
confirming all that said attorneys-in-fact and agents may lawfully do or cause
to be done by virtue hereof.
/s/ D. C. Hopkins 6/5/00
------------------ ------
Director Date
16
<PAGE>
POWER OF ATTORNEY
-----------------
KNOW ALL MEN BY THESE PRESENTS, that the person whose signature
appears below constitutes and appoints (1) the Senior Vice President and General
Counsel or any Associate General Counsel of E.I. duPont de Nemours and Company
(hereinafter referred to as the "Company"), and (2) the Chief Financial Officer
of the Company, or any Vice President, DuPont Finance, jointly, in his or her
name, place and stead, in any and all capacities, to execute and file, or cause
to be filed, with the Securities and Exchange Commission, Registration
Statements on Form S-8 relating to DuPont common stock, $0.30 par value, offered
under various compensation and benefit plans of the Company and its subsidiaries
and affiliates, any and all amendments thereto (including post-effective
amendments), and all matters required by the Commission in connection with such
registration under the Securities Act of 1933, as amended, granting unto said
attorneys-in-fact and agents full power and authority to do and perform each and
every act and thing requisite and necessary to be done as fully to all intents
and purposes as he or she might or could do in person, hereby ratifying and
confirming all that said attorneys-in-fact and agents may lawfully do or cause
to be done by virtue hereof.
/s/ Lois D. Juliber 10/25/97
------------------- --------
Director Date
17
<PAGE>
POWER OF ATTORNEY
-----------------
KNOW ALL MEN BY THESE PRESENTS, that the person whose signature
appears below constitutes and appoints (1) the Senior Vice President and General
Counsel or any Associate General Counsel of E.I. duPont de Nemours and Company
(hereinafter referred to as the "Company"), and (2) the Chief Financial Officer
of the Company, or any Vice President, DuPont Finance, jointly, in his or her
name, place and stead, in any and all capacities, to execute and file, or cause
to be filed, with the Securities and Exchange Commission, Registration
Statements on Form S-8 relating to DuPont common stock, $0.30 par value, offered
under various compensation and benefit plans of the Company and its subsidiaries
and affiliates, any and all amendments thereto (including post-effective
amendments), and all matters required by the Commission in connection with such
registration under the Securities Act of 1933, as amended, granting unto said
attorneys-in-fact and agents full power and authority to do and perform each and
every act and thing requisite and necessary to be done as fully to all intents
and purposes as he or she might or could do in person, hereby ratifying and
confirming all that said attorneys-in-fact and agents may lawfully do or cause
to be done by virtue hereof.
/s/ G. Lindahl 5/6/00
------------------- ------
Director Date
18
<PAGE>
POWER OF ATTORNEY
-----------------
KNOW ALL MEN BY THESE PRESENTS, that the person whose signature
appears below constitutes and appoints (1) the Senior Vice President and General
Counsel or any Associate General Counsel of E.I. duPont de Nemours and Company
(hereinafter referred to as the "Company"), and (2) the Chief Financial Officer
of the Company, or any Vice President, DuPont Finance, jointly, in his or her
name, place and stead, in any and all capacities, to execute and file, or cause
to be filed, with the Securities and Exchange Commission, Registration
Statements on Form S-8 relating to DuPont common stock, $0.30 par value, offered
under various compensation and benefit plans of the Company and its subsidiaries
and affiliates, any and all amendments thereto (including post-effective
amendments), and all matters required by the Commission in connection with such
registration under the Securities Act of 1933, as amended, granting unto said
attorneys-in-fact and agents full power and authority to do and perform each and
every act and thing requisite and necessary to be done as fully to all intents
and purposes as he or she might or could do in person, hereby ratifying and
confirming all that said attorneys-in-fact and agents may lawfully do or cause
to be done by virtue hereof.
/s/ M. Naitoh 6/6/00
--------------------- ------
Director Date
19
<PAGE>
POWER OF ATTORNEY
-----------------
KNOW ALL MEN BY THESE PRESENTS, that the person whose signature
appears below constitutes and appoints (1) the Senior Vice President and General
Counsel or any Associate General Counsel of E.I. duPont de Nemours and Company
(hereinafter referred to as the "Company"), and (2) the Chief Financial Officer
of the Company, or any Vice President, DuPont Finance, jointly, in his or her
name, place and stead, in any and all capacities, to execute and file, or cause
to be filed, with the Securities and Exchange Commission, Registration
Statements on Form S-8 relating to DuPont common stock, $0.30 par value, offered
under various compensation and benefit plans of the Company and its subsidiaries
and affiliates, any and all amendments thereto (including post-effective
amendments), and all matters required by the Commission in connection with such
registration under the Securities Act of 1933, as amended, granting unto said
attorneys-in-fact and agents full power and authority to do and perform each and
every act and thing requisite and necessary to be done as fully to all intents
and purposes as he or she might or could do in person, hereby ratifying and
confirming all that said attorneys-in-fact and agents may lawfully do or cause
to be done by virtue hereof.
/s/ William K. Reilly Dec 17, 1997
--------------------- ------------
Director Date
20
<PAGE>
POWER OF ATTORNEY
-----------------
KNOW ALL MEN BY THESE PRESENTS, that the person whose signature
appears below constitutes and appoints (1) the Senior Vice President and General
Counsel or any Associate General Counsel of E.I. duPont de Nemours and Company
(hereinafter referred to as the "Company"), and (2) the Chief Financial Officer
of the Company, or any Vice President, DuPont Finance, jointly, in his or her
name, place and stead, in any and all capacities, to execute and file, or cause
to be filed, with the Securities and Exchange Commission, Registration
Statements on Form S-8 relating to DuPont common stock, $0.30 par value, offered
under various compensation and benefit plans of the Company and its subsidiaries
and affiliates, any and all amendments thereto (including post-effective
amendments), and all matters required by the Commission in connection with such
registration under the Securities Act of 1933, as amended, granting unto said
attorneys-in-fact and agents full power and authority to do and perform each and
every act and thing requisite and necessary to be done as fully to all intents
and purposes as he or she might or could do in person, hereby ratifying and
confirming all that said attorneys-in-fact and agents may lawfully do or cause
to be done by virtue hereof.
/s/ H. Rodney Sharp, III 10/29/97
------------------------ --------
Director Date
21
<PAGE>
POWER OF ATTORNEY
-----------------
KNOW ALL MEN BY THESE PRESENTS, that the person whose signature
appears below constitutes and appoints (1) the Senior Vice President and General
Counsel or any Associate General Counsel of E.I. duPont de Nemours and Company
(hereinafter referred to as the "Company"), and (2) the Chief Financial Officer
of the Company, or any Vice President, DuPont Finance, jointly, in his or her
name, place and stead, in any and all capacities, to execute and file, or cause
to be filed, with the Securities and Exchange Commission, Registration
Statements on Form S-8 relating to DuPont common stock, $0.30 par value, offered
under various compensation and benefit plans of the Company and its subsidiaries
and affiliates, any and all amendments thereto (including post-effective
amendments), and all matters required by the Commission in connection with such
registration under the Securities Act of 1933, as amended, granting unto said
attorneys-in-fact and agents full power and authority to do and perform each and
every act and thing requisite and necessary to be done as fully to all intents
and purposes as he or she might or could do in person, hereby ratifying and
confirming all that said attorneys-in-fact and agents may lawfully do or cause
to be done by virtue hereof.
/s/ Charles M. Vest Dec. 17, 1997
-------------------- -------------
Director Date
22
<PAGE>
POWER OF ATTORNEY
-----------------
KNOW ALL MEN BY THESE PRESENTS, that the person whose signature
appears below constitutes and appoints (1) the Senior Vice President and General
Counsel or any Associate General Counsel of E.I. duPont de Nemours and Company
(hereinafter referred to as the "Company"), and (2) the Chief Financial Officer
of the Company, or any Vice President, DuPont Finance, jointly, in his or her
name, place and stead, in any and all capacities, to execute and file, or cause
to be filed, with the Securities and Exchange Commission, Registration
Statements on Form S-8 relating to DuPont common stock, $0.30 par value, offered
under various compensation and benefit plans of the Company and its subsidiaries
and affiliates, any and all amendments thereto (including post-effective
amendments), and all matters required by the Commission in connection with such
registration under the Securities Act of 1933, as amended, granting unto said
attorneys-in-fact and agents full power and authority to do and perform each and
every act and thing requisite and necessary to be done as fully to all intents
and purposes as he or she might or could do in person, hereby ratifying and
confirming all that said attorneys-in-fact and agents may lawfully do or cause
to be done by virtue hereof.
/s/ J. I. Weill (undated)
------------------- ---------
Director Date
23
