Duke Energy

SIGNATURES

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Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date: March 14, 2003 DUKE ENERGY CORPORATION(Registrant)
  By:   RICHARD B. PRIORY
      Richard B. Priory
Chairman of the Board and Chief Executive Officer

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the date indicated.

  (i)   Principal executive officer:
   Richard B. Priory
      Chairman of the Board and Chief Executive Officer

  (ii)   Principal financial officer:
   Robert P. Brace
      Executive Vice President and Chief Financial Officer

  (iii)   Principal accounting officer:
   Keith G. Butler
      Senior Vice President and Controller

  (iv)   All of the Directors:
Richard B. Priory
G. Alex Bernhardt, Sr.
Robert J. Brown
William T. Esrey
Ann Maynard Gray
George Dean Johnson, Jr.
Max Lennon
Leo E. Linbeck, Jr.
James G. Martin
Michael E.J. Phelps
James T. Rhodes

Date: March 14, 2003

Robert P. Brace, by signing his name hereto, does hereby sign this document on behalf of the registrant and on behalf of each of the above-named persons pursuant to a power of attorney duly executed by the registrant and such persons, filed with the Securities and Exchange Commission as an exhibit hereto.

By:   /s/    ROBERT P. BRACE        
    Attorney-In-Fact

CERTIFICATIONS

I, Robert P. Brace, certify that:

  1.   I have reviewed this annual report on Form 10-K of Duke Energy Corporation;

  2.   Based on my knowledge, this annual report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this annual report;

  3.   Based on my knowledge, the financial statements, and other financial information included in this annual report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this annual report;

  4.   The registrant’s other certifying officers and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-14 and 15d-14) for the registrant and have:

  a)   designed such disclosure controls and procedures to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this annual report is being prepared;

  b)   evaluated the effectiveness of the registrant’s disclosure controls and procedures as of a date within 90 days prior to the filing date of this annual report (the “Evaluation Date”); and

  c)   presented in this annual report our conclusions about the effectiveness of the disclosure controls and procedures based on our evaluation as of the Evaluation Date;

  5.   The registrant’s other certifying officers and I have disclosed, based on our most recent evaluation, to the registrant’s auditors and the audit committee of registrant’s board of directors (or persons performing the equivalent functions):

  a)   all significant deficiencies in the design or operation of internal controls which could adversely affect the registrant’s ability to record, process, summarize and report financial data and have identified for the registrant’s auditors any material weaknesses in internal controls; and

  b)   any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal controls; and

  6.   The registrant’s other certifying officers and I have indicated in this annual report whether there were significant changes in internal controls or in other factors that could significantly affect internal controls subsequent to the date of our most recent evaluation, including any corrective actions with regard to significant deficiencies and material weaknesses.

Date: March 14, 2003

/s/  ROBERT P. BRACE      
Robert P. Brace
Executive Vice President and Chief Financial Officer

CERTIFICATIONS

I, Richard B. Priory, certify that:

  1.   I have reviewed this annual report on Form 10-K of Duke Energy Corporation;

  2.   Based on my knowledge, this annual report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this annual report;

  3.   Based on my knowledge, the financial statements, and other financial information included in this annual report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this annual report;

  4.   The registrant’s other certifying officers and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-14 and 15d-14) for the registrant and have:

  a)   designed such disclosure controls and procedures to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this annual report is being prepared;

  b)   evaluated the effectiveness of the registrant’s disclosure controls and procedures as of a date within 90 days prior to the filing date of this annual report (the “Evaluation Date”); and

  c)   presented in this annual report our conclusions about the effectiveness of the disclosure controls and procedures based on our evaluation as of the Evaluation Date;

  5.   The registrant’s other certifying officers and I have disclosed, based on our most recent evaluation, to the registrant’s auditors and the audit committee of registrant’s board of directors (or persons performing the equivalent functions):

  a)   all significant deficiencies in the design or operation of internal controls which could adversely affect the registrant’s ability to record, process, summarize and report financial data and have identified for the registrant’s auditors any material weaknesses in internal controls; and

  b)   any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal controls; and

  6.   The registrant’s other certifying officers and I have indicated in this annual report whether there were significant changes in internal controls or in other factors that could significantly affect internal controls subsequent to the date of our most recent evaluation, including any corrective actions with regard to significant deficiencies and material weaknesses.

Date: March 14, 2003

/s/  RICHARD B. PRIORY      
Richard B. Priory
Chairman of the Board and Chief Executive Officer

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