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EXHIBIT 10.28

CERTIFICATION OF
CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER
DUPONT PHOTOMASKS, INC.

        I, Peter S. Kirlin, Chief Executive Officer of DuPont Photomasks, Inc.
(the "Company"), pursuant to 18 U.S.C. §1350 as adopted pursuant to §906 of the
Sarbanes-Oxley Act of 2002, that in connection with the accompanying Annual
Report on Form 10-K (the "Report") for the fiscal year period ended June 30,
2002 and filed with the United States Securities and Exchange Commission, do
hereby certify that to my knowledge:

1.The Report fully complies with the requirements of Section 13(a) or 15(d) of
the Securities Exchange Act of 1934; and

2.The information contained in the Report fairly presents, in all material
respects, the financial condition and results of operations of the Company in
respect of those items required to be described or presented in such Report
under Section 13(a) or Section 15(d) of the Securities Exchange Act of 1934.

/s/  PETER S. KIRLIN      

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Peter S. Kirlin
Chief Executive Officer    
September 9, 2002

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Date
 
 

        I, Satish Rishi, Chief Financial Officer of DuPont Photomasks, Inc. (the
"Company"), pursuant to 18 U.S.C. §1350 as adopted pursuant to §906 of the
Sarbanes-Oxley Act of 2002, that in connection with the accompanying Annual
Report on Form 10-K (the "Report") for the fiscal year period ended June 30,
2002 and filed with the United States Securities and Exchange Commission, do
hereby certify that to my knowledge:

1.The Report fully complies with the requirements of Section 13(a) or 15(d) of
the Securities Exchange Act of 1934; and

2.The information contained in the Report fairly presents, in all material
respects, the financial condition and results of operations of the Company in
respect of those items required to be described or presented in such Report
under Section 13(a) or Section 15(d) of the Securities Exchange Act of 1934.

/s/  SATISH RISHI      

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Satish Rishi
Chief Financial Officer    
September 9, 2002

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Date
 
 

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EXHIBIT 10.28

CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER DUPONT
PHOTOMASKS, INC.