content: <PAGE>
  
  <TABLE>
                                         UNITED STATES 
                                 SECURITIES AND EXCHANGE COMMISSION
                                     Washington, D.C. 20549
                                                                                                               ---------------------
                                            FORM 144                                                              SEC USE ONLY
                                NOTICE OF PROPOSED SALE OF SECURITIES                                          ---------------------
                        PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933                                  DOCUMENT SEQUENCE NO.
  
                                                                                                               ---------------------
  ATTENTION: TRANSMIT FOR FILING 3 COPIES OF THIS FORM CONCURRENTLY WITH EITHER PLACING AN ORDER WITH A        CUSIP NUMBER
             BROKER TO EXECUTE A SALE OR EXECUTING A SALE DIRECTLY WITH A MARKET MAKER.
  ----------------------------------------------------------------------------------------------------------   ---------------------
  <S>                                                             <C>                    <C>                   <C>
  1 (a) NAME OF ISSUER (Please type or print)                     (b) IRS IDENT. NO.     (c) S.E.C. FILE NO.   WORK LOCATION
  
     DuPont Photomasks, Inc.                                          74-2238819             0-20839           ---------------------
  ----------------------------------------------------------------------------------------------------------   ---------------------
  1 (d) ADDRESS OF ISSUER                          STREET                    CITY         STATE     ZIP CODE   (e) TELEPHONE NO.
                                                                                                               AREA CODE   NUMBER
                             100 Texas Avenue                             Round Rock      Texas      78664        512      310-6531
  ----------------------------------------------------------------------------------------------------------------------------------
  2 (a) NAME OF PERSON FOR WHOSE    (b) SOCIAL SECURITY NO.  (e) RELATIONSHIP TO  (d) ADDRESS     STREET     CITY    STATE  ZIP CODE
        ACCOUNT THE SECURITIES          OR IRS IDENT. NO.        ISSUER    
        ARE TO BE SOLD
                                                                Spouse of Executive
        Dora Cognie                     N/A                     Vice President        100 Texas Avenue    Round Rock  Texas   78664
  ----------------------------------------------------------------------------------------------------------------------------------
  
  INSTRUCTION: THE PERSON FILING THIS NOTICE SHOULD CONTACT THE ISSUER TO OBTAIN THE I.R.S. IDENTIFICATION NUMBER AND THE S.E.C. 
  FILE NUMBER.
  
  ----------------------------------------------------------------------------------------------------------------------------------
  3 (a)            (b)                           SEC USE ONLY      (c)           (d)         (e)          (f)           (g)
                                                --------------
  Title of the      Name and Address of Each    Broker-Dealer       Number of    Aggregate    Number of   Approximate   Name of Each
    Class of        Broker Through Whom the     File Number         Shares or     Market      Shares or   Date of Sale   Securities
   Securities       Securities are to be                           Other Units    Value      Other Units  (See instr.     Exchange
   To Be Sold       Offered or Each Market                         To Be Sold   (See instr.  Outstanding     3(f))       (See instr.
                    Maker who is Acquiring                         (See instr.     3 (d))    (See instr.  (MO DAY YR)       3(g))
                    the Securities                                    3(c))                     3(e))
  ----------------------------------------------------------------------------------------------------------------------------------
  
    DuPont          Oppenheimer Inc.                                  5,000       $314,766    15,100,000     8/21/97           OTC
  Photomasks        Oppenheimer Tower                                                                        
    Common          World Financial Center                                                                   
                    New York, NY 10281
  ----------------------------------------------------------------------------------------------------------------------------------
  
  
  
  
  ----------------------------------------------------------------------------------------------------------------------------------
  
  INSTRUCTIONS:
  1. (a) Name of issuer                                               3. (a) Title of the class of securities to be sold
     (b) Issuer's I.R.S. Identification Number                           (b) Name and address of each broker through whom the 
     (c) Issuer's S.E.C. file number, if any                                 securities are intended to be sold
     (d) Issuer's address, including zip code                            (c) Number of shares or other units to be sold (if debt
     (e) Issuer's telephone number, including area code                      securities, give the aggregate face amount)
                                                                         (d) Aggregate market value of the securities to be sold as
  2. (a) Name of person for whose account the securities are                 of a specified date within 10 days prior to the filing
         to be sold                                                          of this notice
     (b) Such person's Social Security or I.R.S. identification          (e) Number of shares or other units of the class 
         number                                                              outstanding, or if debt securities the face amount 
     (c) Such person's relationship to the issuer (e.g. officer,             thereof outstanding, as shown by the most recent report
         director, 10% stockholder, or member of immediate family            or statement published by the issuer
         of any of the foregoing)                                        (f) Approximate date on which the securities are to be sold
     (d) Such person's address, including zip code                       (g) Name of each securities exchange, if any, on which the
                                                                             securities are intended to be sold
  </TABLE>
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  <TABLE>
  
                                                           TABLE I -- SECURITIES TO BE SOLD 
                            FURNISH THE FOLLOWING INFORMATION WITH RESPECT TO THE ACQUISITION OF THE SECURITIES TO BE SOLD 
                       AND WITH RESPECT TO THE PAYMENT OF ALL OR ANY PART OF THE PURCHASE PRICE OR OTHER CONSIDERATION THEREOF:
                                                                             
  ----------------------------------------------------------------------------------------------------------------------------------
                                                                    Name of Person            
                                                                   from Whom Acquired     
   Title of     Date you                                           (If gift, also give        Amount of        Date of    Nature of
  the Class     Acquired     Nature of Acquisition Transaction     date donor acquired)   Securities Acquired  Payment     Payment
  ----------------------------------------------------------------------------------------------------------------------------------
  <S>           <C>          <C>                                   <C>                    <C>                  <C>        <C>
  Common        6/14/96      Open Market Purchase                  DuPont Photomasks,          25,000          6/14/96       Cash
                                                                   Inc.
  
  
  
  ----------------------------------------------------------------------------------------------------------------------------------
  INSTRUCTIONS: 1. If the securities were purchased and full payment therefor         2. If within two years after the acquisition 
                   was not made in cash at the time of purchase, explain in the          of the securities the person for whose 
                   table or in a note thereto the nature of the consideration            account they are to be sold had any short 
                   given. If the consideration consisted of any note or other            positions, put or other option to dispose 
                   obligation, or if payment was made in installments describe           of securities referred to in paragraph 
                   the arrangement and state when the note or other obligation           (d)(3) of Rule 144, furnish full 
                   was discharged in full or the last installment paid.                  information with respect thereto.
  ----------------------------------------------------------------------------------------------------------------------------------
  ----------------------------------------------------------------------------------------------------------------------------------
                                                                             
                                                 TABLE II -- SECURITIES SOLD DURING THE PAST 3 MONTHS
                                 FURNISH THE FOLLOWING INFORMATION AS TO ALL SECURITIES OF THE ISSUER SOLD DURING THE
                                    PAST 3 MONTHS BY THE PERSON FOR WHOSE ACCOUNT THE SECURITIES ARE TO BE SOLD.
  ----------------------------------------------------------------------------------------------------------------------------------
  Name and Address of Seller        Title of Securities Sold        Date of Sale      Amount of Securities Sold       Gross Proceeds
  ----------------------------------------------------------------------------------------------------------------------------------
  
  
  
  
  
  
  ----------------------------------------------------------------------------------------------------------------------------------
  REMARKS:
  
  
  
  INSTRUCTIONS:                                                                ATTENTION:
  See the definition of "person" in paragraph (a) of Rule 144. Information     The person for whose account the securities to which 
  is to be given not only as to the person for whose account the securites     this notice relates are to be sold hereby represents
  are to be sold but also as to all other persons included in that             by signing this notice that he does not know any 
  definition. In addition, information shall be given as to sales by all       material adverse information in regard to the current
  persons whose sales are required by paragraph (e) of Rule 144 to be          and prospective operations of the  Issuer of the 
  aggregated with sales for the account of the person filing this notice.      securities to be sold which has not been publicly
                                                                               disclosed.
  
                                 8/21/97                                                         /s/  John M. Lynn
                         -----------------------                                   -------------------------------------------------
                             DATE OF NOTICE                                                          (SIGNATURE)
                                                                                            Attorney-in-fact for Dora Cognie
  
              THE NOTICE SHALL BE SIGNED BY THE PERSON FOR WHOSE ACCOUNT THE SECURITIES ARE TO BE SOLD. AT LEAST ONE COPY 
             OF THE NOTICE SHALL BE MANUALLY SIGNED. ANY COPIES NOT MANUALLY SIGNED SHALL BEAR TYPED OR PRINTED SIGNATURES.
  ----------------------------------------------------------------------------------------------------------------------------------
         ATTENTION: INTENTIONAL MISSTATEMENTS OR OMISSION OF FACTS CONSTITUTE FEDERAL CRIMINAL VIOLATIONS (SEE 18 U.S.C. 1001).
  ----------------------------------------------------------------------------------------------------------------------------------
  </TABLE>
  <PAGE>
  
  
  
                                    [Letterhead]
  
  
  
                                   August 28, 1997
  
  
  
  Securities and Exchange Commission
  450 Fifth Street, N.W.
  Judiciary Plaza
  Washington, DC 20549
  
  Dear Sirs:
  
     I hereby authorize John M. Lynn, Secretary and David S. Gino, Assistant 
  Secretary, or their respective successors in office, to sign and file on my 
  behalf SEC Forms 3, 4, and 5 or any other SEC forms relating to changes in 
  beneficial ownership of securities of DuPont Photomasks, Inc. ("DPI"). This 
  authorization shall remain in effect so long as it is specifically revoked by 
  me.
  
  
                                        Sincerely,
  
  
                                        /s/ Dora Cognie
  
                                        Dora Cognie
  
                                        Title: Spouse of Gerard Cognie-Exec. 
                                               Vice President-European Operations
  
                                        Date:           8/29/97
                                              ------------------------------------
                                                           NA
                                        ------------------------------------------
                                                 IRS Identification Number
metadata_documents: [{"type": "144", "sequence": "1", "description": "FORM 144", "secsgml_size_bytes": 13623}]
text: UNITED STATES 
                                 SECURITIES AND EXCHANGE COMMISSION
                                     Washington, D.C. 20549
                                                                                                               ---------------------
                                            FORM 144                                                              SEC USE ONLY
                                NOTICE OF PROPOSED SALE OF SECURITIES                                          ---------------------
                        PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933                                  DOCUMENT SEQUENCE NO.
  
                                                                                                               ---------------------
  ATTENTION: TRANSMIT FOR FILING 3 COPIES OF THIS FORM CONCURRENTLY WITH EITHER PLACING AN ORDER WITH A        CUSIP NUMBER
             BROKER TO EXECUTE A SALE OR EXECUTING A SALE DIRECTLY WITH A MARKET MAKER.
  ----------------------------------------------------------------------------------------------------------   ---------------------
  1 (a) NAME OF ISSUER (Please type or print)                     (b) IRS IDENT. NO.     (c) S.E.C. FILE NO.   WORK LOCATION
  
     DuPont Photomasks, Inc.                                          74-2238819             0-20839           ---------------------
  ----------------------------------------------------------------------------------------------------------   ---------------------
  1 (d) ADDRESS OF ISSUER                          STREET                    CITY         STATE     ZIP CODE   (e) TELEPHONE NO.
                                                                                                               AREA CODE   NUMBER
                             100 Texas Avenue                             Round Rock      Texas      78664        512      310-6531
  ----------------------------------------------------------------------------------------------------------------------------------
  2 (a) NAME OF PERSON FOR WHOSE    (b) SOCIAL SECURITY NO.  (e) RELATIONSHIP TO  (d) ADDRESS     STREET     CITY    STATE  ZIP CODE
        ACCOUNT THE SECURITIES          OR IRS IDENT. NO.        ISSUER    
        ARE TO BE SOLD
                                                                Spouse of Executive
        Dora Cognie                     N/A                     Vice President        100 Texas Avenue    Round Rock  Texas   78664
  ----------------------------------------------------------------------------------------------------------------------------------
  
  INSTRUCTION: THE PERSON FILING THIS NOTICE SHOULD CONTACT THE ISSUER TO OBTAIN THE I.R.S. IDENTIFICATION NUMBER AND THE S.E.C. 
  FILE NUMBER.
  
  ----------------------------------------------------------------------------------------------------------------------------------
  3 (a)            (b)                           SEC USE ONLY      (c)           (d)         (e)          (f)           (g)
                                                --------------
  Title of the      Name and Address of Each    Broker-Dealer       Number of    Aggregate    Number of   Approximate   Name of Each
    Class of        Broker Through Whom the     File Number         Shares or     Market      Shares or   Date of Sale   Securities
   Securities       Securities are to be                           Other Units    Value      Other Units  (See instr.     Exchange
   To Be Sold       Offered or Each Market                         To Be Sold   (See instr.  Outstanding     3(f))       (See instr.
                    Maker who is Acquiring                         (See instr.     3 (d))    (See instr.  (MO DAY YR)       3(g))
                    the Securities                                    3(c))                     3(e))
  ----------------------------------------------------------------------------------------------------------------------------------
  
    DuPont          Oppenheimer Inc.                                  5,000       $314,766    15,100,000     8/21/97           OTC
  Photomasks        Oppenheimer Tower                                                                        
    Common          World Financial Center                                                                   
                    New York, NY 10281
  ----------------------------------------------------------------------------------------------------------------------------------
  
  ----------------------------------------------------------------------------------------------------------------------------------
  
  INSTRUCTIONS:
  1. (a) Name of issuer                                               3. (a) Title of the class of securities to be sold
     (b) Issuer's I.R.S. Identification Number                           (b) Name and address of each broker through whom the 
     (c) Issuer's S.E.C. file number, if any                                 securities are intended to be sold
     (d) Issuer's address, including zip code                            (c) Number of shares or other units to be sold (if debt
     (e) Issuer's telephone number, including area code                      securities, give the aggregate face amount)
                                                                         (d) Aggregate market value of the securities to be sold as
  2. (a) Name of person for whose account the securities are                 of a specified date within 10 days prior to the filing
         to be sold                                                          of this notice
     (b) Such person's Social Security or I.R.S. identification          (e) Number of shares or other units of the class 
         number                                                              outstanding, or if debt securities the face amount 
     (c) Such person's relationship to the issuer (e.g. officer,             thereof outstanding, as shown by the most recent report
         director, 10% stockholder, or member of immediate family            or statement published by the issuer
         of any of the foregoing)                                        (f) Approximate date on which the securities are to be sold
     (d) Such person's address, including zip code                       (g) Name of each securities exchange, if any, on which the
                                                                             securities are intended to be sold
  TABLE I -- SECURITIES TO BE SOLD 
                            FURNISH THE FOLLOWING INFORMATION WITH RESPECT TO THE ACQUISITION OF THE SECURITIES TO BE SOLD 
                       AND WITH RESPECT TO THE PAYMENT OF ALL OR ANY PART OF THE PURCHASE PRICE OR OTHER CONSIDERATION THEREOF:
                                                                             
  ----------------------------------------------------------------------------------------------------------------------------------
                                                                    Name of Person            
                                                                   from Whom Acquired     
   Title of     Date you                                           (If gift, also give        Amount of        Date of    Nature of
  the Class     Acquired     Nature of Acquisition Transaction     date donor acquired)   Securities Acquired  Payment     Payment
  ----------------------------------------------------------------------------------------------------------------------------------
  Common        6/14/96      Open Market Purchase                  DuPont Photomasks,          25,000          6/14/96       Cash
                                                                   Inc.
  
  ----------------------------------------------------------------------------------------------------------------------------------
  INSTRUCTIONS: 1. If the securities were purchased and full payment therefor         2. If within two years after the acquisition 
                   was not made in cash at the time of purchase, explain in the          of the securities the person for whose 
                   table or in a note thereto the nature of the consideration            account they are to be sold had any short 
                   given. If the consideration consisted of any note or other            positions, put or other option to dispose 
                   obligation, or if payment was made in installments describe           of securities referred to in paragraph 
                   the arrangement and state when the note or other obligation           (d)(3) of Rule 144, furnish full 
                   was discharged in full or the last installment paid.                  information with respect thereto.
  ----------------------------------------------------------------------------------------------------------------------------------
  ----------------------------------------------------------------------------------------------------------------------------------
                                                                             
                                                 TABLE II -- SECURITIES SOLD DURING THE PAST 3 MONTHS
                                 FURNISH THE FOLLOWING INFORMATION AS TO ALL SECURITIES OF THE ISSUER SOLD DURING THE
                                    PAST 3 MONTHS BY THE PERSON FOR WHOSE ACCOUNT THE SECURITIES ARE TO BE SOLD.
  ----------------------------------------------------------------------------------------------------------------------------------
  Name and Address of Seller        Title of Securities Sold        Date of Sale      Amount of Securities Sold       Gross Proceeds
  ----------------------------------------------------------------------------------------------------------------------------------
  
  ----------------------------------------------------------------------------------------------------------------------------------
  REMARKS:
  
  INSTRUCTIONS:                                                                ATTENTION:
  See the definition of "person" in paragraph (a) of Rule 144. Information     The person for whose account the securities to which 
  is to be given not only as to the person for whose account the securites     this notice relates are to be sold hereby represents
  are to be sold but also as to all other persons included in that             by signing this notice that he does not know any 
  definition. In addition, information shall be given as to sales by all       material adverse information in regard to the current
  persons whose sales are required by paragraph (e) of Rule 144 to be          and prospective operations of the  Issuer of the 
  aggregated with sales for the account of the person filing this notice.      securities to be sold which has not been publicly
                                                                               disclosed.
  
                                 8/21/97                                                         /s/  John M. Lynn
                         -----------------------                                   -------------------------------------------------
                             DATE OF NOTICE                                                          (SIGNATURE)
                                                                                            Attorney-in-fact for Dora Cognie
  
              THE NOTICE SHALL BE SIGNED BY THE PERSON FOR WHOSE ACCOUNT THE SECURITIES ARE TO BE SOLD. AT LEAST ONE COPY 
             OF THE NOTICE SHALL BE MANUALLY SIGNED. ANY COPIES NOT MANUALLY SIGNED SHALL BEAR TYPED OR PRINTED SIGNATURES.
  ----------------------------------------------------------------------------------------------------------------------------------
         ATTENTION: INTENTIONAL MISSTATEMENTS OR OMISSION OF FACTS CONSTITUTE FEDERAL CRIMINAL VIOLATIONS (SEE 18 U.S.C. 1001).
  ----------------------------------------------------------------------------------------------------------------------------------
  [Letterhead]
  
                                   August 28, 1997
  
  Securities and Exchange Commission
  450 Fifth Street, N.W.
  Judiciary Plaza
  Washington, DC 20549
  
  Dear Sirs:
  
     I hereby authorize John M. Lynn, Secretary and David S. Gino, Assistant 
  Secretary, or their respective successors in office, to sign and file on my 
  behalf SEC Forms 3, 4, and 5 or any other SEC forms relating to changes in 
  beneficial ownership of securities of DuPont Photomasks, Inc. ("DPI"). This 
  authorization shall remain in effect so long as it is specifically revoked by 
  me.
  
                                        Sincerely,
  
                                        /s/ Dora Cognie
  
                                        Dora Cognie
  
                                        Title: Spouse of Gerard Cognie-Exec. 
                                               Vice President-European Operations
  
                                        Date:           8/29/97
                                              ------------------------------------
                                                           NA
                                        ------------------------------------------
                                                 IRS Identification Number