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SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549



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FORM 20-F/A



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(Mark One)



| ̈ |  | Registration statement pursuant to Section 12(b) or 12(g) of the Securities Exchange Act of 1934
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or



|x |  | Annual report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the fiscal year ended December 31, 2002
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or



| ̈ |  | Transition report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
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For the transition period from
to



Commission file number 333-10486



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TREND MICRO KABUSHIKI KAISHA

(Exact Name of Registrant as Specified in Its Charter)



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TREND MICRO INCORPORATED

(Translation of Registrants Name Into English)



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JAPAN

(Jurisdiction of Incorporation or Organization)



Shinjuku MAYNDS Tower, 1-1, Yoyogi 2-chome, Shibuya-ku, Tokyo

151-0053, Japan

(Address of Principal Executive Offices)



Securities registered or to be registered pursuant to Section 12(b) of the
Act:



|Title of Each Class |  | Name of Each Exchange on Which Registered
|------------------- |  | -----------------------------------------
|None                |  | None                                     



Securities
registered or to be registered pursuant to Section 12(g) of the Act:



(1) Common Stock (Shares)*

(Title of Class)



Securities for which there is a reporting obligation pursuant to Section
15(d) of the Act:



None

(Title of Class)



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Indicate the number of outstanding shares of each of the
issuers classes of capital or common stock as of the close of the period covered by the annual report.



As of December 31, 2002, 131,682,975 shares of common stock were outstanding, comprised of 130,585,475 Shares and 1,097,500 American Depositary Shares
(equivalent to 1,097,500 Shares based on the ratio of 1 shares of Common Stock for each American Depositary Share in effect as of the date of filing of this annual report).



Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the
Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.



Yes  x    No ̈



Indicate by check mark which financial statement item the registrant has elected to follow.



Item 17 ̈Item 18  x



|* |  | Not for trading, but only in connection with the registration of American Depositary Shares, each of which represents one share of Common Stock.
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Trend Micro Incorporated (Trend Micro) submits this Form 20-F/A to amend its annual report on Form 20-F for
the year ended December 31, 2002, which was previously filed. The purpose of this amendment is to add Exhibit 14.1 to this annual report.



As used in this annual report, references to Trend Micro are to Trend Micro Incorporated. Also, as used in this annual report, references to we,
our and us are to Trend Micro Incorporated and, except as the context otherwise requires, its subsidiaries.



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PART II



Item 15. Controls and Procedures.



Within 90 days of the filing of this report, an evaluation was carried out under the supervision and with the participation of our management, including
our Chief Executive Officer and Chief Financial Officer, of the effectiveness of the disclosure controls and procedures, as of the date of the evaluation (as defined in Rules 13a-15(e) of the U.S. Securities Exchange Act of 1934). Based on that
evaluation, the Chief Executive Officer and Chief Financial Officer concluded that the disclosure controls and procedures were effective. There was no change in our internal control over financial reporting that occurred subsequent to the date of
the evaluation date referred to above that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.



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PART III



Item 19. Exhibits.



(b) Exhibits



|ExhibitNumber |  | Document                                                                                                                                                                                                       
|------------- |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|              | 
|1.1*          |  | Articles of Incorporation of Trend Micro (English translation)                                                                                                                                                 
|              | 
|1.2(-)        |  | Share Handling Regulations of Trend Micro, as amended (English translation)                                                                                                                                    
|              | 
|1.3(-)        |  | Regulations of the Board of Directors of Trend Micro, as amended (English translation)                                                                                                                         
|              | 
|1.4(-)        |  | Regulations of the Board of Corporate Auditors of Trend Micro, as amended (English translation)                                                                                                                
|              | 
|2.1**         |  | Specimen Common Stock Certificates                                                                                                                                                                             
|              | 
|2.2***        |  | Form of Deposit Agreement among Trend Micro, The Bank of New York as depositary and all owners and holders from time to time of American Depositary Receipts, including the form of
American Depositary Receipt
|              | 
|4.1****+      |  | Basic Agreement on Continual Sale and Purchase of Goods dated October 1, 1999, between Trend Micro Incorporated and SOFTBANK BB (formerly known as SOFTBANK COMMERCE CORP.), and
related agreements            
|              | 
|4.2(-)        |  | Limited Liability Agreement dated April 28, 2003, between Trend Micro Incorporated and Edward Tian                                                                                                             
|              | 
|8.1(-)        |  | Subsidiaries of Trend Micro                                                                                                                                                                                    
|              | 
|12.1          |  | Certification of the Chief Executive Officer of Trend Micro required by Rule 13a-14(a)                                                                                                                         
|              | 
|12.2          |  | Certification of the Chief Financial Officer of Trend Micro required by Rule 13a-14(a)                                                                                                                         
|              | 
|14.1          |  | Consent of PricewaterhouseCoopers with respect to the financial statements included in this annual report                                                                                                      

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|* |  | Incorporated by reference to the corresponding exhibit to our Form S-8 Registration Statement (File No. 333-104282) filed on April 3, 2003.
|- |  | -------------------------------------------------------------------------------------------------------------------------------------------

|** |  | Incorporated by reference to the corresponding exhibit to our annual report on Form 20-F (File No. 333-10486) filed on June 29, 2001.
|-- |  | -------------------------------------------------------------------------------------------------------------------------------------

|*** |  | Incorporated by reference to the corresponding exhibit to our Amendment No. 1 to Registration Statement on Form F-6 (File No. 333-10492) filed on June 22, 2001.
|--- |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------

|**** |  | Incorporated by reference to the corresponding exhibit to our Amendment No. 2 to the Form F-1 Registration Statement (File No. 333-10568) filed on May 22, 2000.
|---- |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------



|+ |  | Confidential treatment granted for a portion of these documents.
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|(-) |  | Previously filed.
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We have not included as exhibits certain instruments with respect to our long-term debt, the amount of debt authorized under each of which does not exceed
10% of our total assets, and we agree to furnish a copy of any such instrument to the Securities and Exchange Commission upon request.



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SIGNATURE



Pursuant to the requirements of Section 12 of the Securities Exchange Act of 1934, the registrant certifies that it meets all of the requirements for filing on Form
20-F and has duly caused this Form 20-F/A to be signed on its behalf by the undersigned, thereunto duly authorized.



TREND MICRO INCORPORATEDBy:

/s/    Mahendra
NegiName:

Mahendra NegiTitle:

Representative Director,Chief Financial Officer andExecutive Vice President




Date:  September 12, 2003



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INDEX OF EXHIBITS



|ExhibitNumber |  | DESCRIPTION                                                                                                                                                                                                    
|------------- |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|              | 
|1.1*          |  | Articles of Incorporation of Trend Micro (English translation)                                                                                                                                                 
|              | 
|1.2(-)        |  | Share Handling Regulations of Trend Micro, as amended (English translation)                                                                                                                                    
|              | 
|1.3(-)        |  | Regulations of the Board of Directors of Trend Micro, as amended (English translation)                                                                                                                         
|              | 
|1.4(-)        |  | Regulations of the Board of Corporate Auditors of Trend Micro, as amended (English translation)                                                                                                                
|              | 
|2.1**         |  | Specimen Common Stock Certificates                                                                                                                                                                             
|              | 
|2.2***        |  | Form of Deposit Agreement among Trend Micro, The Bank of New York as depositary and all owners and holders from time to time of American Depositary Receipts, including the form of
American Depositary Receipt
|              | 
|4.1****+      |  | Basic Agreement on Continual Sale and Purchase of Goods dated October 1, 1999, between Trend Micro Incorporated and SOFTBANK BB (formerly known as SOFTBANK COMMERCE CORP.), and
related agreements            
|              | 
|4.2(-)        |  | Limited Liability Agreement dated April 28, 2003, between Trend Micro Incorporated and Edward Tian                                                                                                             
|              | 
|8.1(-)        |  | Subsidiaries of Trend Micro                                                                                                                                                                                    
|              | 
|12.1          |  | Certification of the Chief Executive Officer of Trend Micro required by Rule 13a-14(a)                                                                                                                         
|              | 
|12.2          |  | Certification of the Chief Financial Officer of Trend Micro required by Rule 13a-14(a)                                                                                                                         
|              | 
|14.1          |  | Consent of PricewaterhouseCoopers with respect to the financial statements included in this annual report                                                                                                      

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|* |  | Incorporated by reference to the corresponding exhibit to our Form S-8 Registration Statement (File No. 333-104282) filed on April 3, 2003.
|- |  | -------------------------------------------------------------------------------------------------------------------------------------------



|** |  | Incorporated by reference to the corresponding exhibit to our annual report on Form 20-F (File No. 333-10486) filed on June 29, 2001.
|-- |  | -------------------------------------------------------------------------------------------------------------------------------------



|*** |  | Incorporated by reference to the corresponding exhibit to our Amendment No. 1 to Registration Statement on Form F-6 (File No. 333-10492) filed on June 22, 2001.
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|**** |  | Incorporated by reference to the corresponding exhibit to our Amendment No. 2 to the Form F-1 Registration Statement (File No. 333-10568) filed on May 22, 2000.
|---- |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------



|+ |  | Confidential treatment granted for a portion of these documents.
|- |  | ----------------------------------------------------------------



|(-) |  | Previously filed.
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