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|EXHIBIT 32.1
CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY

ACT OF 2002
In connection with the Quarterly Report of NDS Group plc (the Company) on Form 10-Q for
the quarter ended March 31, 2005, as filed with the Securities and Exchange Commission on the
date hereof (the Report), I, Abraham Peled, Executive Director, President and Chief Executive
Officer of the Company, certify, pursuant to 18 U.S.C. §1350, as adopted pursuant to §906
of the Sarbanes-Oxley Act of 2002, that, to the best of my knowledge:
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|1) | The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange

Act of 1934; and                               
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|2) | The information contained in the Report fairly presents, in all material respects, the financial condition

and results of operations of the Company.

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| | By: | /s/ Abraham Peled                          
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| |     |                                            
| |     | Abraham Peled
      Chief Executive Officer
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| |     | Date: May 6, 2005                          

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