Match (MTCH) 10-Q 2003 Q2 Quarterly report

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Exhibit 32.1

Certification of the Chief Executive Officer pursuant to 18 U.S.C Section 1350

        I, Barry Diller, Chairman and Chief Executive Officer of InterActiveCorp (the "Company"), certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350, that, to my knowledge:

(1)

the Quarterly Report on Form 10-Q of the Company for the quarterly period ended June 30, 2003 (the "Report") which this statement accompanies fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and

(2)

the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: August 12, 2003

/s/  BARRY DILLER      Barry Diller
Chairman and Chief Executive Officer

        A signed original of this written statement required by Section 906 has been provided to InterActiveCorp and will be retained by InterActiveCorp and furnished to the Securities and Exchange Commission or its staff upon request.

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Exhibit 32.1

Certification of the Chief Executive Officer pursuant to 18 U.S.C Section 1350