Plantronics (POLY) 10-Q 2003 Q3 Quarterly report

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 Plantronics, Inc. (the "Company") on Form 10-Q for the period ended December 31, 2002 as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, S. Kenneth Kannappan, 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:

          (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.

/s/ S. Kenneth Kannappan

S. Kenneth Kannappan
Chief Executive Officer
February 11, 2003