EX-24 2 kannappanlpoa.txt EDGAR SUPPORTING DOCUMENT PLANTRONICS World Leader in Communications Headsets Limited Power of Attorney Securities Law Compliance The undersigned, as an officer or director of Plantronics, Inc. (the "Corporation"), hereby constitutes and appoints Richard Pickard, Gary Kissiah, or Courtney Bottger each individually as the undersigned's true and lawful attorney-in-fact and agent to complete and execute such Forms 144, Forms 3,4, and 5 and other forms as such attorney and agent shall in his or her discretion determine to be required or advisablepursuant to Rule 144 promulgated under the Securities Act of 1933 (as amended), Section 16 of the Securities Exchange Act of 1934 (as amended) and the respective rules and regulations promulgated thereunder, or any successor laws and regulations, as a consequence of the undersigned's ownership, acquisition or disposition of securities of the Corporation, and to do all acts necessary in order to file such forms with the Securities and Exchange Commission, any securities exchange or national association, the Corporation and such other person or agency as the attorney shall deem appropriate. The undersigned hereby ratifies and confirms all that each of said attorneys-in-fact and agents shall do or cause to be done by virtue hereof. This Limited Power of Attorney is executed at Santa Cruz, CA as of the date set forth below. /s/ Ken Kannappan S. Ken Kannappan Date: 5/2/08 Witness: /s/ Virginia A. Roddy Virginia A. Roddy Date: 5/2/08