X0303 4 2011-05-10 0 0000914025 PLANTRONICS INC /CA/ PLT 0001184940 KANNAPPAN S KENNETH 345 ENCINAL STREET SANTA CRUZ CA 95060 1 1 0 0 CEO - CORPORATE - GLOBAL.CEO. COMMON STOCK 2011-05-10 4 F 0 584 38.87 D 115460 D COMMON STOCK 2011-05-10 4 F 0 510 38.87 D 114950 D COMMON STOCK 2011-05-10 4 F 0 438 38.87 D 114512 D COMMON STOCK 2011-05-10 4 F 0 511 38.87 D 114001 D COMMON STOCK 2011-05-10 4 M 0 100 17.49 A 114101 D COMMON STOCK 2011-05-10 4 S 0 100 39.06 D 114001 D COMMON STOCK 2011-05-10 4 M 0 900 17.49 A 114901 D COMMON STOCK 2011-05-10 4 S 0 900 39.1178 D 114001 D COMMON STOCK 2011-05-10 4 M 0 400 17.49 A 114401 D COMMON STOCK 2011-05-10 4 S 0 400 39.1328 D 114001 D COMMON STOCK 2011-05-10 4 M 0 600 17.49 A 114601 D COMMON STOCK 2011-05-10 4 S 0 600 39.14 D 114001 D COMMON STOCK 2011-05-10 4 M 0 1000 17.49 A 115001 D COMMON STOCK 2011-05-10 4 S 0 1000 39.03 D 114001 D COMMON STOCK 2011-05-10 4 M 0 1000 17.49 A 115001 D COMMON STOCK 2011-05-10 4 S 0 1000 39.033 D 114001 D COMMON STOCK 2011-05-10 4 M 0 800 17.49 A 114801 D COMMON STOCK 2011-05-10 4 S 0 800 39.031 D 114001 D COMMON STOCK 2011-05-10 4 M 0 5 17.49 A 114006 D COMMON STOCK 2011-05-10 4 S 0 5 39.035 D 114001 D COMMON STOCK 2011-05-10 4 M 0 195 17.49 A 114196 D COMMON STOCK 2011-05-10 4 S 0 195 39.02 D 114001 D COMMON STOCK 2011-05-10 4 M 0 800 17.49 A 114801 D COMMON STOCK 2011-05-10 4 S 0 800 39.01 D 114001 D COMMON STOCK 2011-05-10 4 M 0 200 17.49 A 114201 D COMMON STOCK 2011-05-10 4 S 0 200 39 D 114001 D COMMON STOCK 2011-05-10 4 M 0 1000 17.49 A 115001 D COMMON STOCK 2011-05-10 4 S 0 1000 38.98 D 114001 D COMMON STOCK 2011-05-10 4 M 0 1000 17.49 A 115001 D COMMON STOCK 2011-05-10 4 S 0 1000 38.95 D 114001 D Represents shares withheld by Plantronics, Inc. to satisfy tax withholding obligations that arose upon the vesting of restricted stock award shares. S KENNETH KANNAPPAN 2011-05-11