X0306 4 2016-05-15 0 0001032975 LOGITECH INTERNATIONAL SA LOGI 0001509285 Pilette Vincent C/O LOGITECH, INC. 7700 GATEWAY BLVD. NEWARK CA 94560 0 1 0 0 Chief Financial Officer Registered Shares 2016-05-15 4 A 0 18369 0.00 A 628077 D Registered Shares 2016-05-15 4 F 0 9585 14.69 D 618492 D These shares were acquired pursuant to the vesting of performance share units (PSUs) granted on March 25, 2015. The number of PSUs that vested on May 15, 2016 was based on (i) the achievement of a performance-based vesting condition based on Logitech's Non-GAAP Operating Margin over the four-consecutive-fiscal-quarter period ended March 31, 2016, as determined by the Compensation Committee of Logitech, and (ii) the satisfaction of the first of the time-based vesting conditions that occur in three equal annual installments. In an exempt disposition to the issuer under rule 16b-3(e), the recipient remitted shares to the issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of shares with respect to performance share units that vested on May 15, 2016. /s/ Jon Shanberge as attorney in fact for Vincent Pilette 2016-06-20