X0306 4 2019-09-04 0 0001032975 LOGITECH INTERNATIONAL SA LOGI 0001716048 Montgomery Neela C/O LOGITECH INTERNATIONAL S.A. LES CHATAGNIS APPLES V8 1143 SWITZERLAND 1 0 0 0 Registered Shares 2019-09-04 4 A 0 4982 0.00 A 11776 D Registered Shares 2019-09-05 4 F 0 1101 41.33 D 10675 D Each restricted stock unit (RSU) represents the right to receive, following vesting, one Logitech share. The RSU's vest in full on the first anniversary of the grant date or, if earlier and only if the director is not re-elected as a director at such annual general meeting, the date of the next annual general meeting following the grant date. 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 previously reported restricted stock units. /s/ Jon Shanberge as attorney in fact for Neela Montgomery 2019-09-06