144 0001182401 XXXXXXXX LIVE 0000833640 Power Integrations Inc 000-23441 5245 Hellyer Ave San Jose CA 95138 4084149200 Nicholas & Janice Brathwaite Living Trust DTD 02/28/2007 Board Member Common UBS Financial Services Inc

1000 Harbor Blvd 3rd Floor Weehawken NJ 07086

13550 967470 55719984 05/13/2026 NASDAQ Common 05/17/2024 RSU Power Integrations Inc N 1265 05/17/2024 n/a Common 05/19/2023 RSU Power Integrations Inc N 1711 05/19/2023 n/a Common 05/14/2015 RSU Power Integrations Inc N 3390 05/14/2015 n/a Common 01/30/2014 RSU Power Integrations Inc N 2952 01/30/2014 n/a Common 01/09/2015 RSU Power Integrations Inc N 4232 01/09/2015 n/a Y Nicholas Brathwaite is a board member and is the trustee of the Nicholas & Janice Brathwaite Living Trust DTD 02/28/2007 05/13/2026 /s/Mijo Suric, for UBS Financial Services Inc, as attorney-in-fact for Nicholas & Janice Brathwaite Living Trust DTD 02/28/2007