Exhibit 99.1 Power Integrations Reports Second-Quarter Financial Results Quarterly revenues were 106.2million;GAAPearningswere0.09 per diluted share; non-GAAP earnings were 0.28perdilutedshareSANJOSE,CALIF.–August6,2024–PowerIntegrations(NASDAQ:POWI)todayannouncedfinancialresultsforthequarterendedJune30,2024.Netrevenuesforthesecondquarterwere106.2 million, up 16 percent from the prior quarter and down 14 percent from the second quarter of 2023. GAAP net income for ...