Chief Financial Officer, Power Integrations, Inc. Independent Director Since 2019 Age 59 Committees Audit (Chair) Director Qualifications Ms. Erba is an audit committee financial expert based on her knowledge and understanding of generally accepted accounting principles and financial statements, her experience analyzing and evaluating financial statements that present a breadth and level of complexity of accounting issues relevant to those of the Company, and her understanding of internal control over financial reporting. Ms. Erba has an impressive track record of success in building and leading best in class finance, business operations, and corporate development organizations throughout her career, and provides the Board with valuable oversight, direction, and strategic input. Select Business Experience Ms. Erba is currently Chief Financial Officer of Power Integrations, Inc., a supplier of high-performance electronic components (since January 2026). She previously served as Chief Financial officer of Infinera Corporation, a provider of optical transport networking equipment, software and services (from 2019 to 2025), a wholly-owned subsidiary of Nokia Corporation (since February 2025).