Lattice Semiconductor Appoints John McCool and Raejeanne Skillern to Board of Directors

Event Overview

On October 21, 2026, the Board of Directors of Lattice Semiconductor Corporation expanded its size from eight to ten members and appointed John McCool and Raejeanne Skillern as independent directors, effective immediately.

Appointee Backgrounds

• John McCool (Age 67): Currently Senior Vice President and Special Advisor to the CEO at Arista Networks, Inc. McCool previously served as Arista's Senior Vice President and Chief Platform Officer, overseeing hardware engineering, operations, and supply chain. His executive history includes senior leadership roles at Dell EMC (DSSD), Firetide, Cisco Systems (data center switching), AMD, NeXT Computer, and SynOptics.
• Raejeanne Skillern (Age 56): Former Vice President and Chief Marketing Officer of Amazon Web Services (AWS). Skillern previously led the Communications, Enterprise & Cloud division at Flex Ltd. and spent 25 years at Intel Corporation in various leadership roles, including VP and GM of the Cloud Service Provider Group. Skillern returns to Lattice's Board, having previously served from September 2022 to May 2024. She also currently serves on the boards of Jabil Inc. and Dycom Industries, Inc.

Compensation & Governance

Both new directors will participate in Lattice Semiconductor’s standard non-employee director compensation framework:

• Cash Retainer: Annual cash retainer of $80,000 for Board service.
• Equity Grant: Prorated restricted stock unit (RSU) grant based on an annual fair market value of $220,000, granted under the 2011 Non-Employee Director Equity Incentive Plan, vesting on May 4, 2027, subject to continued service.
• Committee Assignments: Board committees for Mr. McCool and Ms. Skillern have not yet been assigned.
• Independence & Conflicts: Both directors were determined to be independent under Nasdaq listing rules. No related party transactions were disclosed under Item 404(a) of Regulation S-K.

Market and Trading Impact

This filing reflects governance and strategic board enhancement, adding technical depth in cloud infrastructure, hardware engineering, and data center switching. It is considered a routine corporate governance event with low immediate impact on stock trading dynamics.