NEWS RELEASE CONTACTS MEDIA: INVESTORS: Sophia Hong Rick Muscha Lattice Semiconductor Corporation Lattice Semiconductor Corporation 503-268-8786 408-826-6000 Sophia.Hong@latticesemi.com Rick.Muscha@latticesemi.com Exhibit 99.1 LATTICE SEMICONDUCTOR REPORTS RECORD COMMUNICATIONS & COMPUTING REVENUE IN THIRD QUARTER 2025 Guides to 4Q25 Revenue Growth of 22% Year Over Year HILLSBORO, Ore. - November 3, 2025 - Lattice Semiconductor Corporation (Nasdaq: LSCC), the low power programmable leader, announced financi ...