Tower Semiconductor Signs Customer Contracts for $1.3 Billion Silicon Photonics Revenue for 2027

MIGDAL HAEMEK, Israel, May 13, 2026 - Tower Semiconductor (NASDAQ/TASE: TSEM), the leading foundry for high-value analog semiconductor solutions, today announced it has signed Silicon Photonics (SiPho) contracts for $1.3 billion for 2027 revenue with its largest customers, and the receipt of $290 million in customers' prepayments for capacity reservation. This initial commitment is further reinforced by an even larger contractual wafer commitment for 2028 for which additional associated prepayments are due by January 2027. These financial commitments underscore Tower's market leadership and highlight the critical role of its world-leading Silicon Photonics technology platform in meeting the rapidly growing industry demand.