Exhibit 99.1 Tower Semiconductor Reports 2023 Third Quarter Financial Results MIGDAL HAEMEK, ISRAEL – November 13, 2023 – Tower Semiconductor (NASDAQ: TSEM & TASE: TSEM) reports today its results for the third quarter ended September 30, 2023. Highlights • Entered into a capacity corridor agreement with Intel, enabling Tower additional high-volume 12-inch capacity. • Third quarter 2023 revenue of $358 million, as compared to$357 million for the second quarter of 2023. • Net Profit for the third quarter of ...