Exhibit 99.1 Full Year Fiscal 2025 Results Fourth Quarter Fiscal 2025 Results • Revenue was $849.3 million, down 2.0$136.4 million, or $2.28 per diluted share, compared with$130.7 million, or $2.05 per diluted share in 2024. • Favorable impact associated with the deferred tax valuation allowance reduction of$16.8 million. • Non-GAAP net income attributable to Photronics, Inc. shareholders was $120.6 million, or$2.01 per ...