Exhibit 99.1 Teradyne Reports First Quarter 2024 Results • Revenue and earnings above the high-end of Q1 guidance • Revenue of $600 million in Q1’24, down 3$ 600 $618$ 671 GAAP EPS $0.40$ 0.50 $0.72 Non-GAAP EPS$ 0.51 $0.55$ 0.79 NORTH READING, Mass. – April 24, 2024 – Teradyne, Inc. (NASDAQ: TER) reported revenue of $600 million for the first quarter of 2024 of which$ ...