ChipMOS TECHNOLOGIES INC. ("ChipMOS" or the "Company") (NASDAQ:IMOS), an industry leading provider of outsourced semiconductor assembly and test services ("OSAT"), today reported its unaudited consolidated revenue for the month of May 2026. All U.S. dollar figures cited in this press release are based on the exchange rate of NT$31.37 to US$1.00 as of May 29, 2026.

Revenue for the month of May 2026 was NT$2,384.3 million or US$76.0 million, representing a decrease of 3.1% from April 2026, and an increase of 17.7% from May 2025. The Company noted it continues to benefit from ongoing revenue strength led by a persistent AI-related demand/supply imbalance. While the Company has been investing in footprint expansion, new capacity is being used to meet existing customer forecasts and long-term supply agreements.